332354 + Interview Questions in Secondary School in Math

1.	5 1 by 9 + 2 1 by 12 + 3 by 4
Answer» ANSWER: HEY it will HELP you and if it is useful then please follow me and mark as BARINLIEST

1.

5 1 by 9 + 2 1 by 12 + 3 by 4

Answer»

ANSWER:

HEY it will HELP you and if it is useful then please follow me and mark as BARINLIEST

Discussion

2.	Calculate the median value of the given data
Answer» Answer: By USING MEDIAN FORMULA = { (n+1 ) /2 } we, calculated the median value Hope it HELPS you......

2.

Calculate the median value of the given data

Answer»

Answer:

By USING MEDIAN FORMULA

= { (n+1 ) /2 }

we, calculated the median value

Hope it HELPS you......

Discussion

3.	143. What will be the average of 1,2,3,4..... 51,52, 53 ?(A) 24(B) 25(C) 26(D) 27
Answer» ANSWER: D)27 i HOPE this answer MAY HELP you

3.

143. What will be the average of 1,2,3,4..... 51,52, 53 ?(A) 24(B) 25(C) 26(D) 27

Answer»

ANSWER:

D)27

i HOPE this answer MAY HELP you

Discussion

4.	चित्र में, x का मान ज्ञात कीजिए -BD AC 35° 70°
Answer» ANSWER: No FIGURE given Step-by-step EXPLANATION: GIVE like and MARK as brainliest

4.

चित्र में, x का मान ज्ञात कीजिए -BD AC 35° 70°

Answer»

ANSWER:

No FIGURE given

Step-by-step EXPLANATION:

GIVE like and MARK as brainliest

Discussion

5.	Explain about engineering mathematics.
Answer» Answer: ENGINEERING mathematics is a BRANCH of APPLIED mathematics concerning mathematical methods and TECHNIQUES that are typically used in engineering and industry.

5.

Explain about engineering mathematics.

Answer»

Answer:

ENGINEERING mathematics is a BRANCH of APPLIED mathematics concerning mathematical methods and TECHNIQUES that are typically used in engineering and industry.

Discussion

6.	Construct an angle of 45° at the initial point of a given ray and justity theconstruction.
Answer» ANSWER: WATCH at GOOGLE at vedantu Step-by-step EXPLANATION:

6.

Construct an angle of 45° at the initial point of a given ray and justity theconstruction.

Answer»

ANSWER:

WATCH at GOOGLE at vedantu

Step-by-step EXPLANATION:

Discussion

7.	All questions are compulsory. In case of internal choices, attempt anySection-101Write the denominator of the rational number252in the form 2 x 55000where m, n are non-negative integers. Hence, write decimal expansion ofwithout actual divisionAmerchant has 120 litres of oil of one kind, 180 litres of another and240 tres of third Rind. He wants to sells the only the three kinds ofbyoutins of equal capacity What should be the greatestcity of such
Answer» ANSWER: THANKS for FREE POINTS

7.

All questions are compulsory. In case of internal choices, attempt anySection-101Write the denominator of the rational number252in the form 2 x 55000where m, n are non-negative integers. Hence, write decimal expansion ofwithout actual divisionAmerchant has 120 litres of oil of one kind, 180 litres of another and240 tres of third Rind. He wants to sells the only the three kinds ofbyoutins of equal capacity What should be the greatestcity of such

Answer»

ANSWER:

THANKS for FREE POINTS

Discussion

8.	A triangle is a=X,b=X and c=130
Answer» Answer: X = 25 Step-by-step explanation: x+x = 180 - 130 2x = 50 x = 25

8.

A triangle is a=X,b=X and c=130

Answer»

Answer:

X = 25

Step-by-step explanation:

x+x = 180 - 130

2x = 50

x = 25

Discussion

9.	(i) (2x + 5)2 – (2x - 5)2
Answer» Answer: 40x Step-by-step EXPLANATION: there is a FORMULA,(a+b)^2-(a-b)^2=4ab. APPLY it.

9.

(i) (2x + 5)2 – (2x - 5)2

Answer»

Answer:

40x

Step-by-step EXPLANATION:

there is a FORMULA,(a+b)^2-(a-b)^2=4ab. APPLY it.

Discussion

10.	..what is blood????
Answer» Answer: $\huge\fcolorbox{black}{pink}{Given:}$ What is blood? $\huge\bf{\pink{AnswEr:}}$ Blood is the fluid which flows in the blood vessels.It transports substances like digested FOOD from the small intestine to the other parts of the body. blood is composed of a fluid called plasma in which different types of cells are suspended. blood contains RBC (red blood cells) and WBC (WHITE blood cells). The blood is red DUE to PIGMENT called hemoglobin which is red in colour. $Please\:mark\:as\:brainliest$ #ItzKeerti Hope this helps you..

10.

..what is blood????

Answer»

Answer:

$\huge\fcolorbox{black}{pink}{Given:}$

What is blood?

$\huge\bf{\pink{AnswEr:}}$

Blood is the fluid which flows in the blood vessels.It transports substances like digested FOOD from the small intestine to the other parts of the body.

blood is composed of a fluid called plasma in which different types of cells are suspended.
blood contains RBC (red blood cells) and WBC (WHITE blood cells).
The blood is red DUE to PIGMENT called hemoglobin which is red in colour.

$Please\:mark\:as\:brainliest$

#ItzKeerti

Hope this helps you..

Discussion

11.	He said to him,"you were good boy". in indirect speech
Answer» Answer: "you are a GOOD boy '' he TOLD him Step-by-step EXPLANATION: PLEASE mark me as brainlist

11.

He said to him,"you were good boy". in indirect speech

Answer»

Answer:

"you are a GOOD boy '' he TOLD him

Step-by-step EXPLANATION:

PLEASE mark me as brainlist

Discussion

12.	Plz answer, it's urgent and important...
Answer» ANSWER: PLEASE FOLLOW me I HOPE HELP you

12.

Plz answer, it's urgent and important...

Answer»

ANSWER:

PLEASE FOLLOW me I HOPE HELP you

Discussion

13.	Explain how temperature affects following:-a) the density of sea water b) the salinity of sea water
Answer» Answer: Answer a: As temperature goes down sea water gets more dense. So, the colder the water, the more dense it is. The DENSITY of water can ALSO be increased by salinity. Less dense water floats on TOP of more dense water. Step-by-step explanation: hope it HELPS PLZZ follow me

13.

Explain how temperature affects following:-a) the density of sea water b) the salinity of sea water

Answer»

Answer:

Answer a: As temperature goes down sea water gets more dense. So, the colder the water, the more dense it is. The DENSITY of water can ALSO be increased by salinity. Less dense water floats on TOP of more dense water.

Step-by-step explanation:

hope it HELPS PLZZ follow me

Discussion

14.	From Parameshwari1.A={1,2,3,4,5}and B={ 4,5}then A-B is equal to--------Quiz OO A.{1,2,3)OB. {2,3)C. {4,5)
Answer» ANSWER: B will be the CORRECT aption

14.

From Parameshwari1.A={1,2,3,4,5}and B={ 4,5}then A-B is equal to--------Quiz OO A.{1,2,3)OB. {2,3)C. {4,5)

Answer»

ANSWER:

B will be the CORRECT aption

Discussion

15.	5+3+2=1510229+2+4=1836528+6+3=4824665+4+5=2025417+2+5=??????
Answer» ANSWER: 143540 Step-by-step explanation: 143540 is your answer if you need process just KEEP ANOTHER answer... Hope it HELPS ❤❤

15.

5+3+2=1510229+2+4=1836528+6+3=4824665+4+5=2025417+2+5=??????

Answer»

ANSWER:

143540

Step-by-step explanation:

143540 is your answer if you need process just KEEP ANOTHER answer...

Hope it HELPS ❤❤

Discussion

16.	Find the quadratic polynomial in each whose sum and product of its zeroes are _1/2,1/2
Answer» ANSWER: Asan QUESTION H khud SE try KRKE Dekh bhai ho jayega

16.

Find the quadratic polynomial in each whose sum and product of its zeroes are _1/2,1/2

Answer»

ANSWER:

Asan QUESTION H khud SE try KRKE Dekh bhai ho jayega

Discussion

17.	Write the number names of 1,45,890
Answer» Answer: one hundred forty-five THOUSAND, eight hundred ninety Step-by-step explanation: USD -> U.S. dollars -> one hundred forty-five thousand, eight hundred ninety U.S. dollars EUR -> euro -> one hundred forty-five thousand, eight hundred ninety euro JPY -> Japanese yen -> one hundred forty-five thousand, eight hundred ninety Japanese yen GBP -> pounds sterling -> one hundred forty-five thousand, eight hundred ninety pounds sterling CHF -> Swiss francs -> one hundred forty-five thousand, eight hundred ninety Swiss francs AUD -> Australian dollars -> one hundred forty-five thousand, eight hundred ninety Australian dollars BGN -> leva -> one hundred forty-five thousand, eight hundred ninety leva BWP -> pula -> one hundred forty-five thousand, eight hundred ninety pula CAD -> Canadian dollars -> one hundred forty-five thousand, eight hundred ninety Canadian dollars CNY -> Chinese yuan -> one hundred forty-five thousand, eight hundred ninety Chinese yuan CZK -> Czech koruny -> one hundred forty-five thousand, eight hundred ninety Czech koruny EEK -> kroonid -> one hundred forty-five thousand, eight hundred ninety kroonid GHS -> Ghana cedis -> one hundred forty-five thousand, eight hundred ninety Ghana cedis GMD -> dalasi -> one hundred forty-five thousand, eight hundred ninety dalasi HKD -> Hong Kong dollars -> one hundred forty-five thousand, eight hundred ninety Hong Kong dollars HRK -> kuna -> one hundred forty-five thousand, eight hundred ninety kuna HUF -> forint -> one hundred forty-five thousand, eight hundred ninety forint INR -> Indian rupees -> one hundred forty-five thousand, eight hundred ninety Indian rupees JMD -> Jamaica dollars -> one hundred forty-five thousand, eight hundred ninety Jamaica dollars KES -> KENYAN shillings -> one hundred forty-five thousand, eight hundred ninety Kenyan shillings LRD -> Liberian dollars -> one hundred forty-five thousand, eight hundred ninety Liberian dollars LSL -> maloti -> one hundred forty-five thousand, eight hundred ninety maloti LTL -> litai -> one hundred forty-five thousand, eight hundred ninety litai LVL -> lati -> one hundred forty-five thousand, eight hundred ninety lati MGA -> ariaries -> one hundred forty-five thousand, eight hundred ninety ariaries MUR -> Mauritian rupees -> one hundred forty-five thousand, eight hundred ninety Mauritian rupees MXN -> Mexican pesos -> one hundred forty-five thousand, eight hundred ninety Mexican pesos MWK -> Malawian kwacha -> one hundred forty-five thousand, eight hundred ninety NAD -> Namibian dollars -> one hundred forty-five thousand, eight hundred ninety Namibian dollars NGN -> naira -> one hundred forty-five thousand, eight hundred ninety naira NZD -> New Zealand dollars -> one hundred forty-five thousand, eight hundred ninety New Zealand dollars PGK -> kina -> one hundred forty-five thousand, eight hundred ninety kina PHP -> Philippine pesos -> one hundred forty-five thousand, eight hundred ninety Philippine pesos PKR -> Pakistani rupees -> one hundred forty-five thousand, eight hundred ninety Pakistani rupees PLN -> zlotys -> one hundred forty-five thousand, eight hundred ninety zlotys RON -> Romanian lei -> one hundred forty-five thousand, eight hundred ninety Romanian lei RSD -> Serbian DINARS -> one hundred forty-five thousand, eight hundred ninety Serbian dinars RUB -> Russian rubles -> one hundred forty-five thousand, eight hundred ninety Russian rubles RWF -> Rwandese francs -> one hundred forty-five thousand, eight hundred ninety Rwandese francs SDG -> Sudanese pounds -> one hundred forty-five thousand, eight hundred ninety Sudanese pounds SGD -> Singapore dollars -> one hundred forty-five thousand, eight hundred ninety Singapore dollars SLL -> leones -> one hundred forty-five thousand, eight hundred ninety leones SZL -> emalangeni -> one hundred forty-five thousand, eight hundred ninety emalangeni THB -> baht -> one hundred forty-five thousand, eight hundred ninety baht TRY -> Turkish lira -> one hundred forty-five thousand, eight hundred ninety Turkish lira TTD -> Trinidad and Tobago dollars -> one hundred forty-five thousand, eight hundred ninety Trinidad and Tobago dollars TZS -> Tanzanian shillings -> one hundred forty-five thousand, eight hundred ninety Tanzanian shillings UAH -> hryvnia -> one hundred forty-five thousand, eight hundred ninety hryvnia UGX -> Uganda shillings -> one hundred forty-five thousand, eight hundred ninety Uganda shillings ZMK -> Zambian kwacha -> one hundred forty-five thousand, eight hundred ninety Zambian kwacha ZMK -> Zambian kwacha -> one hundred forty-five thousand, eight hundred ninety Zambian kwacha ZWL -> ZIMBABWE dollars -> one hundred forty-five thousand, eight hundred ninety Zimbabwe dollars

17.

Write the number names of 1,45,890

Answer»

Answer:

one hundred forty-five THOUSAND, eight hundred ninety

Step-by-step explanation:

USD -> U.S. dollars -> one hundred forty-five thousand, eight hundred ninety U.S. dollars

EUR -> euro -> one hundred forty-five thousand, eight hundred ninety euro

JPY -> Japanese yen -> one hundred forty-five thousand, eight hundred ninety Japanese yen

GBP -> pounds sterling -> one hundred forty-five thousand, eight hundred ninety pounds sterling

CHF -> Swiss francs -> one hundred forty-five thousand, eight hundred ninety Swiss francs

AUD -> Australian dollars -> one hundred forty-five thousand, eight hundred ninety Australian dollars

BGN -> leva -> one hundred forty-five thousand, eight hundred ninety leva

BWP -> pula -> one hundred forty-five thousand, eight hundred ninety pula

CAD -> Canadian dollars -> one hundred forty-five thousand, eight hundred ninety Canadian dollars

CNY -> Chinese yuan -> one hundred forty-five thousand, eight hundred ninety Chinese yuan

CZK -> Czech koruny -> one hundred forty-five thousand, eight hundred ninety Czech koruny

EEK -> kroonid -> one hundred forty-five thousand, eight hundred ninety kroonid

GHS -> Ghana cedis -> one hundred forty-five thousand, eight hundred ninety Ghana cedis

GMD -> dalasi -> one hundred forty-five thousand, eight hundred ninety dalasi

HKD -> Hong Kong dollars -> one hundred forty-five thousand, eight hundred ninety Hong Kong dollars

HRK -> kuna -> one hundred forty-five thousand, eight hundred ninety kuna

HUF -> forint -> one hundred forty-five thousand, eight hundred ninety forint

INR -> Indian rupees -> one hundred forty-five thousand, eight hundred ninety Indian rupees

JMD -> Jamaica dollars -> one hundred forty-five thousand, eight hundred ninety Jamaica dollars

KES -> KENYAN shillings -> one hundred forty-five thousand, eight hundred ninety Kenyan shillings

LRD -> Liberian dollars -> one hundred forty-five thousand, eight hundred ninety Liberian dollars

LSL -> maloti -> one hundred forty-five thousand, eight hundred ninety maloti

LTL -> litai -> one hundred forty-five thousand, eight hundred ninety litai

LVL -> lati -> one hundred forty-five thousand, eight hundred ninety lati

MGA -> ariaries -> one hundred forty-five thousand, eight hundred ninety ariaries

MUR -> Mauritian rupees -> one hundred forty-five thousand, eight hundred ninety Mauritian rupees

MXN -> Mexican pesos -> one hundred forty-five thousand, eight hundred ninety Mexican pesos

MWK -> Malawian kwacha -> one hundred forty-five thousand, eight hundred ninety

NAD -> Namibian dollars -> one hundred forty-five thousand, eight hundred ninety Namibian dollars

NGN -> naira -> one hundred forty-five thousand, eight hundred ninety naira

NZD -> New Zealand dollars -> one hundred forty-five thousand, eight hundred ninety New Zealand dollars

PGK -> kina -> one hundred forty-five thousand, eight hundred ninety kina

PHP -> Philippine pesos -> one hundred forty-five thousand, eight hundred ninety Philippine pesos

PKR -> Pakistani rupees -> one hundred forty-five thousand, eight hundred ninety Pakistani rupees

PLN -> zlotys -> one hundred forty-five thousand, eight hundred ninety zlotys

RON -> Romanian lei -> one hundred forty-five thousand, eight hundred ninety Romanian lei

RSD -> Serbian DINARS -> one hundred forty-five thousand, eight hundred ninety Serbian dinars

RUB -> Russian rubles -> one hundred forty-five thousand, eight hundred ninety Russian rubles

RWF -> Rwandese francs -> one hundred forty-five thousand, eight hundred ninety Rwandese francs

SDG -> Sudanese pounds -> one hundred forty-five thousand, eight hundred ninety Sudanese pounds

SGD -> Singapore dollars -> one hundred forty-five thousand, eight hundred ninety Singapore dollars

SLL -> leones -> one hundred forty-five thousand, eight hundred ninety leones

SZL -> emalangeni -> one hundred forty-five thousand, eight hundred ninety emalangeni

THB -> baht -> one hundred forty-five thousand, eight hundred ninety baht

TRY -> Turkish lira -> one hundred forty-five thousand, eight hundred ninety Turkish lira

TTD -> Trinidad and Tobago dollars -> one hundred forty-five thousand, eight hundred ninety Trinidad and Tobago dollars

TZS -> Tanzanian shillings -> one hundred forty-five thousand, eight hundred ninety Tanzanian shillings

UAH -> hryvnia -> one hundred forty-five thousand, eight hundred ninety hryvnia

UGX -> Uganda shillings -> one hundred forty-five thousand, eight hundred ninety Uganda shillings

ZMK -> Zambian kwacha -> one hundred forty-five thousand, eight hundred ninety Zambian kwacha

ZWL -> ZIMBABWE dollars -> one hundred forty-five thousand, eight hundred ninety Zimbabwe dollars

Discussion

18.	8 person can do a job in 24 days if 4 more persons joined them, how many days will take in the same work.
Answer» ⇒ 70,000 + 5,90,000 - 60,000 ⇒ 6,00,000 COST of GOOD Sold = 6,00,000 • GROSS PROFIT = NET Sales - Cost of Good Sold ⇒ Gross Profit = 7,20,000 - 6,00,000 ⇒ 1,20,000 Gross Profit =1,20,000

18.

8 person can do a job in 24 days if 4 more persons joined them, how many days will take in the same work.

Answer»

⇒ 70,000 + 5,90,000 - 60,000

⇒ 6,00,000

COST of GOOD Sold = 6,00,000

• GROSS PROFIT = NET Sales - Cost of Good Sold

⇒ Gross Profit = 7,20,000 - 6,00,000

⇒ 1,20,000

Gross Profit =1,20,000

Discussion

19.	A common point between the hands of an angle is called the ____ of an angle.
Answer» ANSWER: A COMMON POINT between the HANDS of an angle is called the *VERTEX* of an angle. Hope this Helps:)

19.

A common point between the hands of an angle is called the ____ of an angle.

Answer»

ANSWER:

A COMMON POINT between the HANDS of an angle is called the VERTEX of an angle.

Hope this Helps:)

Discussion

20.	At what rate of interest can a sum of money double itself in 4 years?
Answer» Answer: 12 years_ PLEASE ADD ME AS A BRAIN LIST AND FOLLOW MEE PLEASEEEEE Step-by-step explanation: A sum of MONEY double itself in 4 YEARS at compound interest.! n how many years it will become eight TIMES at same rate of interest. A = P ( 1 + R/100 )^T 2x = x ( 1 + R/100 )^4 ( 1 + R/100 ) = 2^1/4 8x = x ( 1 + R/100 )^T 1 + R/100 = 2^1/4 8 = 2^T/4 2^3 = 2^T/4 T/4 = 3 T = 12 years More

20.

At what rate of interest can a sum of money double itself in 4 years?

Answer»

Answer:

12 years_ PLEASE ADD ME AS A BRAIN LIST AND FOLLOW MEE PLEASEEEEE

Step-by-step explanation:

A sum of MONEY double itself in 4 YEARS at compound interest.! n how many years it will become eight TIMES at same rate of interest.

A = P ( 1 + R/100 )^T 2x = x ( 1 + R/100 )^4 ( 1 + R/100 ) = 2^1/4 8x = x ( 1 + R/100 )^T 1 + R/100 = 2^1/4 8 = 2^T/4 2^3 = 2^T/4 T/4 = 3 T = 12 years More

Discussion

21.	The simple and compound interest on a certain sum of money for two years are Rs 8400 and Rs 8652 respectively. find the sum of money and rate of interest
Answer» ANSWER: PLEASE THANK my ANSWERS

21.

The simple and compound interest on a certain sum of money for two years are Rs 8400 and Rs 8652 respectively. find the sum of money and rate of interest

Answer»

ANSWER:

PLEASE THANK my ANSWERS

Discussion

22.	Subtract a square - 3ab - 6b square from 2b square - a square + 2ab
Answer» ANSWER: -2A SQUARE +8B square +5AB

22.

Subtract a square - 3ab - 6b square from 2b square - a square + 2ab

Answer»

ANSWER:

-2A SQUARE +8B square +5AB

Discussion

23.	Ту псопс2. Solve for 'x' and 'y';2x - 3y= 3+31397 4x£(6x + 7y) = (7x +12y) + 4
Answer» Answer: HI it's REALLY hard I Step-by-step explanation: UU

23.

Ту псопс2. Solve for 'x' and 'y';2x - 3y= 3+31397 4x£(6x + 7y) = (7x +12y) + 4

Answer»

Answer:

HI it's REALLY hard I

Step-by-step explanation:

UU

Discussion

24.	1. Classify the follos
Answer» Step-by-step EXPLANATION: nxjsjsjxjksaokmazmx

24.

1. Classify the follos

Answer»

Step-by-step EXPLANATION:

nxjsjsjxjksaokmazmx

Discussion

25.	Symplify (a+b) a square - ab+b square)
Answer» Step-by-step explanation: (a+b)2−(a−b)2 =((a+b)+(a−b))((a+b)−(a−b)) Parenthesis for SUBSTITUTION EMPHASIS =(a+b+a−b)(a+b−a+b) =(a+a)(b+b) =(2a)(2b) =4ab hope it will be helpful to you pls mark me as brinilist

25.

Symplify (a+b) a square - ab+b square)

Answer»

Step-by-step explanation:

(a+b)2−(a−b)2

=((a+b)+(a−b))((a+b)−(a−b))

Parenthesis for SUBSTITUTION EMPHASIS

=(a+b+a−b)(a+b−a+b)

=(a+a)(b+b)

=(2a)(2b)

=4ab

hope it will be helpful to you

pls mark me as brinilist

Discussion

26.	22. The total surface area of a solid cylinder is616 cm2. If the ratio between its curvedsurface area and total surface area is 1 : 2:find the volume of the cylinder.
Answer» Step-by-step EXPLANATION: it HELPS you !!!! TAKE HIT

26.

22. The total surface area of a solid cylinder is616 cm2. If the ratio between its curvedsurface area and total surface area is 1 : 2:find the volume of the cylinder.

Answer»

Step-by-step EXPLANATION:

it HELPS you !!!!

TAKE HIT

Discussion

27.	Ram starts from his house and walks 4 km North, then 3 km West, then 8 km south. How distant he is from his house?A)6 km B) 7 km C) 5 km D) 8 km
Answer» 7KM is the ANSWER PLEASE LIKE it

Discussion

28.	0Write the decimal form of129/27.57.7*5
Answer» Step-by-step EXPLANATION: PLEASE WRITE it CORRECT you have WRITTEN up and down

28.

0Write the decimal form of129/27.57.7*5

Answer»

Step-by-step EXPLANATION:

PLEASE WRITE it CORRECT you have WRITTEN up and down

Discussion

29.	Please solve it...........
Answer» Answer: 2 1/3 ,,,,,,,,,,,,,,,,,,,,,,,,,,,,

29.

Please solve it...........

Answer»

Answer:

2 1/3

,,,,,,,,,,,,,,,,,,,,,,,,,,,,

Discussion

30.	Square root of 104.29 by long division
Answer» ANSWER: 10.2122475 is the answer

30.

Square root of 104.29 by long division

Answer»

ANSWER:

10.2122475 is the answer

Discussion

31.	222Mathematics for Class 8a = 343 = 7 x 7x7 =a = 7.So, the length of each edge of the cube = 7 cm.Total surface area of the cube = (6a?) sq units= (6 x 7 x 7) cm = 294 cm ?EXERCISE 20A1. Find the volume, lateral surface area and the total surface area of the cuboiddimensions are:(i) length = 22 cm, breadth = 12 cm and height = 7.5 cm(ii) length 15 m, breadth = 6 m and height = 9 dm(iii) length = 24 m, breadth = 25 cm and height = 6 m(iv) length = 48 cm, breadth = 6 dm and height = 1 m2. The dimensions of a rectangular water tank are 2 m 75 cm by l m 80 cm by 1 m 40many litres of water does it hold when filled to the brim?3. A solid rectangular piece of iron measures 1.05 mx 70 cm x 1.5 cm. Find the weigpiece in kilograms if 1 cm of iron weighs 8 grams.ordis 3750 m 2 Find the cost of covering it with Oravel to aTO
Answer» ANSWER: REFER to the FOLLOWING attatchments

31.

222Mathematics for Class 8a = 343 = 7 x 7x7 =a = 7.So, the length of each edge of the cube = 7 cm.Total surface area of the cube = (6a?) sq units= (6 x 7 x 7) cm = 294 cm ?EXERCISE 20A1. Find the volume, lateral surface area and the total surface area of the cuboiddimensions are:(i) length = 22 cm, breadth = 12 cm and height = 7.5 cm(ii) length 15 m, breadth = 6 m and height = 9 dm(iii) length = 24 m, breadth = 25 cm and height = 6 m(iv) length = 48 cm, breadth = 6 dm and height = 1 m2. The dimensions of a rectangular water tank are 2 m 75 cm by l m 80 cm by 1 m 40many litres of water does it hold when filled to the brim?3. A solid rectangular piece of iron measures 1.05 mx 70 cm x 1.5 cm. Find the weigpiece in kilograms if 1 cm of iron weighs 8 grams.ordis 3750 m 2 Find the cost of covering it with Oravel to aTO

Answer»

ANSWER:

REFER to the FOLLOWING attatchments

Discussion

32.	The area of cross section of a triangular prism is 126 cm² and its volume is5,040 cm.If the perimeter of its base is 54 cm,(i) find its lateral surface area (ii) find its total surface area.
Answer» ANSWER: i all so NEED this QUESTION answer PLEASE GIVE me

32.

The area of cross section of a triangular prism is 126 cm² and its volume is5,040 cm.If the perimeter of its base is 54 cm,(i) find its lateral surface area (ii) find its total surface area.

Answer»

ANSWER:

i all so NEED this QUESTION answer PLEASE GIVE me

Discussion

33.	January has ____________days
Answer» ANSWER: JANUARY has 31 DAYS

33.

January has ____________days

Answer»

ANSWER:

JANUARY has 31 DAYS

Discussion

34.	Select True or False. A closed cylindrical tank having radius 7 meter, height 7 meter and is made from a steel of metal. Then 440 sq. meter steel of metal is required.TrueFalse
Answer» YES the ANSWER is TRUE.....

Discussion

35.	2) Y=xe-x find dy dx
Answer» THEREFORE the ANSWER is dy/dx =e-1

Discussion

36.	What should be subtracted from the product of (x-3) (x2 + 3x + 9) to get3x + 9.
Answer» $\huge \mathscr{\orange {\underline{\pink{\underline {Answer:-}}}}}$ (x-3)(x²+3X+9) => x³-3³ = x³-27 => (x³-27)-P(x) = x³-3x+9 => P(x) = 3x - 36 3x - 36 Should be SUBSTITUTING From x³-7 To GET, => x³-3x+9 I HOPE it's Helpful.

36.

What should be subtracted from the product of (x-3) (x2 + 3x + 9) to get3x + 9.

Answer»

$\huge \mathscr{\orange {\underline{\pink{\underline {Answer:-}}}}}$

(x-3)(x²+3X+9)

=> x³-3³ = x³-27

=> (x³-27)-P(x) = x³-3x+9

=> P(x) = 3x - 36

3x - 36 Should be SUBSTITUTING From x³-7

To GET,

=> x³-3x+9

I HOPE it's Helpful.

Discussion

37.	Jo iss question ka answer dega usse mai expert bana dungi hacking krkelet l be a line and P be a point not on l. through P,draw a line m parallel to PQ .let this meet l at S .What shape do the two sets of parallel lines enclose?l
Answer» <P>ANSWER: p and s is the answer hope it HELPS you

37.

Jo iss question ka answer dega usse mai expert bana dungi hacking krkelet l be a line and P be a point not on l. through P,draw a line m parallel to PQ .let this meet l at S .What shape do the two sets of parallel lines enclose?l

Answer»

<P>ANSWER:

p and s is the answer

hope it HELPS you

Discussion

38.	We were young, posters on the wallPraying we're the ones that the teacher wouldn't callWe would stare at each other'Cause we were always in troubleAnd all the cool kids did their own thingI was on the outside, always looking inYeah, I was there but I wasn'tThey never really cared if I was inWe all need that someoneWho gets you like no one elseRight when you need it the mostWe all need a soul to rely onA shoulder to cry onA friend through the highs and the lowsI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneThen I saw your face, your forgiving eyesLooking back at me from the other sideLike you understood meAnd I'm never letting you go, ohWe all need that someoneWho gets you like no one elseRight when you need it the mostWe all need a soul to rely onA shoulder to cry onA friend through the highs and the lowsI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'lone'Cause you are that someoneThat gets me like no one elseRight when I need it the mostAnd I'll be the one you rely onA shoulder to cry onA friend through the highs and the lowsI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it alone
Answer» Answer: The characteristics of an image formed by a flat mirror are: (a) The image and object are the same DISTANCE from the mirror, (b) The image is a virtual image, and (c) The image is situated BEHIND the mirror. A convex mirror is a diverging mirror and FORMS only one TYPE of image, NAMELY a virtual image.

38.

We were young, posters on the wallPraying we're the ones that the teacher wouldn't callWe would stare at each other'Cause we were always in troubleAnd all the cool kids did their own thingI was on the outside, always looking inYeah, I was there but I wasn'tThey never really cared if I was inWe all need that someoneWho gets you like no one elseRight when you need it the mostWe all need a soul to rely onA shoulder to cry onA friend through the highs and the lowsI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneThen I saw your face, your forgiving eyesLooking back at me from the other sideLike you understood meAnd I'm never letting you go, ohWe all need that someoneWho gets you like no one elseRight when you need it the mostWe all need a soul to rely onA shoulder to cry onA friend through the highs and the lowsI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la 'lone'Cause you are that someoneThat gets me like no one elseRight when I need it the mostAnd I'll be the one you rely onA shoulder to cry onA friend through the highs and the lowsI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it aloneLa-la-la-la-la laLa-la-la-la-la-la 'loneI'm not gonna make it alone

Answer»

Answer:

The characteristics of an image formed by a flat mirror are: (a) The image and object are the same DISTANCE from the mirror, (b) The image is a virtual image, and (c) The image is situated BEHIND the mirror. A convex mirror is a diverging mirror and FORMS only one TYPE of image, NAMELY a virtual image.

Discussion

39.	Check the corectness of K.E=1/2MV^2
Answer» Answer: it's RIGHT Step-by-step EXPLANATION: formula for K. E= 1/2 mv²

39.

Check the corectness of K.E=1/2MV^2

Answer»

Answer:

it's RIGHT

Step-by-step EXPLANATION:

formula for K. E= 1/2 mv²

Discussion

40.	Calculate the area andperimeter ofthe giventriangle
Answer» Answer: Area = 20.79cm² Perimeter = 25.86cm Step-by-step explanation: Let's find the THIRD angle first, ⇒ ∠ x = 180 - 60 ⇒ ∠ x = 120° Now let's find the third side of the TRIANGLE below 12CM using sine rule, ⇒ 12 / sin 120 = side₁ / sin 30 ⇒ ( 12 × sin 30 ) / sin 120 = side₁ ⇒ 6.928cm = side₁ Now let's APPLY the area formula, ⇒ Area = 1/2 × ( a × b × sin C ) ⇒ Area = 1/2 × ( 12 × 6.93 × sin 30 ) ⇒ Area = 1/2 × 41.6 ⇒ Area = 20.79cm² Now let's find the third side to find the perimeter later, ⇒ 12 / sin 120 = side₂ / sin 30 ⇒ ( 12 × sin 30 ) / sin 120 = side₂ ⇒ side₂ = 6.93cm Now let's find the perimeter, ⇒ Perimeter = 2 ( 6.93 ) + 12 ⇒ Perimeter = 13.86 + 12 ⇒ Perimeter = 25.86cm Please mark as brainliest will be highly appreciated :)

40.

Calculate the area andperimeter ofthe giventriangle

Answer»

Answer:

Area = 20.79cm²

Perimeter = 25.86cm

Step-by-step explanation:

Let's find the THIRD angle first,

⇒ ∠ x = 180 - 60

⇒ ∠ x = 120°

Now let's find the third side of the TRIANGLE below 12CM using sine rule,

⇒ 12 / sin 120 = side₁ / sin 30

⇒ ( 12 × sin 30 ) / sin 120 = side₁

⇒ 6.928cm = side₁

Now let's APPLY the area formula,

⇒ Area = 1/2 × ( a × b × sin C )

⇒ Area = 1/2 × ( 12 × 6.93 × sin 30 )

⇒ Area = 1/2 × 41.6

⇒ Area = 20.79cm²

Now let's find the third side to find the perimeter later,

⇒ 12 / sin 120 = side₂ / sin 30

⇒ ( 12 × sin 30 ) / sin 120 = side₂

⇒ side₂ = 6.93cm

Now let's find the perimeter,

⇒ Perimeter = 2 ( 6.93 ) + 12

⇒ Perimeter = 13.86 + 12

⇒ Perimeter = 25.86cm

Please mark as brainliest will be highly appreciated :)

Discussion

41.	12. Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 cm of metal. Find thenumber of discs melted. (Use = 3.14)INCERT Exemplar]
Answer» Step-by-step explanation: radius of metalic DISK= 0.75cm thickness t=0.2 let n disk should be melted so VOLUME of n disk=nπr^2t let l=508.68cm volume of metal=l^3 mass =volume density d* l^3= nπr^2td l^3=nπr^2t n=l^3/(πr^2*t) HOPE it will help you.

41.

12. Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 cm of metal. Find thenumber of discs melted. (Use = 3.14)INCERT Exemplar]

Answer»

Step-by-step explanation:

radius of metalic DISK= 0.75cm

thickness t=0.2

let n disk should be melted

so VOLUME of n disk=n*π*r^2*t

let l=508.68cm

volume of metal=l^3

mass =volume * density

d* l^3= n*π*r^2*t*d

l^3=n*πr^2*t

n=l^3/(πr^2*t)

HOPE it will help you.

Discussion

42.	a batsman scored at an average some runs in 10 innings. he scored 48 run in 11th innings. thereby his average runs came down by 2. what were his average runs in 11 in inning.
Answer» Answer: जन॰ 2020 · 11 जवाब Let n be AVERAGE RUN of batsman in 10 innings In 11th INNING it average run is( 10n +48)/11 ... Thereby, his average came down by 2.

42.

a batsman scored at an average some runs in 10 innings. he scored 48 run in 11th innings. thereby his average runs came down by 2. what were his average runs in 11 in inning.

Answer»

Answer:

जन॰ 2020 · 11 जवाब

Let n be AVERAGE RUN of batsman in 10 innings In 11th INNING it average run is( 10n +48)/11 ... Thereby, his average came down by 2.

Discussion

43.	Plz answer ............
Answer» ANSWER: (4A+1) {(4a)²-4a×1+1²}

43.

Plz answer ............

Answer»

ANSWER:

(4A+1) {(4a)²-4a×1+1²}

Discussion

44.	10. Write the statement of fundamental theorem of Arithmetic.अंकगणित की आधारभूत प्रमेय का कथन लिखिए।
Answer» ANSWER: The statement of FUNDAMENTAL THEOREM Of Arithmetic is: "Every composite number can be factorized as a product of primes, and this factorization is UNIQUE, apart from the order in which the prime factors OCCUR."

44.

10. Write the statement of fundamental theorem of Arithmetic.अंकगणित की आधारभूत प्रमेय का कथन लिखिए।

Answer»

ANSWER:

The statement of FUNDAMENTAL THEOREM Of Arithmetic is: "Every composite number can be factorized as a product of primes, and this factorization is UNIQUE, apart from the order in which the prime factors OCCUR."

Discussion

45.	Find the domain of function f(x) =√(1-(x-3)^2)/√9-x²
Answer» QUESTION: Find the Domain of the function $\sf\:f(x)=\sqrt{\dfrac{1-(x-<klux>3</klux>)^2}{9-x^2}}$ Solution : We have to find the Domain of f(x) $\sf\:f(x)=\sqrt{\dfrac{1-(x-3)^2}{9-x^2}}$ $\sf\implies\:f(x)=\sqrt{\dfrac{1-(x^2+9-6x)}{9-x^2}}$ $\sf\implies\:f(x)=\sqrt{\dfrac{1-x^2-9+6x}{9-x^2}}$ $\sf\implies\:f(x)=\sqrt{\dfrac{6x-x^2-8}{9-x^2}}$ Then , $\sf\dfrac{6x-x^2-8}{9-x^2}\geqslant\:0$ $\sf\implies\dfrac{-x^2+6x-8}{3^2-x^2}\geqslant\:0$ $\sf\dfrac{-x^2+4x+2x-8}{3^2-x^2}\geqslant\:0$ $\sf\dfrac{x(-x+4)-2(-x+4)}{(3+x)(3-x)}\geqslant\:0$ $\sf\dfrac{(x-2)(-x+4)}{(3+x)(3-x)}\geqslant\:0$ By sign scheme From the attachment : x < -3 or 2 ≤ x < 3 or x ≥4 Then , $\sf\:x\:\in\:(-\infty,-3)\:\cup\:[2,3)\:\cup\:[4,\infty)$ _____________ More About the topic If R is a relation from set A to set B then , Domain (R)={ x: (x,y) ∈ R } , and Range (R)={ y :(x,y) ∈ R} A REAL function has the domain and CO-domain both as subset of set R. If f : A → B , Then the set A is known as the domain of f and the set B is known as the co - Domain of f. Domain of sin x and cos x is R Domain of polynomial functions is R

45.

Find the domain of function f(x) =√(1-(x-3)^2)/√9-x²

Answer»

QUESTION:

Find the Domain of the function

$\sf\:f(x)=\sqrt{\dfrac{1-(x-<klux>3</klux>)^2}{9-x^2}}$

Solution :

We have to find the Domain of f(x)

$\sf\:f(x)=\sqrt{\dfrac{1-(x-3)^2}{9-x^2}}$

$\sf\implies\:f(x)=\sqrt{\dfrac{1-(x^2+9-6x)}{9-x^2}}$

$\sf\implies\:f(x)=\sqrt{\dfrac{1-x^2-9+6x}{9-x^2}}$

$\sf\implies\:f(x)=\sqrt{\dfrac{6x-x^2-8}{9-x^2}}$

Then ,

$\sf\dfrac{6x-x^2-8}{9-x^2}\geqslant\:0$

$\sf\implies\dfrac{-x^2+6x-8}{3^2-x^2}\geqslant\:0$

$\sf\dfrac{-x^2+4x+2x-8}{3^2-x^2}\geqslant\:0$

$\sf\dfrac{x(-x+4)-2(-x+4)}{(3+x)(3-x)}\geqslant\:0$

$\sf\dfrac{(x-2)(-x+4)}{(3+x)(3-x)}\geqslant\:0$

By sign scheme

From the attachment :

x < -3 or 2 ≤ x < 3 or x ≥4

Then ,

$\sf\:x\:\in\:(-\infty,-3)\:\cup\:[2,3)\:\cup\:[4,\infty)$

_____________

More About the topic

If R is a relation from set A to set B then , Domain (R)={ x: (x,y) ∈ R } , and Range (R)={ y :(x,y) ∈ R}
A REAL function has the domain and CO-domain both as subset of set R.
If f : A → B , Then the set A is known as the domain of f and the set B is known as the co - Domain of f.
Domain of sin x and cos x is R
Domain of polynomial functions is R

Discussion

46.	Can u explain there +3 and -3 and the Ans is (x-y) (x+y+3)but +×- = - how did the ans is +3 pls explain it clearly
Answer» Goru book MAI HOGA shyad DEKH ACCHE se(•‿•)

Discussion

47.	एक व्यक्ति ने बैंक में अपनी बचत का एक हिस्सा और दूसरे भागको पोस्ट ऑफिस में क्रमश: 10% और 8% की सामान्य ब्याज दरोंके साथ रखा हैं यदि व्यक्ति बैंक में अपनी सारी बचत ₹ 57.000रखता है, तो वह एक वर्ष में ₹500 अधिक ब्याज प्राप्त करेगा, तोयह ज्ञात करें कि उसने बैंक में कितना रखा है?(A)₹30,000(B)₹25,000(C)₹29,000(D)₹32,000
Answer» ANSWER: A Step-by-step explanation: A Beautiful woman who CREATED the universe 66666inches to the WORLD and her LIFE was born to be the most beautiful of her children

47.

एक व्यक्ति ने बैंक में अपनी बचत का एक हिस्सा और दूसरे भागको पोस्ट ऑफिस में क्रमश: 10% और 8% की सामान्य ब्याज दरोंके साथ रखा हैं यदि व्यक्ति बैंक में अपनी सारी बचत ₹ 57.000रखता है, तो वह एक वर्ष में ₹500 अधिक ब्याज प्राप्त करेगा, तोयह ज्ञात करें कि उसने बैंक में कितना रखा है?(A)₹30,000(B)₹25,000(C)₹29,000(D)₹32,000

Answer»

ANSWER:

A

Step-by-step explanation:

A Beautiful woman who CREATED the universe 66666inches to the WORLD and her LIFE was born to be the most beautiful of her children

Discussion

48.	Today's testBuy Courses23/35>Mary bought a huge bag of flour.She used an equal amount of flour to bake cookies each day.After 6 days, she had 2/3 of the flour left.After another 7 days, she had 40 kg of flour left.How much flour did she buy?114kg124kg136kg144kg
Answer» ANSWER: 136 KG Step-by-step EXPLANATION: MARK me as BRAINLIEST Answer

48.

Today's testBuy Courses23/35>Mary bought a huge bag of flour.She used an equal amount of flour to bake cookies each day.After 6 days, she had 2/3 of the flour left.After another 7 days, she had 40 kg of flour left.How much flour did she buy?114kg124kg136kg144kg

Answer»

ANSWER:

136 KG

Step-by-step EXPLANATION:

MARK me as BRAINLIEST Answer

Discussion

49.	If alpha and beta are the roots of the equation x²+2x+4=0 then 1/ alpha + 1/beta is equal to
Answer» ANSWER:GIVEN α,β are the ROOTS of (x−a)(x−B)−c=0 ⇒(x−a)(x−b)−c=(x−α)(x−β) ⇒(x−a)(x−b)=(x−α)(x−β)+c ⇒a,b are the roots of EQUATION (x−α)(x−β)+c=0

49.

If alpha and beta are the roots of the equation x²+2x+4=0 then 1/ alpha + 1/beta is equal to

Answer»

ANSWER:GIVEN α,β are the ROOTS of (x−a)(x−B)−c=0

⇒(x−a)(x−b)−c=(x−α)(x−β)

⇒(x−a)(x−b)=(x−α)(x−β)+c

⇒a,b are the roots of EQUATION (x−α)(x−β)+c=0

Discussion

50.	19. Find the value of (2x * 3*) if x=2
Answer» Step-by-step explanation: (2x−3) is a FACTOR of p(x)=2x 3 −9x 2 +x+K, If (2x−3)=0,x= 2 3 If (2x−3) is a factor of p(x) then p( 2 3 )=0 p(x)=2x 3 −9x 2 +x+K, ⇒p( 2 3 )=2( 2 3 )−9( 2 3 )+ 2 3 +K=0 ⇒2( 8 27 )−9( 4 9 )+ 2 3 +K=0 ⇒( 4 27 − 4 81 + 2 3 +K=0)×4 27−81+6+4K=0 −48+4K=0 4K=48 So K=12

50.

19. Find the value of (2x * 3*) if x=2

Answer»

Step-by-step explanation:

(2x−3) is a FACTOR of p(x)=2x

3

−9x

2

+x+K,

If (2x−3)=0,x=

2

3

If (2x−3) is a factor of p(x) then p(

2

3

)=0

p(x)=2x

3

−9x

2

+x+K,

⇒p(

2

3

)=2(

2

3

)−9(

2

3

)+

2

3

+K=0

⇒2(

8

27

)−9(

4

9

)+

2

3

+K=0

⇒(

4

27

−

4

81

+

2

3

+K=0)×4

27−81+6+4K=0

−48+4K=0

4K=48

So K=12

Discussion

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2) Y=xe-x find dy dx

What should be subtracted from the product of (x-3) (x2 + 3x + 9) to get3x + 9.

Jo iss question ka answer dega usse mai expert bana dungi hacking krkelet l be a line and P be a point not on l. through P,draw a line m parallel to PQ .let this meet l at S .What shape do the two sets of parallel lines enclose?l

Check the corectness of K.E=1/2MV^2

Calculate the area andperimeter ofthe giventriangle

12. Metallic discs of radius 0.75 cm and thickness 0.2 cm are melted to obtain 508.68 cm of metal. Find thenumber of discs melted. (Use = 3.14)INCERT Exemplar]

a batsman scored at an average some runs in 10 innings. he scored 48 run in 11th innings. thereby his average runs came down by 2. what were his average runs in 11 in inning.

10. Write the statement of fundamental theorem of Arithmetic.अंकगणित की आधारभूत प्रमेय का कथन लिखिए।

Find the domain of function f(x) =√(1-(x-3)^2)/√9-x²

Can u explain there +3 and -3 and the Ans is (x-y) (x+y+3)but +×- = - how did the ans is +3 pls explain it clearly

Today's testBuy Courses23/35>Mary bought a huge bag of flour.She used an equal amount of flour to bake cookies each day.After 6 days, she had 2/3 of the flour left.After another 7 days, she had 40 kg of flour left.How much flour did she buy?114kg124kg136kg144kg

If alpha and beta are the roots of the equation x²+2x+4=0 then 1/ alpha + 1/beta is equal to

19. Find the value of (2x * 3*) if x=2