332354 + Interview Questions in Secondary School in Math

1.	Please solve linear inequality (iit level)
Answer» Step-by-step EXPLANATION: PERCENTAGE increase in the RENT = INCREASED price / original price × 100 1000/4000×100 100/4 25%

1.

Please solve linear inequality (iit level)

Answer»

Step-by-step EXPLANATION:

PERCENTAGE increase in the RENT

= INCREASED price / original price × 100

1000/4000×100

100/4

25%

Discussion

2.	If 12 gram cause 52000 what is the price 2.2 gm
Answer» ANSWER: PRICE of 12 G= 52000 than price of 2.2g= ? 52000*2.2/12 =9533.333

2.

If 12 gram cause 52000 what is the price 2.2 gm

Answer»

ANSWER:

PRICE of 12 G= 52000

than price of 2.2g= ?

52000*2.2/12

=9533.333

Discussion

3.	For the bjective functions determine their inverses.Il Find fog and goj, where f(x) = 1 + 1 and g() =+2 are functions from R to R
Answer» Answer: not sufficient dat GIVEN or SOMETHING WRONG in typing

3.

For the bjective functions determine their inverses.Il Find fog and goj, where f(x) = 1 + 1 and g() =+2 are functions from R to R

Answer»

Answer:

not sufficient dat GIVEN or SOMETHING WRONG in typing

Discussion

4.	Coefficient of ‘z’ in 5−12 is …..…. (Fill in the blanks)
Answer» 1 is the COEFFICIENT in this QUESTION

4.

Coefficient of ‘z’ in 5−12 is …..…. (Fill in the blanks)

Answer»

1

is the COEFFICIENT in this QUESTION

Discussion

5.	@ at what age , Akbar aluded to takethe affairs ofhans and
Answer» Answer: 16 Step-by-step EXPLANATION: in age of 16 akber was allowed to aluded to take the AFFAIRS

5.

@ at what age , Akbar aluded to takethe affairs ofhans and

Answer»

Answer:

16

Step-by-step EXPLANATION:

in age of 16

akber was allowed to aluded to take the AFFAIRS

Discussion

6.	3.×²- 16× + 64 = 0 solve this guys.
Answer» REFER to the above ATTACHMENT for your ANSWER hope it's HELPFUL :) sorry I'm too lazy to type the answer right now :p

6.

3.×²- 16× + 64 = 0 solve this guys.

Answer»

REFER to the above ATTACHMENT for your ANSWER

hope it's HELPFUL :)

sorry I'm too lazy to type the answer right now :p

Discussion

7.	B. Mark the right item.1. Taro earned very little money because(i) he didn't work hard enough.(ii) the villagers didn't need wood.(iii) the price of wood was very low.
Answer» Step-by-step explanation: 1. TARO earned very little MONEY because (III) the price of WOOD was very low. (✓)

7.

B. Mark the right item.1. Taro earned very little money because(i) he didn't work hard enough.(ii) the villagers didn't need wood.(iii) the price of wood was very low.

Answer»

Step-by-step explanation:

1. TARO earned very little MONEY because

(III) the price of WOOD was very low. (✓)

Discussion

8.	If cos2A=1-tan^2A/1+tan^2A then a =
Answer» ANSWER: COS2A = cos^2 A - sin^2 A = cos^2 A ( 1 - tan^2 A) = (1 - tan^2 A)/sec^2 A = (1 - tan^2 A)/(1 + tan^2 A) Step-by-step EXPLANATION: cos2A = cos^2 A - sin^2 A = cos^2 A ( 1 - tan^2 A) = (1 - tan^2 A)/sec^2 A = (1 - tan^2 A)/(1 + tan^2 A) but this is not a .this is PROVES

8.

If cos2A=1-tan^2A/1+tan^2A then a =

Answer»

ANSWER:

COS2A = cos^2 A - sin^2 A

= cos^2 A ( 1 - tan^2 A)

= (1 - tan^2 A)/sec^2 A

= (1 - tan^2 A)/(1 + tan^2 A)

Step-by-step EXPLANATION:

cos2A = cos^2 A - sin^2 A

= cos^2 A ( 1 - tan^2 A)

= (1 - tan^2 A)/sec^2 A

= (1 - tan^2 A)/(1 + tan^2 A)

but this is not a .this is PROVES

Discussion

9.	Second degree equationA 34 cm long wire is bent into a to rectangle,the length of it's diagonal is 13cm. what arethe length of the sides of the rectangle?
Answer» ANSWER: is CALLED RECTANGLE. I HOPE you ENJOY my answer.

9.

Second degree equationA 34 cm long wire is bent into a to rectangle,the length of it's diagonal is 13cm. what arethe length of the sides of the rectangle?

Answer»

ANSWER:

is CALLED RECTANGLE.

I HOPE you ENJOY my answer.

Discussion

10.	સમતલ જમીન સાથે શિરોલંબ ઊભેલું નીલગિરીનું ઝાડ એ રીતે ભાંગીને વળી જાય છે જેથી તેની ટોય, જમીન સાથે ઉપરનોભાગ 30° માપનો ખૂણો બનાવે તેમ જમીનને સ્પર્શે છે. ઝાડની જમીનને સ્પર્શતી ટોચ અને ઝાડના થડ વચ્ચેનું અંતર 12.11મીટર છે. વૃક્ષની લંબાઈ શોધો.
Answer» Answer: HO gya HAI Step-by-step explanation: mark me as a BRAINLIST

10.

સમતલ જમીન સાથે શિરોલંબ ઊભેલું નીલગિરીનું ઝાડ એ રીતે ભાંગીને વળી જાય છે જેથી તેની ટોય, જમીન સાથે ઉપરનોભાગ 30° માપનો ખૂણો બનાવે તેમ જમીનને સ્પર્શે છે. ઝાડની જમીનને સ્પર્શતી ટોચ અને ઝાડના થડ વચ્ચેનું અંતર 12.11મીટર છે. વૃક્ષની લંબાઈ શોધો.

Answer»

Answer:

HO gya HAI

Step-by-step explanation:

mark me as a BRAINLIST

Discussion

11.	15-(-6) + (-7) find the value of the following
Answer» $\huge\bf { \red S \green O \pink L \blue U \orange T \purple I \red O \pink N \green{...}}$ $\large \longrightarrow \sf 15 - ( - 6) + ( - 7) \\ \\\large \longrightarrow \sf 15 + 6 - 7 \\ \\\large \longrightarrow \sf 21 - 7 \\ \\\large \longrightarrow \sf 14$

11.

15-(-6) + (-7) find the value of the following

Answer»

$\huge\bf { \red S \green O \pink L \blue U \orange T \purple I \red O \pink N \green{...}}$

$\large \longrightarrow \sf 15 - ( - 6) + ( - 7) \\ \\\large \longrightarrow \sf 15 + 6 - 7 \\ \\\large \longrightarrow \sf 21 - 7 \\ \\\large \longrightarrow \sf 14$

Discussion

12.	A monkey asend a greased pole 21m high in first minute he asends 6m and in next minute he descends 5m if he continues this process how many minutes will be reach the top
Answer» Answer: 30 MINUTES Step-by-step EXPLANATION:

12.

A monkey asend a greased pole 21m high in first minute he asends 6m and in next minute he descends 5m if he continues this process how many minutes will be reach the top

Answer»

Answer:

30 MINUTES

Step-by-step EXPLANATION:

Discussion

13.	AR53,lan 42 tan byએક નિસરણીનો ઉપરનો છેડો 3 મીટર ઊંચી દીવાલની ટોચને અડકે છે. જે નિસરણીનો નીચેનો છેડો જમીન સાથે 30°માપનો ખૂણો બનાવે તો નિસરણીની લંબાઈ શોધો.
Answer» Answer: what is this PLEASE please please please please write in English I WANT to GIVE CORRECT answer

13.

AR53,lan 42 tan byએક નિસરણીનો ઉપરનો છેડો 3 મીટર ઊંચી દીવાલની ટોચને અડકે છે. જે નિસરણીનો નીચેનો છેડો જમીન સાથે 30°માપનો ખૂણો બનાવે તો નિસરણીની લંબાઈ શોધો.

Answer»

Answer:

what is this PLEASE please please please please write in English I WANT to GIVE CORRECT answer

Discussion

14.	Find the point on x axis which is equidistant from the points (2,-2) and (-4,2)
Answer» Answer: (-1,0) EXPLANATION: point A (2,-2) and point B (-4,2) LET point P be the point on x-axis whose coordinates be (X,0) which is equidistant from POINTS A (2,-2) and B (-4,2). SINCE , x = X1 + x2/ 2 therefore, x= 2-4/2 x=-1 since, y= y1 + y2/ 2 therefore, y= -2+2/2 y= 0 Therefore point P(-1,0) Since on X-AXIS the coordinates are (X,0)

14.

Find the point on x axis which is equidistant from the points (2,-2) and (-4,2)

Answer»

Answer:

(-1,0)

EXPLANATION:

point A (2,-2) and point B (-4,2)

LET point P be the point on x-axis whose coordinates be (X,0) which is equidistant from POINTS A (2,-2) and B (-4,2).

SINCE , x = X1 + x2/ 2

therefore, x= 2-4/2

x=-1

since, y= y1 + y2/ 2

therefore, y= -2+2/2

y= 0

Therefore point P(-1,0)

Since on X-AXIS the coordinates are (X,0)

Discussion

15.	A car moves at a constant speed of 56.4 km per hour. how much distance does it cover in 3.5 hours
Answer» ANSWER: I WILL TELL U Step-by-step EXPLANATION: SPEED= DISTANCE/TIME DISTANCE=SPEED*TIME =56.4*3.5 =197.4KM

15.

A car moves at a constant speed of 56.4 km per hour. how much distance does it cover in 3.5 hours

Answer»

ANSWER:

I WILL TELL U

Step-by-step EXPLANATION:

SPEED= DISTANCE/TIME

DISTANCE=SPEED*TIME

=56.4*3.5

=197.4KM

Discussion

16.	How many edges number in ludo?
Answer» ANSWER: EDGE NUMBER in LUDO= 4,6,8

16.

How many edges number in ludo?

Answer»

ANSWER:

EDGE NUMBER in LUDO= 4,6,8

Discussion

17.	Rationalize 2-√3÷2+√3
Answer» ANSWER: HOPE it helps Happy DIWALI ❤️

17.

Rationalize 2-√3÷2+√3

Answer»

ANSWER:

HOPE it helps

Happy DIWALI ❤️

Discussion

18.	Pls answer its very importantAnswer step by step except define the following answer fast and i will follow u in the next couple of seconds. Pls answer fast
Answer» Step-by-step EXPLANATION: Q3 a) i)4 ii)8 b)-3x+11y+10y c)-x²-2xy-4y² it looks like a test bt it's ok ATLEAST I try PLZZ thnk n follow it looks like a test

18.

Pls answer its very importantAnswer step by step except define the following answer fast and i will follow u in the next couple of seconds. Pls answer fast

Answer»

Step-by-step EXPLANATION:

Q3

a)

i)4

ii)8

b)-3x+11y+10y

c)-x²-2xy-4y²

it looks like a test bt it's ok ATLEAST I try PLZZ thnk n follow

it looks like a test

Discussion

19.	In the adjoining figure ABCD and APQR are parallelogram. If C = 75 then find APQ
Answer» ANSWER: SORRY guy Step-by-step EXPLANATION: sorry guyyyyyuu

19.

In the adjoining figure ABCD and APQR are parallelogram. If C = 75 then find APQ

Answer»

ANSWER:

SORRY guy

Step-by-step EXPLANATION:

sorry guyyyyyuu

Discussion

20.	What will you do to make your country heaven of freedom..
Answer» ANSWER: we will GIVE FREEDOM to COUNTRY ye lvkr join HO

20.

What will you do to make your country heaven of freedom..

Answer»

ANSWER:

we will GIVE FREEDOM to COUNTRY ye lvkr join HO

Discussion

21.	What is the ratio of the area of a semicircle to the quarter circle
Answer» $\huge\fcolorbox{red}{cyan}{2:1}$

Discussion

22.	Which one in each following pairs in large in size (a) C4-/F
Answer» ANSWER: sorry I don't understand it

22.

Which one in each following pairs in large in size (a) C4-/F

Answer»

ANSWER:

sorry I don't understand it

Discussion

23.	Find two numbers with sum 4 and product 2?in second degree equation
Answer» *LET* *the* *numbers* be X and y. Given; SUM of the numbers is 4 product of the numbers is 2. To FIND; x and y. Formula to be used; -b+-√b^2-4ac/2 Solution; x+y=4 y=4-x x×y=2 x×4-x=2 4x-x^2=2 -x^2+4x-2 x^2-4x+2. a=1; b=-4; c=2 X=-b+-√b^2-4ac/2 x=-4+-√(-4^2)-4(1)(2)/2 x=-4+-√(16)-8/2 x=-4+-√8/2 x=-2+-√2 Therefore, the numbers are -2+√2 and** -2-√2.

23.

Find two numbers with sum 4 and product 2?in second degree equation

Answer»

LET the numbers be X and y.

Given;

SUM of the numbers is 4

product of the numbers is 2.

To FIND;

x and y.

Formula to be used;

-b+-√b^2-4ac/2

Solution;

x+y=4

y=4-x

x×y=2

x×4-x=2

4x-x^2=2

-x^2+4x-2

x^2-4x+2.

a=1; b=-4; c=2

X=-b+-√b^2-4ac/2

x=-4+-√(-4^2)-4(1)(2)/2

x=-4+-√(16)-8/2

x=-4+-√8/2

x=-2+-√2

Therefore, the numbers are -2+√2 and -2-√2.

Discussion

24.	1+cot ^2 theta=️️️️️️️️️️.
Answer» Step-by-step EXPLANATION: cosec^2© mark as BRILLIANT ANS take THANKS for all question

24.

1+cot ^2 theta=️️️️️️️️️️.

Answer»

Step-by-step EXPLANATION:

cosec^2©

mark as BRILLIANT ANS take THANKS for all question

Discussion

25.	20,15,10,05,0....is this an arithmetic progression
Answer» Step-by-step EXPLANATION: $\huge\red{\boxed{\green{\boxed{\red{Yes~Beacuse ~the~difference ~is~-5}}}}}$

25.

20,15,10,05,0....is this an arithmetic progression

Answer»

Step-by-step EXPLANATION:

$\huge\red{\boxed{\green{\boxed{\red{Yes~Beacuse ~the~difference ~is~-5}}}}}$

Discussion

26.	2. ×² = 0 solve this guys.
Answer» Step-by-step EXPLANATION: ×²=0 ×=√0 ×=0 this is the ANSWER of your QUESTIONS

26.

2. ×² = 0 solve this guys.

Answer»

Step-by-step EXPLANATION:

×²=0

×=√0

×=0

this is the ANSWER of your QUESTIONS

Discussion

27.	Write the formula of the compoundformed by the following ionsplzz answer it asap..
Answer» ANSWER: I don't UNDERSTAND Step-by-step EXPLANATION: BRAINLIEST answer this OK...

27.

Write the formula of the compoundformed by the following ionsplzz answer it asap..

Answer»

ANSWER:

I don't UNDERSTAND

Step-by-step EXPLANATION:

BRAINLIEST answer this OK...

Discussion

28.	Case.Find the greatest number of 5 digits which when divided by 25, 30 and 40leaves a remainder of 20, 25 and 35 respectively.What is the lowest
Answer» Step-by-step EXPLANATION: HCF is 5 lowest 5 digit number is divisible by 5 is 10000

28.

Case.Find the greatest number of 5 digits which when divided by 25, 30 and 40leaves a remainder of 20, 25 and 35 respectively.What is the lowest

Answer»

Step-by-step EXPLANATION:

HCF is 5

lowest 5 digit number is divisible by 5 is 10000

Discussion

29.	৬।P
Answer» Answer: Soooory Dear I can't UNDERSTAND your QUESTION PROPERLY... ❤️ ❤️ Sweety ❤️ ❤️

29.

৬।P

Answer»

Answer:

Soooory Dear I can't UNDERSTAND your QUESTION PROPERLY...

❤️ ❤️ Sweety ❤️ ❤️

Discussion

30.	evonne and Julie collect stickers. the ratio of the number of Evonne's stickers to the number of Julie's sticker is 5:2. Evonne then gives Julie 1/3 of her stickers and Julie has 33 stickers now. how many sticker do they have altogether
Answer» ANSWER: I don't UNDERSTAND Step-by-step EXPLANATION: BRAINLIEST answer this OK.....

30.

evonne and Julie collect stickers. the ratio of the number of Evonne's stickers to the number of Julie's sticker is 5:2. Evonne then gives Julie 1/3 of her stickers and Julie has 33 stickers now. how many sticker do they have altogether

Answer»

ANSWER:

I don't UNDERSTAND

Step-by-step EXPLANATION:

BRAINLIEST answer this OK.....

Discussion

31.	The operator T: CLO: 1) -C[0:1] is not linear if (Tx) (t) is01vanrau022020x(t)03None of these2xt
Answer» ANSWER: i have no ANS SRY

31.

The operator T: CLO: 1) -C[0:1] is not linear if (Tx) (t) is01vanrau022020x(t)03None of these2xt

Answer»

ANSWER:

i have no ANS SRY

Discussion

32.	Reema spends 1/2 of her money in a shop. Then she spends1/3 of what is left on the bus fare.If she is finally left with ₹20. how much did she have in the beginning?
Answer» ANSWER: she had 120 RS with her in the beginning mark as brainliest Step-by-step EXPLANATION:

32.

Reema spends 1/2 of her money in a shop. Then she spends1/3 of what is left on the bus fare.If she is finally left with ₹20. how much did she have in the beginning?

Answer»

ANSWER:

she had 120 RS with her in the beginning

mark as brainliest

Step-by-step EXPLANATION:

Discussion

33.	Plss solve my problem friends i don't know the sum its very argent guys plss consider
Answer» ANSWER: jddksksjfjdjsjfjdjdjdjdidjdjejwjdjfjdjeksjfnfnskskxkzlz

33.

Plss solve my problem friends i don't know the sum its very argent guys plss consider

Answer»

ANSWER:

jddksksjfjdjsjfjdjdjdjdidjdjejwjdjfjdjeksjfnfnskskxkzlz

Discussion

34.	Simplify:2^3-5^12+3^48
Answer» Answer: ROOT or SQUARE you want ? Step-by-step EXPLANATION: in pic it is Root, and in your TEXT it is Square ??????

34.

Simplify:2^3-5^12+3^48

Answer»

Answer:

ROOT or SQUARE you want ?

Step-by-step EXPLANATION:

in pic it is Root, and in your TEXT it is Square ??????

Discussion

35.	PLEASE ANSWER THIS FASTIF YOU KNOW HOW TO SOLVE THEN SOLVE ITIF YOU DONT KNOW, THEN DONT ANSWER/ GIVE USELESS ANSWER
Answer» Answer: Example: 1/3, 2/6, 3/9, 4/12..are equivalent fractions. Equivalent FRACTION of a given fraction is got by multiplying or dividing its NUMERATOR and denominator by the same WHOLE number. For example, if we multiply the numerator and denominator of 2/3 by 4 we get.

35.

PLEASE ANSWER THIS FASTIF YOU KNOW HOW TO SOLVE THEN SOLVE ITIF YOU DONT KNOW, THEN DONT ANSWER/ GIVE USELESS ANSWER

Answer»

Answer:

Example: 1/3, 2/6, 3/9, 4/12..are equivalent fractions. Equivalent FRACTION of a given fraction is got by multiplying or dividing its NUMERATOR and denominator by the same WHOLE number. For example, if we multiply the numerator and denominator of 2/3 by 4 we get.

Discussion

36.	The simple interest on a sum of 5 year is one - forth of the sum . what is the rate of interest per annum
Answer» ANSWER: $\huge \red{from \: where \: uh \: r \: sis}$

36.

The simple interest on a sum of 5 year is one - forth of the sum . what is the rate of interest per annum

Answer»

ANSWER:

$\huge \red{from \: where \: uh \: r \: sis}$

Discussion

37.	Find the value of : (6×²) × (-2x) ×(3×³)
Answer» ANSWER: google Step-by-step EXPLANATION:

37.

Find the value of : (6×²) × (-2x) ×(3×³)

Answer»

ANSWER:

google

Step-by-step EXPLANATION:

Discussion

38.	If x = 5-2√6, find the value of x²+1/x²
Answer» GIVEN :- $\bullet \: \: \sf{x = 5 - 2 \sqrt{6} }$ To FIND :- x²+1/x² According to the QUESTION, $\implies\sf{ \dfrac{1}{x} = \dfrac{1}{5 - 2 \sqrt{6} } \times \dfrac{5 + 2 \sqrt{6} }{5 + 2 \sqrt{6} } }$ $\implies \sf{ \frac{1}{x} = \frac{5 + 2 \sqrt{6} }{25 - 24} = 5 + 2 \sqrt{6 } \:\green\bigstar}$ $\implies\sf{ x + \dfrac{1}{ x} = 5 - 2 \sqrt{6} + 5 + 2 \sqrt{6} } \\$ $\implies \sf{x + \frac{1}{x} = 10 \: \pink\bigstar }$ SQUARING on both the SIDES : $\implies \sf{ {x}^{2} + \dfrac{1}{ {x}^{2} } = {10}^{2} } \\ \\ \implies \sf{ {x}^{2} + \frac{1}{ {x}^{2}} + 2 \times x \times \frac{1}{ x} = 100} \\ \\ \implies \sf{{x}^{2} + \frac{1}{ {x}^{2} } + 2= 100 } \\ \\ \implies \sf{ {x}^{2} + \frac{1}{ {x}^{2} } = 100 - 2 } \\ \\ { \underline{ \boxed{\implies {\sf{ {x}^{2} + \frac{1}{ {x}^{2} } = 98}}}}} \orange\bigstar$

38.

If x = 5-2√6, find the value of x²+1/x²

Answer»

GIVEN :-

$\bullet \: \: \sf{x = 5 - 2 \sqrt{6} }$

To FIND :-

x²+1/x²

According to the QUESTION,

$\implies\sf{ \dfrac{1}{x} = \dfrac{1}{5 - 2 \sqrt{6} } \times \dfrac{5 + 2 \sqrt{6} }{5 + 2 \sqrt{6} } }$

$\implies \sf{ \frac{1}{x} = \frac{5 + 2 \sqrt{6} }{25 - 24} = 5 + 2 \sqrt{6 } \:\green\bigstar}$

$\implies\sf{ x + \dfrac{1}{ x} = 5 - 2 \sqrt{6} + 5 + 2 \sqrt{6} } \\$

$\implies \sf{x + \frac{1}{x} = 10 \: \pink\bigstar }$

SQUARING on both the SIDES :

$\implies \sf{ {x}^{2} + \dfrac{1}{ {x}^{2} } = {10}^{2} } \\ \\ \implies \sf{ {x}^{2} + \frac{1}{ {x}^{2}} + 2 \times x \times \frac{1}{ x} = 100} \\ \\ \implies \sf{{x}^{2} + \frac{1}{ {x}^{2} } + 2= 100 } \\ \\ \implies \sf{ {x}^{2} + \frac{1}{ {x}^{2} } = 100 - 2 } \\ \\ { \underline{ \boxed{\implies {\sf{ {x}^{2} + \frac{1}{ {x}^{2} } = 98}}}}} \orange\bigstar$

Discussion

39.	Any norm II \|\| is equivalent to any other norm II-ll, if vector space X is
Answer» ANSWER: थठरयडयडययढभयढरडडथडथथड

39.

Any norm II || is equivalent to any other norm II-ll, if vector space X is

Answer»

ANSWER:

थठरयडयडययढभयढरडडथडथथड

Discussion

40.	4. The weight of corns harvested from a farm has a normal distribution with a mean of 70g and standard deviation of 10g. If a corn is select randomly, what is the probability if the weight of the drawn corn is a) more than 80g? b) below 72g? c) in between 72g and 82g?
Answer» Answer: Options C is the RIGHT answer Step-by-step explanation: Its very EASY question

40.

4. The weight of corns harvested from a farm has a normal distribution with a mean of 70g and standard deviation of 10g. If a corn is select randomly, what is the probability if the weight of the drawn corn is a) more than 80g? b) below 72g? c) in between 72g and 82g?

Answer»

Answer:

Options C is the RIGHT answer

Step-by-step explanation:

Its very EASY question

Discussion

41.	A card is drawn at random from a well shuffled pack of 52 cards. Find the probability of getting atwo of heart or one of diamond.(a) 1/26(b) 2/51(C) 2/26(d) 1/52
Answer» ANSWER: C OPTION is the CORRECT answer

41.

A card is drawn at random from a well shuffled pack of 52 cards. Find the probability of getting atwo of heart or one of diamond.(a) 1/26(b) 2/51(C) 2/26(d) 1/52

Answer»

ANSWER:

C OPTION is the CORRECT answer

Discussion

42.	In the given figure, O is the centre of the circle, AB and CD are the chords of the circle which intersect at P. If PA=4 cm, PB = 6 cm, OB 7 cm and CD is 1 cm greater than twice of OP, then the difference between the length of PD and PC is
Answer» ANSWER: SORRY I didn't UNDERSTAND

42.

In the given figure, O is the centre of the circle, AB and CD are the chords of the circle which intersect at P. If PA=4 cm, PB = 6 cm, OB 7 cm and CD is 1 cm greater than twice of OP, then the difference between the length of PD and PC is

Answer»

ANSWER:

SORRY I didn't UNDERSTAND

Discussion

43.	If LCM of the two polynomials (x^2 + 3x)(x^2 + 3x + 2) and (x^2 + 6x + 8)(x^2 + kx + 6) isx(x + 1)(x + 2)^2 (x + 3)(x + 4), then find k."please answer fast"
Answer» $\mathfrak{\huge \underline{Question:}}$ $If~<klux>LCM</klux>~of~the~two~polynomials~\\\\ (x^2 + 3x)(x^2 + 3x + 2) ~and~ (x^2 + 6x + 8)(x^2 + kx + 6)\\\\is~x(x + 1)(x + 2)^2 (x + 3)(x + 4), then find ~\bf k.$ $\mathfrak{\huge \underline{Answer:}}$ $\huge \boxed{\fcolorbox{black} {pink}{K=5}}$ $\mathfrak{\huge \underline{Explanation:}}$ FACTORIZE both the polynomial: $(x^2 + 3x)(x^2 + 3x + 2) = \bf x(x+3)(x+1)(x+2) \\\\(x^2 + 6x + 8)(x^2 + kx + 6)=\bf(x+2)(x+4)(x^2+kx+6) \\\\ LCM~of~both~the~polynomial = x(x+3)(x+1)(x+2)(x+4)(x^2+kx+6).$ But, LCM GIVEN is $x(x + 1)(x + 2)^2 (x + 3)(x+4)$ So, $x(x+3)(x+1)(x+2)(x+4)(x^2+kx+6)=x(x + 1)(x + 2)^2 (x + 3)(x + 4)\\\\ \cancel{x(x+3)(x+1)(x+2)(x+4)}(x^2+kx+6) =\cancel{x(x + 1)(x + 2)(x + 3)(x + 4)}(x+2) \\\\ x+2 is~ a ~factor ~of ~x^2+kx+6$ So, x+2= 0, x= - 2(by remainder THEOREM) Putting the value of $x=-2~ in~ x^2+kx+6,$ we GET 4-2k+6=0 10-2k=0 2k=10 k=5

43.

If LCM of the two polynomials (x^2 + 3x)(x^2 + 3x + 2) and (x^2 + 6x + 8)(x^2 + kx + 6) isx(x + 1)(x + 2)^2 (x + 3)(x + 4), then find k."please answer fast"

Answer»

$\mathfrak{\huge \underline{Question:}}$

$If~<klux>LCM</klux>~of~the~two~polynomials~\\\\ (x^2 + 3x)(x^2 + 3x + 2) ~and~ (x^2 + 6x + 8)(x^2 + kx + 6)\\\\is~x(x + 1)(x + 2)^2 (x + 3)(x + 4), then find ~\bf k.$

$\mathfrak{\huge \underline{Answer:}}$

$\huge \boxed{\fcolorbox{black} {pink}{K=5}}$

$\mathfrak{\huge \underline{Explanation:}}$

FACTORIZE both the polynomial:

$(x^2 + 3x)(x^2 + 3x + 2) = \bf x(x+3)(x+1)(x+2) \\\\(x^2 + 6x + 8)(x^2 + kx + 6)=\bf(x+2)(x+4)(x^2+kx+6) \\\\ LCM~of~both~the~polynomial = x(x+3)(x+1)(x+2)(x+4)(x^2+kx+6).$

But, LCM GIVEN is

$x(x + 1)(x + 2)^2 (x + 3)(x+4)$

So,

$x(x+3)(x+1)(x+2)(x+4)(x^2+kx+6)=x(x + 1)(x + 2)^2 (x + 3)(x + 4)\\\\ \cancel{x(x+3)(x+1)(x+2)(x+4)}(x^2+kx+6) =\cancel{x(x + 1)(x + 2)(x + 3)(x + 4)}(x+2) \\\\ x+2 is~ a ~factor ~of ~x^2+kx+6$

So, x+2= 0, x= - 2(by remainder THEOREM)

Putting the value of $x=-2~ in~ x^2+kx+6,$ we GET

4-2k+6=0

10-2k=0

2k=10

k=5

Discussion

44.	VG37% 5:00 pmJaoßgle ser...By rationlising
Answer» ANSWER: YA OK. how I don't THINK

44.

VG37% 5:00 pmJaoßgle ser...By rationlising

Answer»

ANSWER:

YA OK. how I don't THINK

Discussion

45.	14. How many bricks 20 cm long and 10 cm wide willbe required to pave a floor 20 m long and 10 mcm or a circle of circumferencea mwide ?
Answer» ANSWER: FIRSTLY convert meter into centimeters that is 10m=1000cm and 8m=800cm. AREA of floor 800X1000=800000cm length of brick 20cm breadth of brick 10cm now area of brick will be 20X10=200cm 800000÷200(ar of floor / ar of brick) you can also convert it into meters by dividing by 100 800000÷100=8000 200÷100=2 here 8000÷ 2 4000 you NEED 4000 bricks Step-by-step EXPLANATION:

45.

14. How many bricks 20 cm long and 10 cm wide willbe required to pave a floor 20 m long and 10 mcm or a circle of circumferencea mwide ?

Answer»

ANSWER:

FIRSTLY convert meter into centimeters

that is 10m=1000cm

and 8m=800cm.

AREA of floor 800X1000=800000cm

length of brick 20cm breadth of brick 10cm

now area of brick will be 20X10=200cm

800000÷200(ar of floor / ar of brick)

you can also convert it into meters by dividing by 100

800000÷100=8000

200÷100=2

here 8000÷ 2

4000

you NEED 4000 bricks

Step-by-step EXPLANATION:

Discussion

46.	Value of m ?? 3 or 5 mark
Answer» ANSWER: m=-2 Step-by-step explanation: 3+(-6)=2m+1 -3-1=2m -4=2m m=-4/2 m=-2 Make me BRAINLEST

46.

Value of m ?? 3 or 5 mark

Answer»

ANSWER:

m=-2

Step-by-step explanation:

3+(-6)=2m+1

-3-1=2m

-4=2m

m=-4/2

m=-2

Make me BRAINLEST

Discussion

47.	Convert 5°F to the Celsius scale.
Answer» Answer: 41° farenhite Step-by-step explanation: PLEASE make it BRAINLIEST answerand follow me

47.

Convert 5°F to the Celsius scale.

Answer»

Answer:

41° farenhite

Step-by-step explanation:

PLEASE make it BRAINLIEST answerand follow me

Discussion

48.	Please the answeranswer is page
Answer» ANSWER: SORRY for the LATE NOTICE but I was WONDERING if you

48.

Please the answeranswer is page

Answer»

ANSWER:

SORRY for the LATE NOTICE but I was WONDERING if you

Discussion

49.	1+2+3+4+5+6+7+8+9+1000+12+100 what is answer tell correct answer I will mark you as brainlest
Answer» Answer: 1157 .... Step-by-step EXPLANATION: *HOPE* it *will* *HELPFUL*......

49.

1+2+3+4+5+6+7+8+9+1000+12+100 what is answer tell correct answer I will mark you as brainlest

Answer»

Answer:

1157 ....

Step-by-step EXPLANATION:

HOPE it will HELPFUL......

Discussion

50.	8. Pick out the odd-one from the following: steam,9. Fill in the blanks.a. The substances made up of only one type of atoms are calledis a metal which is liquid at room temperature,c. The composition of ais fixedd. Blood is amixture.e. Air is amixturef. Clean air is amixture10. Which of the following statements are true and which are false?a. Carbon is an element, smoke is a mixture and ice is a compoundb. Coal is an element.c. Benzene is a compound and it contains carbon and hydrogen.d. Brass is a mixture of two elements copper and tin.e. Hydrogen is the most abundant element in the earth's crust.f. A solution of glucose in water is a homogeneous mixture.
Answer» ANSWER: a. ELEMENT. THANKS for POINTS.

50.

8. Pick out the odd-one from the following: steam,9. Fill in the blanks.a. The substances made up of only one type of atoms are calledis a metal which is liquid at room temperature,c. The composition of ais fixedd. Blood is amixture.e. Air is amixturef. Clean air is amixture10. Which of the following statements are true and which are false?a. Carbon is an element, smoke is a mixture and ice is a compoundb. Coal is an element.c. Benzene is a compound and it contains carbon and hydrogen.d. Brass is a mixture of two elements copper and tin.e. Hydrogen is the most abundant element in the earth's crust.f. A solution of glucose in water is a homogeneous mixture.

Answer»

ANSWER:

a. ELEMENT. THANKS for POINTS.

Discussion

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