332354 + Interview Questions in Secondary School in Math

1.	Two coins are tossed toghter. what is prohibility of getting different faces on the coins?
Answer» P(GETTING HEADS) 1/2 P(getting TAILS) 1/2

Discussion

2.	If A is an event of a random experiment,such that P(A):P(A)=1:2
Answer» Answer: 2..........................

2.

If A is an event of a random experiment,such that P(A):P(A)=1:2

Answer»

Answer:

2..........................

Discussion

3.	If X y and z are four consecutive term of an a.p then find X and y in term of b and c
Answer» ANSWER: ANSWER Let the TERMS be a−3d,a−d,a+d,a+3d. Given, Sum =20 ⇒a−3d+a−d+a+d+a+3d=20 ⇒4a=20 ⇒a=5 Also given, sum of squares =120 ⇒(a−3d) 2 +(a−d) 2 +(a+d) 2 +(a+3d) 2 =120 ⇒(5−3d) 2 +(5−d) 2 +(5+d) 2 +(5+3d) 2 =120 ⇒25−30d+9d2+25−10d+d 2 +25+10d+d 2 ⇒25+30d+9d 2 =120 ⇒100+20d 2 =120 ⇒20d 2 =20 ⇒d 2 =1 ⇒d=±1 The terms are a−3d,a−d,a+d,a+3d Thus, 5−3,5−1,5+1,5+3 (i.e.) 2,4,6,8 or 8,6,4,2 Step-by-step explanation: please follow me

3.

If X y and z are four consecutive term of an a.p then find X and y in term of b and c

Answer»

ANSWER:

ANSWER

Let the TERMS be a−3d,a−d,a+d,a+3d.

Given, Sum =20

⇒a−3d+a−d+a+d+a+3d=20

⇒4a=20

⇒a=5

Also given, sum of squares =120

⇒(a−3d)

2

+(a−d)

2

+(a+d)

2

+(a+3d)

2

=120

⇒(5−3d)

2

+(5−d)

2

+(5+d)

2

+(5+3d)

2

=120

⇒25−30d+9d2+25−10d+d

2

+25+10d+d

2

⇒25+30d+9d

2

=120

⇒100+20d

2

=120

⇒20d

2

=20

⇒d

2

=1

⇒d=±1

The terms are a−3d,a−d,a+d,a+3d

Thus, 5−3,5−1,5+1,5+3

(i.e.) 2,4,6,8 or 8,6,4,2

Step-by-step explanation:

please follow me

Discussion

4.	Find the orthogonal trajection of the family of cardiods r=a(1+sin))
Answer» Answer: ❤ Soorarai Pottru (2020) [TAMIL - HQ HDRip - x264 - AAC 5.1 - 400MB - ESubs].mkv : @MP_TamilRockers : @MP_PahePsa : @MP_TvSeriez : @MP_HEVCMovies : @rgpview : @MP_Moviestuff : @movie_worldmwkv Step-by-step explanation: Welcome !! Thugs√clanJoin and Clash. Use english or tanglish .Use both attacks in War. Obey leader and Co leader. Happie CLASHING..

4.

Find the orthogonal trajection of the family of cardiods r=a(1+sin))

Answer»

Answer:

❤ Soorarai Pottru (2020) [TAMIL - HQ HDRip - x264 - AAC 5.1 - 400MB - ESubs].mkv

: @MP_TamilRockers

: @MP_PahePsa

: @MP_TvSeriez

: @MP_HEVCMovies

: @rgpview

: @MP_Moviestuff

: @movie_worldmwkv

Step-by-step explanation:

Welcome !! Thugs√clanJoin and Clash. Use english or tanglish .Use both attacks in War. Obey leader and Co leader. Happie CLASHING..

Discussion

5.	Divide f(x)=9x⁴-4x²+4 by g(x) =3x²+x-1, find the quotient and remainder
Answer» ANSWER: I HOPE it's HELP you

5.

Divide f(x)=9x⁴-4x²+4 by g(x) =3x²+x-1, find the quotient and remainder

Answer»

ANSWER:

I HOPE it's HELP you

Discussion

6.	If A=(1,2,4 )and if relation R is definedby if (x-y) is divisible by 3 write R as a set of pairs
Answer» Answer: TAN tan tan tan tan tan tan tan iimother find Step-by-step explanation: DOMA DAMA dama duraki duraki I am from Venus in my PLANET very hot so I came here I like this PLACE

6.

If A=(1,2,4 )and if relation R is definedby if (x-y) is divisible by 3 write R as a set of pairs

Answer»

Answer:

TAN tan tan tan tan tan tan tan iimother find

Step-by-step explanation:

DOMA DAMA dama duraki duraki I am from Venus in my PLANET very hot so I came here I like this PLACE

Discussion

7.	Question 16a) Evaluate :(4 sin 30° 2 cos 60°sin 90° 2 cos 0°6 77 6
Answer» Answer: 4442541duvcsd Step-by-step EXPLANATION: PLEASE FOLLOW me

7.

Question 16a) Evaluate :(4 sin 30° 2 cos 60°sin 90° 2 cos 0°6 77 6

Answer»

Answer:

4442541duvcsd

Step-by-step EXPLANATION:

PLEASE FOLLOW me

Discussion

8.	Drawn a line sigment of length7. 8 cm and divide it in the ratio5. 8 measure the two parts .
Answer» Arya says: we can't DRAW LINE SEGMENTS in SCREEN TOUCH phone it's true....

8.

Drawn a line sigment of length7. 8 cm and divide it in the ratio5. 8 measure the two parts .

Answer»

Arya says:

we can't DRAW LINE SEGMENTS in SCREEN TOUCH phone

it's true....

Discussion

9.	Find the compound interest and amount for P=1,00,000 R=15% ,T=3 years
Answer» ANSWER: The COMPOUND interest is 15,000 in 3 years Step-by-step explanation: Simple Interest I= 100 PNR Here for FIRST year, P=Rs.15,000 N=1 year R=6 % So, Interest at the END of 1ST year I= 100 15,000×1×6 =Rs.900 And for second year, P=Rs.15,000+Rs.900=Rs.15,900 N=1 year R=8% I= 100 15,900×1×8 =Rs.1272 And, for third year, P=Rs.15,900+Rs.1,272=Rs.17,172 N=1 year R=10% I= 100 17,172×1×10 =Rs.1,717.2 So, total interest =Rs.900+Rs.1,272+Rs.1,717.2=Rs.3,889.20

9.

Find the compound interest and amount for P=1,00,000 R=15% ,T=3 years

Answer»

ANSWER:

The COMPOUND interest is 15,000 in 3 years

Step-by-step explanation:

Simple Interest I=

100

PNR

Here for FIRST year,

P=Rs.15,000

N=1 year

R=6 %

So, Interest at the END of 1ST year I=

100

15,000×1×6

=Rs.900

And for second year,

P=Rs.15,000+Rs.900=Rs.15,900

N=1 year

R=8%

I=

100

15,900×1×8

=Rs.1272

And, for third year,

P=Rs.15,900+Rs.1,272=Rs.17,172

N=1 year

R=10%

I=

100

17,172×1×10

=Rs.1,717.2

So, total interest =Rs.900+Rs.1,272+Rs.1,717.2=Rs.3,889.20

Discussion

10.	The marks obtained by 100 students a exam aregiven belowNo. ofMarks : 30-35 35-40 40-45 45-50 50-55 55-60 60-6514 16 28 23 188 3find the mean marks of the students.
Answer» ANSWER: hope it's help you to find the answer Step-by-step explanation: The Kendriya Vidyalaya Sangathan is a system of premier central government schools in India that are instituted under the aegis of the MINISTRY of Education (MHRD), Government of India. As of October 2020, it has a total of 1239 schools. It is one of the world’s largest chains of schools. The system came into being in 1963 under the name ‘Central Schools’. Later, the name was changed to Kendriya Vidyalaya. It is a non profit organisation. Its schools are all affiliated to the Central Board of Secondary Education (CBSE). The objective of KVS is to cater to the educational needs of the children of transferable Central Government employees including Defence and Para-Military personnel by providing a common programme of education. Commissioner of Regional office Jaipur preapare a table of the MARKS obtained of 100 students which is given below Marks obtained 0-20 20-30 30-40 40-50 50-60 Number of students 15 18 21 29 p He was told that mean marks of a student is 53. (i) How many students got marks between 80-100? (a) 21 (b) 38 (c) 17 (d) 26 (ii) What is the lower limit of model CLASS ? (a) 20 (b) 40 (c) 60 (d) 80 (iii) What is the value of model marks ? (a) 58 (b) 62 (c) 65 (d) 68 (iv) What is the value of median marks ? (a) 58 (b) 62 (c) 65 (d) 72 (v) What is the upper limit of median class ? (a) 20 (b) 40 (c) 60 (d) 80

10.

The marks obtained by 100 students a exam aregiven belowNo. ofMarks : 30-35 35-40 40-45 45-50 50-55 55-60 60-6514 16 28 23 188 3find the mean marks of the students.

Answer»

ANSWER:

hope it's help you to find the answer

Step-by-step explanation:

The Kendriya Vidyalaya Sangathan is a system of premier central government schools in India that are instituted

under the aegis of the MINISTRY of Education (MHRD), Government of India. As of October 2020, it has a total of 1239

schools. It is one of the world’s largest chains of schools. The system came into being in 1963 under the name

‘Central Schools’. Later, the name was changed to Kendriya Vidyalaya. It is a non profit organisation. Its schools are

all affiliated to the Central Board of Secondary Education (CBSE). The objective of KVS is to cater to the educational

needs of the children of transferable Central Government employees including Defence and Para-Military personnel

by providing a common programme of education.

Commissioner of Regional office Jaipur preapare a table of the MARKS obtained of 100 students which is given below

Marks obtained 0-20 20-30 30-40 40-50 50-60

Number of

students

15 18 21 29 p

He was told that mean marks of a student is 53.

(i) How many students got marks between 80-100?

(a) 21 (b) 38 (c) 17 (d) 26

(ii) What is the lower limit of model CLASS ?

(a) 20 (b) 40 (c) 60 (d) 80

(iii) What is the value of model marks ?

(a) 58 (b) 62 (c) 65 (d) 68

(iv) What is the value of median marks ?

(a) 58 (b) 62 (c) 65 (d) 72

(v) What is the upper limit of median class ?

(a) 20 (b) 40 (c) 60 (d) 80

Discussion

11.	If tan(a+b)=✓3 and tan a- b=1/✓3 0°
Answer» ANSWER: *This* is *the* *answer* ....

11.

If tan(a+b)=✓3 and tan a- b=1/✓3 0°

Answer»

ANSWER:

This is the answer ....

Discussion

12.	(i) How much white fabric is required?(a) 2640 sq. meter (b) 1914 sq. meter(c) 1320 sq. meter (d) 3828 sq. meter
Answer» ANSWER: (i) How much white fabric is required? (a) 2640 SQ. METER (B) 1914 sq. meter (C) 1320 sq. meter (d) 3828 sq. meter

12.

(i) How much white fabric is required?(a) 2640 sq. meter (b) 1914 sq. meter(c) 1320 sq. meter (d) 3828 sq. meter

Answer»

ANSWER:

(i) How much white fabric is required?

(a) 2640 SQ. METER

(B) 1914 sq. meter

(C) 1320 sq. meter

(d) 3828 sq. meter

Discussion

13.	A steel rod of 10mm diameter and 175 mm long subjected to a tensile load of 15KN.If W=2×10^5N/mm^2 . Calculate the change in length?
Answer» Answer: finished Costco STRUCTURAL emotion CHICAGO ONTARIO homework DOCUMENTATION specifically

13.

A steel rod of 10mm diameter and 175 mm long subjected to a tensile load of 15KN.If W=2×10^5N/mm^2 . Calculate the change in length?

Answer»

Answer:

finished Costco STRUCTURAL emotion CHICAGO ONTARIO homework DOCUMENTATION specifically

Discussion

14.	If i = √–1, then 4√–1 = _____
Answer» Answer: CONSIDER the following statements, establish the CAUSE and effect relationship and choose the correct answer from the given options I. In the post 1981, the growth rate of country’s population THOUGH remained high, has started slowing down gradually. II. A DOWNWARD trend of crude birth rate is held RESPONSIBLE for such a population growth. Options- a. Only statement I is true b. Only statement II is true c. Both the statements are true and statement II presents the valid cause for statement I Q7 Q8 d. Both the statement are irrelevant

14.

If i = √–1, then 4√–1 = _____

Answer»

Answer:

CONSIDER the following statements, establish the CAUSE and effect relationship and choose the correct answer from the given options

I. In the post 1981, the growth rate of country’s population THOUGH remained high, has started slowing down gradually.

II. A DOWNWARD trend of crude birth rate is held RESPONSIBLE for such a

population growth. Options-

a. Only statement I is true

b. Only statement II is true

c. Both the statements are true and statement II presents the valid cause for statement I

Q7 Q8

d. Both the statement are irrelevant

Discussion

15.	Using the substitution u = 5^x, or otherwise, solve5^2x+1 = 7(5^x)-2.
Answer» Step-by-step EXPLANATION: vgkgkgkhkgkkgkgkgkgrulGgfkupeyaittowyostostsotos

15.

Using the substitution u = 5^x, or otherwise, solve5^2x+1 = 7(5^x)-2.

Answer»

Step-by-step EXPLANATION:

vgkgkgkhkgkkgkgkgkgrulGgfkupeyaittowyostostsotos

Discussion

16.	Find a quadratic polynomial whose zeroes are -3 and 2answer quick
Answer» ANSWER: x²-3x+2 is EQUATION of ZEROES of POLYNOMIAL

16.

Find a quadratic polynomial whose zeroes are -3 and 2answer quick

Answer»

ANSWER:

x²-3x+2 is EQUATION of ZEROES of POLYNOMIAL

Discussion

17.	- The roster form of A = {x: x= 3p +1,where pe N and p
Answer» haidnxhdbxnxindjcjbdksl, bbsdbbkhddzxbjkjvv gfxjiyfcbnkhff gdjm

Discussion

18.	Group of crpf troop with 468 soliders behind 228 member of bikers1.what is the maximum no. of coloum in which crpf troops can marcha. 4 b. 8 c. 12 d. 16
Answer» ANSWER: 12 is the RIGHT answer....

18.

Group of crpf troop with 468 soliders behind 228 member of bikers1.what is the maximum no. of coloum in which crpf troops can marcha. 4 b. 8 c. 12 d. 16

Answer»

ANSWER:

12 is the RIGHT answer....

Discussion

19.	Two pillars of height 70 m 20 m are standing 120m apart find distance between their tops
Answer» Step-by-step EXPLANATION: Two pillars of HEIGHT 70m and 20 m are standing apart . If distance between their feet is 120m , the distance between their tops is 130 m Step-by-step explanation: The distance between the pillars = 120 m The difference in the height of the pillars = 70 - 20 = 50 m Let the distance between their tops be x The by PYTHAGORAS Theorem x^2=120^2+50^2x 2 =120 2 +50 2 \implies x^2=14400+2500⟹x 2 =14400+2500 \implies x^2=16900⟹x 2 =16900 \implies x^2=169\times 100⟹x 2 =169×100 \implies x=\sqrt{169\times 100}⟹x= 169×100 \implies x=13\times 10⟹x=13×10 \implies x=130⟹x=130 m Hope this HELPS.

19.

Two pillars of height 70 m 20 m are standing 120m apart find distance between their tops

Answer»

Step-by-step EXPLANATION:

Two pillars of HEIGHT 70m and 20 m are standing apart . If distance between their feet is 120m , the distance between their tops is 130 m

Step-by-step explanation:

The distance between the pillars = 120 m

The difference in the height of the pillars = 70 - 20 = 50 m

Let the distance between their tops be x

The by PYTHAGORAS Theorem

x^2=120^2+50^2x

2

=120

2

+50

2

\implies x^2=14400+2500⟹x

2

=14400+2500

\implies x^2=16900⟹x

2

=16900

\implies x^2=169\times 100⟹x

2

=169×100

\implies x=\sqrt{169\times 100}⟹x=

169×100

\implies x=13\times 10⟹x=13×10

\implies x=130⟹x=130 m

Hope this HELPS.

Discussion

20.	TheQ. If the ratio of corresponding sides of tthe two similar triangle 2:3 then what will beratio of their con correspondingbases ?
Answer» Answer: the Q. If the ratio of corresponding sides of tthe two similar TRIANGLE 2:3 then what will be ratio of their con corresponding bases ?

20.

TheQ. If the ratio of corresponding sides of tthe two similar triangle 2:3 then what will beratio of their con correspondingbases ?

Answer»

Answer:

the

Q. If the ratio of corresponding sides of tthe two similar TRIANGLE 2:3 then what will be

ratio of their con corresponding

bases ?

Discussion

21.	Find the ratio of rupees 5 to 50 paise
Answer» Answer: 10:1 Step-by-step EXPLANATION:

21.

Find the ratio of rupees 5 to 50 paise

Answer»

Answer:

10:1

Step-by-step EXPLANATION:

Discussion

22.	Find the hcf by long division method 422 345
Answer» ANSWER: Answer is 1 l HOPE it is HELPFUL you then FOLLOW me

22.

Find the hcf by long division method 422 345

Answer»

ANSWER:

Answer is 1

l HOPE it is HELPFUL you

then FOLLOW me

Discussion

23.	Simplify:2x^2+5x-3/2x^2-18
Answer» ANSWER: $2x^2+5x-3/2x^2-18$

23.

Simplify:2x^2+5x-3/2x^2-18

Answer»

ANSWER:

$2x^2+5x-3/2x^2-18$

Discussion

24.	What least number must be subtracted from 1046 to make it a perfect square
Answer» Step-by-step EXPLANATION: JOIN this MEETING xja-asok-juy......

24.

What least number must be subtracted from 1046 to make it a perfect square

Answer»

Step-by-step EXPLANATION:

JOIN this MEETING xja-asok-juy......

Discussion

25.	26. Express 6h:4800sec in simplest form
Answer» Answer: 9:2 is the CORRECT PROPORTION

25.

26. Express 6h:4800sec in simplest form

Answer»

Answer:

9:2 is the CORRECT PROPORTION

Discussion

26.	One of triangle is 50 degree and other two angle or you can find the measure of x
Answer» ANSWER: We KNOW that, 50+x+x=180, 2x+50=180, 2x=180-50, 2x=130, x=65

26.

One of triangle is 50 degree and other two angle or you can find the measure of x

Answer»

ANSWER:

We KNOW that,

50+x+x=180,

2x+50=180,

2x=180-50,

2x=130,

x=65

Discussion

27.	18. Case study-2.1x4=4The following pie-chart represents the marks scored by students. If heobtained 540 as total marks, answer the following questions:MathsEnglish90 607055Hindi65SocalscienceSciencea. In which subject did the student score 120 marks?(1) Hindi(111) Mathematics(ii) English(iv) Scienceb. What is the difference in the marks obtained in Maths and English?(i) 20 Marks.(111) 25 Marks.(11) 30 Marks(iv) 10 Marksc. In which subject did he get minimum marks?(i) Hindi(111) Social(11) Science(iv) English
Answer» ANSWER: pie chart is not given or INBOX me I will HELP u out mark as BRAINLIST pls

27.

18. Case study-2.1x4=4The following pie-chart represents the marks scored by students. If heobtained 540 as total marks, answer the following questions:MathsEnglish90 607055Hindi65SocalscienceSciencea. In which subject did the student score 120 marks?(1) Hindi(111) Mathematics(ii) English(iv) Scienceb. What is the difference in the marks obtained in Maths and English?(i) 20 Marks.(111) 25 Marks.(11) 30 Marks(iv) 10 Marksc. In which subject did he get minimum marks?(i) Hindi(111) Social(11) Science(iv) English

Answer»

ANSWER:

pie chart is not given

or INBOX me I will HELP u out

mark as BRAINLIST pls

Discussion

28.	(9×+7)+ (5×+3)if a and b are two supplementary angles find value of x
Answer» the ANSWER =9x+7+5x+3=180

Discussion

29.	2x+3y=5x -3y=-2plz substitute and say me solution
Answer» Step-by-step explanation: 2x+3Y=5 x-3y=-2 -------------- x=3 +3y and -3y is CANCELLED DUE to DIFFERENT SIGNS

29.

2x+3y=5x -3y=-2plz substitute and say me solution

Answer»

Step-by-step explanation:

2x+3Y=5

x-3y=-2

--------------

x=3

+3y and -3y is CANCELLED DUE to DIFFERENT SIGNS

Discussion

30.	E. a How many degree arothere in 3/5 of 100degree
Answer» Answer: 60 degrees Step-by-step explanation: 3 /5 × 100°= 3× 20 = 60°

30.

E. a How many degree arothere in 3/5 of 100degree

Answer»

Answer:

60 degrees

Step-by-step explanation:

3 /5 × 100°= 3× 20 = 60°

Discussion

31.	If i = √–1, then 10 – √–49 = _____
Answer» ANSWER: ( √ 49 + 20 √ 6 ) √ a √ a √ a ... ∞ + ( 5 − 2 √ 6 ) x 2 + x − 3 − √ x √ x √ x ... ∞ = 10 Step-by-step EXPLANATION:

31.

If i = √–1, then 10 – √–49 = _____

Answer»

ANSWER:

(

√

49

+

20

√

6

)

√

a

√

a

√

a

...

∞

+

(

5

−

2

√

6

)

x

2

+

x

−

3

−

√

x

√

x

√

x

...

∞

=

10

Step-by-step EXPLANATION:

Discussion

32.	The smallest unit of length is
Answer» MILIMETER is the SMALLEST UNIT of length. Hope it will be HELPFUL (☆▽☆)

32.

The smallest unit of length is

Answer»

MILIMETER is the SMALLEST UNIT of length.

Hope it will be HELPFUL (☆▽☆)

Discussion

33.	Please answerplease
Answer» THANKS for the FREE POINTS

Discussion

34.	Solve 3x+4y=10 and 2x-2y=2
Answer» Step-by-step EXPLANATION: x=2,y=1 is ANSWER....

34.

Solve 3x+4y=10 and 2x-2y=2

Answer»

Step-by-step EXPLANATION:

x=2,y=1 is ANSWER....

Discussion

35.	Point has a size because we can see it as a thick dot on paper true/ false
Answer» point has a SIZE because we can SEE it as a THICK dot on paper - FALSE Solution: Point Does not have any length , WIDTH , or thick ness A point in GEOMETRY is represented by a dot. point is dimensionless point does not have any size Point Properties No length , No width , No thickness No area , no volume बिंदु का इस्तेमाल इसलिए किया गया ताकि किसी भी स्थान का सटीक पता चल सके बिंदु एक स्थिति है जिसकी कोई लंबाई, चौड़ाई और मोटाई नहीं होती है। बिंदु की विशेषताएँ लम्बाई शून्य होती है। चौड़ाई शून्य होती है। क्षेत्रफल शून्य होता है। आयतन शून्य होता है। बिंदु की विमायें शून्य बिंदु एक स्थिति है जिसकी कोई लंबाई, चौड़ाई और मोटाई नहीं होती है। Point does not have any length , width or thickness point has a size because we can see it as a thick dot on paper - FALSE Learn More: बिन्दु' एक स्थिति है जिसकी कोई brainly.in/question/34693489 brainly.in/question/34765187

35.

Point has a size because we can see it as a thick dot on paper true/ false

Answer»

point has a SIZE because we can SEE it as a THICK dot on paper - FALSE

Solution:

Point Does not have any length , WIDTH , or thick ness

A point in GEOMETRY is represented by a dot.

point is dimensionless

point does not have any size

Point Properties

No length , No width , No thickness

No area , no volume

बिंदु का इस्तेमाल इसलिए किया गया ताकि किसी भी स्थान का सटीक पता चल सके

बिंदु एक स्थिति है जिसकी कोई लंबाई, चौड़ाई और मोटाई नहीं होती है।

बिंदु की विशेषताएँ

लम्बाई शून्य होती है।

चौड़ाई शून्य होती है।

क्षेत्रफल शून्य होता है।

आयतन शून्य होता है।

बिंदु की विमायें शून्य

बिंदु एक स्थिति है जिसकी कोई लंबाई, चौड़ाई और मोटाई नहीं होती है।

Point does not have any length , width or thickness

point has a size because we can see it as a thick dot on paper - FALSE

Learn More:

बिन्दु' एक स्थिति है जिसकी कोई

brainly.in/question/34693489

brainly.in/question/34765187

Discussion

36.	Find the number if 18 is taken away from 6 times of a number is 30
Answer» ANSWER: let the number be x 6X - 18 =30 therefore 6x = 30+18 6x =48 x = 48 /6 x=8 therefore the number is 8 PLS mark me as brainliest

36.

Find the number if 18 is taken away from 6 times of a number is 30

Answer»

ANSWER:

let the number be x

6X - 18 =30

therefore 6x = 30+18

6x =48

x = 48 /6

x=8

therefore the number is 8

PLS mark me as brainliest

Discussion

37.	449.Which of the following fractions are equivalent fractions?a.36b.5VIN.8147. 7C.46d.57nia5 544
Answer» first mark me as BRAIN list and FOLLOW me Step-by-step EXPLANATION: ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

37.

449.Which of the following fractions are equivalent fractions?a.36b.5VIN.8147. 7C.46d.57nia5 544

Answer»

first mark me as BRAIN list and FOLLOW me

Step-by-step EXPLANATION:

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

Discussion

38.	. Evaluate:- sin 75
Answer» ANSWER: all the BEST in PROJECT Step-by-step EXPLANATION: all the best in project

38.

. Evaluate:- sin 75

Answer»

ANSWER:

all the BEST in PROJECT

Step-by-step EXPLANATION:

all the best in project

Discussion

39.	Simplify the Expression:(root 7+root 5)^2
Answer» Step-by-step EXPLANATION: (a+b)^2=a^2+2ab+b^2 Ans : 7+2×root35+5 =12+root140

39.

Simplify the Expression:(root 7+root 5)^2

Answer»

Step-by-step EXPLANATION:

(a+b)^2=a^2+2ab+b^2

Ans : 7+2×root35+5

=12+root140

Discussion

40.	If i = √–1, then √–25 = _____
Answer» I can't be √-1 because this is an ERROR DIGIT PLEASE check your Ques again

Discussion

41.	Iv. The coordinates of the midpoint of the line segment joining the points (1-a, -2a) and ( 2a-2, a+1) are – (a) (a-1, 1-a) (b) (2a-1, 1-2a) (c) (a+3, -3a+1) (d) (a+1, 2a+1 )
Answer» ANSWER: hy Step-by-step EXPLANATION: THANKS for FREE POINTS

41.

Iv. The coordinates of the midpoint of the line segment joining the points (1-a, -2a) and ( 2a-2, a+1) are – (a) (a-1, 1-a) (b) (2a-1, 1-2a) (c) (a+3, -3a+1) (d) (a+1, 2a+1 )

Answer»

ANSWER:

hy

Step-by-step EXPLANATION:

THANKS for FREE POINTS

Discussion

42.	List 4 rational numbers between -2 and -1
Answer» ANSWER: -19/10, -18/10 ,-17/10 ,-16/10.....-10/10 Step-by-step EXPLANATION: -2×10/10 , -1×10/10 -20/10 ,-10/10 -19/10 ,-18/10 ,-17/10 ,-16/10 ,-15/10.......-10/10 may be it is HELPFUL to U

42.

List 4 rational numbers between -2 and -1

Answer»

ANSWER: -19/10, -18/10 ,-17/10 ,-16/10.....-10/10

Step-by-step EXPLANATION:

-2×10/10 , -1×10/10

-20/10 ,-10/10

-19/10 ,-18/10 ,-17/10 ,-16/10 ,-15/10.......-10/10

may be it is HELPFUL to U

Discussion

43.	Plz solve the above all questions..
Answer» ANSWER: SORRY I FORGOT this... FOLLOW me

43.

Plz solve the above all questions..

Answer»

ANSWER:

SORRY I FORGOT this...

FOLLOW me

Discussion

44.	For what value of m the product of the roots x²+21x+(m+8)=0 is 13
Answer» Answer: BATA PEHELE WALE answer ka reply KAR

44.

For what value of m the product of the roots x²+21x+(m+8)=0 is 13

Answer»

Answer:

BATA PEHELE WALE answer ka reply KAR

Discussion

45.	72% of 50 students like to study science.How many students do not like to stucty science?
Answer» 100% (full class) - 72% (LIKES science) = 28% (No science) => 100 % is 50 students => 1% is 0.5 students (assume it) => 28% (does not LIKE science) = 0.5 X 28 = 14. ANSWER:14

45.

72% of 50 students like to study science.How many students do not like to stucty science?

Answer»

100% (full class) - 72% (LIKES science) = 28% (No science)

=> 100 % is 50 students

=> 1% is 0.5 students (assume it)

=> 28% (does not LIKE science) = 0.5 X 28 = 14.

ANSWER:14

Discussion

46.	A data has 19 observations arranged in ascending order. Which observation represents the median?
Answer» Answer: 10th OBSERVATION are REPRESENT the MEDIAN

46.

A data has 19 observations arranged in ascending order. Which observation represents the median?

Answer»

Answer:

10th OBSERVATION are REPRESENT the MEDIAN

Discussion

47.	Sum of the first n terms -l plss say dont spam Ii will report
Answer» $\huge \sf {\orange {\underline {\pink {\underline { Answer᭄ \ :- }}}}}$ $\sf\purple{➛}$ The sum of n TERMS of AP is the sum(ADDITION) of first n terms of the ARITHMETIC sequence. It is equal to n divided by 2 times the sum of twice the first term – 'a' and the product of the DIFFERENCE between second and first term-'d' also known as common difference, and (n-1), where n is numbers of terms to be added. $\underline{\red{\sf{\blue\:Thank \ чou ♡ }}}$

47.

Sum of the first n terms -l plss say dont spam Ii will report

Answer»

$\huge \sf {\orange {\underline {\pink {\underline { Answer᭄ \ :- }}}}}$

$\sf\purple{➛}$ The sum of n TERMS of AP is the sum(ADDITION) of first n terms of the ARITHMETIC sequence. It is equal to n divided by 2 times the sum of twice the first term – 'a' and the product of the DIFFERENCE between second and first term-'d' also known as common difference, and (n-1), where n is numbers of terms to be added.

$\underline{\red{\sf{\blue\:Thank \ чou ♡ }}}$

Discussion

48.	Solvethefollowingequations: 8x-3y=125x-2y=7
Answer» ANSWER: x=3 y=4 Step-by-step explanation equation first 8x-3y=12 equation SECOND 5x-2y=7 Multiplying equation first by 2 and second by 3 Now we GET equation first as 16x-6y=24 and equation second as 15x-6y=21 Now SUBTRACTING equation first by second and we get VALUE of x as 3. Now substitute value of x in equation second and we get y=4

48.

Solvethefollowingequations: 8x-3y=125x-2y=7

Answer»

ANSWER:

x=3 y=4

Step-by-step explanation

equation first 8x-3y=12

equation SECOND 5x-2y=7

Multiplying equation first by 2 and second by 3

Now we GET

equation first as 16x-6y=24

and equation second as 15x-6y=21

Now SUBTRACTING equation first by second and we get VALUE of x as 3.

Now substitute value of x in equation second and we get y=4

Discussion

49.	What is Rotational Mechanics ?
Answer» $\huge{\boxed{\underline{\frak{\red{Answer♡}}}}}$ An object at REST tends to remain at rest and an object in rotation tends to CONTINUE rotating with CONSTANT angular velocity unless compelled by a net external torque to act otherwise. angular acceleration is directly PROPORTIONAL to net torque and inversely proportional to MOMENT of inertia or ∑τ = Iα For every action there is an equal and opposite reaction. (Here action and reaction refer to torques. ♥️

49.

What is Rotational Mechanics ?

Answer»

$\huge{\boxed{\underline{\frak{\red{Answer♡}}}}}$

An object at REST tends to remain at rest and an object in rotation tends to CONTINUE rotating with CONSTANT angular velocity unless compelled by a net external torque to act otherwise.
angular acceleration is directly PROPORTIONAL to net torque and inversely proportional to MOMENT of inertia or
∑τ = Iα
For every action there is an equal and opposite reaction. (Here action and reaction refer to torques.

♥️

Discussion

50.	7.The fraction equivalent to having numerator 6 is66a.b.14216C.d.28
Answer» ANSWER: a :6 Step-by-step EXPLANATION: This is TRUE for numerrator

50.

7.The fraction equivalent to having numerator 6 is66a.b.14216C.d.28

Answer»

ANSWER:

a :6

Step-by-step EXPLANATION:

This is TRUE for numerrator

Discussion

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