332354 + Interview Questions in Secondary School in Math

1.	Find the hcf of 144 and 190
Answer» ANSWER: Step-by-step EXPLANATION: The ghcf of 144 and 190 is 2.

1.

Find the hcf of 144 and 190

Answer»

ANSWER:

Step-by-step EXPLANATION:

The ghcf of 144 and 190 is 2.

Discussion

2.	A PS4 is on for sale at a tenth of its original price. It usually costs £450.90. How much is it at the sales? *
Answer» Answer: 45.090 Hope you are SATISFIED adnnoor95. Please MARK BRAINLIEST if you LIKE it.

2.

A PS4 is on for sale at a tenth of its original price. It usually costs £450.90. How much is it at the sales? *

Answer»

Answer:

45.090

Hope you are SATISFIED adnnoor95.

Please MARK BRAINLIEST if you LIKE it.

Discussion

3.	Is Objective Mathematics by RD Sharma and the set of Cengage of 5 books is sufficient for JEE Mains and JEE Advanced.IIT JEE Mathematics.
Answer» ANSWER: No it's not SUFFICIENT

3.

Is Objective Mathematics by RD Sharma and the set of Cengage of 5 books is sufficient for JEE Mains and JEE Advanced.IIT JEE Mathematics.

Answer»

ANSWER:

No it's not SUFFICIENT

Discussion

4.	The first term of an arithmetic sequence is 7 and the sixth term is 22. Find(a) The common difference;(b) The twelfth term;(c) The sum of the first 100 terms.
Answer» ANSWER: (a) 3 (b) 40 (C) 15,550 Step-by-step EXPLANATION: (a) Given a = 7 term-6 i.e. a+5d=22 put a=7 in a+5d i.e. a+7d=22 7+5d=22 5d=15 d=3. (b) term - 12 = a+11d i.e. 7+11(3) = 7+33 =40. (c) S sub 100 = 100/2 [2(7)+ {100-1}3] = 50 [14+{99(3)} =50 {14+297} =50 {311} =15,550

4.

The first term of an arithmetic sequence is 7 and the sixth term is 22. Find(a) The common difference;(b) The twelfth term;(c) The sum of the first 100 terms.

Answer»

ANSWER:

(a) 3

(b) 40

(C) 15,550

Step-by-step EXPLANATION:

(a) Given a = 7

term-6 i.e. a+5d=22

put a=7 in a+5d

i.e. a+7d=22

7+5d=22

5d=15

d=3.

(b) term - 12 = a+11d

i.e. 7+11(3)

= 7+33

=40.

(c) S sub 100 = 100/2 [2(7)+ {100-1}3]

= 50 [14+{99(3)}

=50 {14+297}

=50 {311}

=15,550

Discussion

5.	Surface of a sphere and cube is equal then find the ratio of their volume
Answer» ANSWER: The surface area of a sphere, of RADIUS r = 4(PI)r^2. VOLUME of the sphere = (4/3)(22/7)r^3 = 4.19047619 r^3. HENCE the ratio of volumes of the cube to that of the sphere =3.032844003 r^3 : 4.19047619 r^3 or 1:1.38169856 say 1:1.38.

5.

Surface of a sphere and cube is equal then find the ratio of their volume

Answer»

ANSWER:

The surface area of a sphere, of RADIUS r = 4(PI)r^2. VOLUME of the sphere = (4/3)(22/7)r^3 = 4.19047619 r^3. HENCE the ratio of volumes of the cube to that of the sphere =3.032844003 r^3 : 4.19047619 r^3 or 1:1.38169856 say 1:1.38.

Discussion

6.	Plz solve it fast.............
Answer» Answer: 1901 Step-by-step EXPLANATION:

6.

Plz solve it fast.............

Answer»

Answer:

1901

Step-by-step EXPLANATION:

Discussion

7.	Solve (410^4) + (3.210^-19) in steps
Answer» Step-by-step EXPLANATION: Example: CONVERT 357,096 to Scientific Notation Move the decimal 5 places to the left to get 3.57096. a = 3.57096. We MOVED the decimal to the left so b is positive. b = 5. The NUMBER 357,096 converted to scientific notation is 3.57096 x 10^5.

7.

Solve (410^4) + (3.210^-19) in steps

Answer»

Step-by-step EXPLANATION:

Example: CONVERT 357,096 to Scientific Notation

Move the decimal 5 places to the left to get 3.57096.

a = 3.57096.

We MOVED the decimal to the left so b is positive.

b = 5.

The NUMBER 357,096 converted to scientific notation is 3.57096 x 10^5.

Discussion

8.	10. A chalk box is 5/6 th full of its capacity. 5 chalks were taken out by a teacher andchalks were put inside it by a student. If it is 4/5th full now, how many chalks the boxcontained when it was full?(b) 80(c) 72(d) can't be determined(a) 90
Answer» I GUESS the ANSWER IS90

Discussion

9.	A bag contains 15 red balls , 13 blue balls and 12 pink balls. a ball is drawn at random . find the probability that the ball drawn is1) a pink ball 2) non blue ball 3) a blue or pink ball4) an orange ball
Answer» ANSWER: PINK BALL= 14/40 non BLUE ball 1-13/40 a blue or pink ball=13+12/40 = 25/40=5/8 an ORANGE ball=0/40

9.

A bag contains 15 red balls , 13 blue balls and 12 pink balls. a ball is drawn at random . find the probability that the ball drawn is1) a pink ball 2) non blue ball 3) a blue or pink ball4) an orange ball

Answer»

ANSWER:

PINK BALL= 14/40

non BLUE ball 1-13/40

a blue or pink ball=13+12/40 = 25/40=5/8

an ORANGE ball=0/40

Discussion

10.	Surface area of a sphere and cube are equal. Then find the ratio of their volumes.
Answer» ANSWER: √pi=√6 Step-by-step EXPLANATION:

10.

Surface area of a sphere and cube are equal. Then find the ratio of their volumes.

Answer»

ANSWER:

√pi=√6

Step-by-step EXPLANATION:

Discussion

11.	Find out the missing number from the given options,201604809624Options: 860,1140,2880,3240
Answer» Answer: 2880 Step-by-step explanation: MARK brainliest you can do LCM of the NUMBER which will show you the missing number

11.

Find out the missing number from the given options,201604809624Options: 860,1140,2880,3240

Answer»

Answer:

2880

Step-by-step explanation:

MARK brainliest

you can do LCM of the NUMBER which will show you the missing number

Discussion

12.	The cost of one-metre wire is AED 5/21. Find the cost of 21 metres of wire.
Answer» Answer: hey mate.. your answer:. HOPE this helps. please MARK me as the BRAINLIEST

12.

The cost of one-metre wire is AED 5/21. Find the cost of 21 metres of wire.

Answer»

Answer:

hey mate.. your answer:.

HOPE this helps.

please MARK me as the BRAINLIEST

Discussion

13.	चैरसाची बाजू 2.8 मीटर आहे तर त्याचे क्षेत्रफळ किती
Answer» Step-by-step EXPLANATION: चौरसाचे क्षेत्रफल = बाजूचा वरग = 2.8^2 = 7.84मिटर वरग

13.

चैरसाची बाजू 2.8 मीटर आहे तर त्याचे क्षेत्रफळ किती

Answer»

Step-by-step EXPLANATION:

चौरसाचे क्षेत्रफल = बाजूचा वरग

= 2.8^2

= 7.84मिटर वरग

Discussion

14.	Calculate the length of the altitude of an equilateral triangle of side "a".
Answer» ANSWER: the LENGTH of the the ALTITUDE with SIDE a is √3/2a

14.

Calculate the length of the altitude of an equilateral triangle of side "a".

Answer»

ANSWER:

the LENGTH of the the ALTITUDE with SIDE a is √3/2a

Discussion

15.	Solve for y.py+7=6y+qPLEASE HURRY!
Answer» Step-by-step EXPLANATION: HOPE this WOULD HELP you

15.

Solve for y.py+7=6y+qPLEASE HURRY!

Answer»

Step-by-step EXPLANATION:

HOPE this WOULD HELP you

Discussion

16.	Determine wheather (x-2) is a factor of x cube - 3x square + 4x - 4
Answer» If (x-2) is a FACTOR of the given polynomial, then we must get the value of the polynomial as 0, if we substitute 2 in PLACE of x. Let $p(x) = x^3-3x^2+4x+4$ $p(2) = 2^3-3(2^2)+4(2)-4$ $= 8 - 12+8-4$ $= 16-16 = 0$ HENCE (x-2) is a factor of the given polynomial

16.

Determine wheather (x-2) is a factor of x cube - 3x square + 4x - 4

Answer»

If (x-2) is a FACTOR of the given polynomial, then we must get the value of the polynomial as 0, if we substitute 2 in PLACE of x.

Let

$p(x) = x^3-3x^2+4x+4$

$p(2) = 2^3-3(2^2)+4(2)-4$

$= 8 - 12+8-4$

$= 16-16 = 0$

HENCE (x-2) is a factor of the given polynomial

Discussion

17.	Choose the correct answer. Rational numbers are1.closure under division2.commutatuve under substractiom3.associative under additiom4.non
Answer» Step-by-step explanation: associative under addition is Ur ANSWER... Mark as BRAINLIST... Take Care... # Indians Fights Against Corona...

17.

Choose the correct answer. Rational numbers are1.closure under division2.commutatuve under substractiom3.associative under additiom4.non

Answer»

Step-by-step explanation:

associative under addition

is Ur ANSWER...

Mark as BRAINLIST...

Take Care...

# Indians Fights Against Corona...

Discussion

18.	X=6 , y=-43x + x/y - y²
Answer» Step-by-step EXPLANATION: $3x + \frac{x}{y} - y {}^{2} \\ = 3 \times 6 + \frac{6}{4} - {4}^{2} \\ = 18 + \frac{2}{3} - 16 \\ = 2 + \frac{ 2}{3} \\ = \frac{8}{3} = 2 \frac{2}{3} ans...$ !!❣️ HOPE it helps❣️!!

18.

X=6 , y=-43x + x/y - y²

Answer»

Step-by-step EXPLANATION:

$3x + \frac{x}{y} - y {}^{2} \\ = 3 \times 6 + \frac{6}{4} - {4}^{2} \\ = 18 + \frac{2}{3} - 16 \\ = 2 + \frac{ 2}{3} \\ = \frac{8}{3} = 2 \frac{2}{3} ans...$

!!❣️ HOPE it helps❣️!!

Discussion

19.	Form the greatest 4 digit number usingthese sets of digits.a. 0,3,2b. 4,5,3c. 8,9,0
Answer» ANSWER: HEY FRIEND here is your answer Step-by-step EXPLANATION: C. 8+9+0=17

19.

Form the greatest 4 digit number usingthese sets of digits.a. 0,3,2b. 4,5,3c. 8,9,0

Answer»

ANSWER:

HEY FRIEND here is your answer

Step-by-step EXPLANATION:

C. 8+9+0=17

Discussion

20.	Expand and simplify (1-2x)4
Answer» HEY MATE here is UR ANSWER = (1-2x)4=4-8x hope it HELPS. ☆☆☆

20.

Expand and simplify (1-2x)4

Answer»

HEY MATE here is UR ANSWER =

(1-2x)4=4-8x

hope it HELPS.

☆☆☆

Discussion

21.	If tan (A+B) = √3, tan (A - B) = 1 then tan 6 B =
Answer» ANSWER: HOPE this HELPS you.Mark me as BRAINLIEST

21.

If tan (A+B) = √3, tan (A - B) = 1 then tan 6 B =

Answer»

ANSWER:

HOPE this HELPS you.Mark me as BRAINLIEST

Discussion

22.	If A(-2,-1), B(a,0), C(4,b) and D(1,2) are the verticies of a parallelogram, find the values of a and b.
Answer» Answer: a = 1 & B = 3 See The Attachment My Friend..... Select My Answer Brainliest Only if It HELPS you.... Thank you so MUCH.....

22.

If A(-2,-1), B(a,0), C(4,b) and D(1,2) are the verticies of a parallelogram, find the values of a and b.

Answer»

Answer:

a = 1 & B = 3

See The Attachment My Friend.....

Select My Answer Brainliest Only if It HELPS you....

Thank you so MUCH.....

Discussion

23.	If the LCM of two numbers is 144 and their HCF is 24 such that one of the number is 48 then other number is
Answer» Answer: *Second NUMBER* = 72 Step-by-step EXPLANATION: *Given: LCM* = 144 *HCF* = 24. *One* *number* = 48 Second number = ? Let the second number be X. Now, LCM × HCF = Products of number. 144 × 24 = 48 × X X = 144× 24/48 X = 72. Hope it helps you**.

23.

If the LCM of two numbers is 144 and their HCF is 24 such that one of the number is 48 then other number is

Answer»

Answer:

Second NUMBER = 72

Step-by-step EXPLANATION:

Given:

LCM = 144

HCF = 24.

One number = 48

Second number = ?

Let the second number be X.

Now,

LCM × HCF = Products of number.

144 × 24 = 48 × X

X = 144× 24/48

X = 72.

Hope it helps you.

Discussion

24.	A bus decreases it's speed from 80km/h to 60km/h in 5 second. Find the acceleration of the bus.
Answer» REFER TO THE ATTACHMENT FOR THE ANSWER $\text{[math]}$ please MARK it as BRAINLIEST

24.

A bus decreases it's speed from 80km/h to 60km/h in 5 second. Find the acceleration of the bus.

Answer»

REFER TO THE ATTACHMENT FOR THE ANSWER

$\text{[math]}$ please MARK it as BRAINLIEST

Discussion

25.	Ascending order plz do it fast
Answer» Answer: 3/5×4/4=12/20 6/10×2/2=12/20 4/15 17/20 ans=6/10,3/5,17/20,4/15 Step-by-step EXPLANATION: it will HELP you ADD me in BRAIN LIST'

25.

Ascending order plz do it fast

Answer»

Answer:

3/5×4/4=12/20

6/10×2/2=12/20

4/15

17/20

ans=6/10,3/5,17/20,4/15

Step-by-step EXPLANATION:

it will HELP you ADD me in BRAIN LIST'

Discussion

26.	2 men 3 women can earn mobile $92 in a day find how much 5 men and 7 women will earn
Answer» ANSWER: GIVEN 2 men or 3 women earns 92$ or, 2men=3women or 1 men= 3/2 women or, 3 men = 92 or 1 men =92/3 5 men =92/3*5 465/3 =155$ HOPE it helps plz MARK me as brainliest

26.

2 men 3 women can earn mobile $92 in a day find how much 5 men and 7 women will earn

Answer»

ANSWER:

GIVEN 2 men or 3 women earns 92$

or, 2men=3women

or 1 men= 3/2 women

or, 3 men = 92

or 1 men =92/3

5 men =92/3*5

465/3 =155$

HOPE it helps

plz MARK me as brainliest

Discussion

27.	A quadratic polynomial whose zeroes are -4 and -5 is
Answer» Answer: X^2+X-20 is your polynomial Step-by-step explanation: Since -5 and 4 are ZEROES of the EQUATION THEREFORE (x+5) and (x-4) r the factors... now equation is (x+5)(x-4)=x^2+5x-4x-20=x^2+x-20 therefore the REQUIRED equation is x^2+x-20 Mark me as brainliest answer

27.

A quadratic polynomial whose zeroes are -4 and -5 is

Answer»

Answer:

X^2+X-20 is your polynomial

Step-by-step explanation:

Since -5 and 4 are ZEROES of the EQUATION THEREFORE (x+5) and (x-4) r the factors...

now equation is

(x+5)(x-4)=x^2+5x-4x-20=x^2+x-20

therefore the REQUIRED equation is x^2+x-20

Mark me as brainliest answer

Discussion

28.	Help me with this, please
Answer» Answer: it is very easy and simple the AREA of the first figure 42 the area of the second figure is 27 the area of the last figure 63 India I request you not to waste your POINTS in questioning this type of silly questions

28.

Help me with this, please

Answer»

Answer:

it is very easy and simple the AREA of the first figure 42 the area of the second figure is 27 the area of the last figure 63 India I request you not to waste your POINTS in questioning this type of silly questions

Discussion

29.	Calculate the sum of the first 50 terms of the sequence u1 = 124, u2 = 117, 3u = 110, u4 = 103, …
Answer» ANSWER: See The Attachment My FRIEND..... SELECT My Answer BRAINLIEST Only if It helps you.... Thank you so much.....

29.

Calculate the sum of the first 50 terms of the sequence u1 = 124, u2 = 117, 3u = 110, u4 = 103, …

Answer»

ANSWER:

See The Attachment My FRIEND.....

SELECT My Answer BRAINLIEST Only if It helps you....

Thank you so much.....

Discussion

30.	Complete the formula of loss
Answer» Answer: the FORMULA of LOSS is cost price -SELLING price

30.

Complete the formula of loss

Answer»

Answer:

the FORMULA of LOSS is cost price -SELLING price

Discussion

31.	Subtract thirty from six eights
Answer» 68-30= 38 HOPE IT WILL HELP YOU PLEASE MAKE MY ANSWER BRAINLEST

31.

Subtract thirty from six eights

Answer»

68-30= 38

HOPE IT WILL HELP YOU

PLEASE MAKE MY ANSWER BRAINLEST

Discussion

32.	Find the equation 3k+28=37
Answer» Answer: 3k+28=37 3k=37-28 3k=9 k=9/3 k=3

32.

Find the equation 3k+28=37

Answer»

Answer:

3k+28=37

3k=37-28

3k=9

k=9/3

k=3

Discussion

33.	Please help me with these questions
Answer» ANSWER: I have attached above the solution HOPE it helps PLS mark as BRAINLIEST answer follow me on BRAINLY

33.

Please help me with these questions

Answer»

ANSWER:

I have attached above the solution

HOPE it helps

PLS mark as BRAINLIEST answer

follow me on BRAINLY

Discussion

34.	Write the standard form of t+4t square-2t cube+4+6t raise to 4
Answer» ANSWER: hahsysgvsbxkdijebdhhdhebdjifbebdghdhhxhebxbdbuxhebuxhehxuebbsudubdbdhuhdbdhdudbbfwgudixndb

34.

Write the standard form of t+4t square-2t cube+4+6t raise to 4

Answer»

ANSWER:

hahsysgvsbxkdijebdhhdhebdjifbebdghdhhxhebxbdbuxhebuxhehxuebbsudubdbdhuhdbdhdudbbfwgudixndb

Discussion

35.	Prove that 2 under root 3 upon 11 - 7 is irrational
Answer» ANSWER: take a PEN and a PAPER and PROVE it yourself by division method

35.

Prove that 2 under root 3 upon 11 - 7 is irrational

Answer»

ANSWER:

take a PEN and a PAPER and PROVE it yourself by division method

Discussion

36.	IS COIN 2D OR 3D.......... NEED THE ANSWER FAST.....
Answer» $\huge \mathrm \pink{Answer}$ ➡A COIN CAN BE 2D AS WELL AS 3D A 2D coin has exactly two PLANES of metal. A raised level coming out of the coin's surface and a recessed level slightly lower. Meanwhile, a 3D coin TAKES full advantage of an almost infinite number of levels, ALLOWING us to slope and ROUND edges between levels of raised and recessed areas on a coin. _____________________________

36.

IS COIN 2D OR 3D.......... NEED THE ANSWER FAST.....

Answer»

$\huge \mathrm \pink{Answer}$

➡A COIN CAN BE 2D AS WELL AS 3D

A 2D coin has exactly two PLANES of metal. A raised level coming out of the coin's surface and a recessed level slightly lower. Meanwhile, a 3D coin TAKES full advantage of an almost infinite number of levels, ALLOWING us to slope and ROUND edges between levels of raised and recessed areas on a coin.

_____________________________

Discussion

37.	If 3 angleB +angleB+2angleB=180, then find the value of x
Answer» ANSWER: ANGLE B + angle b + 2angle b=180 4angle b= 180 angle b =45

37.

If 3 angleB +angleB+2angleB=180, then find the value of x

Answer»

ANSWER:

ANGLE B + angle b + 2angle b=180

4angle b= 180

angle b =45

Discussion

38.	Remya bought 24m of cloth. She wants to cut the cloth in 9 equal pieces. Find the length of each piece?
Answer» Step-by-step explanation: Total length of cloth=24m Cloth require for 9 equal parts=24/9=2.67m(approx) The length of each piece is 2.67m .

38.

Remya bought 24m of cloth. She wants to cut the cloth in 9 equal pieces. Find the length of each piece?

Answer»

Step-by-step explanation:

Total length of cloth=24m

Cloth require for 9 equal parts=24/9=2.67m(approx)

The length of each piece is 2.67m .

Discussion

39.	X²-1/x=4 to x6-1/x³=?
Answer» you can USE a SUBMARINE to make a POINT for us n a submarine to the moon or the SUN and the sun will not only GROW in a way that's just the answer for you are the answer

39.

X²-1/x=4 to x6-1/x³=?

Answer»

you can USE a SUBMARINE to make a POINT for us n a submarine to the moon or the SUN and the sun will not only GROW in a way that's just the answer for you are the answer

Discussion

40.	In the given figure PR and QS are two diameters is PS is equal to Rs give reasons.
Answer» ANSWER: aaaaaaaaaqaqq do yourself

40.

In the given figure PR and QS are two diameters is PS is equal to Rs give reasons.

Answer»

ANSWER:

aaaaaaaaaqaqq do yourself

Discussion

41.	4 is subtracted from a+ve no and7 the result is multipledby 7 to obtain the orginalno. What is the no.
Answer» ANSWER: I THOUGHT 3 is the RIGHT answer

41.

4 is subtracted from a+ve no and7 the result is multipledby 7 to obtain the orginalno. What is the no.

Answer»

ANSWER:

I THOUGHT 3 is the RIGHT answer

Discussion

42.	Find 15th term of an arithmetic series is 102 and the 31st term is 160a: find the first term and common difference b: find the 100th term of the series.
Answer» SOLUTION : (a). A15 = 102 and A31 = 160 a + 14d = 102 --> ( i ) and a + 30d = 160 --> ( ii ) a = 102 - 14d Put it in equation (ii) (102 - 14d) + 30 d = 160 102 + 16D = 160 16d = 58 d = 29/8 First TERM, a = 102 - 14 * 29/8 a = 205/4 (ii) Now, A100 = 205 /4 + 99× 29/8 A 100 = 3281 / 8

42.

Find 15th term of an arithmetic series is 102 and the 31st term is 160a: find the first term and common difference b: find the 100th term of the series.

Answer»

SOLUTION :

(a). A15 = 102 and A31 = 160

a + 14d = 102 --> ( i ) and a + 30d = 160 --> ( ii )

a = 102 - 14d

Put it in equation (ii)

(102 - 14d) + 30 d = 160

102 + 16D = 160

16d = 58

d = 29/8

First TERM, a = 102 - 14 * 29/8

a = 205/4

(ii) Now, A100 = 205 /4 + 99× 29/8

A 100 = 3281 / 8

Discussion

43.	What will come instead of the '?' ?
Answer» Answer: 24 only PLZ LIKE ADD to Baranist PL

43.

What will come instead of the '?' ?

Answer»

Answer:

24 only PLZ LIKE ADD to Baranist PL

Discussion

44.	Answer This Question..This is from Numerical analysis.
Answer» ANSWER: yes the answer WOULD be 56 and GHJ HFJ and Step-by-step EXPLANATION:

44.

Answer This Question..This is from Numerical analysis.

Answer»

ANSWER:

yes the answer WOULD be 56 and GHJ HFJ and

Step-by-step EXPLANATION:

Discussion

45.	Ram spent 5/7 of his money on books while Shyam spent 2/3 of his money on food. If they both 2,100 Rs/- who spent more money and by how much?
Answer» given both= ₹2100 according to question. Ram spent MONEY on books 5/7= 5/7×2100 = ₹1500 SHYAM spent money on FOOD 2/3= 2/3×2100 = ₹1400 SO RAM had more money then SHYAM = 1500 - 1400 = 100 hope it's usefull to you dude

45.

Ram spent 5/7 of his money on books while Shyam spent 2/3 of his money on food. If they both 2,100 Rs/- who spent more money and by how much?

Answer»

given both= ₹2100

according to question.

Ram spent MONEY on books 5/7= 5/7×2100 = ₹1500

SHYAM spent money on FOOD 2/3= 2/3×2100 = ₹1400

SO RAM had more money then SHYAM

= 1500 - 1400 = 100

hope it's usefull to you dude

Discussion

46.	Rationalise √2+√3÷√2-√3 step wise
Answer» ANSWER: answer will be 0.91 hope it MAY HELP U

46.

Rationalise √2+√3÷√2-√3 step wise

Answer»

ANSWER:

answer will be 0.91

hope it MAY HELP U

Discussion

47.	(-4) ×. [5+. (-8)]. =. (-4) ×5+. (-4) × _____If you answer in 5 mins you will get followed and brainiest answer.First anwer will be Brainiest
Answer» LET (-4) • [5+(-8)] = (-4) •5+ (-4)•x 12 = -20+(-4)•x 32 = -4X x = -8 -8 is REQUIRED answer

Discussion

48.	_+_-_=11 answer in only even nums
Answer» ANSWER: Question is WRONG .. plz FOLLOW me and MAKE me brainlist

48.

_+_-_=11 answer in only even nums

Answer»

ANSWER:

Question is WRONG ..

plz FOLLOW me and MAKE me brainlist

Discussion

49.	Show that by step by step explanation
Answer» Answer: HEY MATE your answer is in the picture... Step-by-step explanation: I HOPE it will HELP you!

49.

Show that by step by step explanation

Answer»

Answer:

HEY MATE your answer is in the picture...

Step-by-step explanation:

I HOPE it will HELP you!

Discussion

50.	Solve 2x + 13y = 11 and 2x – 4y = – 17 and hence find the value of ‘m’ for which , y = mx + 3.
Answer» Answer: Given data 2 x -4 y = -24 y ...1) 2 x = -24 y + 4 y 2 x = - 20 y x = - 10 y ... 2) Now come to second equation 2 x + 3 y = 11 (Put value x in term of y) 2 (-10 y) + 3 y = 11 -20 y + 3 y = 11 -17 y = 11 So , $y \: = - \frac{11}{17} \: \:$ ....3 $\: x \: = - 10 \times ( - \frac{11}{17}) = \frac{110}{17}$ .....4 $- \frac{11}{17} = m( \frac{110}{17} ) \: + 3 \\ m ( \frac{110}{17}) = - 3 - \frac{11}{17} \\ \\ m( \frac{110}{17} = - \frac{62}{17} \\ \\ m = - \frac{62}{17} \times \frac{17}{110} = - \frac{62}{110} = - \frac{31}{55}$ please please mark my answer as brainliest answer. and also follow me...✔️✔️ thx.... ❤❤❤❤❤

50.

Solve 2x + 13y = 11 and 2x – 4y = – 17 and hence find the value of ‘m’ for which , y = mx + 3.

Answer»

Answer:

Given data

2 x -4 y = -24 y ...1)

2 x = -24 y + 4 y

2 x = - 20 y

x = - 10 y ... 2)

Now come to second equation

2 x + 3 y = 11 (Put value x in term of y)

2 (-10 y) + 3 y = 11

-20 y + 3 y = 11

-17 y = 11

So ,

$y \: = - \frac{11}{17} \: \:$

....3

$\: x \: = - 10 \times ( - \frac{11}{17}) = \frac{110}{17}$

.....4

$- \frac{11}{17} = m( \frac{110}{17} ) \: + 3 \\ m ( \frac{110}{17}) = - 3 - \frac{11}{17} \\ \\ m( \frac{110}{17} = - \frac{62}{17} \\ \\ m = - \frac{62}{17} \times \frac{17}{110} = - \frac{62}{110} = - \frac{31}{55}$

please please mark my answer as brainliest answer.

and also follow me...✔️✔️

thx.... ❤❤❤❤❤

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Solve 2x + 13y = 11 and 2x – 4y = – 17 and hence find the value of ‘m’ for which , y = mx + 3.

please please mark my answer as brainliest answer.

and also follow me...✔️✔️

thx.... ❤❤❤❤❤

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