98971 + Interview Questions in Primary School in Math

1.	Intermediate 4 rational number between 13/14 =15/27 step by step solution iwill mark you as brainlist☺️
Answer» ANSWER: Class_7_rs_aggarwal Solutions for Class 7 MATH CHAPTER 4 Rational Numbers are provided here with simple step-by-step explanations

1.

Intermediate 4 rational number between 13/14 =15/27 step by step solution iwill mark you as brainlist☺️

Answer»

Class_7_rs_aggarwal Solutions for Class 7 MATH CHAPTER 4 Rational Numbers are provided here with simple step-by-step explanations

Discussion

2.	Radius of the Earth is 6400km and that of Mars is 4300000m. a) Whose radius is bigger b) and by how much?
Answer» earth RADIUS is bigger than Mars first mark me as BRAINLIEST FOLLOW me and thank me dude ohk

2.

Radius of the Earth is 6400km and that of Mars is 4300000m. a) Whose radius is bigger b) and by how much?

Answer»

earth RADIUS is bigger than Mars

first mark me as BRAINLIEST

FOLLOW me and thank me dude

ohk

Discussion

3.	An equation of the form a x + b y + c is equal to zero where a ,b ,c are real constants and x'y are two variables ifa) a is not equal to zero b)b is not equal to zero c)a is not equal to zero and b is not equal to zero d) a is not equal to zero or is b is not equal to zeroexplain
Answer» ANSWER: your ANS is (B) HOPE it HELPS

3.

An equation of the form a x + b y + c is equal to zero where a ,b ,c are real constants and x'y are two variables ifa) a is not equal to zero b)b is not equal to zero c)a is not equal to zero and b is not equal to zero d) a is not equal to zero or is b is not equal to zeroexplain

Answer»

ANSWER:

your ANS is (B)

HOPE it HELPS

Discussion

4.	Find compound interest for 4 years at 5% per year compounded annually
Answer» ANSWER: don't know dear sorry but PLEASE THANK me and FOLLOW me

4.

Find compound interest for 4 years at 5% per year compounded annually

Answer»

ANSWER:

don't know dear sorry

but PLEASE THANK me and FOLLOW me

Discussion

5.	8-78(V)and(vi)10153. Evaluate25un30- 3 49-1027- 18 – 7157
Answer» ANSWER: $x {5225366 { \| < \geqslant 3 - 9jks \sec( \cot( \tan(?) ) ) \| }^{ \alpha kaiak} }$ skjskskw

5.

8-78(V)and(vi)10153. Evaluate25un30- 3 49-1027- 18 – 7157

Answer»

ANSWER:

$x {5225366 { | < \geqslant 3 - 9jks \sec( \cot( \tan(?) ) ) | }^{ \alpha kaiak} }$

skjskskw

Discussion

6.	find the produced of the following a . 3.6×0.5 b. 1.2×1.2 c. 0.13×0.6 d.2.01×1.1 e.4.21×7.25 f.12.23×6.3 g.12.24×6.5 h. 13.25×1.5
Answer» ANSWER: g I hs, hbya,ha,bhab,hb,h,bah ,[email PROTECTED] AA ,hnau,

6.

find the produced of the following a . 3.6×0.5 b. 1.2×1.2 c. 0.13×0.6 d.2.01×1.1 e.4.21×7.25 f.12.23×6.3 g.12.24×6.5 h. 13.25×1.5

Answer»

ANSWER:

g I hs, hbya,ha,bhab,hb,h,bah ,[email PROTECTED] AA ,hnau,

Discussion

7.	Pls bepl me pls help me pls help me pls help me pls help me pls help me pls help me pls help me pls help me pls help
Answer» ANSWER: hello FRIEND Step-by-step explanation: WRITE ur fathers name, and ur name ans of that QUESTION is=0.35353535..

7.

Pls bepl me pls help me pls help me pls help me pls help me pls help me pls help me pls help me pls help me pls help

Answer»

ANSWER:

hello FRIEND

Step-by-step explanation:

WRITE ur fathers name, and ur name

ans of that QUESTION is=0.35353535..

Discussion

8.	Length = 12Breadth = 10Height = 14Find the volume.
Answer» *ANSWER:* **volume = lBh = 121014 UNIT ³ = 1680 unit³ . (Ans) Hope it helps you. ... Step-by-step explanation: Please mark it as BRAINLIEST and follow me. ... ...# 15 thanks for inbox. ...**

8.

Length = 12Breadth = 10Height = 14Find the volume.

Answer»

ANSWER:

volume = l*B*h

= 12*10*14 UNIT ³

= 1680 unit³ . (Ans)

Hope it helps you. ...

Step-by-step explanation:

Please mark it as BRAINLIEST and follow me. ...

...# 15 thanks for inbox. ...

Discussion

9.	Smallest 4 digit number
Answer» HEY there the SMALLEST 4 DIGIT no. is 1000.

Discussion

10.	Qn.2) A multistorey building has 25 floors above the ground level each ofheight 5m. It also has 3 floors in the basement each of height 5m. Alift in building moves at a rate of 1m/s. If a man starts from 50mabove the ground, how long will it take him to reach at 2nd floor ofbasement?
Answer» Answer:65 sec=1 MIN and 5 sec Step-by-step EXPLANATION:

10.

Qn.2) A multistorey building has 25 floors above the ground level each ofheight 5m. It also has 3 floors in the basement each of height 5m. Alift in building moves at a rate of 1m/s. If a man starts from 50mabove the ground, how long will it take him to reach at 2nd floor ofbasement?

Answer»

Answer:65 sec=1 MIN and 5 sec

Step-by-step EXPLANATION:

Discussion

11.	3. Which of the following is the identityelement under addition?
Answer» DIFFERENT he was here JOKER

Discussion

12.	Which equation represent a line parallel to x-axisa) 3 x + 2 is equal to zero b)3 y + 2 is equal to zero c) 3 x + 2 y is equal to zero d) 3 x minus 2 y is equal to zeroexplain
Answer» Step-by-step EXPLANATION: EQUATION 3y+2=0 is paraller to X AXIS

12.

Which equation represent a line parallel to x-axisa) 3 x + 2 is equal to zero b)3 y + 2 is equal to zero c) 3 x + 2 y is equal to zero d) 3 x minus 2 y is equal to zeroexplain

Answer»

Step-by-step EXPLANATION:

EQUATION 3y+2=0 is paraller to X AXIS

Discussion

13.	In a Parallelogram the ratio of the Adjacen sides is a 4 : 5 and its perimeter is 72 CM then .find the sides of the parallelogram?solve it step by step
Answer» ANSWER: 16 CM, 20 cm is the answer for your QUESTION

13.

In a Parallelogram the ratio of the Adjacen sides is a 4 : 5 and its perimeter is 72 CM then .find the sides of the parallelogram?solve it step by step

Answer»

ANSWER:

16 CM, 20 cm is the answer for your QUESTION

Discussion

14.	Solve the following using the distributiveproperty of additionA-2918×(44 17 + 39 10)
Answer» ANSWER: GOOD MORNING

14.

Solve the following using the distributiveproperty of additionA-2918×(44 17 + 39 10)

Answer»

ANSWER:

GOOD MORNING

Discussion

15.	What is crystallization
Answer» Crystallization or crystallisation is the process by which a solid FORMS, where the atoms or molecules are highly organized into a structure known as a crystal. Some of the ways by which CRYSTALS form are precipitating from a SOLUTION, FREEZING, or more rarely deposition directly from a gas.

Discussion

16.	Can u please tell me the answer
Answer» Answer: LOG(ROOT 3x+root4y-root5z) Step-by-step EXPLANATION: the given answer is correct if you WANT explanation Pose the question

16.

Can u please tell me the answer

Answer»

Answer:

LOG(ROOT 3x+root4y-root5z)

Step-by-step EXPLANATION:

the given answer is correct if you WANT explanation Pose the question

Discussion

17.	Find number line 10×(-1)
Answer» -10 is CORRECT answer. Step-by-step EXPLANATION: = 10×(-1) = -10

17.

Find number line 10×(-1)

Answer»

-10 is CORRECT answer.

Step-by-step EXPLANATION:

= 10×(-1)

= -10

Discussion

18.	The first multiple of a number is the number itself
Answer» Answer: yes Step-by-step EXPLANATION: PLEASE mark my answer as BRAINLIEST hope you LIKE it

18.

The first multiple of a number is the number itself

Answer»

Answer:

yes

Step-by-step EXPLANATION:

PLEASE mark my answer as BRAINLIEST hope you LIKE it

Discussion

19.	Give me answer and give answer eith explation
Answer» ANSWER: hii DEAR Step-by-step explanation: TELL which PART ??

19.

Give me answer and give answer eith explation

Answer»

ANSWER:

hii DEAR

Step-by-step explanation:

TELL which PART ??

Discussion

20.	Find the absolute value of -48
Answer» ANSWER: answer is 48 Step-by-step EXPLANATION: HOPE it HELPS you

20.

Find the absolute value of -48

Answer»

ANSWER:

answer is 48

Step-by-step EXPLANATION:

HOPE it HELPS you

Discussion

21.	Add the rational numbers11/-3 +8/-4
Answer» Answer: I HOPE it helps you. Step-by-step EXPLANATION: PLEASE marke me BRAINLIEST PLZ

21.

Add the rational numbers11/-3 +8/-4

Answer»

Answer:

I HOPE it helps you.

Step-by-step EXPLANATION:

PLEASE marke me BRAINLIEST PLZ

Discussion

22.	if there are 2 wheelers and 4 wheelers and there are 100 wheels then how many 2 and 4 wheelers are there
Answer» ANSWER: We can half the 100 so 2 wheeler are 50 and 4 wheeler are 50 and we can ALSO count 2 wheeler are 100 4wheeler are 100 Step-by-step explanation: hope it helps you and please MARK my words as Brainlist pleeeeeeease May God makes your smile biggesttttttttt

22.

if there are 2 wheelers and 4 wheelers and there are 100 wheels then how many 2 and 4 wheelers are there

Answer»

ANSWER:

We can half the 100

so 2 wheeler are 50

and 4 wheeler are 50

and we can ALSO count

2 wheeler are 100

4wheeler are 100

Step-by-step explanation:

hope it helps you and please MARK my words as Brainlist pleeeeeeease

May God makes your smile biggesttttttttt

Discussion

23.	Find Selling price if Cost Price is 359 rupees and profit percentage is 26 Please give answer by full method i will make you brainliest
Answer» Answer: PLEASE mark me as BRAINLEIST If FIND this helpful please follow me. thanks and VOTE.. And Mark as BRAINLIST

23.

Find Selling price if Cost Price is 359 rupees and profit percentage is 26 Please give answer by full method i will make you brainliest

Answer»

Answer:

PLEASE mark me as BRAINLEIST

If FIND this helpful

please follow me.

thanks and VOTE..

And Mark as BRAINLIST

Discussion

24.	1. The decimal expansion of -16/45mac 9th class Math Pls help me
Answer» Jnejjdmmdjndnjdnndj jdjdjm Hi MEME Iskenderun Jewel Jjdnd Jjdjjdjmdj Mark me PLS pls I BEG U !!!!!

Discussion

25.	F(x)=5×3+x2-5x-1,g(x)=x+1
Answer» ******************************** FACTOR Theorem : LET p(x) be a polynomial if degree one or more than one and a is a real number .Then , i ) x - a , will be a factor of p(x) if p(a) = 0 conversely ii ) If x - a is a factor of p(x), Then p(a) = 0 *********************************** Here , F(x) = 5x³ + x² - 5x - 1 , g(x) = x + 1 , g(x) = 0 , => x + 1 = 0 => x = -1 Therefore , ZERO of g(x) is -1 , Now , F(-1) = 5(-1)³ + (-1)² - 5(-1) - 1 = -5 + 1 + 5 - 1 =-6 + 6 = 0 Therefore , By Factor theorem , g(x) is a factor of F(x). •••••

25.

F(x)=5×3+x2-5x-1,g(x)=x+1

Answer»

**********************************

FACTOR Theorem :

LET p(x) be a polynomial if

degree one or more than one

and a is a real number .Then ,

i ) x - a , will be a factor of p(x)

if p(a) = 0 conversely

ii ) If x - a is a factor of p(x),

Then p(a) = 0

*************************************

Here ,

F(x) = 5x³ + x² - 5x - 1 ,

g(x) = x + 1 ,

g(x) = 0 ,

=> x + 1 = 0

=> x = -1

Therefore ,

ZERO of g(x) is -1 ,

Now ,

F(-1) = 5(-1)³ + (-1)² - 5(-1) - 1

= -5 + 1 + 5 - 1

=-6 + 6

= 0

Therefore ,

By Factor theorem ,

g(x) is a factor of F(x).

•••••

Discussion

26.	Find the multiplicative inverse of the rationalnumbers.A.10/8
Answer» Answer: 8/10 is the answer. Step-by-step EXPLANATION: PLS MARK me on BRAINLIST and FOLLOW me

26.

Find the multiplicative inverse of the rationalnumbers.A.10/8

Answer»

Answer:

8/10 is the answer.

Step-by-step EXPLANATION:

PLS MARK me on BRAINLIST and FOLLOW me

Discussion

27.	I find the products of a) (-10)11 b) 5(-7) c) (-115) x 8
Answer» ANSWER: C)-920 Step-by-step explanation: SORRY to not answer a and b because SIGN is not understandable

27.

I find the products of a) (-10)11 b) 5(-7) c) (-115) x 8

Answer»

ANSWER:

C)-920

Step-by-step explanation:

SORRY to not answer a and b

because SIGN is not understandable

Discussion

28.	(2x-y+z)^2Expand the following by using suitable property.
Answer» Hi , ********************* We know the algebraic identity , ( a + B + c )² = a²+b²+c²+2ab+2bc+2ca ******************************* Here , a = 2X, b = - y , c = z , [ 2x + ( -y ) + z ]² = (2x)²+(-y)²+z²+2(2x)(-y)+2(-y)z+2z(2x) = 4x² + y² + z² - 4xy - 2yz + 4zx Mark as brainlist FOLLOW me

28.

(2x-y+z)^2Expand the following by using suitable property.

Answer»

Hi ,

***********************

We know the algebraic identity ,

( a + B + c )² = a²+b²+c²+2ab+2bc+2ca

*********************************

Here ,

a = 2X,

b = - y ,

c = z ,

[ 2x + ( -y ) + z ]²

= (2x)²+(-y)²+z²+2(2x)(-y)+2(-y)z+2z(2x)

= 4x² + y² + z² - 4xy - 2yz + 4zx

Mark as brainlist

FOLLOW me

Discussion

29.	for the following values of X Y and Z find the product of (X into Y) in to Z and X into (Y into Z) and observed that the result (X into Y) in into Z is equal to x into (y into Z ). x=-3,y=-4/9,z=-7/3
Answer» Answer: Mark as brainliest Step-by-step explanation: GIVEN: X=3,y=4/9,x=7/3 solve: i) (X x Y)XZ = (3x4/9)7/3 = 4/3x7/3 = 28/9 ii) Xx(YxZ) = 3x(4/9x7/3) = 3x28/27 = 28/9 i = ii 28/9 = 28/9 hence PROVED

29.

for the following values of X Y and Z find the product of (X into Y) in to Z and X into (Y into Z) and observed that the result (X into Y) in into Z is equal to x into (y into Z ). x=-3,y=-4/9,z=-7/3

Answer»

Answer:

Mark as brainliest

Step-by-step explanation:

GIVEN: X=3,y=4/9,x=7/3

solve: i) (X x Y)XZ = (3x4/9)7/3 = 4/3x7/3 = 28/9

ii) Xx(YxZ) = 3x(4/9x7/3) = 3x28/27 = 28/9

i = ii

28/9 = 28/9

hence PROVED

Discussion

30.	21. A brick of weight 80 N stands upright on the ground as shown. What is the pressure itexerts on the ground?10 cm20 cm5 cma. 16 x 10-4 Pab. 0.62 Pac. 1.6 x 104 Pad. 0.62 x 104 Pa
Answer» Step-by-step EXPLANATION: $\mathbb{Follow\:me}$ $\huge\star\underline\mathfrak\green{Follow\:me}$ $\huge\star\underline\mathfrak\green{Follow\:me}$

30.

21. A brick of weight 80 N stands upright on the ground as shown. What is the pressure itexerts on the ground?10 cm20 cm5 cma. 16 x 10-4 Pab. 0.62 Pac. 1.6 x 104 Pad. 0.62 x 104 Pa

Answer»

Step-by-step EXPLANATION:

$\mathbb{Follow\:me}$

$\huge\star\underline\mathfrak\green{Follow\:me}$

Discussion

31.	Estimate The sum of 35894 and 2345
Answer» Answer: 35000+2000 =37000.......

31.

Estimate The sum of 35894 and 2345

Answer»

Answer:

35000+2000 =37000.......

Discussion

32.	Find the smallest number by whoch 2592 be multiplied so that the result is perfect square also find the square root pf resulting number using prime factorstep by step ans plss
Answer» Answer: ok you need to factorise it by divesion so 2592= 2x2x2x2x2x9x9 2592 = 2to th power 2 X 2 to the power2 x 2x 9 to the power 2 here all are equll expect 2 so if we MULTIPLY this no by 2 again it becomes a perfect square = 5184 root of 5184 is 72 pls mark me BRAINLIEST

32.

Find the smallest number by whoch 2592 be multiplied so that the result is perfect square also find the square root pf resulting number using prime factorstep by step ans plss

Answer»

Answer:

ok

you need to factorise it by divesion

so 2592= 2x2x2x2x2x9x9

2592 = 2to th power 2 X 2 to the power2 x 2x 9 to the power 2

here all are equll expect 2

so if we MULTIPLY this no by 2 again it becomes a perfect square

= 5184

root of 5184 is 72

pls mark me BRAINLIEST

Discussion

33.	A two digit number is 3more than 4 times the sum of its digits. if 18 is added to the number,its digit are reversed.find the nunber
Answer» Answer: no.is 35 Step-by-step explanation: Let the two digits of two digit number be y at 10s place and x at 1s place. Accordingly the number will be 10Y + x A two digit number is 3 more than 4 times the sum of its digits. The sum of digits is x + y (10y + x) = 4 ( y + x) + 3 10y + x = 4y + 4x + 3 10y - 4y + x - 4x = 3 6y - 3x = 3. . 2y - x = 1 2y = 1 + x .Eq..1 If 18 is added to the number, its digits are reversed. What is the number (10y + x) + 18 = (10x + y) 10y + x + 18 = 10x + y 10y - y + x - 10x = - 18 9y - 9x = - 18 9 (y - x) = - 18 y - x = - 2 y = x - 2…Eq..2 Now derived value of y is substituted in Eq..1 2y = 1 + x 2(x - 2) = 1 + x 2x - 4 = 1 + x 2x - x = 1 + 4 x = 5 The 1s digit is 5 Substituting the value of x in Eq..2 to drive the value of y y = x - 2 y = 5 - 2 y = 3 The digit at 10s place is 3, and at Is place is 5 THEREFORE the number is 35. Answer the number is 35 hope it is helpful to you Plss mark as brainlist like and vote

33.

A two digit number is 3more than 4 times the sum of its digits. if 18 is added to the number,its digit are reversed.find the nunber

Answer»

Answer:

no.is 35

Step-by-step explanation:

Let the two digits of two digit number be y at 10s place and x at 1s place. Accordingly the number will be 10Y + x

A two digit number is 3 more than 4 times the sum of its digits.

The sum of digits is x + y

(10y + x) = 4 ( y + x) + 3

10y + x = 4y + 4x + 3

10y - 4y + x - 4x = 3

6y - 3x = 3. .

2y - x = 1

2y = 1 + x .Eq..1

If 18 is added to the number, its digits are reversed. What is the number

(10y + x) + 18 = (10x + y)

10y + x + 18 = 10x + y

10y - y + x - 10x = - 18

9y - 9x = - 18

9 (y - x) = - 18

y - x = - 2

y = x - 2…Eq..2

Now derived value of y is substituted in Eq..1

2y = 1 + x

2(x - 2) = 1 + x

2x - 4 = 1 + x

2x - x = 1 + 4

x = 5

The 1s digit is 5

Substituting the value of x in Eq..2 to drive the value of y

y = x - 2

y = 5 - 2

y = 3

The digit at 10s place is 3, and at Is place is 5 THEREFORE the number is 35.

Answer the number is 35

hope it is helpful to you

Plss mark as brainlist

like and vote

Discussion

34.	Draw a pie chart for the percent of money spent on various types of books by a library in a year.
Answer» ANSWER: here Step-by-step EXPLANATION: PLZ MARKS me as BRAINLIEST

34.

Draw a pie chart for the percent of money spent on various types of books by a library in a year.

Answer»

ANSWER:

here

Step-by-step EXPLANATION:

PLZ MARKS me as BRAINLIEST

Discussion

35.	BO is the angle bisector of ABC, ABC = 45° then ABO =....., OBC =....
Answer» ANSWER: it is easy Step-by-step EXPLANATION: DO IT BY URSELF

35.

BO is the angle bisector of ABC, ABC = 45° then ABO =....., OBC =....

Answer»

ANSWER:

it is easy

Step-by-step EXPLANATION:

DO IT BY URSELF

Discussion

36.	Find the common factors of:a 20 and 28 (1) 15 and 25(c) 35 and 50(d) 56 and 120answer me and send solution pic please
Answer» Answer Step-by-step EXPLANATION: FACTORS of 20 1,2,4,5,10,20

36.

Find the common factors of:a 20 and 28 (1) 15 and 25(c) 35 and 50(d) 56 and 120answer me and send solution pic please

Answer»

Answer

Step-by-step EXPLANATION: FACTORS of 20

1,2,4,5,10,20

Discussion

37.	Multiply and express as a mixed number 4×2 1/3
Answer» ANSWER: 4×21/3 =84/3 =28 please MAKE my answer in the BRAINLIST

37.

Multiply and express as a mixed number 4×2 1/3

Answer»

ANSWER:

4×21/3

=84/3

=28

please MAKE my answer in the BRAINLIST

Discussion

38.	the water level is at fifteenth steps below . a monkey jumps 4 steps down and then jumps 2 step up. in how may jumps will he relevelach the water
Answer» Answer: 3,jumps relevelach first step Step-by-step explanation: MONKEY NE 4step jump KIYA water me second step water ka LEVEL 5 THA monkey is jumped in water 4steps and monkey then jump 2step up last step..so 2leave and 1also leave2+1--..3answer

38.

the water level is at fifteenth steps below . a monkey jumps 4 steps down and then jumps 2 step up. in how may jumps will he relevelach the water

Answer»

Answer:

3,jumps relevelach first step

Step-by-step explanation:

MONKEY NE 4step jump KIYA water me second step water ka LEVEL 5 THA monkey is jumped in water 4steps and monkey then jump 2step up last step..so 2leave and 1also leave2+1--..3answer

Discussion

39.	Convert decimal to hexadecimal 330
Answer» ANSWER: Step-by-step EXPLANATION: DECIMAL ____ Hex___ Binary 330 ______ 14A _ 101001010

39.

Convert decimal to hexadecimal 330

Answer»

ANSWER:

Step-by-step EXPLANATION:

DECIMAL ____ Hex___ Binary

330 ______ 14A _ 101001010

Discussion

40.	Find the smallest number by which 2592 be multiplied so that the result is perfect square also find the square root of resulting number using prime factorstep by step ans plss
Answer» ANSWER: I given answer in the PHOTO plz mark as BRAIN list

40.

Find the smallest number by which 2592 be multiplied so that the result is perfect square also find the square root of resulting number using prime factorstep by step ans plss

Answer»

ANSWER:

I given answer in the PHOTO

plz mark as BRAIN list

Discussion

41.	List all the factor of 23
Answer» Step-by-step explanation: 1 and 23 are the FACTORS of 23. Hope it HELPED you DEAR ❤️

41.

List all the factor of 23

Answer»

Step-by-step explanation:

1 and 23 are the FACTORS of 23.

Hope it HELPED you DEAR ❤️

Discussion

42.	75300/0.5 explain with solution
Answer» ANSWER: 150600 is the answer for your QUESTION

42.

75300/0.5 explain with solution

Answer»

ANSWER:

150600 is the answer for your QUESTION

Discussion

43.	Example 2: Solve the following as fast as you can)317×2512×13
Answer» ANSWER: 10351952 is the answer

43.

Example 2: Solve the following as fast as you can)317×2512×13

Answer»

ANSWER:

10351952 is the answer

Discussion

44.	9uosethe7 L orlomake the statement trueesign elin the box toC-8) + (-4)C-8)-(-4)b)C-3)+7(19)15 - 8 + (-9)c)O2 - 41 t 1423UL1.d)3g+ (-24) -(is36 + (-62)-(-36- 2B4 to 54399 at 159 +81e)
Answer» Answer: 1-b 2- c. mark me as BRAINILIST PLEASE please please Sneha ♥️....

44.

9uosethe7 L orlomake the statement trueesign elin the box toC-8) + (-4)C-8)-(-4)b)C-3)+7(19)15 - 8 + (-9)c)O2 - 41 t 1423UL1.d)3g+ (-24) -(is36 + (-62)-(-36- 2B4 to 54399 at 159 +81e)

Answer»

Answer:

1-b

2- c.

mark me as BRAINILIST PLEASE please please

Sneha ♥️....

Discussion

45.	How to solve national equation with botn numerator having variable
Answer» ANSWER: take EQUATION and do follow me and rate me lile me MARK as brainlist

45.

How to solve national equation with botn numerator having variable

Answer»

ANSWER:

take EQUATION and do follow me and rate me lile me MARK as brainlist

Discussion

46.	Hi friends please simplify this term 6√2.
Answer» ANSWER: What is 6/2 SIMPLIFIED? - 3/1 is the simplified fraction for 6/2. SIMPLIFY 6/2 to the simplest form. Step-by-step EXPLANATION: PLS follow me and maje the answer brainlist

46.

Hi friends please simplify this term 6√2.

Answer»

ANSWER:

What is 6/2 SIMPLIFIED? - 3/1 is the simplified fraction for 6/2. SIMPLIFY 6/2 to the simplest form.

Step-by-step EXPLANATION:

PLS follow me and maje the answer brainlist

Discussion

47.	the cost of laptop is 5000 rupees more than the cost of mobile phone. write linear equations in two variables
Answer» $\red{let \: cost \: of \: mobile \green= x} \\ \\ \pink{let\: cost \: of \: laptop \green = y} \\ \\ \purple{y - x \green= 5000} \\ \\ \\$ ACCORDING to QUESTION only ONE EQUATION I MAKE

47.

the cost of laptop is 5000 rupees more than the cost of mobile phone. write linear equations in two variables

Answer»

$\red{let \: cost \: of \: mobile \green= x} \\ \\ \pink{let\: cost \: of \: laptop \green = y} \\ \\ \purple{y - x \green= 5000} \\ \\ \\$

ACCORDING to QUESTION only ONE EQUATION I MAKE

Discussion

48.	Prime fraction 1105 LCM chapter name square and square roots
Answer» ANSWER: answer for the GIVEN PROBLEM is given

48.

Prime fraction 1105 LCM chapter name square and square roots

Answer»

ANSWER:

answer for the GIVEN PROBLEM is given

Discussion

49.	2) (a+b) (a-b) Ca²+b?) (a" +64) Evaluate
Answer» Answer: Step-by-step explanation: Given a+b+c=12 a^2+b^2+c^2=64 Then ab+bc+ca=? a+b+c=12 Squaring on both SIDES (a+b+c)^2=(12)^2 a^2+b^2+c^2+2(ab+bc+ca)=144 64+2 (ab+bc+ca)=144 2(ab+bc+ca)=80 ab+bc+ca=40 Mark as brainlist Follow me

49.

2) (a+b) (a-b) Ca²+b?) (a" +64) Evaluate

Answer»

Answer:

Step-by-step explanation:

Given a+b+c=12

a^2+b^2+c^2=64

Then ab+bc+ca=?

a+b+c=12

Squaring on both SIDES

(a+b+c)^2=(12)^2

a^2+b^2+c^2+2(ab+bc+ca)=144

64+2 (ab+bc+ca)=144

2(ab+bc+ca)=80

ab+bc+ca=40

Mark as brainlist

Follow me

Discussion

50.	In a class test, the sum of Shefali's marks in Maths and English is 30. Had she got 2 marks more in Maths and 3 marks more in English, the product of their marks would have been 210. Find her marks in both subjects by using Quadratic Formula.
Answer» ANSWER: LET the marks in Maths be x.So the marks in ENGLISH=30-x. NEW marks in Maths=x+2 and that in English=30-x-3=27-x. If the marks in Maths is 12 the marks in English is 18. If marks in Maths is 13 then marks in English is 17

50.

In a class test, the sum of Shefali's marks in Maths and English is 30. Had she got 2 marks more in Maths and 3 marks more in English, the product of their marks would have been 210. Find her marks in both subjects by using Quadratic Formula.

Answer»

ANSWER:

LET the marks in Maths be x.So the marks in ENGLISH=30-x. NEW marks in Maths=x+2 and that in English=30-x-3=27-x. If the marks in Maths is 12 the marks in English is 18. If marks in Maths is 13 then marks in English is 17

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