332354 + Interview Questions in Secondary School in Math

1.	Which upon the following is a rational no (a) pie b.underoot5 c.0.853853 d.0.1010010001
Answer»

Discussion

2.	Gles areTwo opposite angles of a parallelogramare 3x-27 and 150 - xl". The measures of all itsO )37.143.37", 1430(0) 76", 104.7", 100
Answer» HOPE IT HELPS........

2.

Gles areTwo opposite angles of a parallelogramare 3x-27 and 150 - xl". The measures of all itsO )37.143.37", 1430(0) 76", 104.7", 100

Answer»

HOPE IT HELPS........

Discussion

3.	Showthatthepoints(-4,1)(0,2)(1,6)and(-3,5)formarhombus
Answer» ANSWER: by USING DISTANCE FROMULA

3.

Showthatthepoints(-4,1)(0,2)(1,6)and(-3,5)formarhombus

Answer»

ANSWER:

by USING

DISTANCE FROMULA

Discussion

4.	here are the first four terms of an arithmetic sequence. 5,12,19,26. Write down an expression, in terms of n, for the nth term of the sequence.
Answer» Step-by-step EXPLANATION: HOPE it will HELP you and ANSWER is RIGHT

4.

here are the first four terms of an arithmetic sequence. 5,12,19,26. Write down an expression, in terms of n, for the nth term of the sequence.

Answer»

Step-by-step EXPLANATION:

HOPE it will HELP you and ANSWER is RIGHT

Discussion

5.	22x3x1x3x35
Answer» Answer: 6930 Step-by-step EXPLANATION: $22 \times 3 \times 1 \times 3 \times 35 = 6930$ PLEASE MARK me as BRAINLIEST.

5.

22x3x1x3x35

Answer»

Answer:

6930

Step-by-step EXPLANATION:

$22 \times 3 \times 1 \times 3 \times 35 = 6930$

PLEASE MARK me as BRAINLIEST.

Discussion

6.	On a test worth 30 marks , a student scored 112 marks .what is her percentage mark?
Answer» ANSWER: I THINK your QUESTION has some MISTAKE.....

6.

On a test worth 30 marks , a student scored 112 marks .what is her percentage mark?

Answer»

ANSWER:

I THINK your QUESTION has some MISTAKE.....

Discussion

7.	If a square is inscribed in a circle, find the ratio of the areas of the circle and the square (using Pythagoras theorem)
Answer» Step-by-step explanation: The diagonal of the square is the DIAMETER of the circle. If d = diagonal of the square = the diameter of the circle, then the AREA of the square = (d^2)/2 and area of the circle is (p1/4)d^2 or (22/28)d^2 or (11/14)d^2. So the ratio of the areas of the square to that of the circle is (1/2):(11/14) or 14:22 or 7:11.

7.

If a square is inscribed in a circle, find the ratio of the areas of the circle and the square (using Pythagoras theorem)

Answer»

Step-by-step explanation:

The diagonal of the square is the DIAMETER of the circle. If d = diagonal of the square = the diameter of the circle, then the AREA of the square = (d^2)/2 and area of the circle is (p1/4)d^2 or (22/28)d^2 or (11/14)d^2. So the ratio of the areas of the square to that of the circle is (1/2):(11/14) or 14:22 or 7:11.

Discussion

8.	If the length of the rectangle is 6 units more than its breadth. Express its area as polynomial?
Answer» Hey MATE hope it HELPS you... Length = 6+x Breadth = x Area = l × B = 6x + x²

8.

If the length of the rectangle is 6 units more than its breadth. Express its area as polynomial?

Answer»

Hey MATE hope it HELPS you...

Length = 6+x

Breadth = x

Area = l × B = 6x + x²

Discussion

9.	Find a and b if
Answer» Step-by-step EXPLANATION: (2+√3) / 2(2+√3) = a + b√3 1/2 = a+b√3 a=1/2 , b=0

9.

Find a and b if

Answer»

Step-by-step EXPLANATION:

(2+√3) / 2(2+√3) = a + b√3

1/2 = a+b√3

a=1/2 , b=0

Discussion

10.	ବାପ ଝିଅକୁ କହିଲା ମୁଁ ସେତେବେଳେ ତୋ ବୟସର ଅଲି।ବ ସେତେବେଳେ 4 ବର୍ଷର ଥିଲୁ । ତୁ ଯେତେବେଳେ ମୋବୟସ ହେବୁ ମୁଁ ସେତେବେଳେ 7୨ ବର୍ଷର ହେବି । ବର୍ତ୍ତମାନକାହାର ବୟସ କେତେ ?
Answer» ANSWER: PLEASE TRANSLATE in ENGLISH after that i will AAL your answer

10.

ବାପ ଝିଅକୁ କହିଲା ମୁଁ ସେତେବେଳେ ତୋ ବୟସର ଅଲି।ବ ସେତେବେଳେ 4 ବର୍ଷର ଥିଲୁ । ତୁ ଯେତେବେଳେ ମୋବୟସ ହେବୁ ମୁଁ ସେତେବେଳେ 7୨ ବର୍ଷର ହେବି । ବର୍ତ୍ତମାନକାହାର ବୟସ କେତେ ?

Answer»

ANSWER:

PLEASE TRANSLATE in ENGLISH after that i will AAL your answer

Discussion

11.	Find the sum of all 3 digit numbers which are divisible by 3 but not 6
Answer» Hello!! 3 digit number starts from 100,101.. and ends at 999. ARITHMETIC progression can be used to find all 3 digit number that is DIVISIBLE by 3 and not by 6. The 1st 3 digit number that is divisible by 3 and not by 6 is 105. The next numbers are 111,117,123.. (PREVIOUS number added with 6).The last number is 999. nth term of an arithmetic progression- tn = a + (n – 1)d where tn- nth term(999) a =the first term (105) d= common difference(6) 999=105+(n-1)6 894=(n-1)6 n=150 The addition of series is given by- Sn= n/2(a+tn) = 1502(105+999) = 75 (1104) = 82800 . So there are only 150 3 digit numbers that is divisible by 3 and not by 6 and there addition is 82800. Hope* it *HELPS you... Plz* *mark this* *as brain* *liest answer*....

11.

Find the sum of all 3 digit numbers which are divisible by 3 but not 6

Answer»

Hello!!

3 digit number starts from 100,101.. and ends at 999.

ARITHMETIC progression can be used to find all 3 digit number that is DIVISIBLE by 3 and not by 6.

The 1st 3 digit number that is divisible by 3 and not by 6 is 105. The next numbers are 111,117,123.. (PREVIOUS number added with 6).The last number is 999.

nth term of an arithmetic progression-

tn = a + (n – 1)d

where tn- nth term(999)

a =the first term (105)

d= common difference(6)

999=105+(n-1)6

894=(n-1)6

n=150

The addition of series is given by-

Sn= n/2*(a+tn)

= 1502(105+999)

= 75 (1104)

= 82800 .

So there are only 150 3 digit numbers that is divisible by 3 and not by 6 and there addition is 82800.

Hope it HELPS you...

Plz mark this as brain liest answer....

Discussion

12.	(-1)*(-1)...... 2o temas
Answer» Step-by-step EXPLANATION: $( - 1) \times ( - 1) \\ we \: know \: that \: \\ - \times - = + \\ 1 \times 1 = 1 \\ then \: ( -1 ) \times ( - 1) = 1$

12.

(-1)*(-1)...... 2o temas

Answer»

Step-by-step EXPLANATION:

$( - 1) \times ( - 1) \\ we \: know \: that \: \\ - \times - = + \\ 1 \times 1 = 1 \\ then \: ( -1 ) \times ( - 1) = 1$

Discussion

13.	Five digit numbers can be formed from the digital 0,2,3,4,5 if one number is selected at randomly then find the probability that it is divisible by 5 ?
Answer» 2314599999999999hsggd 6382

Discussion

14.	Express each of the following as a rational number 7/12-5/6+1/8-5/12
Answer» Step-by-step explanation: 7/12-5/6+1/8-5/12 LCM of 12, 6 and 8= 24 = 7×2/24-5×4/24+1×3/24-5×2/24 = 14/24-20/24+3/24-10/24 => (14-20+3-10) / 24 = -13/24 answer= -13/24

14.

Express each of the following as a rational number 7/12-5/6+1/8-5/12

Answer»

Step-by-step explanation:

7/12-5/6+1/8-5/12

LCM of 12, 6 and 8= 24

= 7×2/24-5×4/24+1×3/24-5×2/24

= 14/24-20/24+3/24-10/24

=> (14-20+3-10) / 24

= -13/24

answer= -13/24

Discussion

15.	A gardener has 2400 plants. He wants to plant these in such a way that the number of rows and the number of columns remain same. Find the minimum number of plants he needs more for this.
Answer» Answer: 1 Step-by-step explanation: To SOLVE this, we need to find the closest square number to 2400, since it is not a square number. The number with a perfect ROOT close to 2400 is 2401. So, 2401 - 2400 = 1 The GARDENER need 1 more PLANT.

15.

A gardener has 2400 plants. He wants to plant these in such a way that the number of rows and the number of columns remain same. Find the minimum number of plants he needs more for this.

Answer»

Answer:

1

Step-by-step explanation:

To SOLVE this, we need to find the closest square number to 2400, since it is not a square number. The number with a perfect ROOT close to 2400 is 2401. So, 2401 - 2400 = 1

The GARDENER need 1 more PLANT.

Discussion

16.	Half a number plus 1 is the same as subtracting 9 from the number. What is the number?
Answer» Answer: The answer of the QUESTION is 20. Comment if you want full PROCESS to SOLVE it. I HOPE IT WILL HELP YOU

16.

Half a number plus 1 is the same as subtracting 9 from the number. What is the number?

Answer»

Answer:

The answer of the QUESTION is 20.

Comment if you want full PROCESS to SOLVE it.

I HOPE IT WILL HELP YOU

Discussion

17.	Who was Napolean Bonaparte？Why was he called a liberator？
Answer» Answer: NAPOLEON Bonaparte was a military DICTATOR of France during revolutionary period. He was CALLED a liberator by the citizens as he abolished the FEUDAL laws and privileges and stopped the so called "By Birth" facilities. He INTRODUCED uniform system of unit and measurement and also the currency .

17.

Who was Napolean Bonaparte？Why was he called a liberator？

Answer»

Answer:

NAPOLEON Bonaparte was a military DICTATOR of France during revolutionary period. He was CALLED a liberator by the citizens as he abolished the FEUDAL laws and privileges and stopped the so called "By Birth" facilities. He INTRODUCED uniform system of unit and measurement and also the currency .

Discussion

18.	In a hospital used water is collected in a cylindrical
Answer» ANSWER: COMPLETE your QUESTION PLEASE.

18.

In a hospital used water is collected in a cylindrical

Answer»

ANSWER:

COMPLETE your QUESTION PLEASE.

Discussion

19.	If p = 0.07 then what is probability of north east,
Answer» <P>What is p ? If p is OPPOSITE of NORTH EAST. Then p(north east) = 0.93

19.

If p = 0.07 then what is probability of north east,

Answer»

<P>What is p ?

If p is OPPOSITE of NORTH EAST. Then p(north east) = 0.93

Discussion

20.	If selling price is 700 and discount is 5% how do we get 736.84 answer
Answer» Mp is equal to 700 Discount is equal to 7percent sp is equal to 93/ 100 MULTIPLE by 700 So is equal to 651

20.

If selling price is 700 and discount is 5% how do we get 736.84 answer

Answer»

Mp is equal to 700 Discount is equal to 7percent

sp

is equal to 93/ 100 MULTIPLE by 700 So is equal to 651

Discussion

21.	The probability of an arrow reaching a target is 0.85. How many times the arrow must be shot in order to hit the target 340 times
Answer» Answer: 400 times Step-by-step explanation: 0.85 ----> 340 1 ---------> 400 Please MARK me as BRAINLIEST.

21.

The probability of an arrow reaching a target is 0.85. How many times the arrow must be shot in order to hit the target 340 times

Answer»

Answer:

400 times

Step-by-step explanation:

0.85 ----> 340

1 ---------> 400

Please MARK me as BRAINLIEST.

Discussion

22.	957 round of to nearest 10
Answer» ANSWER: Step-by-step explanation: 1000 answer

22.

957 round of to nearest 10

Answer»

ANSWER:

Step-by-step explanation:

1000 answer

Discussion

23.	Solve bysubstitution method: 2x – 3y = 13; 7x – 2y = 20
Answer» Answer: x=2 y=-3 Step-by-step explanation: 2x-3y=13 multiply it by 7 we will get 14x-21y=91 7x-2y=20 multiply it by 2 we will get 14x-4y=40 by SUBTRACTING this two NEW EQUATIONS we will get -17y=51 y=51/-17 y=-3 put y value in 2x-3y=13 we will get 2x-3(-3)=13 2x+9=13 2x=13-9 2x=4 x=2

23.

Solve bysubstitution method: 2x – 3y = 13; 7x – 2y = 20

Answer»

Answer:

x=2

y=-3

Step-by-step explanation:

2x-3y=13 multiply it by 7 we will get

14x-21y=91

7x-2y=20 multiply it by 2 we will get

14x-4y=40

by SUBTRACTING this two NEW EQUATIONS we will get

-17y=51

y=51/-17

y=-3

put y value in 2x-3y=13 we will get

2x-3(-3)=13

2x+9=13

2x=13-9

2x=4

x=2

Discussion

24.	The equation of line passing through (1 ,1) and (2,2) is
Answer» $\blue{\bold{\underline{\underline{Answer:}}}}$ $\green{\tt{\therefore{Eqn\:of\:line=x-y=0}}}$ $\green{\tt{\therefore{Eqn\:of\:line=x+y-4=0}}}$ $\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}$ $\green{\underline \bold{<klux>GIVEN</klux>: }} \\ \tt: \implies Points \: on \: line = (1,1) \: and \: (2,2) \\ \\ \red{\underline \bold{To \: Find: }} \\ \tt: \implies Eqn \: of \: line = ?$ • ACCORDING to given QUESTION : $\bold{As \: we \: know \: that} \\ \tt: \implies (y - y_{1}) = (\frac{ y_{2} - y_{1} }{x_{2} - x_{1}} )( x - x_{1}) \\ \\ \tt: \implies y - 1 = (\frac{2 - 1}{2 - 1} )( x - 1) \\ \\ \tt: \implies y - 1 = 1 \times (x - 1 ) \\ \\ \tt: \implies x - 1 + 1 - y = 0 \\ \\ \green{\tt: \implies x - y = 0} \\ \\ \bold{As \: we \: know \: that} \\ \tt: \implies (y - y_{1}) = (\frac{ y_{2} - y_{1} }{x_{2} - x_{1}} )( x - x_{1}) \\ \\ \tt: \implies y -2 = (\frac{1 - 2}{ 1 - 2} )( x - 2) \\ \\ \tt: \implies y - 2 = - 1 \times (x - 2 ) \\ \\ \tt: \implies x - 2 - 2 + y = 0 \\ \\ \green{\tt: \implies x + y - 4= 0}$

24.

The equation of line passing through (1 ,1) and (2,2) is

Answer»

$\blue{\bold{\underline{\underline{Answer:}}}}$

$\green{\tt{\therefore{Eqn\:of\:line=x-y=0}}}$

$\green{\tt{\therefore{Eqn\:of\:line=x+y-4=0}}}$

$\orange{\bold{\underline{\underline{Step-by-step\:explanation:}}}}$

$\green{\underline \bold{<klux>GIVEN</klux>: }} \\ \tt: \implies Points \: on \: line = (1,1) \: and \: (2,2) \\ \\ \red{\underline \bold{To \: Find: }} \\ \tt: \implies Eqn \: of \: line = ?$

• ACCORDING to given QUESTION :

$\bold{As \: we \: know \: that} \\ \tt: \implies (y - y_{1}) = (\frac{ y_{2} - y_{1} }{x_{2} - x_{1}} )( x - x_{1}) \\ \\ \tt: \implies y - 1 = (\frac{2 - 1}{2 - 1} )( x - 1) \\ \\ \tt: \implies y - 1 = 1 \times (x - 1 ) \\ \\ \tt: \implies x - 1 + 1 - y = 0 \\ \\ \green{\tt: \implies x - y = 0} \\ \\ \bold{As \: we \: know \: that} \\ \tt: \implies (y - y_{1}) = (\frac{ y_{2} - y_{1} }{x_{2} - x_{1}} )( x - x_{1}) \\ \\ \tt: \implies y -2 = (\frac{1 - 2}{ 1 - 2} )( x - 2) \\ \\ \tt: \implies y - 2 = - 1 \times (x - 2 ) \\ \\ \tt: \implies x - 2 - 2 + y = 0 \\ \\ \green{\tt: \implies x + y - 4= 0}$

Discussion

25.	Express 23 as the sum of three odd primes
Answer» Answer: 5+7+11=23 HOPE it HELPS you

25.

Express 23 as the sum of three odd primes

Answer»

Answer:

5+7+11=23 HOPE it HELPS you

Discussion

26.	Integral 1 by root of x^2 +2x+2
Answer» Step-by-step EXPLANATION:

26.

Integral 1 by root of x^2 +2x+2

Answer»

Step-by-step EXPLANATION:

Discussion

27.	Find rational numbers and in and rational numbers between - 1 by 2 and 1 by 2
Answer» ANSWER: 2/4 Step-by-step explanation: 1/2 and 1/2 lcm-2 1/2= 1/2x 1= 1/2 1/2= 1/2x 1=1/2 s the answer is 2/4

27.

Find rational numbers and in and rational numbers between - 1 by 2 and 1 by 2

Answer»

ANSWER:

2/4

Step-by-step explanation:

1/2 and 1/2

lcm-2

1/2= 1/2x 1= 1/2

1/2= 1/2x 1=1/2

s the answer is 2/4

Discussion

28.	Solve each of the following questions.identify whether the solution is a natural number, whole number,integer,or a rational number
Answer» Step-by-step EXPLANATION: NATURAL numbers : 1,2,3,4,5....infinite Whole numbers : 0,1,2,3,4,5,....infinite INTEGERS are: –infinite,.......-3,-2,-1,0,1,2,3,..........infinite $\sqrt{5}$ RATIONAL number be like:

28.

Solve each of the following questions.identify whether the solution is a natural number, whole number,integer,or a rational number

Answer»

Step-by-step EXPLANATION:

NATURAL numbers : 1,2,3,4,5....infinite

Whole numbers : 0,1,2,3,4,5,....infinite

INTEGERS are: –infinite,.......-3,-2,-1,0,1,2,3,..........infinite

$\sqrt{5}$ RATIONAL number be like:

Discussion

29.	Factorise a-3b + a cube - 27 b cube
Answer» ANSWER: it MAY HELP u Step-by-step explanation: 2b+3b-9b-27 2(b+3)-9(b+3) 2-9=0 , b+3=0 x=9/2 , x=-3

29.

Factorise a-3b + a cube - 27 b cube

Answer»

ANSWER:

it MAY HELP u

Step-by-step explanation:

2b+3b-9b-27

2(b+3)-9(b+3)

2-9=0 , b+3=0

x=9/2 , x=-3

Discussion

30.	You are standing next to a really big circular lake. You want to measure the diameter of the lake, but you don’t want to have to swim across with a measuring tape ! You decide to walk around the perimeter of the lake and measure it circumference , and find that it’s 400 m. What is the diameter d of the lake?
Answer» <P>Given : a really BIG circular lake. , perimeter of the lake 400 m To FIND : Diameter of Circular Lake Step-by-step explanation: Circumference of circle is given by 2 π R where π = 22/7 or 3.14 R = Radius Its given that Circumference of circular lake = 400 m => 2 π R = 400 => R = 200/π => R = 200 /(22/7) => R = 700/11 Radius of Lake = 700/11 m Diameter of Lake = 2 * Radius = 2 * 700/11 = 1400/11 = 127.27 m Diameter of Lake = 127.27 m Learn more: if numerical value of the circumference and area is given circle are ... brainly.in/question/7142838 the perimeter of a semicircular protractor with diameter 10cm ... brainly.in/question/13217507 ab is a diameter of a circle and P is any point on the circumference ... brainly.in/question/13453839

30.

You are standing next to a really big circular lake. You want to measure the diameter of the lake, but you don’t want to have to swim across with a measuring tape ! You decide to walk around the perimeter of the lake and measure it circumference , and find that it’s 400 m. What is the diameter d of the lake?

Answer»

<P>Given : a really BIG circular lake. , perimeter of the lake 400 m

To FIND : Diameter of Circular Lake

Step-by-step explanation:

Circumference of circle is given by 2 π R

where π = 22/7 or 3.14

R = Radius

Its given that Circumference of circular lake = 400 m

=> 2 π R = 400

=> R = 200/π

=> R = 200 /(22/7)

=> R = 700/11

Radius of Lake = 700/11 m

Diameter of Lake = 2 * Radius

= 2 * 700/11

= 1400/11

= 127.27 m

Diameter of Lake = 127.27 m

Learn more:

if numerical value of the circumference and area is given circle are ...

brainly.in/question/7142838

the perimeter of a semicircular protractor with diameter 10cm ...

brainly.in/question/13217507

ab is a diameter of a circle and P is any point on the circumference ...

brainly.in/question/13453839

Discussion

31.	Find the square root of 1681
Answer» ANSWER: $\sqrt{1681} = 41 \\$

31.

Find the square root of 1681

Answer»

ANSWER:

$\sqrt{1681} = 41 \\$

Discussion

32.	Actual division 1/17 how?:
Answer» Answer: the answer is 0.05882352941 Step-by-step explanation: As numerator and denominator in the FRACTION cannot be FACTORIZED or simplified any further and denominator has PRIME factors different from 2 and 5. When CONVERTED to decimal, we will have repeating numbers beyond decimal point. The repeat will have 16 digits.

32.

Actual division 1/17 how?:

Answer»

Answer:

the answer is 0.05882352941

Step-by-step explanation:

As numerator and denominator in the FRACTION cannot be FACTORIZED or simplified any further and denominator has PRIME factors different from 2 and 5.

When CONVERTED to decimal, we will have repeating numbers beyond decimal point. The repeat will have 16 digits.

Discussion

33.	If 4x +13=7_2X find the value of x
Answer» ANSWER: x=-3 Step-by-step explanation: 4x-2x=7-13 2x=-6 x=-6/2 x=-3

33.

If 4x +13=7_2X find the value of x

Answer»

ANSWER:

x=-3

Step-by-step explanation:

4x-2x=7-13

2x=-6

x=-6/2

x=-3

Discussion

34.	Could you please give steps of construction
Answer» Noooooooooo..........

Discussion

35.	What will be the denominator after rationalising 7/(5√3 - 5√3)
Answer» Answer: 0 Step-by-step explanation: 5 ROOT3 _ 5 root3 Is 0 HOPE it is useful MARK me as BRAINLIEST

35.

What will be the denominator after rationalising 7/(5√3 - 5√3)

Answer»

Answer:

0

Step-by-step explanation:

5 ROOT3 _ 5 root3 Is 0

HOPE it is useful

MARK me as BRAINLIEST

Discussion

36.	A can contains 21 425 ml of soft drink how much soft drink will be there in 8 such cans
Answer» ANSWER: The answer to this QUESTION is = 171400 ML or 171.4 litres. I HOPE IT WILL HELP YOU.

36.

A can contains 21 425 ml of soft drink how much soft drink will be there in 8 such cans

Answer»

ANSWER:

The answer to this QUESTION is = 171400 ML or 171.4 litres.

I HOPE IT WILL HELP YOU.

Discussion

37.	How to calculate cumulative percentage
Answer» HIII.... ................

37.

How to calculate cumulative percentage

Answer»

HIII....

................

Discussion

38.	LCM of two or more numbers is divisible by their HCF. True or false
Answer» ANSWER: OK the answer is false Mark as BRAINIEST

38.

LCM of two or more numbers is divisible by their HCF. True or false

Answer»

ANSWER:

OK

the answer is false

Mark as BRAINIEST

Discussion

39.	Find ten rational between 3and4
Answer» ANSWER: Step-by-step explanation: first MULTIPLE 3 and 4 with 9 remember to write them in form of fractions 27 and 36 no write all the numbers between them

39.

Find ten rational between 3and4

Answer»

ANSWER:

Step-by-step explanation:

first MULTIPLE 3 and 4 with 9

remember to write them in form of fractions

27 and 36

no write all the numbers between them

Discussion

40.	Tan^-1 (1/4) + tan^-1 (2/9) = tan^-1 (1/2)
Answer» ANSWER: not possible Step-by-step EXPLANATION: by using TAN inverse formula

40.

Tan^-1 (1/4) + tan^-1 (2/9) = tan^-1 (1/2)

Answer»

ANSWER:

not possible

Step-by-step EXPLANATION:

by using TAN inverse formula

Discussion

41.	Find 2 numbers with sum 4 and product 2
Answer» ANSWER: 2+√2, 2-√2 Step-by-step EXPLANATION: HOPE this helps you Mark as Brainliest answer

41.

Find 2 numbers with sum 4 and product 2

Answer»

ANSWER:

2+√2, 2-√2

Step-by-step EXPLANATION:

HOPE this helps you

Mark as Brainliest answer

Discussion

42.	Which has greater area and by how much:a square of perimeter 0.88and a circle with circumference 0.88? Answer should come 0.0132
Answer» Step-by-step explanation: By your my ANSWER has come right babe.......! 1. Perimeter of SQUARE = 4A : 0.88 = 4a : a = 0.88/4 : a = 0.22 Therefore, the side of the square is 0.22 cm. So, the AREA of square = side x side = 0.22 x 0.22 = 0.0484 sq.cm. 2. Circumference of circle = 0.88 22/7 x d = 0.88 d = 0.28 Therefore ,the diameter of circle is 0.28 So,the radius will be 0.28/2 = 0.14 cm. Therefore, the area of the circle = 22/7 x 0.14 x 0.14 = 0.0616 sq.cm So here is your answer by how much means = 0.0616 - 0.0484 = 0.0132 sq.cm

42.

Which has greater area and by how much:a square of perimeter 0.88and a circle with circumference 0.88? Answer should come 0.0132

Answer»

Step-by-step explanation:

By your my ANSWER has come right babe.......!

1. Perimeter of SQUARE = 4A

: 0.88 = 4a

: a = 0.88/4

: a = 0.22

Therefore, the side of the square is 0.22 cm.

So, the AREA of square = side x side

= 0.22 x 0.22

= 0.0484 sq.cm.

2. Circumference of circle = 0.88

22/7 x d = 0.88

d = 0.28

Therefore ,the diameter of circle is 0.28 So,the radius will be 0.28/2 = 0.14 cm.

Therefore, the area of the circle = 22/7 x 0.14 x 0.14 = 0.0616 sq.cm

So here is your answer by how much means

= 0.0616 - 0.0484

= 0.0132 sq.cm

Discussion

43.	5. If the base area of a hemispherical solid is 1386 sq. metres, then find itstotal surface area? Answer: 4158 sq.mGeography - Unit...pptx
Answer» Step-by-step EXPLANATION: HOPE this is HELPFUL for you.

43.

5. If the base area of a hemispherical solid is 1386 sq. metres, then find itstotal surface area? Answer: 4158 sq.mGeography - Unit...pptx

Answer»

Step-by-step EXPLANATION:

HOPE this is HELPFUL for you.

Discussion

44.	Diagonals AC and BD of a trapezium ABCD with AB parallel DC intersect each other at O. Prove that ar(AOD)=ar(BOC).
Answer» $\huge{ \mathtt{ \purple{SOLUTION:-}}}$ Given: A trapezium ABCD in which AB parallel DC and diagonals AC and BD interest each other at O. To prove: ar(ADC) = ar(BOC) Proof: ∆ ABC and ∆BDC lie on the same base and between the same parallels AB and CD ∴ AR(ADC) = ar(BDC) [Triangles with same base and between same parallels are equal in area] Subtracting ar(DOC) from both sides $\large{ \implies}$ ar (ADC) - ar (DOC) = ar (BDC) - ar (DOC) $\large{ \implies}$ ar (AOD) = ar (BOC) $\large \green{ \mathtt{Hence \: proved}}$

44.

Diagonals AC and BD of a trapezium ABCD with AB parallel DC intersect each other at O. Prove that ar(AOD)=ar(BOC).

Answer»

$\huge{ \mathtt{ \purple{SOLUTION:-}}}$

Given:

A trapezium ABCD in which AB parallel DC and diagonals AC and BD interest each other at O.

To prove:

ar(ADC) = ar(BOC)

Proof:

∆ ABC and ∆BDC lie on the same base and between the same parallels AB and CD

∴ AR(ADC) = ar(BDC) [Triangles with same base and between same parallels are equal in area]

Subtracting ar(DOC) from both sides

$\large{ \implies}$ ar (ADC) - ar (DOC) = ar (BDC) - ar (DOC)

$\large{ \implies}$ ar (AOD) = ar (BOC)

$\large \green{ \mathtt{Hence \: proved}}$

Discussion

45.	1/(sin a+ cos a)+(1/sina -cos a)=2 sin a/1-2cos square a
Answer» Hi ! From LHS :- = 1/(SINA+ COSA) + 1/(sinA- cosA) = SinA-cosA+sinA+cosA/(sin²A - cos²A) , {LCM taken } = 2SINA/(1-cos²A-cos²A) °•° sin²A= 1-cos²A = 2sinA/ 1-2cos²A LHS = RHS PROVED _________________________ Hope it's HELPFUL

45.

1/(sin a+ cos a)+(1/sina -cos a)=2 sin a/1-2cos square a

Answer»

Hi !

From LHS :-

= 1/(SINA+ COSA) + 1/(sinA- cosA)

= SinA-cosA+sinA+cosA/(sin²A - cos²A) , {LCM taken }

= 2SINA/(1-cos²A-cos²A) °•° sin²A= 1-cos²A

= 2sinA/ 1-2cos²A

LHS = RHS PROVED

_________________________

Hope it's HELPFUL

Discussion

46.	If decimal expansion of a no is------- or----------
Answer» Step-by-step explanation: SORRY but your QUESTION is not clear....✌ pls post the CORRECT question again....☺️

46.

If decimal expansion of a no is------- or----------

Answer»

Step-by-step explanation:

SORRY but your QUESTION is not clear....✌

pls post the CORRECT question again....☺️

Discussion

47.	find the points equidistant from lines 4x+3y=0 3x-4y=3 the points being at distance 2^1/2 from the point og intersection of given lines
Answer» ANSWER: 3 is the answer U can SEE up

47.

find the points equidistant from lines 4x+3y=0 3x-4y=3 the points being at distance 2^1/2 from the point og intersection of given lines

Answer»

ANSWER:

3 is the answer U can SEE up

Discussion

48.	Can someone please tell me how to solve this?
Answer» ANSWER: Answer will be -2 Step-by-step EXPLANATION: HOPE this HELPS

48.

Can someone please tell me how to solve this?

Answer»

ANSWER:

Answer will be -2

Step-by-step EXPLANATION:

HOPE this HELPS

Discussion

49.	1. Separate the periods of the following using commas(a) 6875834 (b) 8935514 (c) 31215081
Answer» GIVEN : numbers a) 6875834 (b) 8935514 (c) 31215081 To find : Separate the periods of the following USING commas Solution: Using International SYSTEM : The first PERIOD, called ones period, is formed with the first 3 digits of the number. ( Counting from right side) • The second period, called thousands period, is formed with the next 3 digits of the number. • The THIRD period, called millions period, is formed with the digits after thousands. and so on .. 6875834 = 6 , 875 , 834 8935514 = 8 , 945 , 514 31215081 = 31 , 215 , 081 Using Indian system : The first period, called ones period, is formed with the first three digits of the number. ( same as in international System ) after that Each group of 2 Digits • The second period, called thousands period, is formed with the next two digits of the number. • The third period, called lakhs period, is formed with the next two digits of the number. • The fourth period, called crores period, is formed with the digits that come after lakhs. and so on 6875834 = 68 , 75 , 834 8935514 = 89 , 45 , 514 31215081 = 3 , 12 , 15 , 081 Learn more: उपयुक्त स्थानों पर अल्प विराम लगाइए और संख्या नामों को भारतीय संख्यांकन पद्धति में लिखिए : (a) 87595762 (b) 8546283 (c) 99900046 (d) 98432701 brainly.in/question/15414720 सही स्थानों पर अल्प विराम लगाते हुए, संख्यांकों को लिखिए: brainly.in/question/15414731

49.

1. Separate the periods of the following using commas(a) 6875834 (b) 8935514 (c) 31215081

Answer»

GIVEN : numbers a) 6875834 (b) 8935514 (c) 31215081

To find : Separate the periods of the following USING commas

Solution:

Using International SYSTEM :

The first PERIOD, called ones period, is formed with the first 3 digits of the number. ( Counting from right side)

• The second period, called thousands period, is formed with the next 3 digits of the number.

• The THIRD period, called millions period, is formed with the digits after thousands.

and so on ..

6875834 = 6 , 875 , 834

8935514 = 8 , 945 , 514

31215081 = 31 , 215 , 081

Using Indian system :

The first period, called ones period, is formed with the first three digits of the number. ( same as in international System )

after that Each group of 2 Digits

• The second period, called thousands period, is formed with the next two digits of the number.

• The third period, called lakhs period, is formed with the next two digits of the number.

• The fourth period, called crores period, is formed with the digits that come after lakhs.

and so on

6875834 = 68 , 75 , 834

8935514 = 89 , 45 , 514

31215081 = 3 , 12 , 15 , 081

Learn more:

उपयुक्त स्थानों पर अल्प विराम लगाइए और संख्या नामों को भारतीय संख्यांकन पद्धति में लिखिए : (a) 87595762 (b) 8546283 (c) 99900046 (d) 98432701

brainly.in/question/15414720

सही स्थानों पर अल्प विराम लगाते हुए, संख्यांकों को लिखिए:

brainly.in/question/15414731

Discussion

50.	Which of the following rational number have a terminating decimal expansion?A. 22/7B. 128/3125C. 290/140D. 123/1331
Answer» Answer: B. 128/3125 Step-by-step EXPLANATION: Its EXPANSION is 0.04096. The rest's are RECURRING.

50.

Which of the following rational number have a terminating decimal expansion?A. 22/7B. 128/3125C. 290/140D. 123/1331

Answer»

Answer:

B. 128/3125

Step-by-step EXPLANATION:

Its EXPANSION is 0.04096. The rest's are RECURRING.

Discussion

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