98971 + Interview Questions in Primary School in Math

1.	Find the value of the expression, if a = 2, b=-2, c = 1 Question a 2 abc+1
Answer» ANSWER: I can't SOLVE this question dvbbn

1.

Find the value of the expression, if a = 2, b=-2, c = 1 Question a 2 abc+1

Answer»

ANSWER:

I can't SOLVE this question

dvbbn

Discussion

2.	What is the formula of 444/44-555+86
Answer» ANSWER: I don't know dfbdjucbosB

2.

What is the formula of 444/44-555+86

Answer»

ANSWER:

I don't know

dfbdjucbosB

Discussion

3.	What is decimal point?
Answer» ANSWER: a full POINT or dot placed after the FIGURE representing UNITS in a decimal fraction.

3.

What is decimal point?

Answer»

ANSWER:

a full POINT or dot placed after the FIGURE representing UNITS in a decimal fraction.

Discussion

4.	Consider the following collection of numbers 1,5 , -2,0.5, 45, 53,0 . 2 22, -5, 0.125. Write these numbers under the appropriate category. 19 [A number can be written in more than one collection] (1) Natural numbers (i) Whole numbers (ii) Integers (iv) Rational numbers Would you leave out any of the given numbers from rational numbers? Is every natural number, whole number and integer a rational number?
Answer» I don't KNOW SORRY PLEASE

4.

Consider the following collection of numbers 1,5 , -2,0.5, 45, 53,0 . 2 22, -5, 0.125. Write these numbers under the appropriate category. 19 [A number can be written in more than one collection] (1) Natural numbers (i) Whole numbers (ii) Integers (iv) Rational numbers Would you leave out any of the given numbers from rational numbers? Is every natural number, whole number and integer a rational number?

Answer»

I don't KNOW SORRY PLEASE

Discussion

5.	Work sheet1) Write a quadratic polynomial, sum of whose zeroes is 2 and product is -8.2) A quadratic polynomial, whose zeroes are –3 and 4, is _______.3)Due to heavy storm an electric wire got bent as shown in the figure. It followed a mathematical shape. Answer the following questions below.What will be the expression of the polynomial? Image uploaded 4)Find the zeroes of the quadratic polynomial given as: x2 + 7x + 10, and also verify the relationship between the zeroes and the coefficients.5) If one of the zeroes of the quadratic polynomial (k – 1) x2 + kx + 1 is –3, then the value of k ?6)The number polynomials having zeroes as – 2 and 5 isA) 1 B) 2 C) 3 D) MORE THAN 3
Answer» ANSWER: *FIRST* *MARK* me *BRAINLEST* Step-by-step EXPLANATION: यह क्या बोल रहे हो कुछ समझ में नहीं आ रहा

5.

Work sheet1) Write a quadratic polynomial, sum of whose zeroes is 2 and product is -8.2) A quadratic polynomial, whose zeroes are –3 and 4, is _______.3)Due to heavy storm an electric wire got bent as shown in the figure. It followed a mathematical shape. Answer the following questions below.What will be the expression of the polynomial? Image uploaded 4)Find the zeroes of the quadratic polynomial given as: x2 + 7x + 10, and also verify the relationship between the zeroes and the coefficients.5) If one of the zeroes of the quadratic polynomial (k – 1) x2 + kx + 1 is –3, then the value of k ?6)The number polynomials having zeroes as – 2 and 5 isA) 1 B) 2 C) 3 D) MORE THAN 3

Answer»

ANSWER:

FIRST MARK me BRAINLEST

Step-by-step EXPLANATION:

यह क्या बोल रहे हो कुछ समझ में नहीं आ रहा

Discussion

6.	What is fraction? give example?
Answer» ANSWER: which are in the FORM of p/q

6.

What is fraction? give example?

Answer»

ANSWER:

which are in the FORM of p/q

Discussion

7.	By how much does 6/7/8 exceed 6/7/8 ?
Answer» ANSWER: 0 is the answer Step-by-step explanation: 6/7/8 = 6/7/8 and if a number p/q = p/q the DIFFERENCE is 0 Thank you with Regards, Pranhav SB

7.

By how much does 6/7/8 exceed 6/7/8 ?

Answer»

ANSWER: 0 is the answer

Step-by-step explanation:

6/7/8 = 6/7/8 and if a number p/q = p/q the DIFFERENCE is 0

Thank you with Regards,

Pranhav SB

Discussion

8.	In an election the successful candidate registered 5 , 77 , 500 votes and his nearest rival secured 3 , 48 , 700 votes . By what margin did the successful candidate win the election ?
Answer» Answer: 228800 Step-by-step EXPLANATION: votes of SUCCESSFUL candidate=577500 vote of his rival=348700 so successful candidate WIN the election by =577500-348700=228800 * THE CANDIDATE WIN BY 228800 VOTES

8.

In an election the successful candidate registered 5 , 77 , 500 votes and his nearest rival secured 3 , 48 , 700 votes . By what margin did the successful candidate win the election ?

Answer»

Answer:

228800

Step-by-step EXPLANATION:

votes of SUCCESSFUL candidate=577500

vote of his rival=348700

so successful candidate WIN the election by =577500-348700=228800

* THE CANDIDATE WIN BY 228800 VOTES

Discussion

9.	13^6×13^4 exponentially form
Answer» Step-by-step EXPLANATION: hsmsgeuekeewwldurnenemeowhrbtmekrhenebejneje

9.

13^6×13^4 exponentially form

Answer»

Step-by-step EXPLANATION:

hsmsgeuekeewwldurnenemeowhrbtmekrhenebejneje

Discussion

10.	If a = -1, b = 1, c = 2, verify that a x ( b + c) = a x b + a x c *
Answer» ANSWER: -3 Step-by-step EXPLANATION: -1(1+2)=-1×1+(-1)×2 -1(3)=-1-2 -3=-3

10.

If a = -1, b = 1, c = 2, verify that a x ( b + c) = a x b + a x c *

Answer»

ANSWER:

-3

Step-by-step EXPLANATION:

-1(1+2)=-1×1+(-1)×2

-1(3)=-1-2

-3=-3

Discussion

11.	If a=-1,b=1 and c=2, verify that ax(b+c)=a x b+ a x c
Answer» ANSWER: PLEASE MARK me a BRAINLIST

11.

If a=-1,b=1 and c=2, verify that ax(b+c)=a x b+ a x c

Answer»

ANSWER:

PLEASE MARK me a BRAINLIST

Discussion

12.	Which digit has the same face value and the same place value in 76185493
Answer» ANSWER: 9 is the answer for your question Step-by-step EXPLANATION:

12.

Which digit has the same face value and the same place value in 76185493

Answer»

ANSWER:

9 is the answer for your question

Step-by-step EXPLANATION:

Discussion

13.	Which point marked on this number line has the least value?
Answer» BUT WHERE IS THE NUMBER LINE?? THIS QUESTION IS INCOMPLETE

13.

Which point marked on this number line has the least value?

Answer»

BUT WHERE IS THE NUMBER LINE??

THIS QUESTION IS INCOMPLETE

Discussion

14.	12500[ 1 + 10/100] to the power of 3please answer
Answer» Answer: 12500[1+10/100]^3 12500[110/100]^3 12500[110/100 × 110/100 ×110/100] by SOLVING ans=16,637.5

14.

12500[ 1 + 10/100] to the power of 3please answer

Answer»

Answer:

12500[1+10/100]^3

12500[110/100]^3

12500[110/100 × 110/100 ×110/100]

by SOLVING

ans=16,637.5

Discussion

15.	If the sum of two consecutive numbers is 71 and one number is x, then the other number is ?
Answer» Step-by-step explanation: If the sum of TWO CONSECUTIVE numbers is 71 and one NUMBER is x, then it can be represented as- A None of these B x + x = 71 C X + (x+1) = 71 D X + (x+2) = 71 ` 71 x + 37 y = 253 `, ` 37 x + 71 y = 287`.

15.

If the sum of two consecutive numbers is 71 and one number is x, then the other number is ?

Answer»

Step-by-step explanation:

If the sum of TWO CONSECUTIVE numbers is 71 and one NUMBER is x, then it can be represented as- A None of these B x + x = 71 C X + (x+1) = 71 D X + (x+2) = 71 ` 71 x + 37 y = 253 `,
` 37 x + 71 y = 287`.

Discussion

16.	Take any two prime numbers. find their FCM and HCF what is your observation?
Answer» Answer: 2 3 are TWO PRIME NUMBER .

16.

Take any two prime numbers. find their FCM and HCF what is your observation?

Answer»

Answer:

2 3 are TWO PRIME NUMBER .

Discussion

17.	If a²+b²+c²=20 and a+b+c=9 find ab +bc+ca
Answer» ANSWER: SORRY I don't know ffddghh

17.

If a²+b²+c²=20 and a+b+c=9 find ab +bc+ca

Answer»

ANSWER:

SORRY I don't know

ffddghh

Discussion

18.	-4 वाईफाई को ऐसी परिमेय संख्या के रूप में व्यक्त कीजिए जिसका हर निम्नलिखित हो 30 - 45
Answer» ANSWER: PLZ ASK in english Step-by-step EXPLANATION:

18.

-4 वाईफाई को ऐसी परिमेय संख्या के रूप में व्यक्त कीजिए जिसका हर निम्नलिखित हो 30 - 45

Answer»

ANSWER: PLZ ASK in english

Step-by-step EXPLANATION:

Discussion

19.	Write the placevalue of the underlimed digit
Answer» Answer: 7 Step-by-step EXPLANATION:

19.

Write the placevalue of the underlimed digit

Answer»

Answer:

7

Step-by-step EXPLANATION:

Discussion

20.	(128)2-(72)2 find the value of
Answer» Step-by-step explanation: 128×2-72×2 =256-144 =112

20.

(128)2-(72)2 find the value of

Answer»

Step-by-step explanation:

128×2-72×2

=256-144

=112

Discussion

21.	H.21 संख्या रेषेवर P बिंदुचा निर्देशक-3 आहे आन् तर p पासुन 5 एकक अंतरावर असागाचा बिंदूचे निदेशक काढा ?
Answer» ANSWER: दिया था छुट्टी मिल रही हूं और मेरे हादो डिपेंडेंट को बता दें फिर मैं ले कर रहा हैं आज भी उठा रहे और पीछे छोड़ दी सर से बाहर आ जाओ तुम मेरे भाई साहब से आने लगा तो कोई आया कि सिखलाई से

21.

H.21 संख्या रेषेवर P बिंदुचा निर्देशक-3 आहे आन् तर p पासुन 5 एकक अंतरावर असागाचा बिंदूचे निदेशक काढा ?

Answer»

ANSWER:

दिया था छुट्टी मिल रही हूं और मेरे हादो डिपेंडेंट को बता दें फिर मैं ले कर रहा हैं आज भी उठा रहे और पीछे छोड़ दी सर से बाहर आ जाओ तुम मेरे भाई साहब से आने लगा तो कोई आया कि सिखलाई से

Discussion

22.	(i) (-1)x(-2)x(-3) (ii) 16x(-3)x0
Answer» Answer: 1. -6 2. O HOPE its help Please MARK me as BRAINLIEST.

22.

(i) (-1)x(-2)x(-3) (ii) 16x(-3)x0

Answer»

Answer:

1. -6

2. O

HOPE its help

Please MARK me as BRAINLIEST.

Discussion

23.	Pleease HELPPP pleeaseee it's hard
Answer» Answer: *USING* *the* *identity, ${ ({a}^{m} )}^{n} = {a}^{mn}$ So, the* *answer* *PROCEEDS* as, ${ { { (\frac{8}{9}) }^{ - 2} }^{ \frac{1}{3} } }^{6} = {( \frac{8}{9} )}^{ - 2 \times 6 \times \frac{1}{3} } = {( \frac{8}{9}) }^{ - 4}$ $= {( \frac{9}{8})}^{4} = \frac{729}{512}$ Plz *mark* me as *the* *brainliast*.

23.

Pleease HELPPP pleeaseee it's hard

Answer»

Answer:

USING the identity,

${ ({a}^{m} )}^{n} = {a}^{mn}$

So, the answer PROCEEDS as,

${ { { (\frac{8}{9}) }^{ - 2} }^{ \frac{1}{3} } }^{6} = {( \frac{8}{9} )}^{ - 2 \times 6 \times \frac{1}{3} } = {( \frac{8}{9}) }^{ - 4}$

$= {( \frac{9}{8})}^{4} = \frac{729}{512}$

Plz mark me as the brainliast.

Discussion

24.	Express 6.578888... in p/q form
Answer» Step-by-step EXPLANATION: EXPRESS 6.578888 in p/q FORM $\: \: \: \: \: \: \: \: \:$

24.

Express 6.578888... in p/q form

Answer»

Step-by-step EXPLANATION:

EXPRESS 6.578888 in p/q FORM

$\: \: \: \: \: \: \: \: \:$

Discussion

25.	5. State True or False:- A number ending with odd number of zeros can be a perfect square
Answer» ANSWER False If a number ENDS with an ODD number of zeros then it is not a perfect square. please mark my answer as a BRAINLIST

25.

5. State True or False:- A number ending with odd number of zeros can be a perfect square

Answer»

ANSWER

False If a number ENDS with an ODD number of zeros then it is not a perfect square.

please mark my answer as a BRAINLIST

Discussion

26.	LCM of 8x to the power of 2 y to the power of 3 and -2xy
Answer» ANSWER: THANK you so MUCH

26.

LCM of 8x to the power of 2 y to the power of 3 and -2xy

Answer»

ANSWER:

THANK you so MUCH

Discussion

27.	Work sheet1) Write a quadratic polynomial, sum of whose zeroes is 2 and product is -8.2) A quadratic polynomial, whose zeroes are –3 and 4, is _______.3)Due to heavy storm an electric wire got bent as shown in the figure. It followed a mathematical shape. Answer the following questions below.What will be the expression of the polynomial? 4)Find the zeroes of the quadratic polynomial given as: x2 + 7x + 10, and also verify the relationship between the zeroes and the coefficients.5) If one of the zeroes of the quadratic polynomial (k – 1) x2 + kx + 1 is –3, then the value of k ?6)The number polynomials having zeroes as – 2 and 5 isA) 1 B) 2 C) 3 D) MORE THAN 3
Answer» Answer: 1 . x^2 - 2X -8 2. x^2 - x - 12 3. it will be a quadratic POLYNOMIAL 4. zeroes are -5,-2 5. k = 10 ÷ 3 6. d

27.

Work sheet1) Write a quadratic polynomial, sum of whose zeroes is 2 and product is -8.2) A quadratic polynomial, whose zeroes are –3 and 4, is _______.3)Due to heavy storm an electric wire got bent as shown in the figure. It followed a mathematical shape. Answer the following questions below.What will be the expression of the polynomial? 4)Find the zeroes of the quadratic polynomial given as: x2 + 7x + 10, and also verify the relationship between the zeroes and the coefficients.5) If one of the zeroes of the quadratic polynomial (k – 1) x2 + kx + 1 is –3, then the value of k ?6)The number polynomials having zeroes as – 2 and 5 isA) 1 B) 2 C) 3 D) MORE THAN 3

Answer»

Answer:

1 . x^2 - 2X -8

2. x^2 - x - 12

3. it will be a quadratic POLYNOMIAL

4. zeroes are -5,-2

5. k = 10 ÷ 3

6. d

Discussion

28.	2/1/3 x 3/1/5 fraction
Answer» ANSWER: Hello dear Step-by-step EXPLANATION: How are you PLEASE following me

28.

2/1/3 x 3/1/5 fraction

Answer»

ANSWER:

Hello dear

Step-by-step EXPLANATION:

How are you PLEASE following me

Discussion

29.	दोन प्रतलांचा ठेवसंच काय असतो ?
Answer» Step-by-step EXPLANATION: $\quad\dag{\underline{\boxed{\sf{\red{A ={P{\bigg(1 + \dfrac{R}{100}{\bigg)}^{T}}}}}}}}$

29.

दोन प्रतलांचा ठेवसंच काय असतो ?

Answer»

Step-by-step EXPLANATION:

$\quad\dag{\underline{\boxed{\sf{\red{A ={P{\bigg(1 + \dfrac{R}{100}{\bigg)}^{T}}}}}}}}$

Discussion

30.	Please do I don't know will mark brainliest
Answer» 10. 5^5 which is 3125. 11. 25/36 The EXPLANATIONS and the STEPS have been ATTACHED above.

30.

Please do I don't know will mark brainliest

Answer»

10. 5^5 which is 3125.

11. 25/36

The EXPLANATIONS and the STEPS have been ATTACHED above.

Discussion

31.	Express in usal form 1.67262*10 `6
Answer» ANSWER: smsmsnshslw eksvebsls dvdksksodbdmdl

31.

Express in usal form 1.67262*10 `6

Answer»

ANSWER:

smsmsnshslw eksvebsls dvdksksodbdmdl

Discussion

32.	10. Without actual squaring, find the value of:(a) 352 - 342 (b) 1052 - 1042
Answer» Step-by-step EXPLANATION: nnsnxndhr for krkdkr during, really fkjejd dpirkeld kdkel diesels ksje elel

32.

10. Without actual squaring, find the value of:(a) 352 - 342 (b) 1052 - 1042

Answer»

Step-by-step EXPLANATION:

nnsnxndhr

for

krkdkr

during, really

fkjejd

dpirkeld

kdkel

diesels

ksje

elel

Discussion

33.	If 58 x 156 = 9048, what is 59 x 156 ?(1 Point)9048 + 19048 + 589048 + 599048 + 156
Answer» ANSWER: if 58×156= 9048 then 59× 156 = 9048+ 156

33.

If 58 x 156 = 9048, what is 59 x 156 ?(1 Point)9048 + 19048 + 589048 + 599048 + 156

Answer»

ANSWER:

if 58×156= 9048 then 59× 156 = 9048+ 156

Discussion

34.	which of the following number is not a perfect square? 1024 , 5678 , 1296
Answer» Answer: 5678 is not a PERFECT square. Hope it HELPS MARK me as BRAINLIEST.

34.

which of the following number is not a perfect square? 1024 , 5678 , 1296

Answer»

Answer:

5678 is not a PERFECT square.

Hope it HELPS

MARK me as BRAINLIEST.

Discussion

35.	The length of the rectangle is double to the width of the rectangle is 144Sqmet then find l=? b=?
Answer» Answer: let width of RECTANGLE is L and LENGTH of rectangle is 2L =Area of rectangle = l×b 144m^2 = 2L×L 144m^2 = 2L^2 144m^2/2= L^2 72 m^2= L^2 √72m^2= L 8.4M= L Width = 8 .4m length=2×8.4 = 16.8

35.

The length of the rectangle is double to the width of the rectangle is 144Sqmet then find l=? b=?

Answer»

Answer:

let width of RECTANGLE is L and

LENGTH of rectangle is 2L

=Area of rectangle = l×b

144m^2 = 2L×L

144m^2 = 2L^2

144m^2/2= L^2

72 m^2= L^2

√72m^2= L

8.4M= L

Width = 8 .4m

length=2×8.4

= 16.8

Discussion

36.	2) A quadratic polynomial, whose zeroes are –3 and 4, is _______.
Answer» Answer: x^2 - x - 12 Step-by-step explanation: FORMULA is x^2 - SX + P here , S = Sum of ZEROES and P = Product of zeroes

36.

2) A quadratic polynomial, whose zeroes are –3 and 4, is _______.

Answer»

Answer:

x^2 - x - 12

Step-by-step explanation:

FORMULA is

x^2 - SX + P

here , S = Sum of ZEROES

and P = Product of zeroes

Discussion

37.	1) Write a quadratic polynomial, sum of whose zeroes is 2 and product is -8.
Answer» ANSWER: here is your answer HOPE it HELPS you

37.

1) Write a quadratic polynomial, sum of whose zeroes is 2 and product is -8.

Answer»

ANSWER:

here is your answer

HOPE it HELPS you

Discussion

38.	Please do will mark brainliest please HELPPP idk to do
Answer» ANSWER: $\huge \mathfrak\red{ \frac{ {3}^{ - 5} \times {10}^{ - 5} \times 125 }{ {5}^{ - 7} \times {6}^{ - 5} } = \frac{ {3}^{ - 5} \times {10}^{ - 5} \times {5}^{3} }{ {5}^{ - 7} \times {6}^{ - 5} } }$ $\huge \mathfrak\red{ = \frac{ {5}^{7} \times {6}^{5} \times {5}^{3} }{ {3}^{5} \times {10}^{5} } = \frac{ {5}^{10} \times {6}^{5} }{ {3}^{5} \times {10}^{5}}}$ $\huge \mathfrak\red{ = \frac{9765625 \times 7776}{243 \times 100000} }$ $\huge \mathfrak\red{ = \frac{3125 \times 32}{16 \times 1} = 3125}$ PLEASE MARK ME BRAINLIEST

38.

Please do will mark brainliest please HELPPP idk to do

Answer»

ANSWER:

$\huge \mathfrak\red{ \frac{ {3}^{ - 5} \times {10}^{ - 5} \times 125 }{ {5}^{ - 7} \times {6}^{ - 5} } = \frac{ {3}^{ - 5} \times {10}^{ - 5} \times {5}^{3} }{ {5}^{ - 7} \times {6}^{ - 5} } }$

$\huge \mathfrak\red{ = \frac{ {5}^{7} \times {6}^{5} \times {5}^{3} }{ {3}^{5} \times {10}^{5} } = \frac{ {5}^{10} \times {6}^{5} }{ {3}^{5} \times {10}^{5}}}$

$\huge \mathfrak\red{ = \frac{9765625 \times 7776}{243 \times 100000} }$

$\huge \mathfrak\red{ = \frac{3125 \times 32}{16 \times 1} = 3125}$

PLEASE MARK ME BRAINLIEST

Discussion

39.	Please answer fast I will mark u brainliest
Answer» Answer: 0 rational $\frac{y}{1}$ $\frac{8}{33}$ $\frac{11}{12}$ 1 hope this HELPS U...

39.

Please answer fast I will mark u brainliest

Answer»

Answer:

0

rational

$\frac{y}{1}$

$\frac{8}{33}$

$\frac{11}{12}$

1

hope this HELPS U...

Discussion

40.	Express 6.578888... in fractional form
Answer» Step-by-step explanation: 6578888/1000000 ( divide the number after how many digits from UNIT place the decimal is putted means it is putted after SIX digits means divide it by FIRSTLY 1 and after that 5 zeroes means 100000

40.

Express 6.578888... in fractional form

Answer»

Step-by-step explanation:

6578888/1000000 ( divide the number after how many digits from UNIT place the decimal is putted means it is putted after SIX digits means divide it by FIRSTLY 1 and after that 5 zeroes means 100000

Discussion

41.	2) the sum of two supplementary angle is 180 in aticidend and conquence
Answer» Answer: 90 mark me as BRAINLIEST

41.

2) the sum of two supplementary angle is 180 in aticidend and conquence

Answer»

Answer:

90

mark me as BRAINLIEST

Discussion

42.	5. Convert the following:(a) 7 kg 8 hg 9 dag 3 g intog(b) 13 kg 7 hg 3 dag intog(c) 6 kg 6 hg intog(d) 6 kg 5 hg 4 dag 2 g intog
Answer» Answer: a) 7893 gram b) 13730 gram c) 6600 gram d) 6542 gram Step-by-step explanation: a) 7 kg = 7000 g, 8 hg = 800, 9 dg = 90, 3 g = (7000 + 800 + 90 + 3) g = 7893 gram b) 13 kg = 13000 g, 7 hg = 700 g, 3 dg = 30 g = (13000 + 700 + 30) g = 13730 gram c) 6 kg = 6000 g, 6 hg = 600 g = (6000 + 600) g = 6600 gram d) 6 kg = 6000 g, 5 hg = 500 g, 4 dg = 40 g, 2 g = (6000 + 500 + 40 + 2) g = 6542 gram Hope this answer with steps will be helpful...

42.

5. Convert the following:(a) 7 kg 8 hg 9 dag 3 g intog(b) 13 kg 7 hg 3 dag intog(c) 6 kg 6 hg intog(d) 6 kg 5 hg 4 dag 2 g intog

Answer»

Answer:

a) 7893 gram

b) 13730 gram

c) 6600 gram

d) 6542 gram

Step-by-step explanation:

a) 7 kg = 7000 g, 8 hg = 800, 9 dg = 90, 3 g

= (7000 + 800 + 90 + 3) g = 7893 gram

b) 13 kg = 13000 g, 7 hg = 700 g, 3 dg = 30 g

= (13000 + 700 + 30) g = 13730 gram

c) 6 kg = 6000 g, 6 hg = 600 g

= (6000 + 600) g = 6600 gram

d) 6 kg = 6000 g, 5 hg = 500 g, 4 dg = 40 g, 2 g

= (6000 + 500 + 40 + 2) g = 6542 gram

Hope this answer with steps will be helpful...

Discussion

43.	8/ ROOT 8- ROOT 6 DO RATIONALISATION SOLVE
Answer» ANSWER: OK ok ok ok ok ok ok ok ok ok

43.

8/ ROOT 8- ROOT 6 DO RATIONALISATION SOLVE

Answer»

ANSWER:

OK ok ok ok ok ok ok ok ok ok

Discussion

44.	What is the smallest number by which 2925 must be divided so that the quotient is a perfect cube?with explanation.
Answer» Answer: We are given a NUMBER 2925. We have to find the number by which 2925 MUST be divided to obtain a PERFECT square. Firstly, prime factorize 2925. 2925 is an odd number so it is not divisible by 2. So start from the next prime which is 3. 2925 can be WRITTEN as three times 975. 2925=3×975 975 can be written as three times 325. 2925=3×3×325 325 can be written five times 65 2925=3×3×5×65 65 can be written as five times 13. 2925=3×3×5×5×132925=32×52×131 In the RESULT, the exponent of 3 is 2 (even), the exponent of 5 is 2 (even) but the exponent of 13 is 1 which is odd. For a number to be a perfect square the primes in its prime factorization should have even exponents. So eliminate 13. Therefore, 2925 must be divided by 13 to be a perfect square. The perfect square will be 32×52=9×25=225 Now, find the square root of 225. 225=32×52225−−−√=32×52−−−−−−√=3×5=15 15 is the square root of 225. 2925 must be divided by 13 to obtain a perfect square 225 and the square root of 225 is 15.

44.

What is the smallest number by which 2925 must be divided so that the quotient is a perfect cube?with explanation.

Answer»

Answer:

We are given a NUMBER 2925. We have to find the number by which 2925 MUST be divided to obtain a PERFECT square.

Firstly, prime factorize 2925.

2925 is an odd number so it is not divisible by 2. So start from the next prime which is 3.

2925 can be WRITTEN as three times 975.

2925=3×975

975 can be written as three times 325.

2925=3×3×325

325 can be written five times 65

2925=3×3×5×65

65 can be written as five times 13.

2925=3×3×5×5×132925=32×52×131

In the RESULT, the exponent of 3 is 2 (even), the exponent of 5 is 2 (even) but the exponent of 13 is 1 which is odd. For a number to be a perfect square the primes in its prime factorization should have even exponents. So eliminate 13.

Therefore, 2925 must be divided by 13 to be a perfect square.

The perfect square will be 32×52=9×25=225

Now, find the square root of 225.

225=32×52225−−−√=32×52−−−−−−√=3×5=15

15 is the square root of 225.

2925 must be divided by 13 to obtain a perfect square 225 and the square root of 225 is 15.

Discussion

45.	6.IDENTIFY THE PROPERTYUSED: 25+0=25=0+25 *
Answer» ANSWER: GOOD AFTERNOON PLEASE THANKS me

45.

6.IDENTIFY THE PROPERTYUSED: 25+0=25=0+25 *

Answer»

ANSWER:

GOOD AFTERNOON PLEASE THANKS me

Discussion

46.	Please answer I will mark u BRAINLIEST
Answer» EXPLANATION. ⇒ a = 1/2, b = 2/3, C = 3/7. As we KNOW that, To verify. ⇒ a x (b + c) = a x b + a x c. First we FIND L.H.S. ⇒ a x (b + c). ⇒ 1/2 x (2/3 + 3/7). ⇒ 1/2 x (14 + 9/21). ⇒ 1/2 x 23/21. ⇒ 23/42. Now, we find R.H.S. ⇒ a x b + a x c. ⇒ 1/2 x 2/3 + 1/2 x 3/7. ⇒ 1/3 + 3/14. ⇒ (14 + 9/42). ⇒ 23/42. ⇒ L.H.S. = R.H.S. Hence proved.

46.

Please answer I will mark u BRAINLIEST

Answer»

EXPLANATION.

⇒ a = 1/2, b = 2/3, C = 3/7.

As we KNOW that,

To verify.

⇒ a x (b + c) = a x b + a x c.

First we FIND L.H.S.

⇒ a x (b + c).

⇒ 1/2 x (2/3 + 3/7).

⇒ 1/2 x (14 + 9/21).

⇒ 1/2 x 23/21.

⇒ 23/42.

Now, we find R.H.S.

⇒ a x b + a x c.

⇒ 1/2 x 2/3 + 1/2 x 3/7.

⇒ 1/3 + 3/14.

⇒ (14 + 9/42).

⇒ 23/42.

⇒ L.H.S. = R.H.S.

Hence proved.

Discussion

47.	Find the difference in the place value of 6 in 8,34,65,261 please tell
Answer» Answer: 59940 Step-by-step EXPLANATION: place VALUE of first six is 60000 place value of second 6 is 60 now the difference 60000-60=59940

47.

Find the difference in the place value of 6 in 8,34,65,261 please tell

Answer»

Answer:

59940

Step-by-step EXPLANATION:

place VALUE of first six is 60000

place value of second 6 is 60

now the difference

60000-60=59940

Discussion

48.	Find the reciprocal of -4 by -17
Answer» ANSWER: -17/-4 Step-by-step EXPLANATION: HOPE this will HELP you

48.

Find the reciprocal of -4 by -17

Answer»

ANSWER:

-17/-4

Step-by-step EXPLANATION:

HOPE this will HELP you

Discussion

49.	Write a pair of integerswhoso sum give10.
Answer» Step-by-step explanation: ( − 5 ) + ( 5 ) = 5 − 5 = 0 . THEREFORE, a pair of INTEGERS whose SUM is 0 is and 5. Therefore, a pair of integers whose sum is 10 is 5 and 15.

49.

Write a pair of integerswhoso sum give10.

Answer»

Step-by-step explanation:

( − 5 ) + ( 5 ) = 5 − 5 = 0 . THEREFORE, a pair of INTEGERS whose SUM is 0 is and 5. Therefore, a pair of integers whose sum is 10 is 5 and 15.

Discussion

50.	Please do will mark brainliest
Answer» Answer: Both answer 1 Because ACCORDING to formula a⁰=1 In last Whole POWER 0 so HOPE THIS HELPS U *MARK* AS *BRAINLIEST* *ANSWER* *PLEASE*

50.

Please do will mark brainliest

Answer»

Answer:

Both answer 1

Because

ACCORDING to formula

a⁰=1 In last Whole POWER 0 so

HOPE THIS HELPS U

MARK AS BRAINLIEST ANSWER PLEASE

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