332354 + Interview Questions in Secondary School in Math

1.	Exercise 3.2 ka question number 6 class 10th
Answer» ANSWER: TELL the name of book also or directly post that question. Step-by-step explanation: HOPE it helps ✔✔

1.

Exercise 3.2 ka question number 6 class 10th

Answer»

ANSWER:

TELL the name of book also or directly post that question.

Step-by-step explanation:

HOPE it helps ✔✔

Discussion

2.	Solue;x + y +z=6.2x+3y + 4z=20.3x +2y + 5z =22.
Answer» Answer: x=-3.5,y=11,z=-1.5 Step-by-step EXPLANATION: (2x+3y+4z=20)×3 (3x+2y+5z=22)×2 step1 -STEP2, we get y+2z=8, eqn 3. now (x+y+z=6)×2. now eqn (2x+3y+4z=20) - STEP4. we get 5y+22z=22, eqn 6. eqn6 - eqn3, we get 6y=66, therefore y =11. from eqn 3, we get 11+2z=8, therefore z= -1. 5. from the eqn x+y+z=6, we get x+11-1.5=6, therefore x= -3.5

2.

Solue;x + y +z=6.2x+3y + 4z=20.3x +2y + 5z =22.

Answer»

Answer:

x=-3.5,y=11,z=-1.5

Step-by-step EXPLANATION:

(2x+3y+4z=20)×3
(3x+2y+5z=22)×2
step1 -STEP2, we get y+2z=8, eqn 3.
now (x+y+z=6)×2.
now eqn (2x+3y+4z=20) - STEP4. we get 5y+22z=22, eqn 6.
eqn6 - eqn3, we get 6y=66, therefore y =11.
from eqn 3, we get 11+2z=8, therefore z= -1. 5.
from the eqn x+y+z=6, we get x+11-1.5=6, therefore x= -3.5

Discussion

3.	How many 3 digit numbers are divisible by 7 and 10
Answer» ANSWER: Step-by-step EXPLANATION:

3.

How many 3 digit numbers are divisible by 7 and 10

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

4.	Qs. Use Euclid division lemma to show that the square of any positive integer cannot be in the form 5m+2 or 5m+3 for some integer m.
Answer» Step-by-step EXPLANATION: PLEASE MARK me as BRIAN LIST

4.

Qs. Use Euclid division lemma to show that the square of any positive integer cannot be in the form 5m+2 or 5m+3 for some integer m.

Answer»

Step-by-step EXPLANATION:

PLEASE MARK me as BRIAN LIST

Discussion

5.	Plz give me answer i will make you branilt
Answer» a)4,50, 931 Four LAKH fifty THOUSAND NINE hundred and thirty one b)75,07, 065 Seventy five lakh seven thousand and sixty five c)84, 26, 902 Eighty four lakh twenty six thousand nine hundred and two Hope this will HELP u mate :)

5.

Plz give me answer i will make you branilt

Answer»

a)4,50, 931

Four LAKH fifty THOUSAND NINE hundred and thirty one

b)75,07, 065

Seventy five lakh seven thousand and sixty five

c)84, 26, 902

Eighty four lakh twenty six thousand nine hundred and two

Hope this will HELP u mate :)

Discussion

6.
Answer» $\huge {\fbox{\fbox{\bigstar{\mathfrak{\red{Answer}}}}}}$ $\text{[math]}$ HOPE it HELPS

6.

Answer»

$\huge {\fbox{\fbox{\bigstar{\mathfrak{\red{Answer}}}}}}$

$\text{[math]}$ HOPE it HELPS

Discussion

7.	—-+—-+—- =30(fill the blanks using 1,3,5,7,9,11,13,15)you can also repeat the numbersplease help me to find out
Answer» Answer: It could not possible because when we ADD THREE odd numbers it will ALWAYS result in an odd numbes.So it could not possible to GET 30 as a result... hope it helps thank you plz mark it as BRANLIEST

7.

—-+—-+—- =30(fill the blanks using 1,3,5,7,9,11,13,15)you can also repeat the numbersplease help me to find out

Answer»

Answer:

It could not possible because when we ADD THREE odd numbers it will ALWAYS result in an odd numbes.So it could not possible to GET 30 as a result...

hope it helps

thank you

plz mark it as BRANLIEST

Discussion

8.	What difference + and_???
Answer» ANSWER: They are DIFFERENT SYMBOLS and are USED in different ways. Step-by-step EXPLANATION:

8.

What difference + and_???

Answer»

ANSWER:

They are DIFFERENT SYMBOLS and are USED in different ways.

Step-by-step EXPLANATION:

Discussion

9.	The second hand of a watch is 3.6 cm long. How far does its tip move in 35 seconds(use pie=3.14)
Answer» Answer: 3.143.6=11.304 Step-by-step explanation:* 1second me 11.304 35 SECOND me 11.304*35 = 395.64

9.

The second hand of a watch is 3.6 cm long. How far does its tip move in 35 seconds(use pie=3.14)

Answer»

Answer:

3.14*3.6=11.304

Step-by-step explanation:

1second me 11.304

35 SECOND me

11.304*35 = 395.64

Discussion

10.	2x square-2root2x+1=0completing the square method
Answer» ANSWER: IF ITS SQUARE METHOD I GUESS ITS SQUARING ON BOTH SIDE SO (2²-2√2X+1=0)² 16-8x+1 17-8x HOPE IT HELPS YOU

10.

2x square-2root2x+1=0completing the square method

Answer»

ANSWER:

IF ITS SQUARE METHOD I GUESS ITS SQUARING ON BOTH SIDE

SO

(2²-2√2X+1=0)²

16-8x+1

17-8x

HOPE IT HELPS YOU

Discussion

11.	The following tayTombe di mirannao123Number of lateFind the event was
Answer» DUDE ur question is not CLEAR....... please CHECK the question.....,

11.

The following tayTombe di mirannao123Number of lateFind the event was

Answer»

DUDE ur question is not CLEAR.......

please CHECK the question.....,

Discussion

12.	Slove with clear explanation
Answer» ANSWER: HOPE this WOULD HELP you

12.

Slove with clear explanation

Answer»

ANSWER:

HOPE this WOULD HELP you

Discussion

13.	if the ratio of boys and girls of a school is 4 ratio 5 and there is a increment of boys by 30% and increasement in girls by 40% find the new ratio of boys to girls
Answer» ANSWER: Step-by-step explanation: There is an important DIFFERENCE between the way counts are viewed in ratio to that in fractions. The ratio of boys : GIRLS →4:5 so you have 4 boys and 5 girls making the whole count 4+5=9 in its simplest form. So to change the ratio proportion into fraction proportion we have: boys →4/9 of the whole. girls →5/9of the whole. It is given that the whole is 3321 therefore the count of boys is: 4/9×3321=1476

13.

if the ratio of boys and girls of a school is 4 ratio 5 and there is a increment of boys by 30% and increasement in girls by 40% find the new ratio of boys to girls

Answer»

ANSWER:

Step-by-step explanation:

There is an important DIFFERENCE between the way counts are viewed in ratio to that in fractions.

The ratio of boys : GIRLS →4:5

so you have 4 boys and 5 girls making the whole count

4+5=9

in its simplest form.

So to change the ratio proportion into fraction proportion we have:

boys →4/9 of the whole.

girls →5/9of the whole.

It is given that the whole is 3321 therefore the count of boys is:

4/9×3321=1476

Discussion

14.	Find the value of 13by 3 divided (15by)
Answer» Answer: 13/3 ÷ 15 = 13 / 45 = 0.288 Step-by-step explanation: hope it HELPS ✔✔

14.

Find the value of 13by 3 divided (15by)

Answer»

Answer:

13/3 ÷ 15

= 13 / 45

= 0.288

Step-by-step explanation:

hope it HELPS ✔✔

Discussion

15.	What is the exponent of variable in a linear equation
Answer» ANSWER: Step-by-step explanation: We have dealt with LINEAR FUNCTIONS earlier. All types of EQUATIONS containing TWO unknown (x and y) variables may be inserted in a coordinate system. These types of equations are known as functions. A straight line is known as a linear function.

15.

What is the exponent of variable in a linear equation

Answer»

ANSWER:

Step-by-step explanation:

We have dealt with LINEAR FUNCTIONS earlier. All types of EQUATIONS containing TWO unknown (x and y) variables may be inserted in a coordinate system. These types of equations are known as functions. A straight line is known as a linear function.

Discussion

16.	The price of item A increases by 50 paise every year while the price of item B increases by25 paise every year. If in 2008, the price of itern A was Rs. 3.20 and that of B wax Rs.5.30, inwhich year item A will cost 40 paise more than the item B?
Answer» After 10 YEARS in 2018. Because 100.5+3.2=₹8.20 And 100.25+5.30=₹7.80

Discussion

17.	Mean of 'n' observations is X. if we add 1 into 1st Observation, 2 into 2nd observation and than so on so what will be new mean?
Answer» i think this is RIGHT ans for you 3,252 Views Step-by-step explanation: Mean of x1,X2,...xn is x nx1+x2+x3+...+xn=x ⇒i=1∑nx=nx __(1) on adding 1 to x1,2 to x2 and so on we get x1+1+x2+2+...+xn+n =(x1+x2+...+xn)+(1+2+...+n) =∑n+2n(n+1) NEW mean =nNewsummation =n∑n+2n(n+1)

17.

Mean of 'n' observations is X. if we add 1 into 1st Observation, 2 into 2nd observation and than so on so what will be new mean?

Answer»

i think this is RIGHT ans for you

3,252 Views

Step-by-step explanation:

Mean of x1,X2,...xn is x

nx1+x2+x3+...+xn=x

⇒i=1∑nx=nx __(1)

on adding 1 to x1,2 to x2 and so on

we get x1+1+x2+2+...+xn+n

=(x1+x2+...+xn)+(1+2+...+n)

=∑n+2n(n+1)

NEW mean =nNewsummation

=n∑n+2n(n+1)

Discussion

18.	10/7 और 5/3 का दशमलव प्रसार
Answer» Step-by-step explanation: 10/7 KA dasmalav prsar =1.43 and5/3 ka =1.67

18.

10/7 और 5/3 का दशमलव प्रसार

Answer»

Step-by-step explanation:

10/7 KA dasmalav prsar =1.43

and5/3 ka =1.67

Discussion

19.	Answer please find x
Answer» Answer: hope it helps plz mark it as brainliest Step-by-step explanation: ANGLE X = 2 angle 70 x = 2 x 70 (angle SUBTENDED by chords at centre is twice angle subtended at any point on circle ) x = 140

19.

Answer please find x

Answer»

Answer:

hope it helps

plz mark it as brainliest

Step-by-step explanation:

ANGLE X = 2 angle 70

x = 2 x 70 (angle SUBTENDED by chords at centre is twice angle subtended at any point on circle )

x = 140

Discussion

20.	Show that any positive add interge is of the from 6q+1 or 6q+3 or 6q+5 whese q is prove integer
Answer» Answer: let a be any INTEGER, B = 6. a=bq+r b=6 therefore a=6q + r where r is greater than or equal to zero but less than 6. Step-by-step explanation: so r=1. a=6q+1................. odd at r=2, a=6q+2............ even go in the same way.... hence PROVED

20.

Show that any positive add interge is of the from 6q+1 or 6q+3 or 6q+5 whese q is prove integer

Answer»

Answer:

let a be any INTEGER, B = 6.

a=bq+r

b=6

therefore a=6q + r where r is greater than or equal to zero but less than 6.

Step-by-step explanation:

so r=1.

a=6q+1................. odd

at r=2,

a=6q+2............ even

go in the same way....

hence PROVED

Discussion

21.	If (64)2x-3 =(1024)5,then find the value of x
Answer» Answer: 128x-3=5120 128x=5123 x=5123/128 40.0234375 . ANS. Step-by-step EXPLANATION:

21.

If (64)2x-3 =(1024)5,then find the value of x

Answer»

Answer:

128x-3=5120

128x=5123

x=5123/128

40.0234375 . ANS.

Step-by-step EXPLANATION:

Discussion

22.	Subtract the sum of 1/3and6/13 from the sum of 7/9and5/6
Answer» ANSWER: Step-by-step EXPLANATION:

22.

Subtract the sum of 1/3and6/13 from the sum of 7/9and5/6

Answer»

ANSWER:

Step-by-step EXPLANATION:

Discussion

23.	What number should be added to (1/2+1/3+1/5) to get 3
Answer» ANSWER: 59/30 is the answer of this QUESTION

23.

What number should be added to (1/2+1/3+1/5) to get 3

Answer»

ANSWER:

59/30 is the answer of this QUESTION

Discussion

24.	Simplify (square root of 2 +square root of 8)^2
Answer» Answer: hi! HOPE this HELPS you Step-by-step explanation: (sqrt2+sqrt8)whole sq=2+8=10

24.

Simplify (square root of 2 +square root of 8)^2

Answer»

Answer:

hi! HOPE this HELPS you

Step-by-step explanation:

(sqrt2+sqrt8)whole sq=2+8=10

Discussion

25.	Step by step explanation
Answer» ANSWER: PLEASE mark me BRAINLIEST and follow me DUDE

25.

Step by step explanation

Answer»

ANSWER:

PLEASE mark me BRAINLIEST and follow me DUDE

Discussion

26.	Find the number of 4 digit numbers less than 2000 that can be formed usingthe digits 1. 2. 3. and 4. if numbers can be repeated?
Answer» Answer: 64 Step-by-step explanation: _ _ _ _ less than 2000...So, FIRST digit must be 1 1 _ _ _ as numbers can be repeated you can fill remaining PLACES by 1,2,3,4 total possibilities=144*4=64 Hope this helps you Mark as Brainliest answer please

26.

Find the number of 4 digit numbers less than 2000 that can be formed usingthe digits 1. 2. 3. and 4. if numbers can be repeated?

Answer»

Answer:

64

Step-by-step explanation:

_ _ _ _

less than 2000...So, FIRST digit must be 1

1 _ _ _

as numbers can be repeated

you can fill remaining PLACES by 1,2,3,4

total possibilities=1*4*4*4=64

Hope this helps you

Mark as Brainliest answer please

Discussion

27.	292241
Answer» ANSWER: I have not ENOUGH TIME to do this WORK

27.

292241

Answer»

ANSWER:

I have not ENOUGH TIME to do this WORK

Discussion

28.	The parallel sides of a trapezium are 10 m and 20 m and the distance between them is 8 cm. Find the area of the trapezium
Answer» Answer: AREA of trapezium= 1/2. sum of the PARALLEL SIDES. distance between them Step-by-step EXPLANATION: =1/2(10+20).8 square CM =1/2.30.8 square cm =120 square cm

28.

The parallel sides of a trapezium are 10 m and 20 m and the distance between them is 8 cm. Find the area of the trapezium

Answer»

Answer:

AREA of trapezium= 1/2. sum of the PARALLEL SIDES. distance between them

Step-by-step EXPLANATION:

=1/2(10+20).8 square CM

=1/2.30.8 square cm

=120 square cm

Discussion

29.	Solve Y - 3 by Y + 4 is equal to Y + 1 by Y - 2
Answer» (y - 3) / (y + 4) = (y + 1) / (y - 2) (y - 3)(y - 2) = (y + 1)(y + 4) y^2 - 3Y - 2y + 6 = y^2 + 4y + y + 4 2 = 10y y = 0.2 : Ans Hope I helped

29.

Solve Y - 3 by Y + 4 is equal to Y + 1 by Y - 2

Answer»

(y - 3) / (y + 4) = (y + 1) / (y - 2)

(y - 3)(y - 2) = (y + 1)(y + 4)

y^2 - 3Y - 2y + 6 = y^2 + 4y + y + 4

2 = 10y

y = 0.2 : Ans

Hope I helped

Discussion

30.	Find the LCM of 16300
Answer» Step-by-step EXPLANATION: HOPE this WOULD HELP you

30.

Find the LCM of 16300

Answer»

Step-by-step EXPLANATION:

HOPE this WOULD HELP you

Discussion

31.	Find x from above circle
Answer» Answer: X =60 Step-by-step explanation: hope it HELPS MARK it BRAINLIST

31.

Find x from above circle

Answer»

Answer:

X =60

Step-by-step explanation:

hope it HELPS

MARK it BRAINLIST

Discussion

32.	Find the area of an isosceles triangle each of whose equal side is 18 cm and base is 28 cm
Answer» Answer: 252 Step-by-step EXPLANATION: Multiply 18 by 28 to GET 504. Now since that triangle is half a square DIVIDE 504 by two to get 252.

32.

Find the area of an isosceles triangle each of whose equal side is 18 cm and base is 28 cm

Answer»

Answer:

252

Step-by-step EXPLANATION:

Multiply 18 by 28 to GET 504.

Now since that triangle is half a square DIVIDE 504 by two to get 252.

Discussion

33.	5+[14+(-7)-{6×((5+1)×4)}].
Answer» Answer: 5+[14+(-7)-{6×((5+1)×4)}] 5+[14+(-7)-{24×6}] 5+[14-7-144] 5-137 -132

33.

5+[14+(-7)-{6×((5+1)×4)}].

Answer»

Answer:

5+[14+(-7)-{6×((5+1)×4)}]

5+[14+(-7)-{24×6}]

5+[14-7-144]

5-137

-132

Discussion

34.	Lcf is drawn by using lower boundary and the corresponding cumulative frequency. true or false?
Answer» ANSWER: FALSE is the CORRECT answer but I don't KNOW CONFORM

34.

Lcf is drawn by using lower boundary and the corresponding cumulative frequency. true or false?

Answer»

ANSWER:

FALSE is the CORRECT answer

but I don't KNOW CONFORM

Discussion

35.	Solve it by using heron's formula
Answer» ANSWER: HEY MATE.......here is your answer.... HOPE this HELP you......... ...

35.

Solve it by using heron's formula

Answer»

ANSWER:

HEY MATE.......here is your answer....

HOPE this HELP you......... ...

Discussion

36.	Give an example of a quadratic polynomial that have no zeroes
Answer» ANSWER: x^2 is the QUADRATIC POLYNOMIAL which has no ZEROES

36.

Give an example of a quadratic polynomial that have no zeroes

Answer»

ANSWER:

x^2 is the QUADRATIC POLYNOMIAL which has no ZEROES

Discussion

37.	Find the cardinality of a set x=(x:x is a composite factor of 1020
Answer» Given: Set X such that, X = (X : X is a composite factor of 1020) To find: Cardinality Solution: We know that factors of 1020 = 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020 Composite numbers are the numbers that are divisible by more than just 1 and itself. Thus, the composite factor of 1020 are = 4, 6, 10, 12, 15, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020 Since the composite factors are 19 in total. Therefore, the cardinality of set X is 19.

37.

Find the cardinality of a set x=(x:x is a composite factor of 1020

Answer»

Given:

Set X such that, X = (X : X is a composite factor of 1020)

To find:

Cardinality

Solution:

We know that factors of 1020 = 1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020

Composite numbers are the numbers that are divisible by more than just 1 and itself.

Thus, the composite factor of 1020 are = 4, 6, 10, 12, 15, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020

Since the composite factors are 19 in total.

Therefore, the cardinality of set X is 19.

Discussion

38.	Valueof (1/2)(1/2)+(1/2) /(2/1) (1/2) *(3/4) is
Answer» Answer: 5/8 Step-by-step EXPLANATION: USING BODMAS (1/2) * (1/2) + (1/2) / (1/2) * (1/2) * (3/4) = (1/2) * (1/2) + 1 * (1/2) * (3/4) = (1/4) + (3/8) = (2 + 3)/8 = 5/8

38.

Valueof (1/2)(1/2)+(1/2) /(2/1) (1/2) *(3/4) is

Answer»

Answer:

5/8

Step-by-step EXPLANATION:

USING BODMAS

(1/2) * (1/2) + (1/2) / (1/2) * (1/2) * (3/4)

= (1/2) * (1/2) + 1 * (1/2) * (3/4)

= (1/4) + (3/8)

= (2 + 3)/8

= 5/8

Discussion

39.	Sin18/cos72-sin72/cos18=?
Answer» ANSWER: sin18/cos72 - sin72/cos18 = COS(90-18)/cos72 - sin72/sin(90-18) = cos72/cos72 - sin72/sin72 = 1 - 1 = 0 pls MARK BRAINLIEST

39.

Sin18/cos72-sin72/cos18=?

Answer»

ANSWER:

sin18/cos72 - sin72/cos18

= COS(90-18)/cos72 - sin72/sin(90-18)

= cos72/cos72 - sin72/sin72

= 1 - 1

= 0

pls MARK BRAINLIEST

Discussion

40.	K/4+3=14 what dose k =
Answer» Answer: hope it helpful for you plz. MARK as BRAINLIST

40.

K/4+3=14 what dose k =

Answer»

Answer:

hope it helpful for you

plz. MARK as BRAINLIST

Discussion

41.	Find the value of 3by 4 divided (1by2)
Answer» Answer: 3/4÷1/2 =3/4×2 = 3×2 = 6

41.

Find the value of 3by 4 divided (1by2)

Answer»

Answer:

3/4÷1/2

=3/4×2

= 3×2

= 6

Discussion

42.	9/37 please give me the answer
Answer» ANSWER: I NEED BRAINLIEST answer ❤️❣️ Step-by-step explanation: 0.24324324324 PLEASE MARK BRAINLIEST ANSWER ❤️

42.

9/37 please give me the answer

Answer»

ANSWER:

I NEED BRAINLIEST answer ❤️❣️

Step-by-step explanation:

0.24324324324

PLEASE MARK BRAINLIEST ANSWER ❤️

Discussion

43.	What is the sum of the place value of 6 in 568216
Answer» ANSWER: Answer. 60006 is your ANS DEAR..

43.

What is the sum of the place value of 6 in 568216

Answer»

ANSWER:

Answer. 60006 is your ANS DEAR..

Discussion

44.	Area of square shaded place
Answer» Answer: 100 Step-by-step EXPLANATION: AREA of SQUARE is eaqual to SIDEside. so 1010=100

44.

Area of square shaded place

Answer»

Answer:

100

Step-by-step EXPLANATION:

AREA of SQUARE is eaqual to SIDE*side. so 10*10=100

Discussion

45.	Compute (243)^3\5? Do not spam
Answer» Answer: 27 Step-by-step EXPLANATION: ${243}^{ \frac{3}{5} } = ( { \sqrt[5]{243} })^{3} = ( {3})^{3} = 27$

45.

Compute (243)^3\5? Do not spam

Answer»

Answer:

27

Step-by-step EXPLANATION:

${243}^{ \frac{3}{5} } = ( { \sqrt[5]{243} })^{3} = ( {3})^{3} = 27$

Discussion

46.	Determine the integer whose product with -1 is
Answer» The INTEGERS are 1 and -1

46.

Determine the integer whose product with -1 is

Answer»

The INTEGERS are 1 and -1

Discussion

47.	a carpenter makes 42 chairs in 39 days if he work in the same pace. how many days will be needed to complete making 70 chairs
Answer» Answer: 65 days. Step-by-step EXPLANATION

47.

a carpenter makes 42 chairs in 39 days if he work in the same pace. how many days will be needed to complete making 70 chairs

Answer»

Answer:

65 days.

Step-by-step EXPLANATION

Discussion

48.	EXERCISEप्रशन 1:- का दशमलव प्रसार ज्ञात करेंप्रशन 2:- दिखाइए की 3.579 एक परिमेय संख्या है दूसरे सब्दों मे3.579 को P/Q के रूप में व्यक्त कीजीए ।जहां पूर्णांकहै और हैप्रशन 3 :- दिखाइए की 1.272727....1.27 को P/Q के रूप मे व्यक्तकिया जा सकता है जहां और पूर्णाक हैं और 40प्रशन 4-1 और के बीच की 3 अपरिमेय संख्याए ज्ञात कीजिये।
Answer» Given : 1.272727......... To FIND : P/Q के रूप मे व्यक्त Solution: 3.579 = 3579/1000 1.272727......... = $1.\overline{27}$ Let say N = $1.\overline{27}$ 100N = $127.\overline{27}$ 100N - N = $127.\overline{27}$ - $1.\overline{27}$ => 99N = 126 => N= 126/99 => N = 42/33 => N = 14/11 $1.\overline{27}$ = 14/11 1.272727......... = 14/11 Learn more: Express the rational number 7/64 into decimal FORM, without making ... brainly.in/question/13346984 Express the FOLLOWING rational numbers in the form p/q , wher p and q ... brainly.in/question/8473788

48.

EXERCISEप्रशन 1:- का दशमलव प्रसार ज्ञात करेंप्रशन 2:- दिखाइए की 3.579 एक परिमेय संख्या है दूसरे सब्दों मे3.579 को P/Q के रूप में व्यक्त कीजीए ।जहां पूर्णांकहै और हैप्रशन 3 :- दिखाइए की 1.272727....1.27 को P/Q के रूप मे व्यक्तकिया जा सकता है जहां और पूर्णाक हैं और 40प्रशन 4-1 और के बीच की 3 अपरिमेय संख्याए ज्ञात कीजिये।

Answer»

Given : 1.272727.........

To FIND : P/Q के रूप मे व्यक्त

Solution:

3.579 = 3579/1000

1.272727.........

= $1.\overline{27}$

Let say N = $1.\overline{27}$

100N = $127.\overline{27}$

100N - N = $127.\overline{27}$ - $1.\overline{27}$

=> 99N = 126

=> N= 126/99

=> N = 42/33

=> N = 14/11

$1.\overline{27}$ = 14/11

1.272727......... = 14/11

Learn more:

Express the rational number 7/64 into decimal FORM, without making ...

brainly.in/question/13346984

Express the FOLLOWING rational numbers in the form p/q , wher p and q ...

brainly.in/question/8473788

Discussion

49.	X = root 2 b) x2 - root 2x - 4 = 0
Answer» hi mate, solution: GIVEN: x = √2 The given equation is : →x² + √2 x - 4 =0 By splitting the MIDDLE term,we can write the equation as → x² + 2 √2 x - √2 x - 4=0 → x² + 2 √2 x - √2 x - 2√2×√2 =0 → x ( x + 2 √2 ) - √2 (x + 2√2) = 0 → (x - √2) (x + 2 √2) = 0 → x - √2 =0 and x + 2√2=0 → x= √2 and x = - 2 √2 , are solution of the equation. i hope it helps you.

49.

X = root 2 b) x2 - root 2x - 4 = 0

Answer»

hi mate,

solution:

GIVEN: x = √2

The given equation is :

→x² + √2 x - 4 =0

By splitting the MIDDLE term,we can write the equation as

→ x² + 2 √2 x - √2 x - 4=0

→ x² + 2 √2 x - √2 x - 2√2×√2 =0

→ x ( x + 2 √2 ) - √2 (x + 2√2) = 0

→ (x - √2) (x + 2 √2) = 0

→ x - √2 =0 and x + 2√2=0

→ x= √2 and x = - 2 √2 , are solution of the equation.

i hope it helps you.

Discussion

50.	Sin18/cos72-sin72/cos 18=?
Answer» Answer: 0 Step-by-step explanation: 0 is right ANS , U have need to CHANGE in same FORM

50.

Sin18/cos72-sin72/cos 18=?

Answer»

Answer:

0

Step-by-step explanation:

0 is right ANS , U have need to CHANGE in same FORM

Discussion

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