332354 + Interview Questions in Secondary School in Math

1.	Root of the equation x^2 +(2p-1)x +p=0 are real if
Answer» Step-by-step explanation: let the root of the equation be REAL then b²-2ac=0 so we will apply this in the GIVEN equation. (2p-1)²-2×1×p=0 4p²+1-4p-2p=0 4p²-6p+1=0 using the quadratic FORMULA we can FIND the VALUE of p.

1.

Root of the equation x^2 +(2p-1)x +p=0 are real if

Answer»

Step-by-step explanation:

let the root of the equation be REAL then

b²-2ac=0

so we will apply this in the GIVEN equation.

(2p-1)²-2×1×p=0

4p²+1-4p-2p=0

4p²-6p+1=0

using the quadratic FORMULA we can FIND the VALUE of p.

Discussion

2.	Wheat produced in 2016Wheat produced in 2017Increase in production = 18,00,000 - 15,00,85015,00,850 tonnes18,00,000 tonnes2,99,150 tonnesQuestion:
Answer» ANSWER: FIND increase in PRODUCTION if wheat PRODUCED in 2016 & 2017 is. 1800000. and. 1500850

2.

Wheat produced in 2016Wheat produced in 2017Increase in production = 18,00,000 - 15,00,85015,00,850 tonnes18,00,000 tonnes2,99,150 tonnesQuestion:

Answer»

ANSWER:

FIND increase in PRODUCTION if wheat PRODUCED in 2016 & 2017 is. 1800000. and. 1500850

Discussion

3.	(10) If x=2, y=-1 is a solution of the linear equation
Answer» ANSWER: PLEASE POST QUESTION ALSO

3.

(10) If x=2, y=-1 is a solution of the linear equation

Answer»

ANSWER:

PLEASE POST QUESTION

ALSO

Discussion

4.	Find the hcf of 65 and 117 and express it in the form of 65m+117n
Answer» Answer: 67 PLS MARK me BRAINLIEST and be AMBITIOUS

4.

Find the hcf of 65 and 117 and express it in the form of 65m+117n

Answer»

Answer:

67 PLS MARK me BRAINLIEST and be AMBITIOUS

Discussion

5.	Name any one property which exists in all of N, W, Z and Q
Answer» ANSWER: skjxjciajajasiixt izkansux

5.

Name any one property which exists in all of N, W, Z and Q

Answer»

ANSWER:

skjxjciajajasiixt izkansux

Discussion

6.	Can u see this image if yes so please give me answer
Answer» $\large\underline{FACTORIZATION}$ $\large{QUESTION}$ $4(a+b)-6(a+b)^2$ $\large{SOLUTION}$ $4(a+b)- 6(a+b)^2$ $=> 2(a+b)(2-3(a+b)$ $=> (a+b)(2-3a-3b)$ $\large{ANSWER}$ $=> (a+b)(2-3a-3b)$

6.

Can u see this image if yes so please give me answer

Answer»

$\large\underline{FACTORIZATION}$

$\large{QUESTION}$

$4(a+b)-6(a+b)^2$

$\large{SOLUTION}$

$4(a+b)- 6(a+b)^2$

$=> 2(a+b)(2-3(a+b)$

$=> (a+b)(2-3a-3b)$

$\large{ANSWER}$

$=> (a+b)(2-3a-3b)$

Discussion

7.	Represent these numbers on the number line 1 1. 7/4 2. -5/6
Answer» Answer: The answer is in the image Thank You Plz MARK my answer as brainliest And have a GOOD DAY........................ I know the image is blur thats because i took the pic in my LAPTOP hope you will adjust.

7.

Represent these numbers on the number line 1 1. 7/4 2. -5/6

Answer»

Answer:

The answer is in the image

Thank You

Plz MARK my answer as brainliest

And have a GOOD DAY........................

I know the image is blur thats because i took the pic in my LAPTOP hope you will adjust.

Discussion

8.	13. Find all zeros of the polynomial2x4-9x3+5x2+3x-1 if two of itszeros are (2+3 ) and (2-3).
Answer» ANSWER: The answer Is helo. Step-by-step explanation: 1 - 1 0 Xd BOYS

8.

13. Find all zeros of the polynomial2x4-9x3+5x2+3x-1 if two of itszeros are (2+3 ) and (2-3).

Answer»

ANSWER:

The answer Is helo.

Step-by-step explanation:

1 - 1

0

Xd BOYS

Discussion

9.	Section A+2Q-18O 01:51An integer can be :Only positiveOOnly negativeBoth positive and negativeONone of the above
Answer» ANSWER: both POSITIVE and NEGATIVE

9.

Section A+2Q-18O 01:51An integer can be :Only positiveOOnly negativeBoth positive and negativeONone of the above

Answer»

ANSWER:

both POSITIVE and NEGATIVE

Discussion

10.	Evaluate103 X 107by using identity
Answer» Answer: 103×107=11021 explained: 103×107 $(x + a)(x + b) = x {}^{2} + (a + b)x + ab$

10.

Evaluate103 X 107by using identity

Answer»

Answer:

103×107=11021

explained:

103×107

$(x + a)(x + b) = x {}^{2} + (a + b)x + ab$

Discussion

11.	1+2+3+4+5=?tell me and take your points
Answer» ANSWER: 15 is the answer THANKS for FREE POINY

11.

1+2+3+4+5=?tell me and take your points

Answer»

ANSWER:

15 is the answer THANKS for FREE POINY

Discussion

12.	In the figure, two straight lines AB and CD intersect at O. If ∠COT = 60°, find ,and
Answer» ANSWER: Please POST again with PROPER QUESTION and with the figure. Please mark it as the brainliest.

12.

In the figure, two straight lines AB and CD intersect at O. If ∠COT = 60°, find ,and

Answer»

ANSWER:

Please POST again with PROPER QUESTION and with the figure. Please mark it as the brainliest.

Discussion

13.	A 3-phase bridge rectifier, has the average output voltage as 286.48 V. Find the maximum value of line voltage.
Answer» ANSWER: ASK GOOGLE Step-by-step EXPLANATION: UNDERSTOOD

13.

A 3-phase bridge rectifier, has the average output voltage as 286.48 V. Find the maximum value of line voltage.

Answer»

ANSWER:

ASK GOOGLE

Step-by-step EXPLANATION:

UNDERSTOOD

Discussion

14.	Plz guyz answer who's it will correct i will mark as brainliest answer
Answer» ANSWER: RATIO of a:B = 2:125 (or) a/b = 2/125

14.

Plz guyz answer who's it will correct i will mark as brainliest answer

Answer»

ANSWER:

RATIO of a:B = 2:125 (or) a/b = 2/125

Discussion

15.	An integer can be:OOnly positiveO OOnly negativeO OBoth positive and negativeONone of the above
Answer» ANSWER: Both POSITIVE and NEGATIVE

15.

An integer can be:OOnly positiveO OOnly negativeO OBoth positive and negativeONone of the above

Answer»

ANSWER:

Both POSITIVE and NEGATIVE

Discussion

16.	How to solve 2x+3y=4 and 3x-y=-5 by graphical method??
Answer» Answer: Step-by-step EXPLANATION: take 2x+3y=4 x=4-3y/2 EQUATION 1 now take 3x-y=-5 substitute equation 1 3(4-3y/2)-y=-5 12-9y-2y/2=-5 12-9y-2y=-10 -11y=22 y =-2 equation 2 substitute equation 2 in equation one x=4-3y/2 x= {4-3(-2)}/2 = 4/2+6/2

16.

How to solve 2x+3y=4 and 3x-y=-5 by graphical method??

Answer»

Answer:

Step-by-step EXPLANATION:

take 2x+3y=4

x=4-3y/2 EQUATION 1

now take 3x-y=-5

substitute equation 1

3(4-3y/2)-y=-5

12-9y-2y/2=-5

12-9y-2y=-10

-11y=22

y =-2 equation 2

substitute equation 2 in equation one

x=4-3y/2

x= {4-3(-2)}/2 = 4/2+6/2

Discussion

17.	Write the three rational numbers equivalent of 7/-7Write the rational numbers equivalent of 7/-7
Answer» Answer: 14/-14, 21/-21, 28/-28 Step-by-step EXPLANATION: THREE rational NUMBERS EQUIVALENT to 7/-7 can be: 7/-7 2/2= 14/-14 7/-7 3/3= 21/-21 7/-7 *4/4= 28/-28 Hope it HELPS

17.

Write the three rational numbers equivalent of 7/-7Write the rational numbers equivalent of 7/-7

Answer»

Answer:

14/-14, 21/-21, 28/-28

Step-by-step EXPLANATION:

THREE rational NUMBERS EQUIVALENT to 7/-7 can be:

7/-7 *2/2= 14/-14

7/-7 *3/3= 21/-21

7/-7 *4/4= 28/-28

Hope it HELPS

Discussion

18.	Evidence available from all sources is collected and thoroughly examined to determine its..........
Answer» Step-by-step explanation: EVIDENCE available from all SOURCES is collected and thoroughly examined to determine its QUALITY and quantity. Pls mark my answer brainliest

18.

Evidence available from all sources is collected and thoroughly examined to determine its..........

Answer»

Step-by-step explanation:

EVIDENCE available from all SOURCES is collected and thoroughly examined to determine its QUALITY and quantity.

Pls mark my answer brainliest

Discussion

19.	Find coordinates of points where graph of equation 3x+4y=24 meets x-3y axis,y-axis
Answer» ANSWER: this QUESTION you may asked to GOOGLE or CHROME

19.

Find coordinates of points where graph of equation 3x+4y=24 meets x-3y axis,y-axis

Answer»

ANSWER:

this QUESTION you may asked to GOOGLE or CHROME

Discussion

20.	8) Dimensions of a painting are 60 cm × 38 cm. Examine the figureand calculate the area of the wooden frame of width 6 cm aroundthe painting
Answer» Step-by-step EXPLANATION: HOPE you are FINE with this ANSWER

20.

8) Dimensions of a painting are 60 cm × 38 cm. Examine the figureand calculate the area of the wooden frame of width 6 cm aroundthe painting

Answer»

Step-by-step EXPLANATION:

HOPE you are FINE with this ANSWER

Discussion

21.	If the cost of 7m of rope is ₹210 find the cost of 10m of rope.
Answer» Step-by-step explanation: 7m=210 1m=30 We have to CALCULATE COST of 10m 10m=300 PLEASE please MARK as BRAINLIEST

21.

If the cost of 7m of rope is ₹210 find the cost of 10m of rope.

Answer»

Step-by-step explanation:

7m=210

1m=30

We have to CALCULATE COST of 10m

10m=300

PLEASE please MARK as BRAINLIEST

Discussion

22.	Even multiple of 13,less than 100
Answer» $\huge\sf\green{Answer}$ The even multiples of 13 LESS than 100 are *26, 52, 78* $\huge\sf\pink{Explanation}$ Multiple : Multiple of a number is that number multipled to any other number. The multiple of a number gives 0 as a reminder when DIVIDED by the given number. Even Multiple : Numbers which are the multiple of the given number as well as even are called thr even multiples of the given number. Even Multiple of 13 : Numbers which are even and also a multiple of 13. Such numbers are 26, 52, 78, 104, 130... and so on. But the QUESTION here requires number within 100 So, the answer is 26, 52 and 78.

22.

Even multiple of 13,less than 100

Answer»

$\huge\sf\green{Answer}$

The even multiples of 13 LESS than 100 are 26, 52, 78

$\huge\sf\pink{Explanation}$

Multiple :

Multiple of a number is that number multipled to any other number. The multiple of a number gives 0 as a reminder when DIVIDED by the given number.

Even Multiple :

Numbers which are the multiple of the given number as well as even are called thr even multiples of the given number.

Even Multiple of 13 :

Numbers which are even and also a multiple of 13.

Such numbers are 26, 52, 78, 104, 130... and so on. But the QUESTION here requires number within 100

So, the answer is 26, 52 and 78.

Discussion

23.	Consider the sequnces, 6 , 10 , 14 write next 3 term
Answer» ANSWER: the SEQUENCE of this is 6,10,14,18,22,26

23.

Consider the sequnces, 6 , 10 , 14 write next 3 term

Answer»

ANSWER:

the SEQUENCE of this is 6,10,14,18,22,26

Discussion

24.	Find the product 728 multiply 99 using distributive property
Answer» Step-by-step EXPLANATION: (700+28)×99 700+28×99 700+28×90+9 =72072.

24.

Find the product 728 multiply 99 using distributive property

Answer»

Step-by-step EXPLANATION:

(700+28)×99

700+28×99

700+28×90+9

=72072.

Discussion

25.	Find the smallest number, which when divided by 16, 24, 48 leaving a remainder 3 in each case.
Answer» Answer: 7 is smallest NUMBER which DIVIDE this number and LEAVING REMAINDER 3

25.

Find the smallest number, which when divided by 16, 24, 48 leaving a remainder 3 in each case.

Answer»

Answer:

7 is smallest NUMBER which DIVIDE this number and LEAVING REMAINDER 3

Discussion

26.	if triangle ABC is congruent to triangle DEF , write parts of triangle DEF that correspond to angle E , line EF , angle F , line DF
Answer» ANSWER: angle E =angle B LINE EF = line BC angle F =angle C line DF = line AC

26.

if triangle ABC is congruent to triangle DEF , write parts of triangle DEF that correspond to angle E , line EF , angle F , line DF

Answer»

ANSWER:

angle E =angle B

LINE EF = line BC

angle F =angle C

line DF = line AC

Discussion

27.	The present age of Aradhana and Aadrika is in the ratio 3:4. 5 years back, the ratio of their ages was 2:3. What is the present age of Aradhana. *
Answer» ANSWER: Age of ARADHANA= 15 years Age of Aadrika. =20 years Step-by-step explanation: I have TOLD you the present ages of both Thank you Please SUPPORT me

27.

The present age of Aradhana and Aadrika is in the ratio 3:4. 5 years back, the ratio of their ages was 2:3. What is the present age of Aradhana. *

Answer»

ANSWER:

Age of ARADHANA= 15 years

Age of Aadrika. =20 years

Step-by-step explanation:

I have TOLD you the present ages of both

Thank you

Please SUPPORT me

Discussion

28.	X + Y is equal to 5 and 2 x minus 3 Y is equals to 4 solved by substitution method
Answer» ANSWER: X = 19/5 and y = 6/5 Step-by-step EXPLANATION: $x+y=5 \\ => x=5-y \\\\ 2x-3y=4 \\ 2(5-y) - 3y=4 \\10-2y-3y=4\\10-5y=4\\5y=10-4\\5y=6 \\\\ =>y=\frac{6}{5} \\\\=>x=5-y\\x=5-\frac{6}{5}\\\\x=\frac{25-6}{5} \\\\x=\frac{19}{5} \\\\ HOPE \ IT \ HELPS..!$

28.

X + Y is equal to 5 and 2 x minus 3 Y is equals to 4 solved by substitution method

Answer»

ANSWER:

X = 19/5 and y = 6/5

Step-by-step EXPLANATION:

$x+y=5 \\ => x=5-y \\\\ 2x-3y=4 \\ 2(5-y) - 3y=4 \\10-2y-3y=4\\10-5y=4\\5y=10-4\\5y=6 \\\\ =>y=\frac{6}{5} \\\\=>x=5-y\\x=5-\frac{6}{5}\\\\x=\frac{25-6}{5} \\\\x=\frac{19}{5} \\\\ HOPE \ IT \ HELPS..!$

Discussion

29.	Three balls tell at interval of 12min and 15min and 18min respectively if they start telling together after what time will they next tell together
Answer» Answer: LCM ( 12,15,18 ) = 180 they all MET after 180 minutes or 180/30 = 6 hour

29.

Three balls tell at interval of 12min and 15min and 18min respectively if they start telling together after what time will they next tell together

Answer»

Answer:

LCM ( 12,15,18 ) = 180

they all MET after 180 minutes or 180/30 = 6 hour

Discussion

30.	A man has rs. x from which he spend rs.6 if twice the money left with him is rs. 83 find x
Answer» Step-by-step explanation: zzxxxxxlalalapsldjjdjxjxnxnjxjxjjx jd jdjdjdjdjdjdj स्किसेमिक all so so do so so do PZZ all is an s ek if so en is DP US allhsjsjaksoosos

30.

A man has rs. x from which he spend rs.6 if twice the money left with him is rs. 83 find x

Answer»

Step-by-step explanation:

zzxxxxxlalalapsldjjdjxjxnxnjxjxjjx jd jdjdjdjdjdjdj स्किसेमिक all so so do so so do PZZ all is an s ek if so en is DP US allhsjsjaksoosos

Discussion

31.	Express 20cm as a percentage of 5m
Answer» Answer: 4 cm is your ANS Step-by-step EXPLANATION: pls FOLLOW me if u LIKE my ans and mark me as a brainlist THANK u

31.

Express 20cm as a percentage of 5m

Answer»

Answer:

4 cm is your ANS

Step-by-step EXPLANATION:

pls FOLLOW me if u LIKE my ans and mark me as a brainlist THANK u

Discussion

32.	The angle of elevation of a cloud from a point 60m above a lake is 30* and the the angle of depression of the reflection of the cloud in the lake is 60* find the height of the cloud from the surface of the lake ?How do we say A'B = AB? Can you please explain.
Answer» ANSWER: you SEE in pic Step-by-step EXPLANATION: MARK as a BRAINILIST

32.

The angle of elevation of a cloud from a point 60m above a lake is 30* and the the angle of depression of the reflection of the cloud in the lake is 60* find the height of the cloud from the surface of the lake ?How do we say A'B = AB? Can you please explain.

Answer»

ANSWER:

you SEE in pic

Step-by-step EXPLANATION:

MARK as a BRAINILIST

Discussion

33.	What is communication technology
Answer» Answer: Step-by-step explanation: COMMUNICATION technology is an extensional TERM for information technology that stress the ROLE of unified communication and INTEGRATION of telecommunication and computer as WELL as.

33.

What is communication technology

Answer»

Answer:

Step-by-step explanation:

COMMUNICATION technology is an extensional TERM for information technology that stress the ROLE of unified communication and INTEGRATION of telecommunication and computer as WELL as.

Discussion

34.	The angles of a triangle are in theratio 2:3:7, the measurement of thesmallest angle is
Answer» Answer: 52.5 degree Step-by-step EXPLANATION: SIMPLE very very simple

34.

The angles of a triangle are in theratio 2:3:7, the measurement of thesmallest angle is

Answer»

Answer:

52.5 degree

Step-by-step EXPLANATION:

SIMPLE very very simple

Discussion

35.	The base of right triangle is 8 cm and hypotenise is 10 cm find area
Answer» Answer: 40 cm Step-by-step explanation: AREA = 1/2 B h = 1/2 x 8 x 10 = 4 x 10 = 40 cm hope this helps you DEAR..

35.

The base of right triangle is 8 cm and hypotenise is 10 cm find area

Answer»

Answer:

40 cm

Step-by-step explanation:

AREA = 1/2 B h

= 1/2 x 8 x 10

= 4 x 10

= 40 cm

hope this helps you DEAR..

Discussion

36.	The range of the data 3,10,11,13,15,5,4,3,2,1 is:
Answer» ANSWER: to *FIND* *RANGE* =*highest* *range-lowest* range. 15-1 =4 is the answer. . .hope it's helpful and right plZ MARK** as brainliEsT

36.

The range of the data 3,10,11,13,15,5,4,3,2,1 is:

Answer»

ANSWER:

to FIND RANGE

=highest range-lowest range.

15-1

=4

is the answer.

.

.hope it's helpful and right

plZ MARK as brainliEsT

Discussion

37.	suppose 2 kg of sugar contains 9×10 TO THE POWER 6 ..crystals ..how many sugar crystals are there in(i) 5 kg of sugar?(ii) 1.2 kg of sugar ?
Answer» Step-by-step EXPLANATION: (i) 2.25×10⁷ (II)5.4×10⁶

37.

suppose 2 kg of sugar contains 9×10 TO THE POWER 6 ..crystals ..how many sugar crystals are there in(i) 5 kg of sugar?(ii) 1.2 kg of sugar ?

Answer»

Step-by-step EXPLANATION:

(i) 2.25×10⁷

(II)5.4×10⁶

Discussion

38.	(4) If Sn-3n^2+2n, then write a2
Answer» sn=3n²+2n s1=3+2=5 S2=3.4+4=16 a2 = 16-5 =11

38.

(4) If Sn-3n^2+2n, then write a2

Answer»

sn=3n²+2n

s1=3+2=5

S2=3.4+4=16

a2 = 16-5 =11

Discussion

39.	find the sign of product ifwe multiply together . [ A] 8 positive and 5 negaive integers . [ B] 5 positive and 6 negative integers. [ C] 7 negative and 4 positive integers . gyss please tell me the answer of this .
Answer» ANSWER: (A) NEGATIVE, (B) POSITIVE,and (C) Negative

39.

find the sign of product ifwe multiply together . [ A] 8 positive and 5 negaive integers . [ B] 5 positive and 6 negative integers. [ C] 7 negative and 4 positive integers . gyss please tell me the answer of this .

Answer»

ANSWER:

(A) NEGATIVE,

(B) POSITIVE,and

(C) Negative

Discussion

40.	Express the following number in standard form 8300500000
Answer» Answer: 8.300510^9 Step-by-step explanation:* 83000500000 can be WRITTEN as 8.3005*10^9 in the STANDARD FORM

40.

Express the following number in standard form 8300500000

Answer»

Answer:

8.3005*10^9

Step-by-step explanation:

83000500000 can be WRITTEN as 8.3005*10^9 in the STANDARD FORM

Discussion

41.	C) ₹100=...............₹10notes.anwer me
Answer» ANSWER: HEY buddy The answer is c)₹100=...10….....₹10notes.

41.

C) ₹100=...............₹10notes.anwer me

Answer»

ANSWER:

HEY buddy

The answer is

c)₹100=...10….....₹10notes.

Discussion

42.	Additive inverse of -5/9 isО O5/99/5O-9/5OONone of the aboveO O
Answer» Answer: 5/9 is the ADDITIVE INVERSE

42.

Additive inverse of -5/9 isО O5/99/5O-9/5OONone of the aboveO O

Answer»

Answer:

5/9 is the ADDITIVE INVERSE

Discussion

43.	Plz solve it with full steps.. no short cut..solve it..quality answers needed..❌no copy paste ❌
Answer» ${\sf{\underline{\underline{\pink{Solution:-}}}}}$ If p² is an even integer, then p is an even. ${\sf{\underline{\underline{\pink{Reason:-}}}}}$ As we KNOW SQUARE of even no. is always even.

43.

Plz solve it with full steps.. no short cut..solve it..quality answers needed..❌no copy paste ❌

Answer»

${\sf{\underline{\underline{\pink{Solution:-}}}}}$

If p² is an even integer, then p is an even.

${\sf{\underline{\underline{\pink{Reason:-}}}}}$

As we KNOW SQUARE of even no. is always even.

Discussion

44.	1 point7) In A ABC, PQ\|\|BC. If AP= 2.4,AQ= 2.8, PB= 4.8. AC=?
Answer» ANSWER: PLEASE PROVIDE the FIGURE.

44.

1 point7) In A ABC, PQ||BC. If AP= 2.4,AQ= 2.8, PB= 4.8. AC=?

Answer»

ANSWER:

PLEASE PROVIDE the FIGURE.

Discussion

45.	Express 0.9 in the bar in the form of p/q where p and q are integers and q is not equal to 0
Answer» Step-by-step EXPLANATION: HOPE it's helpful give me brainliest follow me

45.

Express 0.9 in the bar in the form of p/q where p and q are integers and q is not equal to 0

Answer»

Step-by-step EXPLANATION:

HOPE it's helpful

give me brainliest

follow me

Discussion

46.	1.) What can you say about the prime factauisation ofthe denominators ofthe rational number0.1342
Answer» Answer: To find : What can you say about the prime factorization of the DENOMINATOR of the rational number 0.134 when written in the form p/q. Is it of the form 2^m \times 5^n2 m ×5 n ? If yes, write the values of m and n. Solution : Rational number 0.134. Remove decimal to write in fraction, 0.134=\frac{134}{1000}0.134= 1000 134 Write in SIMPLEST form, 0.134=\frac{67}{500}0.134= 500 67 Now, factories 500 500=2\times 2\times 5\times 5\times 5500=2×2×5×5×5 500=2^2\times 5^3500=2 2 ×5 3 So, The denominator is written in the form 2^m \times 5^n=2^2\times 5^32 m ×5 n =2 2 ×5 3 where, m=2 and n=3 Therefore, The value of m=2 and n=3.

46.

1.) What can you say about the prime factauisation ofthe denominators ofthe rational number0.1342

Answer»

Answer:

To find : What can you say about the prime factorization of the DENOMINATOR of the rational number 0.134 when written in the form p/q. Is it of the form 2^m \times 5^n2

m

×5

n

? If yes, write the values of m and n.

Solution :

Rational number 0.134.

Remove decimal to write in fraction,

0.134=\frac{134}{1000}0.134=

1000

134

Write in SIMPLEST form,

0.134=\frac{67}{500}0.134=

500

67

Now, factories 500

500=2\times 2\times 5\times 5\times 5500=2×2×5×5×5

500=2^2\times 5^3500=2

2

×5

3

So, The denominator is written in the form 2^m \times 5^n=2^2\times 5^32

m

×5

n

=2

2

×5

3

where, m=2 and n=3

Therefore, The value of m=2 and n=3.

Discussion

47.	Factors tree method of 630 please give me fast
Answer» Step-by-step explanation: 630 (2) (315) (3) (105) (3) (35) (5) (7) (7) (1)

47.

Factors tree method of 630 please give me fast

Answer»

Step-by-step explanation:

630

(2) (315)

(3) (105)

(3) (35)

(5) (7)

(7) (1)

Discussion

48.	What is value of k for simultaneous equations 3x+4y=8 and 9x+ky=24?
Answer» ANSWER: SOLUTION : For INFINITE solution $ANSWERThe equations are3x+4y−k=09x+12y−6=0Here, a1=3,b1=4,c1=−kand a2=9,b2=12,c2=−6For the system to have infinite solution ifa2a1=b2b1=c2c1⇒93=124=−6−k⇒3k=6⇒k=2$

48.

What is value of k for simultaneous equations 3x+4y=8 and 9x+ky=24?

Answer»

ANSWER:

SOLUTION :

For INFINITE solution

$ANSWERThe equations are3x+4y−k=09x+12y−6=0Here, a1=3,b1=4,c1=−kand a2=9,b2=12,c2=−6For the system to have infinite solution ifa2a1=b2b1=c2c1⇒93=124=−6−k⇒3k=6⇒k=2$

Discussion

49.	Ily.a) 3x + 20ve the followingSolvethe so following equatHetre< Ux23
Answer» ANSWER: it's an INVALID QUESTION! so the ANS will we indefined

49.

Ily.a) 3x + 20ve the followingSolvethe so following equatHetre< Ux23

Answer»

ANSWER:

it's an INVALID QUESTION! so the ANS will we indefined

Discussion

50.	the length of a rectangle is 2 cm more than the width.If the area of the rectangle is 120 square cm,what is the perimeter of the rectangle?
Answer» Step-by-step explanation: GIVEN: Area of RECTANGLE=120 sq. CM Now let width be x cm, so length =x+2cm to find perimeter we need width so, Area of rectangle =lxb i.e 120 =(x) x (x+2) 120=2x+2; 120-2/2=x; 90= x :. width is 90 and lenth is 92 now perimeter of rectangle= 2(l+b)=2(92 + 90)=2x182= 364 cm :. perimeter of the rectangle is 364 cm.

50.

the length of a rectangle is 2 cm more than the width.If the area of the rectangle is 120 square cm,what is the perimeter of the rectangle?

Answer»

Step-by-step explanation:

GIVEN:

Area of RECTANGLE=120 sq. CM

Now let width be x cm,

so length =x+2cm

to find perimeter we need width so,

Area of rectangle =lxb

i.e 120 =(x) x (x+2)

120=2x+2; 120-2/2=x; 90= x

:. width is 90 and lenth is 92

now perimeter of rectangle= 2(l+b)=2(92 + 90)=2x182= 364 cm

:. perimeter of the rectangle is 364 cm.

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