332354 + Interview Questions in Secondary School in Math

1.	Using the digit 4,7,5,2,1,0 form thegreatest and the smallest 6-digit numbers. (do not repeat thedigits)Greatest Number :Smallest Number: -
Answer» ANSWER: GREATEST no= 754210 smallest no= 12457

1.

Using the digit 4,7,5,2,1,0 form thegreatest and the smallest 6-digit numbers. (do not repeat thedigits)Greatest Number :Smallest Number: -

Answer»

ANSWER:

GREATEST no= 754210

smallest no= 12457

Discussion

2.	Kavita has 7/9 cup of sugar she used 1/2 cup of sugar in recipe and 1/4 in anotherFindHow much sugar did Kavita use altogether how much sugar has left
Answer» Answer: Step-by-step explanation: 3/4 is left a) she used=7/9+1/2+1/4,take out the answer, B) 1/2+1/4,WHATEVER the answer will COME subtract it with 7/9a) she used=7/9+1/2+1/4,take out the answer,

2.

Kavita has 7/9 cup of sugar she used 1/2 cup of sugar in recipe and 1/4 in anotherFindHow much sugar did Kavita use altogether how much sugar has left

Answer»

Answer:

Step-by-step explanation:

3/4 is left

a) she used=7/9+1/2+1/4,take out the answer,

B) 1/2+1/4,WHATEVER the answer will COME subtract it with 7/9a) she used=7/9+1/2+1/4,take out the answer,

Discussion

3.	_+_=8+ +_ - _=613. 8
Answer» Answer: 4+4=8 and 13-7=6 hope this will HELP you

3.

_+_=8+ +_ - _=613. 8

Answer»

Answer:

4+4=8 and 13-7=6

hope this will HELP you

Discussion

4.	(2x-y)²+5(2x-y)-300
Answer» (2x-y)^2=(4x^2)-(4xy)+(y^2) 5(2x-y)=10x-5y [(2x-y)^2]+[5(2x-y)]-300 (4x^2)-(4xy)+(y^2)+10x-5y-300 I HOPE this HELPS you and please mark me the Brainliast.

4.

(2x-y)²+5(2x-y)-300

Answer»

(2x-y)^2=(4x^2)-(4xy)+(y^2)

5(2x-y)=10x-5y

[(2x-y)^2]+[5(2x-y)]-300

(4x^2)-(4xy)+(y^2)+10x-5y-300

I HOPE this HELPS you and please mark me the Brainliast.

Discussion

5.	Please answer these questions . from 10th question to 20th question
Answer» Answer: 49.5m Step-by-step EXPLANATION: they are ASKING VOLUME of the cylinder volume is πr^2h π=22/7 r=1.5m h=7m

5.

Please answer these questions . from 10th question to 20th question

Answer»

Answer:

49.5m

Step-by-step EXPLANATION:

they are ASKING VOLUME of the cylinder

volume is πr^2h

π=22/7

r=1.5m

h=7m

Discussion

6.	Algebra-work sheet -1IChoose the correct option1. The co-efficient ofz in -25xyʻz is _(a) 25y²x(b) -25y²x(C) -25xyz(d) 25xyz
Answer» Answer: I THINK a it is the RIGHT answer please MARK as brain LIST

6.

Algebra-work sheet -1IChoose the correct option1. The co-efficient ofz in -25xyʻz is _(a) 25y²x(b) -25y²x(C) -25xyz(d) 25xyz

Answer»

Answer:

I THINK a it is the RIGHT answer please MARK as brain LIST

Discussion

7.	(2 +√5) (2+ √5) expression is
Answer» Answer: (2+√5)² =2²+√5²+2(2)(√5) 4+5+4√5 Step-by-step EXPLANATION: HOPE it helps you plz MAKE me BRAINLIEST

7.

(2 +√5) (2+ √5) expression is

Answer»

Answer:

(2+√5)²

=2²+√5²+2(2)(√5)

4+5+4√5

Step-by-step EXPLANATION:

HOPE it helps you plz MAKE me BRAINLIEST

Discussion

8.	Find the greatest 4 digit number exactly divisible by 12, 16, 24, 28 and 36
Answer» 4032 is the number. the lcm of all these number will be the LARGEST number which will be DIVISIBLE by 12, 16, 24, 28 and 36.

8.

Find the greatest 4 digit number exactly divisible by 12, 16, 24, 28 and 36

Answer»

4032 is the number.

the lcm of all these number will be the LARGEST number which will be DIVISIBLE by 12, 16, 24, 28 and 36.

Discussion

9.	Write the following as percent 93/100
Answer» 93/100 =93/100×100 =93 PERCENT

9.

Write the following as percent 93/100

Answer»

93/100

=93/100×100

=93 PERCENT

Discussion

10.	A cone is mounted on a hemisphere of radius r cm and height of the cone h cm. Then the volume of the solid
Answer» Step-by-step EXPLANATION: VOLUME of CONE + volume of HEMISPHERE ( 1/3 r²+h. ). +πr²h r²h( 1/3 + 22/7)

10.

A cone is mounted on a hemisphere of radius r cm and height of the cone h cm. Then the volume of the solid

Answer»

Step-by-step EXPLANATION:

VOLUME of CONE + volume of HEMISPHERE

( 1/3 r²+h. ). +πr²h

r²h( 1/3 + 22/7)

Discussion

11.	Represent minus 8 by 3 on number line
Answer» Answer: MAKE a line and write 1 to 10 Step-by-step explanation: then FIRST go to 8 and come back 3 STEPS

11.

Represent minus 8 by 3 on number line

Answer»

Answer:

MAKE a line and write 1 to 10

Step-by-step explanation:

then FIRST go to 8 and come back 3 STEPS

Discussion

12.	Brunette College offers 4 math classes, 2 science classes, 3 language classes, and 5 art classes. Sylvia needs to sign up for exactly one class in each subject. How many different combinations of classes does Sylvia have to choose from?
Answer» Given: Number of Math classes = 4 Number of Science classes = 2 Number of Language classes = 3 Number of Art classes = 5 To FInd: The number of different combinations available if Sylvia has to one class per subject. Solution: Number of choices for Math classes = 4 Number of choices for Science classes = 2 Number of choices for Language classes = 3 Number of choices for Art classes = 5 Total number of possible combinations = 4 x 2 x 3 x 5 Total number of possible combinations = 120 Answer: There are 120 combinations available.

12.

Brunette College offers 4 math classes, 2 science classes, 3 language classes, and 5 art classes. Sylvia needs to sign up for exactly one class in each subject. How many different combinations of classes does Sylvia have to choose from?

Answer»

Given:

Number of Math classes = 4

Number of Science classes = 2

Number of Language classes = 3

Number of Art classes = 5

To FInd:

The number of different combinations available if Sylvia has to one class per subject.

Solution:

Number of choices for Math classes = 4

Number of choices for Science classes = 2

Number of choices for Language classes = 3

Number of choices for Art classes = 5

Total number of possible combinations = 4 x 2 x 3 x 5

Total number of possible combinations = 120

Answer: There are 120 combinations available.

Discussion

13.	Suppose we represent the distance above the ground by a positive integer and that blow the ground by negative Integer if an elevator descenfs at a rate of 5 metre per minute and begin to descends from 15m above the ground,what will be its position after 45
Answer» Given : an elevator descends at a rate of 5 metre PER minute and begin to descends from 15m above the ground To find : Position of elevator after 45 SEC Solution: elevator begin to descends from 15m above the ground => initial position = + 15 m elevator descends at a rate of 5 metre per minute => elevator descend in 60 secs = 5 m => elevator descend in 1 secs = 5 /60 m => elevator descend in 45 secs = 45 * 5 / 60 = 3.75 m Position of elevator after 45 sec = 15 - 3.75 = 11.25 m Position of elevator is 11.25 m above ground after 45 secs Learn more: in e l e v a t o R is 12 metres below ground descends to a point ... brainly.in/question/9237450 An elevator descends into a mine shaft at the rate of 6 m/min. If the ... brainly.in/question/9765922

13.

Suppose we represent the distance above the ground by a positive integer and that blow the ground by negative Integer if an elevator descenfs at a rate of 5 metre per minute and begin to descends from 15m above the ground,what will be its position after 45

Answer»

Given : an elevator descends at a rate of 5 metre PER minute and begin to descends from 15m above the ground

To find : Position of elevator after 45 SEC

Solution:

elevator begin to descends from 15m above the ground

=> initial position = + 15 m

elevator descends at a rate of 5 metre per minute

=> elevator descend in 60 secs = 5 m

=> elevator descend in 1 secs = 5 /60 m

=> elevator descend in 45 secs = 45 * 5 / 60 = 3.75 m

Position of elevator after 45 sec = 15 - 3.75 = 11.25 m

Position of elevator is 11.25 m above ground after 45 secs

Learn more:

in e l e v a t o R is 12 metres below ground descends to a point ...

brainly.in/question/9237450

An elevator descends into a mine shaft at the rate of 6 m/min. If the ...

brainly.in/question/9765922

Discussion

14.	The even number between 15 to 25.
Answer» ANSWER: 16,18,20,22,24 is your answer MATE

14.

The even number between 15 to 25.

Answer»

ANSWER:

16,18,20,22,24 is your answer MATE

Discussion

15.	Find the missing number 7 5 5 63 2 4 72 3 32 2
Answer» ANSWER: 5 YAHI hogaaaaaaa answer

15.

Find the missing number 7 5 5 63 2 4 72 3 32 2

Answer»

ANSWER:

5 YAHI hogaaaaaaa answer

Discussion

16.	Write an expression for the difference between p and 4\
Answer» Answer: the EXPRESSION is p-4 hope it is helpful to you please MARK me brainlist

16.

Write an expression for the difference between p and 4\

Answer»

Answer:

the EXPRESSION is

p-4

hope it is helpful to you

please MARK me brainlist

Discussion

17.	The sum of two integers is – 41. If one of them is 200, find the other.
Answer» 200+x=-41 x=-41-200 x=-241 I HOPE this HELPS you and PLEASE MARK me the BRAINLIAST.

17.

The sum of two integers is – 41. If one of them is 200, find the other.

Answer»

200+x=-41

x=-41-200

x=-241

I HOPE this HELPS you and PLEASE MARK me the BRAINLIAST.

Discussion

18.	What is the value of sin 270
Answer» hi mate here is your ANSWER... Find sin270∘. Explanation: On the trig unit CIRCLE, sin (270) = sin (90 + 180 ) = - sin 90 = - 1. Step-by-step explanation: HOPE my answer will help you...

18.

What is the value of sin 270

Answer»

hi mate here is your ANSWER...

Find sin270∘. Explanation: On the trig unit CIRCLE, sin (270) = sin (90 + 180 ) = - sin 90 = - 1.

Step-by-step explanation:

HOPE my answer will help you...

Discussion

19.	The weight of 28 iron pillar is 6608 kg ,find the weight of 1 pillar
Answer» ANSWER: the WEIGHT of ONE PILLAR is 236 kg Step-by-step explanation: 6608/28=236

19.

The weight of 28 iron pillar is 6608 kg ,find the weight of 1 pillar

Answer»

ANSWER:

the WEIGHT of ONE PILLAR is 236 kg

Step-by-step explanation:

6608/28=236

Discussion

20.	Answer this math question please do fast to fast
Answer» ANSWER: HOPE it will HELP you with your QUESTIONS

20.

Answer this math question please do fast to fast

Answer»

ANSWER:

HOPE it will HELP you with your QUESTIONS

Discussion

21.	if the sum of two integers is -10 and one of them is 18, then find the additive inverse of the other integer?
Answer» ANSWER: =(-10)-(18)= ANS= -8

21.

if the sum of two integers is -10 and one of them is 18, then find the additive inverse of the other integer?

Answer»

ANSWER: =(-10)-(18)= ANS= -8

Discussion

22.	Slove this question frnds
Answer» (1/COSX) - cosx = (1- cos²x)/cosx = sin²x/cosx = tanx.sinx (• sinx/cosx=tanx)

22.

Slove this question frnds

Answer»

(1/COSX) - cosx

= (1- cos²x)/cosx

= sin²x/cosx

= tanx.sinx (• sinx/cosx=tanx)

Discussion

23.	Find the estimated quotient 93divide by 34
Answer» Answer: $93 \div 34 =$ Step-by-step explanation: So It can be calculated in DECIMAL PLACES SO U *WRITE* AS UR *UNDERSTANDINGS*

23.

Find the estimated quotient 93divide by 34

Answer»

Answer:

$93 \div 34 =$

Step-by-step explanation:

So It can be calculated in DECIMAL PLACES SO U WRITE AS UR UNDERSTANDINGS

Discussion

24.	Math lovers plz answer this question
Answer» $\Large{\underline{\underline{\mathfrak{\bf{Question}}}}}$ Show that, $\sf{\:(\csc \theta\:-\:\cot \theta)^2\:=\:\dfrac{(1-\cos \theta)}{(1+\cos \theta)}}$ $\Large{\underline{\underline{\mathfrak{\bf{Solution}}}}}$ First take L.H.S. $\mapsto\sf{\:(\csc \theta\:-\:\cot \theta)^2} \\ \\ \small\sf{\orange{\:\:\:\csc \theta\:=\:\dfrac{1}{\sin \theta}\:\:and\:\:\cot \theta\:=\:\dfrac{\cos \theta}{\sin \theta}}} \\ \\ \sf{\:=\:\left(\dfrac{1}{\sin \theta}\:-\:\dfrac{\cos \theta}{\sin \theta}\right)^2} \\ \\ \sf{\:=\:\left(\dfrac{1-\cos \theta}{\sin \theta}\right)^2} \\ \\ \sf{\:=\:\dfrac{(1-\cos \theta)^2}{\sin^2 \theta}}$ Now, Take R.H.S. $\mapsto\sf{\:\dfrac{(1-\cos \theta)}{(1+\cos \theta)}} \\ \\ \small\sf{\:\:\:\:\:Rationalized\:Denominators} \\ \\ \sf{\:=\:\dfrac{(1-\cos \theta)(1-\cos \theta)}{(1-\cos \theta)(1+\cos \theta)}} \\ \\ \sf{\:=\:\dfrac{(1-\cos \theta)^2}{(1-\cos^2 \theta)}} \\ \\ \small\sf{\orange{\:\:\:\:(1-\cos^2 \theta)\:=\:\sin^2 \theta}} \\ \\ \sf{\:=\:\dfrac{(1-\cos^2 \theta)}{\sin^2 \theta}}$ By, first and second, $\mapsto\sf{\blue{\:\dfrac{(1-\cos \theta)^2}{\sin^2 \theta}\:=\:\dfrac{(1-\cos \theta)^2}{\sin^2 \theta}}}$ L.H.S. = R.H.S. That's proved.

24.

Math lovers plz answer this question

Answer»

$\Large{\underline{\underline{\mathfrak{\bf{Question}}}}}$

Show that, $\sf{\:(\csc \theta\:-\:\cot \theta)^2\:=\:\dfrac{(1-\cos \theta)}{(1+\cos \theta)}}$

$\Large{\underline{\underline{\mathfrak{\bf{Solution}}}}}$

First take L.H.S.

$\mapsto\sf{\:(\csc \theta\:-\:\cot \theta)^2} \\ \\ \small\sf{\orange{\:\:\:\csc \theta\:=\:\dfrac{1}{\sin \theta}\:\:and\:\:\cot \theta\:=\:\dfrac{\cos \theta}{\sin \theta}}} \\ \\ \sf{\:=\:\left(\dfrac{1}{\sin \theta}\:-\:\dfrac{\cos \theta}{\sin \theta}\right)^2} \\ \\ \sf{\:=\:\left(\dfrac{1-\cos \theta}{\sin \theta}\right)^2} \\ \\ \sf{\:=\:\dfrac{(1-\cos \theta)^2}{\sin^2 \theta}}$

Now, Take R.H.S.

$\mapsto\sf{\:\dfrac{(1-\cos \theta)}{(1+\cos \theta)}} \\ \\ \small\sf{\:\:\:\:\:Rationalized\:Denominators} \\ \\ \sf{\:=\:\dfrac{(1-\cos \theta)(1-\cos \theta)}{(1-\cos \theta)(1+\cos \theta)}} \\ \\ \sf{\:=\:\dfrac{(1-\cos \theta)^2}{(1-\cos^2 \theta)}} \\ \\ \small\sf{\orange{\:\:\:\:(1-\cos^2 \theta)\:=\:\sin^2 \theta}} \\ \\ \sf{\:=\:\dfrac{(1-\cos^2 \theta)}{\sin^2 \theta}}$

By, first and second,

$\mapsto\sf{\blue{\:\dfrac{(1-\cos \theta)^2}{\sin^2 \theta}\:=\:\dfrac{(1-\cos \theta)^2}{\sin^2 \theta}}}$

L.H.S. = R.H.S.

That's proved.

Discussion

25.	Find the value of the following 2√3+8√18
Answer» Step-by-step explanation: 2 $2 \sqrt{3} + 8 \sqrt{18} \\ = 2 \sqrt{3} (1 + 4 \sqrt{6} ) \\ this \: is \: the \: asof \: the \: gven \: condition$

25.

Find the value of the following 2√3+8√18

Answer»

Step-by-step explanation:

2

$2 \sqrt{3} + 8 \sqrt{18} \\ = 2 \sqrt{3} (1 + 4 \sqrt{6} ) \\ this \: is \: the \: asof \: the \: gven \: condition$

Discussion

26.	Write the number just before and after ____22200____
Answer» ANSWER: before=22199 and after=22201 hope it MAY HELP u mark as BRAINLIST

26.

Write the number just before and after 22200

Answer»

ANSWER:

before=22199 and after=22201

hope it MAY HELP u

mark as BRAINLIST

Discussion

27.	Find the denominator of a circle whose reduced in 9.5 CM
Answer» Answer: 19 cm Step-by-step EXPLANATION: DIAMETER = 2* Radius D= 2*9.5 =19

27.

Find the denominator of a circle whose reduced in 9.5 CM

Answer»

Answer:

19 cm

Step-by-step EXPLANATION:

DIAMETER = 2* Radius

D= 2*9.5

=19

Discussion

28.	Solve the following word problems:1. A rectangular sheet of paper is 12 cm long and 10 cm wide. Find its perimeter.Hint: Apply formula of perimeter of rectangle.(Answer:Note: If given problem is in mixed fraction then prefer your answer also in mixed fra2. Salil wants to put a picture in a frame. The picture is 7 cm wide. To fit in the frarmore than 7-cm wide. How much should the picture be trimmed?.Hint: As width of picture is more than frame so (Width of picture - Width of frameLe. Width of frame should be subtracted from width of picture(AnsweIn the morning, a milkman filled 5-1 of milk in his can. He sold to Renu, Kamlaach; to Shadma he sold1; and to Jassi he gave 11. How much milk is left in the(Anwe
Answer» ANSWER: how MANY QUESTIONS are there in this PAPER can you TELL me then I can answer

28.

Solve the following word problems:1. A rectangular sheet of paper is 12 cm long and 10 cm wide. Find its perimeter.Hint: Apply formula of perimeter of rectangle.(Answer:Note: If given problem is in mixed fraction then prefer your answer also in mixed fra2. Salil wants to put a picture in a frame. The picture is 7 cm wide. To fit in the frarmore than 7-cm wide. How much should the picture be trimmed?.Hint: As width of picture is more than frame so (Width of picture - Width of frameLe. Width of frame should be subtracted from width of picture(AnsweIn the morning, a milkman filled 5-1 of milk in his can. He sold to Renu, Kamlaach; to Shadma he sold1; and to Jassi he gave 11. How much milk is left in the(Anwe

Answer»

ANSWER:

how MANY QUESTIONS are there in this PAPER can you TELL me then I can answer

Discussion

29.	Two positive integers 'p' and 'q' can be expressed as p = ab and q =ab , find the PCM of (a and b).
Answer» P = aBb Q = aab LCM = product of each factor having HIGHEST power = aab*b = a^2b^2

Discussion

30.	How to convert 0.3 into decimal
Answer» ANSWER: we can't convert it into decimal because it is already in decimal FORM.

30.

How to convert 0.3 into decimal

Answer»

ANSWER:

we can't convert it into decimal because it is already in decimal FORM.

Discussion

31.	Prove that every positive integer is of the from 2q or 2q+1 for some integergq
Answer» ANSWER: hlw mate Step-by-step explanation: Show that every POSITIVE even integer is of the form 2q and every positive odd integer is of the form 2q+1, where q is a whole NUMBER. (i) Let 'a' be an even positive integer. since 'a' is an even positive integer, 2 divides 'a'. Hence, a=2q when 'a' is an even positive integer. mark me as BRAINLIST

31.

Prove that every positive integer is of the from 2q or 2q+1 for some integergq

Answer»

ANSWER:

hlw mate

Step-by-step explanation:

Show that every POSITIVE even integer is of the form 2q and every positive odd integer is of the form 2q+1, where q is a whole NUMBER. (i) Let 'a' be an even positive integer. since 'a' is an even positive integer, 2 divides 'a'. Hence, a=2q when 'a' is an even positive integer.

mark me as BRAINLIST

Discussion

32.	What is standard form of 5.72 x 10
Answer» Answer: 57.2 MAY be this is STANDARD FORM

32.

What is standard form of 5.72 x 10

Answer»

Answer:

57.2 MAY be this is STANDARD FORM

Discussion

33.	4/5,2/3,5/6 find the average rational number
Answer» Answer: 23/30 Step-by-step EXPLANATION: AVERAGE = sum/ TOTAL number = ( 4/5+2/3+5/6) / 3 =[ (24+20+25) / 30 ] / 3 = 69 / (30×3) = (23×3) / (30×3) = 23/30

33.

4/5,2/3,5/6 find the average rational number

Answer»

Answer:

23/30

Step-by-step EXPLANATION:

AVERAGE = sum/ TOTAL number

= ( 4/5+2/3+5/6) / 3

=[ (24+20+25) / 30 ] / 3

= 69 / (30×3)

= (23×3) / (30×3)

= 23/30

Discussion

34.	A car rental company charges an initial fee plus a constant fee per kilometer driven.The table compares the total distance driven on the trip (in kilometers) and the price of the rental (in dollars).Distance (KM) Price (Dollars) 110 186145 207170 222What is the company's initial fee?
Answer» Answer: Step-by-step explanation: Let, x ------> the total DISTANCE driven on the trip (in kilometers) y -----> the price of the RENTAL (in dollars) we have, (110,186) and (170,222) ----> SEE the table step 1, Find the slope of the linear function m=(222-186)/(170-110) m=36/60 m=0.6 $/km The slope of the linear equation is equal to the unit rate so, The cost of each kilometer driven is $0.6

34.

A car rental company charges an initial fee plus a constant fee per kilometer driven.The table compares the total distance driven on the trip (in kilometers) and the price of the rental (in dollars).Distance (KM) Price (Dollars) 110 186145 207170 222What is the company's initial fee?

Answer»

Answer:

Step-by-step explanation:

Let,

x ------> the total DISTANCE driven on the trip (in kilometers)

y -----> the price of the RENTAL (in dollars)

we have,

(110,186) and (170,222) ----> SEE the table

step 1,

Find the slope of the linear function

m=(222-186)/(170-110)

m=36/60

m=0.6 $/km

The slope of the linear equation is equal to the unit rate

so,

The cost of each kilometer driven is $0.6

Discussion

35.	Factorise 25x2+70xy+49y2
Answer» ANSWER: Step-by-step explanation: The exponent tells us to move the decimal point THREE places to the right. FINALLY, we FILL in the missing positions with zeros. THEREFORE, 5.72 × 10³ written in standard notation is 5,720

35.

Factorise 25x2+70xy+49y2

Answer»

ANSWER:

Step-by-step explanation:

The exponent tells us to move the decimal point THREE places to the right. FINALLY, we FILL in the missing positions with zeros. THEREFORE, 5.72 × 10³ written in standard notation is 5,720

Discussion

36.	Defination of simple intrest and time and principal
Answer» ANSWER: Simple interest is CALCULATED only on the original sum of money, which is known as the principal. To calculate simple interest, use this formula: Principal X rate x time = interest. For example, say you invest $100 (the principal) at a 5% ANNUAL rate for one year.

36.

Defination of simple intrest and time and principal

Answer»

ANSWER:

Simple interest is CALCULATED only on the original sum of money, which is known as the principal. To calculate simple interest, use this formula: Principal X rate x time = interest. For example, say you invest $100 (the principal) at a 5% ANNUAL rate for one year.

Discussion

37.	12/-23×(-23/12)=1 which type of property is used.
Answer» I THINK so Reciprocal property. I hope this HELPS you and please MARK me the BRAINLIAST.

37.

12/-23×(-23/12)=1 which type of property is used.

Answer»

I THINK so Reciprocal property.

I hope this HELPS you and please MARK me the BRAINLIAST.

Discussion

38.	Find 10 rational number greater than -9
Answer» Answer: -8, -7, -6, -5, -4, -3, -2, -1 , 1, 2 Mark it as the BRAINLIEST answer

38.

Find 10 rational number greater than -9

Answer»

Answer:

-8, -7, -6, -5, -4, -3, -2, -1 , 1, 2

Mark it as the BRAINLIEST answer

Discussion

39.	4/9×(-3/7)+3/14+(-3/7)×2/9
Answer» Answer: -1/14 Step-by-step explanation: 4/9×(-3/7)+3/14+(-3/7)×2/9 Apply BODMAS, (-4/21)+3/14+(-2/21) TAKING LCM it comes as 42, (-8)+9(-4)/42 9+(-12)/42 -3/42=-1/14

39.

4/9×(-3/7)+3/14+(-3/7)×2/9

Answer»

Answer:

-1/14

Step-by-step explanation:

4/9×(-3/7)+3/14+(-3/7)×2/9

Apply BODMAS,

(-4/21)+3/14+(-2/21)

TAKING LCM it comes as 42,

(-8)+9(-4)/42

9+(-12)/42

-3/42=-1/14

Discussion

40.	Find the value of x^3+y^3+z^3-3xyz if x^2+y^2+z^2=83 and x+y+z=15
Answer» Answer: 180 Step-by-step EXPLANATION: x=7 y=5 z=3

40.

Find the value of x^3+y^3+z^3-3xyz if x^2+y^2+z^2=83 and x+y+z=15

Answer»

Answer:

180

Step-by-step EXPLANATION:

x=7

y=5

z=3

Discussion

41.	44 people can complete a job in 28 days. In how many days 56 people be able to do the same job.
Answer» ANSWER: the answer for this QUESTION is Step-by-step explanation: here we will use unitary method to proceed the answer:- 44 = 28 56 = ? 44 X 28 56 so your REQUIRED answer is 22. please mark it as the brainlieast answer

41.

44 people can complete a job in 28 days. In how many days 56 people be able to do the same job.

Answer»

ANSWER:

the answer for this QUESTION is

Step-by-step explanation:

here we will use unitary method to proceed the answer:-

44 = 28

56 = ?

44 X 28

56

so your REQUIRED answer is 22.

please mark it as the brainlieast answer

Discussion

42.	2,200 people enter an amusement park every hour how long would it take if 6,600 people entered the park
Answer» ANSWER: It TAKES 3 HOURS for the entrance of 6600 people Step-by-step explanation: 1hour = 2200people 3hours = ? 3 X 2200 = 6600

42.

2,200 people enter an amusement park every hour how long would it take if 6,600 people entered the park

Answer»

ANSWER:

It TAKES 3 HOURS for the entrance of 6600 people

Step-by-step explanation:

1hour = 2200people

3hours = ?

3 X 2200 = 6600

Discussion

43.	Like terms of 5xy²if u answer correct i make them brainlist
Answer» ANSWER: answer is 10 XY of the QUESTION

43.

Like terms of 5xy²if u answer correct i make them brainlist

Answer»

ANSWER:

answer is 10 XY of the QUESTION

Discussion

44.	Ranu is three times the age of Sanjay after 4 years the sum of their age would be 40 years find their present age
Answer» Answer: 24,8 Step-by-step EXPLANATION: LET the sanjay's be x ranu age is 3X (x+4)+(3x+4)=40 4x+8=40 4x=32 x=8 ranu age=3x=3*8=24 sanjay age =8

44.

Ranu is three times the age of Sanjay after 4 years the sum of their age would be 40 years find their present age

Answer»

Answer:

24,8

Step-by-step EXPLANATION:

LET the sanjay's be x

ranu age is 3X

(x+4)+(3x+4)=40

4x+8=40

4x=32

x=8

ranu age=3x=3*8=24

sanjay age =8

Discussion

45.	Binomial Distribution1. If p=1/2, then the distribution is symmetrical.2. p remaining constant, P(X=r) increases as n increases.( NDA - 1 2010 Question )
Answer» Answer: Go to Google MAD SEARCH I m SHORE u will get the answer

45.

Binomial Distribution1. If p=1/2, then the distribution is symmetrical.2. p remaining constant, P(X=r) increases as n increases.( NDA - 1 2010 Question )

Answer»

Answer:

Go to Google MAD SEARCH I m SHORE u will get the answer

Discussion

46.	Find the center and radius of the circle 2x²+2y²-5x-6y+3=0
Answer» Answer: pitfall in the question is the COEFFICIENT of HIGHEST degree terms in the expression. If you thought of taking 2 COMMON and converting into a perfect SQUARE then that basically gives you wrong answer. SIMPLY search center for a general circle equation you will find it. answer is (5/2,6/2)

46.

Find the center and radius of the circle 2x²+2y²-5x-6y+3=0

Answer»

Answer:

pitfall in the question is the COEFFICIENT of HIGHEST degree terms in the expression. If you thought of taking 2 COMMON and converting into a perfect SQUARE then that basically gives you wrong answer. SIMPLY search center for a general circle equation you will find it. answer is (5/2,6/2)

Discussion

47.	एक धनात्मक पूर्णांक का 5 गुना, उस संख्या के वर्ग के दो गुने से 3 कम है\| वह संख्या क्या होगी?
Answer» $\huge\underline\frak{\fbox{Question :-}}$ एक धनात्मक पूर्णांक का 5 गुना, उस संख्या के वर्ग के दो गुने से 3 कम है\| वह संख्या क्या होगी? $\huge\underline\frak{\fbox{AnSwEr :-}}$ $\longrightarrow$ x = 3 Step by step explanation : $\text{[math]}$ हल:- माना वह धनात्मक संख्या x है। तब $\longrightarrow$ 2x² = 5X + 3 $\longrightarrow$ 2x² - 5x - 3 = 0 $\longrightarrow$ 2x² - 6x + x - 3 = 0 $\longrightarrow$ 2x(x - 3) + 1(x - 3) = 0 $\longrightarrow$ (2x + 1) (x - 3) = 0 $\longrightarrow$ x = 3

47.

एक धनात्मक पूर्णांक का 5 गुना, उस संख्या के वर्ग के दो गुने से 3 कम है| वह संख्या क्या होगी?

Answer»

$\huge\underline\frak{\fbox{Question :-}}$

एक धनात्मक पूर्णांक का 5 गुना, उस संख्या के वर्ग के दो गुने से 3 कम है| वह संख्या क्या होगी?

$\huge\underline\frak{\fbox{AnSwEr :-}}$

$\longrightarrow$ x = 3

Step by step explanation : $\text{[math]}$

हल:- माना वह धनात्मक संख्या x है।

तब

$\longrightarrow$ 2x² = 5X + 3

$\longrightarrow$ 2x² - 5x - 3 = 0

$\longrightarrow$ 2x² - 6x + x - 3 = 0

$\longrightarrow$ 2x(x - 3) + 1(x - 3) = 0

$\longrightarrow$ (2x + 1) (x - 3) = 0

$\longrightarrow$ x = 3

Discussion

48.	3 one tin hold 12 _ litre of oil how many litre of oil 4can 26 such tin hold ?
Answer» Step-by-step explanation: 1 TIN has the CAPACITY of 12 litres 1 =12 26 = ? 12 X 26 =312 litres therefore, 26 tin cans can HOLD 312 litres of oil

48.

3 one tin hold 12 _ litre of oil how many litre of oil 4can 26 such tin hold ?

Answer»

Step-by-step explanation:

1 TIN has the CAPACITY of 12 litres

1 =12

26 = ?

12 X 26 =312 litres

therefore, 26 tin cans can HOLD 312 litres of oil

Discussion

49.	If sec theta =2 then find sin theta , tan theta ,cot theta +cosec theta
Answer» ANSWER: Maine ch NHI SAMJHA isliye mujhe nhi aata sorryyyyyyyyyy aap Kisi or SE Puch le ffzjgkchgkkhj

49.

If sec theta =2 then find sin theta , tan theta ,cot theta +cosec theta

Answer»

ANSWER:

Maine ch NHI SAMJHA isliye mujhe nhi aata sorryyyyyyyyyy aap Kisi or SE Puch le ffzjgkchgkkhj

Discussion

50.	Find the square root of the following decimal no:2.56
Answer» Answer: 1.6 Step-by-step EXPLANATION: √2.56 = √256/100 = √256/√100 = 16/10 = 1.6

50.

Find the square root of the following decimal no:2.56

Answer»

Answer:

1.6

Step-by-step EXPLANATION:

√2.56

= √256/100

= √256/√100

= 16/10

= 1.6

Discussion

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