I am needing to know the answer to 3/7 of what number is 9?

Answers

Answer 1

Answer: In math, "of" almost always means "times".

So your question is: 3/7 times (the number) = 9

Multiply each side of that equation by 7 : 3 times (the number) = 63

Divide each side by 3 : The number = 21

Answer 2

Answer: The best thing to do is to find out what 1/7 is.
9/7= 1.28
1.28x3= 3.84
Therefore 3/7 of 9 is 3.84
Hope this helps :)

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PLS HELP! What are the solutions of 4x^2-8x+5=0

Answers

x = -1/2 = -0.500
x = 5/2 = 2.500

EITHER ONE WORKS

there are two solutions: x=-1/2=-0.500 . or . x= 5/2=2.500

i hope this helped

Subtract the following polynominals
3x^2-5x+12
5x^2+x-11

Answers

3x^2-5x+12

-(5x^2+x-11)

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3x^2-5x+12

-5x^2-x+ 11

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-2x^2 -6x+23

the debate team is showing a video of their recent debate. the first showing begins at 3:15 P.M. The second showing is scheduled at 4:50 P.M with a half hour break between the showings. how long is the video in hours and minutes?

Answers

The video will end at 4.20 PM (4.50 - 30 mins). So it starts at 3.15 PM and ends at 4.20 PM. So it is 1 hour and 5 minutes.

Answer:1 hr and 25 minutes

Step-by-step explanation:add 3:15 with 30 min to get 3:45 then add 4:50 with 30 minutes to get 5:20

Hopefully this helps ^_^ part c is longer then 6:30

Casey said that 40 people were surveyed. Is his answer reasonable?

Answers

If 40 people were surveyed then it is reasonable

It depends on your population size, and if your sample is biased. If your sample was 40 out of 100, then yes, it would be reasonable. But if your sample was 40 out of 1000, then no because the sample is too small.

Your mother gave you $13.32 with which to buy a present. This covered 3/5 of the cost. How much did the present cost? 8TH GRADE ONE STEP EQUATION. NEED HELP ASAP

Answers

3/5x = 13.32
x = 22.2

Answer: $22.20

13.32=3/5x
13.32/3=4.44
4.44*5=22.2
22.20$
The present costs 22.20$

What is the divisor of 33 3/4

Answers

33 ÷ 3/4 = 33 × 4/3 = 44

the correct answer is 44 hope this helps

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Find the solution for -0.5x-3.69 = x -1.9 -2.39.a) x=0.4 b) x= -0.4c) x=2.5 d) x= -2.5