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3 years ago

49 7th graders and 35 8th graders show up at football tryouts choose a ratio that represents 7th to 8th graders at tryouts

Mathematics

1 answer:

Karo-lina-s [1.5K]3 years ago

3 0

Answer:

7:5

Step-by-step explanation:

49 7th to 25 8th which is 49:35. Simplify by taking out a 7 from both, leaving you with 7:5

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Hi! I was wondering if you could help with this question please :)

Makovka662 [10]

Answer:

$R=\frac{QJ}{I^2t}$

Step-by-step explanation:

So we have the equation:

$Q=\frac{I^2Rt}{J}$

And we want to solve for R.

First, let's multiply both sides by J to remove the fraction on the right. So:

$(J)Q=(J)\frac{I^2Rt}{J}$

Simplify the right:

$JQ=I^2Rt$

We can rewrite our equation as:

$JQ=R(I^2t)$

So, to isolate the R variable, divide both sides by I²t:

$\frac{JQ}{I^2t}=\frac{R(I^2t)}{I^2t}$

The right side cancels, so:

$R=\frac{QJ}{I^2t}$

And we are done!

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3 years ago

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irina [24]

Answer:

0.1

Step-by-step explanation:

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I just put it into a calculator

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3 years ago

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Answer:

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Step-by-step explanation:

x = first plane's average rate (in mph)

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