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allochka39001 [22]
3 years ago
13

The ratio of Eric's red shoes to blue shoes is 3:4. If Eric has 12 red shoes, how many blue shoes does he have?

Mathematics
1 answer:
ludmilkaskok [199]3 years ago
4 0

Answer:

16

Step-by-step explanation:

red: blue

3        4

There are 12 red shoes

12/3 = 4

Multiply each side by 4

red: blue

3*4    4*4

12        16

There are 16 blue shoes

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allochka39001 [22]
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Find the average value of f over region
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The area of D is given by:

\int\limits \int\limits {1} \, dA = \int\limits_0^7 \int\limits_0^{x^2} {1} \, dydx  \\  \\ = \int\limits^7_0 {x^2} \, dx =\left. \frac{x^3}{3} \right|_0^7= \frac{343}{3}

The average value of f over D is given by:

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3 years ago
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