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ikadub [295]
3 years ago
13

What is the average of 17 over 15?

Mathematics
1 answer:
ira [324]3 years ago
3 0
Only the number one can into both 15 and 17.
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What 223 x 12 explain
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ABCD is a trapezoid find the value of X and y
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Sally finds a coin with a radius of 1.5 centimeters and a thickness of 0.25 cm. It has a measured mass of 18.54 grams. How can S
mote1985 [20]

Answer:

Silver

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<u>Volume of a cylinder</u>

\textsf{V}=\sf \pi r^2 h \quad\textsf{(where r is the radius and h is the height)}

Given:

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Substituting given values into the formula to find the volume:

\sf \implies V=\pi (1.5)^2(0.25)

\sf \implies V=0.5625 \pi \:cm^3

Find the density of the coin given it has a measured mass of 18.54 g

<u>Density formula</u>

\sf \rho=\dfrac{m}{V}

where:

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Given:

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Substituting given values into the density formula:

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Given:

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Therefore, as \sf \rho=10.49\:g\:cm^{-3} the coin is made from silver.

4 0
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