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nadya68 [22]
3 years ago
6

Find the perimeter of a square that is 3 3/4 inches on a side.

Mathematics
1 answer:
Dahasolnce [82]3 years ago
6 0

perimeter would be s x 4

 so 3 3/4 x 4 = 15

 B is the correct answer

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A collection of 8 geodes has a mean weight of 14 ounces. A different collection of 12 geodes has a mean weight of 9 ounces. What
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Answer:

The mean weight of the 20 geodes is 11 ounce.

Step-by-step explanation:

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Mean weight is actually the average weight. Add up all weight, then divides by the number objects.

\textrm{Mean weight}=\frac{\textrm{Total weight}}{\textrm{Total number of objects}}

Given that,

A collection of 8 geodes has mean weight of 14 ounce.

Then the total weight of 8 geodes is =(8×14) ounce

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A different collection of 12 geodes has a mean weight of 9 ounce.

Then the total weight of 8 geodes is =(12×9) ounce

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Therefore total weight of (12+8) =20 geodes is = (112+108) ounce

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=\frac{220}{20}

=11 ounce.

The mean weight of the 20 geodes is 11 ounce.

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