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3 years ago

Forty more than twice malia's age is 64

Mathematics

2 answers:

ICE Princess25 [194]3 years ago

8 0

12 x 2+40=64

Malia is 12 years old.

Natasha2012 [34]3 years ago

3 0

She is 12 years old......

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3 years ago

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TiliK225 [7]

Answer:

Step-by-step explanation:

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3 years ago

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3 years ago

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3 years ago

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slavikrds [6]

The prism with the pentagonal base's volume is 585 cm³.

Step-by-step explanation:

Step 1:

The prism has a pentagonal base.

The volume of a prism with a pentagonal base, $V=\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} h.$

In the formula to determine the prism's volume, in the question, it is given that $\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2}$ is equal to 45 cm².

Step 2:

So if we substitute $\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} = 45$ in $V=\frac{1}{4} \sqrt{5(5+2 \sqrt{5})} a^{2} h.$ we get,

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3 years ago