3 years ago

Use a graphing calculator and a system of

Mathematics

1 answer:

Gnom [1K]3 years ago

3 0

Answer: -2 and 0

Step-by-step explanation:

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3 years ago

How do I solve this?

ziro4ka [17]

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3 years ago

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solniwko [45]

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3 years ago

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pychu [463]

Answer:

68.8 sq. inches.

Step-by-step explanation:

The triangular surfaces have sides 2 in by 3 in by 4 in.

So, half perimeter, s = $\frac{2 + 3 + 4}{2} = 4.5$

So, the area of the triangular face is $\sqrt{s(s - 4)(s - 2)(s - 3)} = \sqrt{4.5 \times 0.5 \times 2.5 \times 1.5} = 2.9$ sq. inches.

Now, the total surface area of the right triangular prism will be (2.9 × 2) + 7(2 + 3 + 4) = 68.8 sq. inches. (Answer)

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2 years ago