2 years ago

Write 5.19 x 10^2 in standard form.

Mathematics

1 answer:

SVEN [57.7K]2 years ago

8 0

Answer:

519

hope this helped you

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A triangular pyramid and its net are shown. Rain uses Calculations below to conclude that the surface area of a triangular pyram

Harman [31]

Answer:

Rain is correct, calculates correctly, 238.5 square inches

Step-by-step explanation:

The given triangular pyramid is shown with the dimensions.

The surface area of the triangular pyramid is given by :

$A=\frac{1}{2}\left(a \times b\right) + 3\left(\frac{1}{2}\times b\times s\right)$

$A=\frac{1}{2}\left(10 \times 8.7\right) + 3\left(\frac{1}{2}\times 10\times 13\right)$

$A=43.5+(3\times 65)$

$A=43.5+195$

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Therefore, the surface area of the triangular pyramid is = 238.5 square inches.

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2 years ago

Find the measure of one interior angle of a regular 14-gon.

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