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4 years ago

11

Find the volume of the composite figure. Round to the nearest tenth. The base of each pyramid is a square with a side length of

5 inches and each pyramid has a height of 9 inches.
16025

The volume of the composite figure is
in3.

1 answer:

antiseptic1488 [7]4 years ago

7 0

Answer:

225 in3

Step-by-step explanation:

5 x 5 = 25 as the base

25 x 9 = 225 as volume

If this is right, I would like brainliest

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Step-by-step explanation:

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3 years ago

Convert the rectangular coordinates (4√3,−4) to polar form. Let r>0 and 0≤θ<2π.

spayn [35]

Answer:

(8,150)

Step-by-step explanation:

Polar form is in,

(r,theta).

To find r, apply pythagorean theorem using both coordinates to find r.

$(4 \sqrt{3} ) {}^{2} + ( - 4 {}^{2} ) = {r}^{2}$

$48 + 16 = {r}^{2}$

$r = 8$

To find theta, since we know the opposite and adjacent side, apply the tangent function.

$\tan(x) = \frac{ - 4}{4 \sqrt{3} }$

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$\tan {}^{ - 1} ( \frac{ - 4}{4 \sqrt{3} } ) = - 30$

Since the degrees have to be in between 0 and 360. Add 180 to -30.

$- 30 + 180 = 150$

So the answer is

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3 years ago