3 years ago

The surface area of a composite figure

1 answer:

Aleks [24]3 years ago

8 0

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gtnhenbr [62]

19,008 I just used a calculator

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2 years ago

Vlad1618 [11]

2:7 = 4:14 because each is equal to 2/7. If you simplify 4:14 by dividing by 2, it simplifies to 2:7.

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3 years ago

algol13

Answer:

1 1/2 x 4 1/2 x 5 = 33 3/4

7 0

3 years ago

lianna [129]

Answer:

b^2 = 46

b = √46 (or 6.78 rounded)

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3 years ago

expeople1 [14]

Answer:

(a) $\theta=\tan^{-1}(-0.890)$

$\implies \theta=-41.66908262 \pm 180 \textdegree n$

$\implies \theta=138.3309174..., 318.3309174...$

$\implies \theta=138\textdegree, 318\textdegree$

(b) $\theta=\cos^{-1}\left(\dfrac{\sqrt{3} }{2}\right)$

$\implies \theta=30 \textdegree \pm360 \textdegree n, 330 \textdegree \pm360 \textdegree n$

$\implies \theta=30 \textdegree , 330 \textdegree$

$\implies \theta=30 \textdegree \pm360 \textdegree n, 150 \textdegree \pm360 \textdegree n$

$\implies \theta=30 \textdegree , 150 \textdegree$

3 0

2 years ago