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Mathematics

1 answer:

Annette [7]3 years ago

7 0

Answer:

Step-by-step explanation:

use the distributive property to expand the expression:

-2(9 + 32n)

-2*9 + (-2*32n)

-18 - 64n

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Alexxx [7]

Answer:

45.2

Step-by-step explanation:

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3 years ago

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Bogdan [553]

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4 years ago

Find the surface area of the hemisphere

meriva

Answer:

$\boxed{Total \: surface \: area \: of \: hemisphere = 339.12\: {cm}^{2} }$

Step-by-step explanation:

Radius(r) = 6 cm

$Total \: surface \: area \: of \: hemisphere = 3\pi {r}^{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3 \times 3.14 \times {6}^{2} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3 \times 3.14 \times 36 \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 9.42 \times \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: =339.12 \: {cm}^{2}$

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4 years ago

Serena parachutes from a plane at a height of 20,000 ft above sea level. Several minutes later she notes from an instrument on h

DanielleElmas [232]

C) 5000 is the answer

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3 years ago

Read 2 more answers

Mr. Morris is going to save money and replace his sailboat's mainsail himself. He must determine the area of the mainsail in ord

mrs_skeptik [129]

Hey there,

Vertical base is 4 and horizontal base would be 15, which means that it would be the same on the other side. So we could do that math and your final answer would be 286 ft.

~Jurgen

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3 years ago