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2 years ago

10 + (2 x 3)2 ÷ 4 × 1 over 2 to the power of 3

Mathematics

1 answer:

Zielflug [23.3K]2 years ago

7 0

Answer:

1.4375

Step-by-step explanation:

$\frac{10 + (2 x 3)^{2} / (4)(1)}{2^{3}} \\$

$\frac{10 + (6)^{2} /4}{8} \\$

$\frac{10 + 36 / 4}{8} \\$

$\frac{46 /4}{8} \\$ = $\frac{11.5}{8} \\$

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2 years ago

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2 years ago

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Flura [38]

Answer:

r=4 d=8 a = 16π c = 8π

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Step-by-step explanation:

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3 years ago

A half-filled cylindrical water tank has a water level of 20 feet high. The tank can hold 6000 cubic feet of water. Find the dia

Anettt [7]

Answer:

d = 13.8 feet

Step-by-step explanation:

Because we are talking about cubic feet of water, we need the formula for the VOLUME of a cylinder. That formula is

$V=\pi r^2h$

We will use 3.141592654 for pi; if the tank HALF filled with water is at 20 feet, then the height of the tank is 40 feet, so h = 40; and the volume it can hold in total is 6000 cubic feet. Filling in then gives us:

$6000=(3.141592654)(r^2)(40)$

Simplify on the right to get

$6000=125.6637061r^2$

Divide both sides by 125.6637061 to get that

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3 years ago