3 years ago

Evaluate the expression. 8! − 5!

Mathematics

2 answers:

storchak [24]3 years ago

5 0

Answer:

Step-by-step explanation:

40200

svp [43]3 years ago

4 0

Answer:

40200

Step-by-step explanation:

(8x7x6x5x4x3x2x1) - (5x4x3x2x1)

Or simply plug 8! - 5! into the calc.

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3 years ago

In Circle O, centrally angle AOB measures π/3 radians.What is the length of arc AB?

Oksanka [162]

Answer:

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Step-by-step explanation:

The length of any arc is calculated using the following equation:

s = r*θ

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5 0

4 years ago

Find the surface area of a sphere with a volume of 36π in3.

swat32

First use known volume to solve for radius:
$V=\frac{4}{3}\pi r^{3}$
$r=\sqrt[3]{\frac{3V}{4\pi}}$
$r=\sqrt[3]{\frac{3(36\pi)}{4\pi}}$
$r=\sqrt[3]{27}$
$r=3$

Then use the radius to get the surface area:
$A_{surf}=4 \pi r^{2}$
$A_{surf}=4 \pi 3^{2}$
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3 years ago