3 years ago

Solve. x 2 /7

Mathematics

2 answers:

kolezko [41]3 years ago

4 0

The answer is D I think

Arturiano [62]3 years ago

4 0

The answer is C (9)

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Distance = 21.0049 inches

Step-by-step explanation:

Given the following data;

Speed = 3.395 inches per minute.

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To find the distance;

Distance = speed * time

Substituting into the equation, we have;

Distance = 3.395 * 6.187

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3 years ago

More points for yal if u help <333

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Step-by-step explanation:

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Find the volume of a right circular cone that has a height of 9.1 cm and a base with a circumference of 13.3 cm. Round your answ

diamong [38]

Answer:

Volume = 42.8 cubic centimeters

Step-by-step explanation:

The volume of right circular cone is:

$V=\frac{1}{3}\pi r^2 h$

Where

r is the radius

h is the height

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h = 9.1

We aren't given radius explicitly, we are given circumference of 13.3, so we need to figure out radius from that. Lets do this:

$C=2\pi r\\13.3=2\pi r\\r=\frac{13.3}{2\pi}\\r=2.12$

So,

r = 2.12

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$V=\frac{1}{3}\pi r^2 h\\V=\frac{1}{3}\pi (2.12)^2 (9.1)\\V=42.83$

Rounded to nearest 10th is 1 decimal place, so

<u>Volume = 42.8 cubic centimeters</u>

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3 years ago