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3 years ago

After Thanksgiving, Fernando had 3/8 of a pumpkin pie left. Later that night, 1 point

Mathematics

1 answer:

Elan Coil [88]3 years ago

4 0

Answer:

Step-by-step explanation:

Given that Fernando had 3/8 of a pumpkin pie left.

So, the remaining pie= 3/8 of a pie.

As Fernando ate 2/3 of the remaining pie, so,

the portion of a pie that Fernando ate = 2/3 x 3/8 of a pie = 1/4 of a pie.

So, Fernando ate 1/4 of a pie.

Hence, option (C) is correct.

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Answer:

See example below.

Step-by-step explanation:

You'll need the height and radius of the cone to find the volume. Use the example below to find your solution.

Example:

The volume of the cone is found using the volume formula for a cone $V=\frac{1}{3}\pi r^2h$ .

Substitute h=18 and r = 6.

$V = \frac{1}{3}\pi r^2h\\V = \frac{1}{3}\pi (6^2)(18)\\V=\frac{1}{3}\pi *36*18\\V = \frac{648}{3}\pi \\V= 216\pi = 678.24$

A half sphere is a hemisphere. The volume of a hemisphere is half of $V=\frac{4}{3}\pi r^3$ . Substitute r=6.

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4 years ago