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Mashcka [7]
3 years ago
6

Find the measure of one interior angle in each regular polygon. Round to the nearest tenth if necessary

Mathematics
1 answer:
maria [59]3 years ago
5 0

Answer:

154.3

Step-by-step explanation:

Use the formula 180(x-2)

Then divide your answer by x

X is the number of sides

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Find the area of the regular decagon if the apothem is 2.8ft and a side is 1.8ft
geniusboy [140]
DECA=10, decagon = 10 sides.

since each side is 1.8 long, all 10 sides will be 10*1.8 or 18 units long, so that'd be the perimeter then,

\bf \textit{area of a regular polygon}\\\\
A=\cfrac{1}{2}ap~~
\begin{cases}
a=apothem\\
p=perimeter\\
------\\
a=2.8\\
p=18
\end{cases}\implies A=\cfrac{1}{2}(2.8)(18)
6 0
3 years ago
What is half of 26? Im to lazy to write it down._.
ohaa [14]
13

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3 years ago
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Henry ran five races, each of which was a different positive integer number of
dolphi86 [110]

Answer:

10 miles.

Step-by-step explanation:

Let x be the number of miles on Henry's longest race.

We have been given that Henry ran five races, each of which was a different positive integer number of  miles.

We can set an equation for the average of races as:

\frac{\text{The sum distances of 5 races}}{5}=4

As distance covered in each race is a different positive integer, so let his first four races be 1, 2, 3, 4.

Now let us substitute the distances of 5 races as:

\frac{1+2+3+4+x}{5}=4

\frac{10+x}{5}=4

Let us multiply both sides of our equation by 5.

\frac{10+x}{5}*5=4*5

10+x=20

Let us subtract 10 from both sides of our equation.

10-10+x=20-10

x=10

Therefore, the maximum possible distance of Henry's longest race is 10 miles.

7 0
2 years ago
Sheldon needs to buy 8 gallons of ice cream,
kolbaska11 [484]

Answer:

The <u>larger </u>size container and the Cold farms is the better deal for Sheldon.

Step-by-step explanation:

Given:

1 gallon = 8 pints

2.50 \times 8 =20

Multiply  the gallons to 20

8 × 20 = 160

Then, the large size is 18.

4.50 ×4 =18 (1 Gallon= 4 quartz)

Therefore, the <u>larger </u>size container and the Cold farms is the better deal for Sheldon.

4 0
2 years ago
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How do I solve %15 of 240
Black_prince [1.1K]

Answer:

36

Step-by-step explanation:

Turn %15 into a decimal, which is .15, and then 240 x .15

3 0
3 years ago
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