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creativ13 [48]
3 years ago
5

The sum of the angle measures in a 21-gon is

Mathematics
1 answer:
Dominik [7]3 years ago
6 0

Answer:

180

Step-by-step explanation: The exterior angles sum to 360 and there are 21

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The equation of the linear regression line represents the relationship between the number of cars washed for charity, x, and the
Ahat [919]
<span>For every car washed for charity, the amount earned for the charity increases by $10.
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7 0
3 years ago
a soccar team spent $55 dollars on supplies for a car wash then earned $275 whats their total after paying for supplies
IrinaK [193]
To find what profit they made, subtract what they earned from what they spent money on. 275-55=220. They made a total of $220 after paying for supplies. I hope this helps! :)
8 0
3 years ago
-8 ( y + 4 ) = 10y + 4
maks197457 [2]
Let's solve your equation step-by-step.<span><span>−<span>8<span>(<span>y+4</span>)</span></span></span>=<span><span>10y</span>+4

</span></span>Step 1: Simplify both sides of the equation.<span><span>−<span>8<span>(<span>y+4</span>)</span></span></span>=<span><span>10y</span>+4

</span></span><span>Simplify: </span><span><span><span><span>(<span>−8</span>)</span><span>(y)</span></span>+<span><span>(<span>−8</span>)</span><span>(4)</span></span></span>=<span><span>10y</span>+4</span></span>(Distribute)<span><span><span><span>−<span>8y</span></span>+</span>−32</span>=<span><span>10y</span>+4</span></span><span><span><span>−<span>8y</span></span>−32</span>=<span><span>10y</span>+4

</span></span>Step 2: Subtract 10y from both sides.<span><span><span><span>−<span>8y</span></span>−32</span>−<span>10y</span></span>=<span><span><span>10y</span>+4</span>−<span>10y</span></span></span><span><span><span>−<span>18y</span></span>−32</span>=4

</span>Step 3: Add 32 to both sides.<span><span><span><span>−<span>18y</span></span>−32</span>+32</span>=<span>4+32</span></span><span><span>−<span>18y</span></span>=36

</span>Step 4: Divide both sides by -18.<span><span><span>−<span>18y</span></span><span>−18</span></span>=<span>36<span>−18</span></span></span><span>y=<span>−2

</span></span>Answer:<span>y=<span>−<span>2

Good luck mate :P
</span></span></span>
7 0
3 years ago
Read 2 more answers
Ordering the Angle Measures of a Triangle
mel-nik [20]

Answer:

  C, B, A

Step-by-step explanation:

The sides in order from shortest to longest are ...

  AB = m-2

  AC = m

  BC = m+4

The angles opposite these sides will be in order, smallest to largest. The angle opposite is the one whose letter is <em>not</em> in the line segment name.

  C, B, A

7 0
3 years ago
Maya has 6 feet 6 inches of ribbon with stripes and 8 feet of ribbon with polka dots. What is the total length of ribbon that Ma
maks197457 [2]

Answer: 174in

Step-by-step explanation:

Multiply the feet # by 12 so you get the amount of feet because there are 12 inches in 1 foot.

Finally, add total amount of ribbon and 174inches will be your answer.

6 0
2 years ago
Read 2 more answers
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