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Step2247 [10]
3 years ago
8

How many lines of symmetry does a 15 sided polygon have?

Mathematics
1 answer:
DedPeter [7]3 years ago
4 0

Answer: 15 lines of symmetry.

Step-by-step explanation:

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PLEASE HELP MEH!
goblinko [34]

Answer: x=72, y=26


Step-by-step explanation:

Since a line is 180°, we can do:

2x+10+y=180

2x+y=170

Since a triangle is 180° also, we can do:

x+y+82=180

x+y=98

If we subtract x+y=98 from 2x+y=170, we get:

2x+y=170

x+y=98

x=72

If we insert x=72 into x+y=98, we get:

72+y=98

y=26

We can check our answer by inserting x=72 and y=26 into x+y+82=180

72+26+82=180

98+82=180

180=180

7 0
3 years ago
Please help me with this
GenaCL600 [577]

Answer: slope = 4

Step-by-step explanation:

slope = m = rise/run = y1-y2/x1-x2

9-1/5-3 = 8/2 = 4

4 0
2 years ago
Rodney has a board 5/6 yd long. He used 1/5 of the board to make a frame. How long is the board used to make the frame.
Katarina [22]
He uses 1/5 OF 5/6 of a yard. That "of" is very important, because it indicates that, to find the answer, you multiply the two together. 

That being said (1/5) times (5/6) =5/30, which can be reduced to 1/6 yds to make the frame
3 0
3 years ago
Please help A.S.A.P it's due tomorrow morning?<br><br> what is y = 2x + 5 and f(x) = 2x + 5
amid [387]

Answer:

they are equal

Step-by-step explanation:

f(x) means the same thing as y.

3 0
3 years ago
Read 2 more answers
The temperature was 68 F .Later that day the temperature was 82 F .How much does the temperature need to rise or fall to return
ruslelena [56]
The answer is A because 82-14=68.
4 0
2 years ago
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