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Blababa [14]
3 years ago
13

How many degrees is one rotation that will put a regular pentagon back on top of itself?

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
8 0
If you rotate about the circumcentre of a regular polygon 72° it will overlap with the original image.
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Gianna is taking a multiple choice test with a total of 100 points available. Each question is worth exactly 5 points. What woul
tatiyna

Answer:

Her test score would be an 85 because 5x3=15 and then you would subtract 15 from 100 which would be 85

equation would be x=100-(5y)

8 0
3 years ago
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PLEASE HELP ME I NEED IT<br> X=<br> Y=
vampirchik [111]
X=33 and Y= 57



Step by step explanation if you see the right angle at 57 degrees it part of x so x plus 57 is 90 and 90 minus 57 is 33 so x is 33 and x and y also form a right angle so x plus y should equal 90 and 90 minus 33 is 7 so that’s Y
7 0
3 years ago
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ASAP—-what is the missing value
olga_2 [115]

Answer:

im sure its 139

Step-by-step explanation:

because you do 128 + 93 which is 221

next, you do 360 (triangle angles) then you do 360-221

which gives you 139!

hope it helped! =)

8 0
3 years ago
5x =2 writing your answer as a fraction in it’s simplest form
suter [353]

Answer:

x = 2/5

Step-by-step explanation:

5x=2

Divide  each side by 5

5x/5 = 2/5

x = 2/5

5 0
3 years ago
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Find the inverse function of <br><br> y=x^5+9
ollegr [7]

Answer:

\sqrt[5]{x - 9}

Step-by-step explanation:

y=x^5+9

To find inverse function make x the subject, first:

y=x^5+9

y - 9 = x^5

x = \sqrt[5]{y - 9}

y^{-1}  = \sqrt[5]{x - 9}

so  inverse function of y=x^5+9 is  \sqrt[5]{x - 9}

3 0
2 years ago
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