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Daniel [21]
3 years ago
8

Can you explain how to do this?

Mathematics
1 answer:
Anika [276]3 years ago
5 0
Answer C
Circle area = pi * r^2
If the area is 36*pi, then r^2 is 36 and r (the radius) is 6.
The perimeter of one of the regions consists of two radiuses and an eighth of the circle's circumference.
Two radiuses=6*2=12
An eighth of the circumference: (2*pi*r)/8 = 2*pi*6/8 = 2*6/8*pi = 1.5*pi
So, the perimeter of a section is 12 + 1.5pi
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How do you turn 9 and 3 5s as a decimal???
Zarrin [17]

Answer:

9.6

Step-by-step explanation:

As 9 and 3/5s, the 9 is whole so you do not change it. To make 3/5th into a decimal you increase the denominator into x/10. To make 5 into 10 you multiply 5x2=10. And since you changed the bottom you have to change the top and multiply it by 2. 3x2=6. So the 9 stays the same and since the first place beind the decimal is tenths, and youre fraction is now 6/10 you put it as 9.6.

Hope it helps!

8 0
3 years ago
If area of a circle is 49/64 pie cm square,then find the circumference of the circle?​
tresset_1 [31]

Answer:

7/4 * pi

Step-by-step explanation:

Area of circle = pi * r^2

Find radius:

pi * 49/64 = pi * r^2

49/64 = r^2

7/8= r

Circumference of circle = 2pi * r

2 * pi * (7/8) = 7/4 * pi

Assuming that the answer is in terms of pi as the question is in terms of pi

8 0
2 years ago
Read 2 more answers
Solve the system of linear equations below.
alexdok [17]

Answer:

The answer is X=3, Y=2

hope this helps :)

3 0
3 years ago
A company reimburses employees for a por
mojhsa [17]
The answer is c I think
4 0
3 years ago
Which phrase represents the algebraic expression 3p+6/7p-9
omeli [17]

Answer:

The answer is the sum of three times a number and six, divided by the difference of seven times the number and nine

Step-by-step explanation:

3p = three x a number

7p = seven x a number

3p+6 = sum of three x a number plus six

7p-9 = difference of seven x the number minus nine

(3p+6)/(7p-9) = sum of three times x number plus six, divided by the difference of seven x the number - nine

7 0
4 years ago
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