The radius of that circle is 36 miles.
Step-by-step explanation:
A= 4(pi)r^2
A=4(3.14159265359)13^2
A=2123.72
**I dont know if it's right or wrong.**
Answer:
<h3>There are
ways to answer.</h3>
Step-by-step explanation:
We know that the survey has 8 items, that means we can use the factorial number, because it's a simple permutation.
Using a factorial we have
where , which is the total number of items.
Therefore, there are 40,320 ways to answer the survey, or 8! ways.
Answer:
13 units
Step-by-step explanation:
pythagorean theorem: a²+b²=c²
c= 85
b= 84
a²+(84)²=85²
a²+7056=7225
a²=169
square root of a² = square root of 169
a=13
Adding 25% is multiplying by 1.25:
$12 × (1 + 25/100) = 12(1.25) = $15
Answer: $15