Answer:
r=28.27 cm aprox
Step-by-step explanation:
Well you know that the area of a circle is A= 
so
2511=
so
=2511/
r=28.27 cm aprox
Answer:
The number being multiplied by
x
is the slope of the line. So, the slope of the line is calculated by rise/run. The rise is how up or down it goes from a certain point to another, and the run is how right or left it goes from a certain point to the other.
Use sine inverse since you have the lengths of both the hypothenuse and opposite of the triangle formed:)
4 + 3 * (7 - 2)
4 + 3 * 5
4 + 15
19 <==
The answer is the last option.
All you have to do is subtract the 1 on both side of the equation to set it to 0 to get it into the general form.