75 degrees because 42+63=105
180-105=x
Answer:
an expression is the one with out the equal sign.
Step-by-step explanation:
Answer:
<h2>22 meters.</h2>
Step-by-step explanation:
It's important to notice that the area is circular, which is defined by

Replacing given values and solving for r, we have

But, the diameter is twice the radius, so

Therefore, the diameter is 22 meters.
Answer:
-6, 9, and 81
Step-by-step explanation:
Answer:
x=11
Step-by-step explanation:
(x-3)/2=(x+1)/3
multiply (x-3)(3) and 2(x+1)
3(x-3)=2(x+1)
3x-9=2x+2
Get the variables on one side and numbers on another
3x-2x=3+9
x=11