(X+7)-11 aka Eddie was x-4 years old 11 years ago
Answer:
Step-by-step explanation:
LA = pi*r*l = 3.14*8.5*12.4 = 331
SA = LA + pi*r^2 = 331 + 3.14*8.5^2 = 558
V = 1/3*pi*r^2*h = 1/3*3.14*(8.5^2)*sqrt(12.4^2-8.5^2) = 683
Answer:
The perimeter of both figures is equal to 
Step-by-step explanation:
step 1
we know that
The perimeter of a square is equal to

where
b is the side length of the square
we have

substitute

step 2
we know that
The perimeter of a rectangle is equal to

we have


substitute

step 3
Equate both perimeters and solve for x




step 4
Find the perimeter of both
<em>square</em>

<em>rectangle</em>

Answer:
828 in^3
Step-by-step explanation:
10*12*6.9 = 69*12 = 828 in^3
so what is a sign of a physical change is occuring