Answer:
71/2 inches
Step-by-step explanation:
Answer is 71/2 inches because 40×7 equal 21
First to figure out the length of the side of the square you do the square root of 64 which is 8. now 8 × 4= 32
Answer:
answer 2
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Volume varies directly with the square of the radius, so:
V = k r²
When V = 80, r = 4.
80 = k (4)²
k = 5
V = 5r²
When r = 3:
V = 5 (3)²
V = 45
The flow is 45 L/min.
Answer:
15
Step-by-step explanation:
12/8 =1.5 * 10 =15