Answer:
-3
Step-by-step explanation:
yw
1/7 of 42 is smaller. 47/7= 6 < 18 = 36/2
Step-by-step explanation:
DA=13.................
Answer:
R = 4cm
Step-by-step explanation:
V = π(R)²h = 480π
Divide by π
(R)²h = 480
Substitute h with 30
30*(R)² = 480
Divide by 30
(R)² = 16
Square root
R = 4cm
We do not accept R= -4 because it's a length, so it must be positive.
