Answer:
x+3
Step-by-step explanation:
21=7x3. Hence answer is 3
1/6 ma^2
You can solve this by considering moment of inertia of a square plate along the central axis and using the perpendicular axis theorem.
Answer:
168.3 cm
Step-by-step explanation:
It was 2.3 cm less than 170.6 cm, so we use subtraction.
170.6 cm - 2.3 cm = 168.3 cm
65.4ft
Step-by-step explanation:
Use the volume for a sphere
v=radius3•pi4/3
