B because it’s the only one that doesn’t double in value
9.00/315 is a way to solve this.
Distance = rate x time
D = 450 mph x 2.5 h
D = 1,125 miles
Answer:
The radius 10 cm
Step-by-step explanation:
∵ The volume of the cone = 1/3 πr²h
∵ v = 1256 cm³
∵ h = 12 cm
∴ 1256 = 1/3 π (12) r²
∴ r² = 1256 × 3/12π = 100 cm
∴ r = √100 = 10 cm