Answer:
A
Step-by-step explanation:
I’m tell u that’s not the answer
The area of a circle A equals either:
πr² or πd²/4
96 = πd²/4 => d = 11 inches
The diameter of the second circle equals :
11*1.5 = 16.5 inches
The area equals: π(16.5)²/4 = 214 square inches
Good luck
Answer:
Step-by-step explanation:
Set up a proportion
693 miles / 11 hours = 315 miles / x hours
Notice that the numerators both have the same units (miles).
Cross multiply
693x = 11 * 315 Combine
693x = 3465 Divide by 693
x = 5
It will take him 5 hours to go 315 miles
Answer:
14.7
Step-by-step explanation:
a^2+b^2=c^2
15^2+b^2=21^2
225+b^2=441
subtract 441-225=216
square root of 216 = 14.6969384567
= 14.7
