Answer:Explanation: The area of a circle is πr2 where r is the radius. Dividing both sides by π we find r2=16=42 and hence r=4
Step-by-step explanation:
Answer:
x = 19.42
Step-by-step explanation:
8²+x²=21²
64+x²=441
-64 -64
x²=377
x=19.41648784
rounded is 19.42
Answer: -7
Step-by-step explanation: .........................
15ft because 12x.25=3 so 3ft is 25% of the 12ft, add the 3+12=15
Answer:
1/12
Step-by-step explanation:
Probability of an even number
3/6 = 1/2
Probability of one showing up
1/6
Probably of even number on first try and 1 on second try
1/2 * 1/6 = 1/12