Answer:
3769.92 ft
Step-by-step explanation:
The diameter of the wheel, d= 60 ft
We know the perimeter of the wheel is,
= πd
= 3.1416*60
= 188.496 ft
Wheel travel for 5 minutes. So the wheel travel,
= 5*60
= 300 sec
The wheel rotates in every 15 seconds. So the wheel rotates,
= 300/15
= 20 times
In one rotation, the wheel travels its perimeter. so is 5 minutes it travels,
= 188.496*20
= 3769.92 ft
Ab/ac = ae/ad = be/cd
4/ac = 6/15
6 ac = 60
ac = 60/6 = 10
ac = 10
Answer:
B
Step-by-step explanation:
f(x)=x^2+3x+1
f(x+2)=(x+2)^2+3(x+2)+1
f(x+2)=(x+2)(x+2)+3x+6+1
x^2+2x+2x+4+3x+7
x^2+4x+3x+11
x^2+7x+11
Answer:
Raise 9 to the power of 11.
= 31381059609
Step-by-step explanation:
There is a formula for adding consecutive integers.
sum = (n * (n+1)) / 2
for summing 1 through 12 it is
sum = (12 * 13) / 2 = 156/2 = 78
The clock goes through two "12-hour cycles" in a day, so the answer is 2 * 78 or 156 times.
