I think that the answer is a because you only have to terms after you distribute hope this helps you
Answer:
0.7026
Step-by-step explanation:
Let X denote the lifetime of light bulb. Given
where the mean is
.
Recall that,


Known facts:
A line shaft rotating at 250 rpm, a grinder shaft that turns at 1200 rpm diameter of grinder pulley is 5 inches.
1. Proportion equation
350/1200 = 5/x
2. Cross multiply
1200*5=250*x
x=(1200*5)/250 = (24*50*5)/(5*50) = 24
The big wheel diameter is 24 inches
Answer:
P = 18
Step-by-step explanation:
:) that the answer.
Answer:
Approx. 6 b/m
Step-by-step explanation:
Find out How many minutes in a year which is 525600 then divide that by 3,000,000 which makes 5.7077 so rounded is 6.