A truck travels on the highway at a speed of 72 miles per hour. What is the speed of the truck in feet per second
2 answers:
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<em>C. A sphere with radius 0.6 inches.</em>
<u><em>Here is why:</em></u>
The equation for the volume of a sphere is:
We can plug in and solve.
We will multiply everything but leave the 3 to divide later.
So...
Divide by 3.
0.288π
Take out the highest common factor.
The highest common factor between 6 (which 2*3) and 14 (which 2*7) is 2
The highest common factor between x^2 (which is x * x) and x(which is x) is x.
2x(3x - 7) = 0
Now either 2x = 0 in which case x = 0
or
3x - 7 = 0
3x = 7
x = 7/3
The graph below shows you the answers to where 6x^2 - 14x cuts the x axis is below.
The highest common factor between 6 (which 2*3) and 14 (which 2*7) is 2
The highest common factor between x^2 (which is x * x) and x(which is x) is x.
2x(3x - 7) = 0
Now either 2x = 0 in which case x = 0
or
3x - 7 = 0
3x = 7
x = 7/3
The graph below shows you the answers to where 6x^2 - 14x cuts the x axis is below.