Answer:
C. y = x^2 + 4x.
Step-by-step explanation:
Area of a trapezoid = (h/2)(a + b) where h is the altitude and a and b are the lengths of the parallel sides.
So here
Area y = (x/2)(8 + 2x)
= 8x/2 + 2x^2/2
= 4x + x^2.
Answer:
The new extra processor would take 20 hours to download the movie.
Step-by-step explanation:
This word problem presents two variables: 
- Processing capacity, dimensionless; 
- Download time, measured in hours. Both variables exhibit a relationship of inverse proportionality, that is:
Where 
is the proportionality constant.
Now, let suppose that original processor has a capacity of 1 (
), the proportionality constant is: (
)
The equation is 
and if time is reduced to 4 hours by adding an extra processor, the processing capacity associated with this operation is: (
)
Then, the extra processor has a capacity of 0.25. The time required for the new extra processor to download the movie is: (
)
The new extra processor would take 20 hours to download the movie.
The answer would be 6/10 12/20 24/40 48/80
How to find the surface area of Rectangular Prisms:
<span>Find the area of two sides (Length*Height)*2 sidesFind the area of adjacent sides (Width*Height)*2 sidesFind the area of ends (Length*Width)*2 ends<span>Add the three areas together to find the surface area.
I hope this helps :)</span></span>
