The answer for your problem would be -2
The maximum number of mosquitoes would exist if 7.5 inches of rain fell.
We can find that by looking for the maximum value in the equation. This value always falls at the vertex. The x-value of the vertex (which is what we are looking for) can always be found through the equation -b/2a, in which a is equal to the coefficient of x^2 (-1) and b is equal to the coefficient of x (15).
-b/2a
-(15)/2(-1)
-15/-2
7.5
Step-by-step explanation:
perimeter of a semi- circle with a radius of 6cm
=2πr=2×π×6=12π cm
Answer:
It will always be true
Step-by-step explanation:
Answer:
vol of cylinder = per. of base x height + 2 (area of base)
area of base = pi x r^2
4pi = pi r^2
4=r^2
r=2
per of base = 2 x pi x r
2xpix2=4pi (same as area cause 2x2 and 2^2 is the same thing)
4pi + 2(4pi)
4pi + 8pi
<u>12pi = volume</u>
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<u>hope that answers your question</u>
<u>Don't hesitate to comment if you are confused about something</u>
Step-by-step explanation:
