ortizprecious5183
20.11.2020 •
Mathematics
PLEASE HELP
this is a formula for a sequence, f(x) = 8 - 11x, what is f(8)?
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Ответ:
-80
Step-by-step explanation:
plug in 8 to the equation
8 - 11 (8)
multiply 8 and 11 first: 8 - 88
add 8 to -88: -80
Ответ:
Ellis will need 244.92 ft2 of paint.
Step-by-step explanation:
First we need to find the surface area of one fencepost.
The fencepost is cylindrical, so the surface area is given by the equation:
If the height of the fencepost is 6 feet and the radius is 0.5 feet, we have:
The surface area of the 12 fenceposts is:
Ellis will need 244.92 ft2 of paint.