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For the function, f(x) = -5x 2, find f(-4).
1 answer:
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Answer:
A= 254.34 m²
Step-by-step explanation:
to find area of a circle use this formula, A=r²
now just plug it in
A= 9²
A=81
A= 254.34 m²
Answer:
Surface area of prism=
Step-by-step explanation:
We are given that surface area of rectangular prism=
We have to write an expression that represents the surface area of prism.
Base of prism is made from length and width
Perimeter of base =2(l+w)
Area of base=lw=Area of top
Surface area of prism=Perimeter of base multiply by height+2 area of base
Because area of base and area of top are equal.
Surface area of prism=Ph+2B=2(l+w)h+2(lw)