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3 years ago

13

18.2 is 14.5 of what number?

1 answer:

IgorLugansk [536]3 years ago

3 0

18.2 is 14.5% of what number....
" is " means equals "
turn percent to a decimal = 0.145
" of " means multiply
x = what number

18.2 = 0.145x
18.2 / 0.145 = x
125.52 = x (that is a rounded answer) <===

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uysha [10]

Answer Step-by-step explanation:

$\huge\boxed{A)-1}$

$The~average~rate~of~change~of~the~given~quadratic~function~on~the$ $interval~0$ ≤ x ≤ $4$ $is~the~slope~of~the~secant~line~connecting~the~points~(0,f(0))~and~(4,f(4)).$

$The~average~rate~of~change~is:$

$=\frac{f(4)-f(0)}{4-0}$

$Now,from~the~graph,f(0)~is~0~and~f(4)~is~-4.$

$We~plug~in~these~values~to~obtain;$

$=\frac{-4-0}{4-0}$

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