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3 years ago

Find the perimeter of the figure to the nearest hundredth. PLZ HELP PLZ DUE TODAY

Mathematics

1 answer:

kkurt [141]3 years ago

3 0

Answer:

perimeter of the figure = 37 ft

Step-by-step explanation:

r = 1/2 × (12 - 3 - 3)

r = 1/2 × 6

r = 3 ft

circumference = 2 π r

circumference = 2 × 3.14 × 3

circumference = 18.84

perimeter of the figure = 3 + 3 + 3 + 3 + 3 + 3 + 18.84

perimeter of the figure = 36.84

perimeter of the figure = 37 ft

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$\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\$

$\bf \textit{z varies jointly with y and the square of x}\qquad z=kyx^2
\\\\\\
\textit{we also know that }
\begin{cases}
x=4\\
y=-7\\
z=-336
\end{cases}\implies -336=k(-7)(4)
\\\\\\
\cfrac{-336}{-28}=k\implies 12=k\qquad \qquad \boxed{z=12yx^2}
\\\\\\
\textit{when z=36 and y=3, what is \underline{x}?}\qquad 36=12(3)x^2
\\\\\\
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3 years ago

Read 2 more answers