2 years ago

1. A right triangle is shown.

Mathematics

1 answer:

Free_Kalibri [48]2 years ago

7 0

Answer:

24 is the answer

Step-by-step explanation:

answer is 24 for base

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3 years ago

Y is directly proportional to x,and y=216 when x=2. Find y when x=7.

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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}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=216\\
x=2
\end{cases}\implies 216=k2\implies \cfrac{216}{2}=k
\\\\\\
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\\\\\\
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3 years ago

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mafiozo [28]

Answer:

X= 43

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2 years ago

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A boat is 400 feet away from one dock and 500 feet away from the another dock. the angle between the paths is 45°. what is the a

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Answer:

The approximate distance between the docks is 357 feet

Step-by-step explanation:

Let the distance between docks be d.

This is the opposite side to 45° angle of triangle with other sides 400 ft and 500 ft.

Use the law of cosines to find the value of d:

$d = \sqrt{400^2+500^2-2*400*500*cos45} =357$ (rounded)

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1 year ago