GEOMETRY HELP ASAP PLEASE

Mathematics

1 answer:

Elden [556K]3 years ago

8 0

(.Y.)

grd

sth

shs

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A line passes through the point (4,-6) and has a slope of 5/4. Write an equation in slope intercept form for this line.

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3 years ago

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3 years ago

Determine the equation of the joint value

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$\bf \qquad \textit{direct proportional variation}\\\\
\begin{array}{cccccclllll}
\textit{something}&&\textit{varies directly to}&&\textit{something else}\\ \quad \\
\textit{something}&=&{{ \textit{some value}}}&\cdot &\textit{something else}\\ \quad \\
y&=&{{ k}}&\cdot&x
\\
&& y={{ k }}x
\end{array}\\\\
-----------------------------\\\\$

$\bf \textit{x varies directly with y and z}\implies x=\underline{k}yz\qquad \underline{k}=
\begin{array}{llll}
constant\ of\\
variation
\end{array}
\\\\\\
\textit{we also know that }
\begin{cases}
x=120\\
y=5\\
z=8
\end{cases}\implies 120=k(5)(8)\implies \cfrac{120}{5\cdot 8}=k
\\\\\\
\boxed{3=k}\qquad thus\implies x=\underline{3}yz
\\\\\\
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\begin{cases}
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4 years ago