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2 years ago

Pleasee helpp answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Savatey [412]2 years ago

6 0

Answer:

m=2

Step-by-step explanation:

(x1,y1)=(−7,−6)

(x2,y2)=(−3,2)

y2−y1 / x2−x1

= 2−−6 / −3−−7

= 8/4

m=2

Can you give me Brianliest please

Snowcat [4.5K]2 years ago

5 0

Step-by-step explanation:

x1=-7

x2= -3

y1=-6

y2=2

solve

y2-y1=2--6=8

x2-x1= -3--7=-3+7=4

therefore distance

4along x axis

8along y axis

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2 years ago

Suppose y varies directly with x. if y=-3 when x=5 find y when x=-1

Scrat [10]

$\bf \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}
\\ \quad \\
\textit{we know that, when}
\begin{cases}
y=-3\\
x=5
\end{cases}\implies y=kx\implies (-3)=k(5)$

solve for "k", to find the "constant of variation",
then plug it back in the y = kx, to get the equation
now
what's is y when x = -1?
well, just plug that in the equation with the found "k" value,
to get "y" :)

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3 years ago

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