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Alexxandr [17]
3 years ago
9

What two numbers have the sum of 12 and the difference of 4

Mathematics
2 answers:
Veronika [31]3 years ago
5 0

Answer:

8 and 4

Step-by-step explanation:

8+4= 12

8-4= 4

hope this helped♥

lbvjy [14]3 years ago
4 0

Answer:

8 and 4

8+4=12

8-4=4

Step-by-step explanation:

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Helppppo please due tomorrow
otez555 [7]

Answer:

Answer B:  10.12

Step-by-step explanation:

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3 years ago
Which equation is the direct variation equation if f(x) varies directly with x and f(x)=-18 when x=3
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\bf \qquad \qquad \textit{direct proportional variation}\\\\
\textit{\underline{y} varies directly with \underline{x}}\qquad \qquad  \stackrel{f(x)}{y}=kx\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad  variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=-18\\
x=3
\end{cases}\implies -18=k3
\\\\\\
\cfrac{-18}{3}=k\implies -6=k\qquad therefore\qquad \boxed{\stackrel{f(x)}{y}=-6x}
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