I have a questions does any take the 3 chapter test about math if any one please say yes in the comments below

Mathematics

1 answer:

Anastaziya [24]3 years ago

3 0

What? Not everybody has the same math book, try asking someone in your school

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(8,1) and (x,3) The pair of points is on the graph of an inverse variation. Find the missing value.

Gelneren [198K]

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

$\bf (\stackrel{x}{8},\stackrel{y}{1})\textit{ we know that }
\begin{cases}
x=8\\
y=1
\end{cases}\implies 1=\cfrac{k}{8}\implies 8=k
\\\\\\
therefore\qquad \boxed{y=\cfrac{8}{x}}
\\\\\\
(x,\stackrel{y}{3})\textit{ when y = 3, what is \underline{x}?}\qquad 3=\cfrac{8}{x}\implies x=\cfrac{8}{3}$

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ludmilkaskok [199]

Answer:

Step-by-step explanation:

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18+ 19+ 19+ 4+14+ 8+ 22+ 3+ 1

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Then divide by the number of terms

108/9 =

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2 years ago

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How do you solve -3x+d=-9

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Can you possibly help me on my recent question?

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lynn is selling tickets to the play. On the first day of ticket sales she sold 5 adult tickets and 9 children tickets for a tota

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Step-by-step explanation: Devide and do it yourself.....

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