3 years ago

If you can please help!

Mathematics

1 answer:

vladimir1956 [14]3 years ago

7 0

Answer:

y=(2/3)x

using m=(Y2-Y1)/(X2 -X1)

where the coordinates used are ( -3,-2) and (3,2).

The equation of the line is give by the formula, Y - Y1=m(X -X1)

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Carmen is an engineer making plans to run a rail line, represented by the transversal t, through a city. Parallel lines v and w

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3 years ago

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take 25% off the original. now take off an additional 10% and calculate the new sales cost of this item. what is your total perc

Aneli [31]

x = original price, or 100%

if we take off 25% from 100% what's left is 75%, that's the discounted price.

let's then take 10% of that.

$\bf \begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{75\% of "x"}}{\left( \cfrac{75}{100} \right)x\implies 0.75x} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{10\% of 0.75x}}{\left( \cfrac{10}{100} \right)0.75x\implies 0.075x}~\hfill \stackrel{\textit{total percent savings}}{0.75x-0.075x\implies 0.675x} \\\\[-0.35em] ~\dotfill$