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3 years ago

After a sale, the price of a stereo was marked up $35 to a regular price of $310. What was the sale price?

Mathematics

2 answers:

Xelga [282]3 years ago

6 0

345$ add all numbers together

Alecsey [184]3 years ago

3 0

$275 you simply subtract 35 from 310 to find the sale price

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Answer:

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$Q(x_1,y_1) = (-2,-6)$

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The ratio is represented as:

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Required

Find the coordinates of R

The coordinates of R is calculated by:

$R(x,y) = (\frac{mx_2 + nx_1}{m+n},\frac{my_2 + ny_1}{m+n})$

Substitute values for m, n, x's and y's

$R(x,y) = (\frac{2 * 5 + 3 * -2}{2+3},\frac{2*6 + 3*-6}{2+3})$

$R(x,y) = (\frac{4}{5},\frac{-6}{5})$

$R(x,y) = (0.8,-1.2)$

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