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Delvig [45]
3 years ago
10

A music store bought a CD set at a cost of ​$10. When the store sold the CD​ set, the percent markup was 30​%. Find the selling

price.
PLEASE EXPLAIN THXS HOOMAN
Mathematics
1 answer:
maria [59]3 years ago
3 0
The selling price is $13.

First, you multiply the percent by the original price. 
$10 *.30 = $3

Then, add the above answer to the original price to get the new selling price. 
$10 + $3 = $13


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If x2 + y2 = 14 and xy = 5, find the value of (1/2 x + 1/2 y)2.
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5 0
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natka813 [3]

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8 0
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Match the equation with the step needed to solve it.
ziro4ka [17]

To solve this, you need to isolate/get the variable "m" by itself in the equation:

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3. m - 1 = 2       Add 1 on both sides to get "m" by itself

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5. -2 + m = 1      Add 2 on both sides to get "m" by itself

m = 3

6. 3 = 1 + m     Subtract 1 on both sides to get "m" by itself

2 = m

8 0
3 years ago
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