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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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3 years ago
Read 2 more answers
What is the remainder when 3x2−7x+5 is divided by x+5?
blagie [28]

Answer: 2

Step-by-step explanation:

7 0
3 years ago
19
Nikolay [14]

Answer: 1 year

Step-by-step explanation:

510,000 × .08 = 40,800

40,800 is way more then 5k so yeah 1 year

But realistically less than that.

7 0
3 years ago
7. Which of the following can be determined from the graph below?
tatyana61 [14]

Answer:

The ordered pair (6,25) is a solution to both

y=-\frac{5}{2}x+40  and  y=\frac{5}{3}x+15

Step-by-step explanation:

Part 7)

<em>step 1</em>

Find the equation of the line with positive slope

take the points (0,15) and (9,30)

<em>Find the slope</em>

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the given values

m=\frac{30-15}{9-0}

m=\frac{15}{9}

simplify

m=\frac{5}{3}

Find the equation of the line in slope intercept form

y=mx+b

we have

m=\frac{5}{3}

b=15

substitute

y=\frac{5}{3}x+15

<em>step 2</em>

Find the equation of the line with negative slope

take the points (0,40) and (8,20)

<em>Find the slope</em>

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the given values

m=\frac{20-40}{8-0}

m=-\frac{20}{8}

simplify

m=-\frac{5}{2}

Find the equation of the line in slope intercept form

y=mx+b

we have

m=-\frac{5}{2}

b=40

substitute

y=-\frac{5}{2}x+40

step 3

Find the solution of the system

we know that

The solution of the system of equations is the intersection point both graphs

The intersection point is (6,25) ----> see the graph

therefore

The ordered pair (6,25) is a solution to both y=-\frac{5}{2}x+40  and  

y=\frac{5}{3}x+15

7 0
3 years ago
Write a power represented with a positive base and a positive exponent whose value is less than the base
Murrr4er [49]
That's <u>always</u> true if <em>either</em> the exponent <em>or </em>the base is less than ' 1 '.

(But not always of they both are.)
7 0
3 years ago
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