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vekshin1
2 years ago
8

A department store buys 300 shirts for a total cost of $7200 and sells them for $30 each. Find a percent mark up.

Mathematics
1 answer:
zaharov [31]2 years ago
4 0

Answer:

25%

Step-by-step explanation:

7200 ÷ 300 = 24

30 - 24 = 6

6/24 × 100/1 = 25%

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What is the solution set for |x/2|=8
Ksenya-84 [330]

<u>Answer:</u>

The correct answer option is x = -16 and x = 16.

<u>Step-by-step explanation:</u>

We are given the following equation and we are to find the solution for this equation:

| \frac { x } { 2 } | = 8

For the given equation, involving the modulus, we will have a positive as well as a negative value for it in order to find its solution set.

\frac { x } { 2 } = - 8 and \frac { x } { 2 } = 8

x = 8 \times 2 and x = - 8 \times 2

x = -16 and x = 16

5 0
3 years ago
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Simplify. 5i−√54 Enter your answer, in simplest radical form, in the box.
Sliva [168]

Answer:

5i - 3 \sqrt{6}

Step-by-step explanation:

The given expresion is

5i -  \sqrt{54}

We need to remove the highest perfect square from the radicand.

We rewrite 54 as 6*9

This gives us:

5i -  \sqrt{9 \times 6}

This is the same as

5i -  \sqrt{9}  \times  \sqrt{6}

We now simplify to get:

5i - 3 \sqrt{6}

8 0
3 years ago
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May someone help me please
fredd [130]
8 + 5 (x - 3)^3...when x = 9
8 + 5 (9 - 3)^3 =
8 + 5 (6^3) = 
8 + 5(216) =
8 + 1080 =
1088
4 0
3 years ago
Graph: y = 3 sin (1/3 * x) - 2
Nimfa-mama [501]

Please the explanation of this question on how to graph a <em>sinusoidal</em> function for further information about the graph of the <em>resulting</em> expression.

<h3>How to graph a sinusoidal function </h3>

<em>Sinusoidal</em> functions have a period of 2π and represent a kind of <em>symmetical bounded</em> functions. In this case, the given expression have a period of 6π and is <em>bounded</em> between -5 and 1.

The procedure to graph the given expression is summarized below:

  1. Construct an <em>horizontal</em> axis from 0 to 6π.
  2. Construct a <em>vertical</em> axis that goes through the <em>horizontal</em> axis and is <em>bounded</em> between -5 and 1.
  3. Evaluate the function for x-values with equal intervals.
  4. Add the resulting points to the graph and match all the points in-between by following the +x semiaxis.

Lastly, we present the outcome derived from the given procedure in the image attached below.

To learn more on sinusoidal function, we kindly invite to check this verified question: brainly.com/question/12060967

4 0
2 years ago
A triangle has two sides of lengths 6 and 9. What value coul the length of the third side be?
topjm [15]

Answer:

(a) -2,0 and 2,5 and (b) 2,-1 and 10,9

The question is incomplete without the answer choice. Let's consider the following:

A line has a slope of -4/5. Which ordered pairs could be points on a line that is perpendicular to this line? select two options

a) -2,0 and 2,5

b) -4,5 and 4,-5

c) -3,4 and 2,0

d) 1,-1 and 6,-5

e) 2,-1 and 10,9

8 0
3 years ago
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