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Paul [167]
3 years ago
10

mark spent 135$ on his comic book collection. he just sold it online for 310$. approximately what is the profit as a percent of

his original cost?
Mathematics
1 answer:
Vilka [71]3 years ago
5 0

Answer:

70% is approximately the answer

Step-by-step explanation:

135 x 2 = 270

310 - 270 = 40

35 out of 40 is 7/8.

The answer should be approx 70, I can not make sure.

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Write a definition and give an example of the Commutative Property of Addition using decimal numbers.
konstantin123 [22]
Numbers that can easily be added to each other
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5 0
3 years ago
Make sure it's fully reduced.<br><br> 2 - x = 5/8
postnew [5]

Isolate the x. Note the equal sign. What you do to one side, you do to the other.

First, subtract 2 from both sides

2 (-2) - x = (5/8) - 2

-x = 5/8 - 2

Make sure they have the same denominator. Remember that what you multiply to the denominator, you multiply the numerator:

-x = 5/8 - 16/8

-x  = - 11/8

Isolate the x. Divide -1 from both sides

(-x)/-1 = (-11/8)/-1

x = 11/8

11/8 is your answer for x

<em>~Rise Above the Ordinary</em>

7 0
3 years ago
Convert the 22-foot horizontal length into inches​
Elodia [21]

Answer:

264 inches

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5 0
3 years ago
Read 2 more answers
Would I be right if I said 21pi/10 and -pi/10 are two angles coterminal with pi/10?
Anna71 [15]
Two angles are coterminal if they differentiate in a factor of k*(2pi). This is  a multiple of 360 degrees.

In this case 21 [pi /10] = [pi / 10] + 20 [pi/10] = [pi/10] + 2pi, then 21pi/10 is coterminal with pi/10.

In the case of -pi/10 you cannot get to pi/10 by adding a multiple of 2pi , then they are not coternminals.

Conclusion: you would not be right.
7 0
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3 0
3 years ago
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