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vivado [14]
3 years ago
7

Michael paid $10.11 for a pair of jeans. This amount included a tax of 2%. What was the cost before tax?

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer: $9.91

Step-by-step explanation: The correct answer is $9.91 for the jeans. This is calculated by divided the total paid ($10.11) by 1.02, which represents the cost of the jeans + the 2% interest. 10.11 / 1.02 = $9.91.

You can then double check you work by calculating the 2% interest rate of the jeans. $9.91 x 2% = $ .20. The total is $9.91 for the jeans plus $ .20 for the tax, for a total of $10.11, which is the amount in the original problem.

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What is the percent decrease if the original price is $582 and it went down 30%
Semenov [28]

Answer:

30%

Step-by-step explanation:

What is the percent decrease if the original price is $582 and it went down 30%

or decreased 30%

Check:

582 x 0.70 = 407.4

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174.6/582= 0.3

5 0
3 years ago
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Answer:

Step-by-step explanation:

We can do this  a couple of ways. We can graph it -- see below. Or we can do the math.

Math

y = x^2 - 2x - 15

This trinomial factors into

y = (x - 5)(x + 3)

from which

x - 5= 0

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and

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The y intercept is the value obtained when all the xs on the right = 0

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y = - 15

<em>Answer</em>

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The graph is below.

4 0
2 years ago
Find the length of the missing side.<br> 50 m<br> 30 m<br> The length of the missing side is<br> m.
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Step-by-step explanation:

30^2 + b^2 = 50^2

900 + b^2 = 2500

-900              -900

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3 0
2 years ago
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asambeis [7]

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Step-by-step explanation:

-6=b/18

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-18(6)=b

-108=b

b= -108

*<u><em>I hope that this makes sense :)</em></u>

3 0
2 years ago
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