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natita [175]
3 years ago
5

Kat sold cell phones for $60. She increased the price by 100%. What is the new price of the cell phones?

Mathematics
2 answers:
Rama09 [41]3 years ago
7 0
The new price is $120. 100% of $60 is $60, and because she increased by 100%, the answer is 60 (original price) +60 (price increase)
ki77a [65]3 years ago
5 0
The new price would be $120
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Find the slope of the line 3,0 and 0,-3
liubo4ka [24]

Answer:

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Step-by-step explanation:

The slope of the line is 1. To find slope use the formula \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }, this calculates the change in y over the change in x. So plug in the known values \frac{0+3}{3-0}, this equals 3/3 or 1. This means every time y increases by 1, x will also increase by 1.

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I need some help with this
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Step-by-step explanation:

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The lines shown below are perpendicular. If the green line has a slop of 2/5, what is the slope of the red line?
aivan3 [116]

The slope of the red line that is perpendicular to the green line is: -5/2.

<h3>What are the Slope Values of Perpendicular Lines?</h3>

When one line lies perpendicular to another line, the slope of one must be the negative reciprocal of the other line.

<h3>What is the Negative Reciprocal of a Number?</h3>

If given a number, i.e. a/b, the negative reciprocal of a/b would the opposite value of the reciprocal of a/b.

Reciprocal of a/b is b/a. Negative reciprocal of a/b would therefore be: -b/a.

Given that the slope of the green line is: 2/5. And it is perpendicular to the red line. The slope of the red line would be the negative reciprocal of 2/5.

Negative reciprocal of 2/5 is -5/2.

Therefore, the slope of the red line is: -5/2.

Learn more about slope of perpendicular lines on:

brainly.com/question/1362601

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5 0
1 year ago
At the store, you buy a backpack for $30.42, a binder for $9.89 and a combination lock for $5.75. If you give the cashier $50.00
Shkiper50 [21]

Answer:

$3.94

Step-by-step explanation:

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7 0
3 years ago
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Alex Ar [27]

Answer:

-45n-2

Step-by-step explanation:

Let's get rid of parenthesis first using distributive property!

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Combine like terms!

-10n-35n--12+10

-45n-2 would be the final expression

5 0
3 years ago
Read 2 more answers
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