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horrorfan [7]
3 years ago
7

Two mechanics worked on a car. The first mechanic charged 105

Mathematics
2 answers:
den301095 [7]3 years ago
8 0
The 105 per hour mechanic worked for 10 hours and the other worked for 15. here's the math.

andrey2020 [161]3 years ago
6 0
The 105 per hour mechanic worked for 10 hours and the other worked for 15. 
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Could I get some help? Its simplifying square roots of negative numbers.​
Ainat [17]

Answer:

The square root of -100 is 10i.

Step-by-step explanation:

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If an angle measures x° what is its complement
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Circumference - Item 2838 Question 4 of 7
nevsk [136]
First, the formula of the circumference.

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2. C = 2*π*r
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Since we are given the diameter, it’s easier to use the first formula, π*d. Let’s not be too hard on ourselves.

Okay, so let’s state our decided formula:
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If where to round is stated in your question, round to that. If not, it’s best to round by two decimal places. In this case, we’ll round 100.5309649 to 100.53.

Please add your units as well. In this case, the final answer will be: 100.53 inches.

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“The approximate circumference of the tire is 100.53 inches.”
7 0
3 years ago
Julie had $20.00 in her pocket. She spent $7.40. About what percent of her money does she still have?
posledela

63%


First, we have to take 20.00 - 7.40 which gets us 12.60.


Then, we use the formula where we put the 12.60 on top of a fraction bar, and the 20.00 on bottom.

We do 12.60 x 100 which makes 1260.


Lastly, we divide that by the 20.00 which gets us 63.


So, Julie has 63% of her money left.


I hope this helped!!!

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1 year ago
(3r - 3) (r+2)<br>help plz​
suter [353]

So this way we can do it. Thankyou!

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3 years ago
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