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Phantasy [73]
3 years ago
10

Two mechanics worked on a car. The first mechanic charged $45 per hour and the second charged $120 per hour. The mechanics worke

d for a combined total of 15 hours, and together they charged a total of $1050. How long did each mechanic work?
Mathematics
1 answer:
ankoles [38]3 years ago
4 0

Answer:

the $45 per hour mechanic worked 2 hours

the $120 per hour mechanic worked 8 hours

Step-by-step explanation:

45 X 2 = 90

120 X 8 = 960

960 + 90 = 1050

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marshall27 [118]
Some decimals between 0.55 and 0.56 are 0.551, 0.552, 0.553, 0.554, 0.556, 0.557, 0.558, 0.559. 

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4 years ago
What is 4 + x / 7=2​
Taya2010 [7]

Answer:

-14

Step-by-step explanation:

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3 years ago
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Which of the following is a correct interpretation of the expression 3 - (-5)?<br> Chanc 1 answer.
Juliette [100K]

Answer:

8

Step-by-step explanation:

3 - (-5)

This can be rewitten to

3 + 5

Why?

2 negatives cancel each other out to make a positive, therefore:

3 + 5 = 8 or 3 - (-5) = 8

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3 years ago
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WILL MARK BRAINLEIST PLEASE HURRY
Marina86 [1]

Answer:

<h3>The reason which is incorrect is in Step 2 and reason 2</h3>

Step-by-step explanation:

Given that Logan's equation is \frac{3}{2}\times (x-10)=50

<h3>To simplify and find the which reason is incorrect :</h3>

Logan's solution and reasoning for solving an equation are shown below:

Step1 \frac{3}{2}\times (x-10)=50

Reason 1: Given

Step2 \frac{3}{2}\times x-10+10=50+10

Reason 2: Addition Property of Equality

Step3 \frac{3}{2}\times x=60

Reason 3: Simplify

Step4 \frac{3}{2}\times x \times (\frac{2}{3})=60\times (\frac{2}{3})

Reason 4: Division Property of Equality

Step5 x=40

Reason 5: Simplify

<h3>The reason which is incorrect is in Step 2 and reason 2</h3><h3>The corrected steps are</h3>

Step1 \frac{3}{2}\times (x-10)=50

Reason 1: Given

Step2 \frac{3}{2}\times (x)-\frac{3}{2}\times (10)=50

Reason 2: Distributive property

Step3 \frac{3}{2}\times x-15=60

Reason 3: Simplify

Step4 \frac{3}{2}\times x-15+15=50+15

Reason 4: Addition Property of Equality

Step5 \frac{3}{2}\times x=65

Reason 5: Simplify

Step6 \frac{3}{2}\times x \times (\frac{2}{3})=65\times (\frac{2}{3})

Reason 6: Division Property of Equality

Step7 x=\frac{130}{3}

Reason 7: Simplify

<h3 />
5 0
4 years ago
What’s 40% of 60 17 of 50 as well
yan [13]

Answer: 24; 8.5


Step-by-step explanation:

40% of 60

Move the decimal twice

4*6= 24


17% of 50

Move decimal and multiply

0.17*50= 8.5


4 0
3 years ago
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