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DerKrebs [107]
2 years ago
14

Cora works as a plumber and earns $50 per house call, plus $18 for every hour of work. She billed a customer $104, but forgot ho

w long she worked. To solve for the number of hours, she subtracted 50 from 104 and then divided by 18.
Mathematics
1 answer:
DIA [1.3K]2 years ago
8 0

Answer:

Cora worked 3 hours

Step-by-step explanation:

104 = 18x + 50 ( x = # of hours worked)

54 = 18x   ( subtracted 50 from both sides)

3 = x    ( divided both sides by 18)

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Answer:

You count something

Step-by-step explanation:

If you imagine 9 slots that are empty and you fill 3 of them then there is 6 empty slots so -6

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3 years ago
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If the point is reflected across the x-axis, what is the location of the new point?
Neporo4naja [7]

Answer:

A) (5,3)yyhrfeusirjukgs

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3) Scenario 1 Scenario 2 y = 50x x is time in hours y is distance in miles Compare the scenarios and determine which shows the g
Olegator [25]

Answer:

Option A.

Step-by-step explanation:

Consider the below figure attached with this question.

Scenario 1 represented by the graph.

From the graph it is clear that the line passes through the points (1,60) and (2,120).

Slope of the line is

y=\dfrac{y_2-y_1}{x_2-x_1}

y=\dfrac{120-60}{2-1}=60

The slope of line is 60. It means the speed is 60 miles per hour.

Scenario 2 defined by the equation,

y=50x

If an equation defined as y=mx+b, then m is slope and b is y-intercept.

m=50

The slope of line is 50. It means the speed is 50 miles per hour.  

The slope of Scenario 1 is greater than slope of Scenario 2. So, the Scenario 1 shows the greater speed.

Hence, the correct option is A.

6 0
3 years ago
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Cho tam giác ABC cân tại A trung tuyến AM.Biết BC=6cm,AM=4cm .Tính độ dài các cạnh AB và AC
abruzzese [7]

Vì tam giác ABC cân tại A (gt) mà AM là đg trung tuyến nên AM đồng thời là đg cao của t/giác đó:

AM là trung tuyến của t/giác ABC nên M là trung điểm BC:

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Xét tam giác AMB vuông tại M

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7 0
3 years ago
5x - 2 = 10 - X<br> Please help
finlep [7]

Answer:

x = 2

Step-by-step explanation:

5x - 2 = 10 - x

<em>Add x to both sides</em>

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<em>Add 2 to both sides</em>

6x = 12

<em>Divide both sides by 6</em>

x = 2

3 0
3 years ago
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