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svetlana [45]
2 years ago
15

Apolline is mowing lawns for a summer job. For every mowing job, she charges an initial fee plus a constant fee for each hour of

work. Her fee for a 5-hour job, for instance, is $42dollar sign. Her fee for a 3-hour job is $28dollar sign. Let y represent Apolline's fee (in dollars) for a single job that took x hours for her to complete.
Mathematics
2 answers:
vovangra [49]2 years ago
7 0

Answer:

Two points that are not intercepts.

Step-by-step explanation:

Genrish500 [490]2 years ago
3 0

Answer:

7 + 7X

Step-by-step explanation:

I: initial fee

c: constant one hour fee

I + 5C = 42

I + 3C = 28

c = 7

I = 7

for a job of X hour: 7 + 7X

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netineya [11]
Point-slope equation of a line:

y - yo  =  m(x - xo)
Where m is the slope (1/4) and (xo,yo)=(2,-2)

y + 2 =  \frac{1}{4} (x - 2)
y + 2 =  \frac{1}{4} x -  \frac{1}{2}
y =  \frac{1}{4} x -  \frac{5}{2}
The y-intercept is -5/2, the graph is shown in the photo.

4 0
2 years ago
Housing prices in a certain neighborhood average at $113.81 per square foot. If one house in his neighborhood is 2100 square fee
vampirchik [111]
The correct answer is A ($239,000)
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5 0
2 years ago
you ride your bike around the neighborhood block eight times a day after school. The distance around the neighborhood block is 3
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3 0
2 years ago
The marginal price per pound (in dollars) at which a coffee store is willing to supply x pounds of Jamaican Blue Mountain coffee
il63 [147K]

Answer:

Thus, the coffee shop is willing to supply 6 pounds per week at a price of $4 per pound.

Step-by-step explanation:

We are given the following information in the question:

The marginal price per pound (in dollars) is given by:

p'(x) = \displaystyle\frac{208}{(x+7)^2}

where x is the supply in pounds.

P(x) = \displaystyle\int p'(x)~dx =\displaystyle\int\displaystyle\frac{208}{(x+7)^2}~dx\\\\P(x) = \frac{-208}{(x+7)} + c\\\\\text{where c is the constant of integration.}

The coffee shop is willing to supply 9 pounds per week at a price of $7 per pound.

Thus, we are given that

P(9) = 7

Putting the values, we get,

P(x) = \displaystyle\frac{-208}{(x+7)} + c\\\\P(9) = 7\\\\\displaystyle\frac{-208}{(9+7)} + c = 7\\\\c = 7 + \frac{208}{16} = 20

P(x) = \displaystyle\frac{-208}{(x+7)} + 20

Now, we have to find how many pounds it would be willing to supply at a price of $4 per pound.

P(x) = 4

P(x) = \displaystyle\frac{-208}{(x+7)} + 20 = 4\\\\\frac{-208}{x+7} = -16\\\\x + 7 = 13\\x = 6

Thus, the coffee shop is willing to supply 6 pounds per week at a price of $4 per pound.

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3 years ago
Solving by factoring
puteri [66]

Answer:

3

Step-by-step explanation:

6 0
3 years ago
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