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Dahasolnce [82]
3 years ago
11

Jeanne babysits for $6 per hour. She also works as a reading tutor for $10 per hour. She is only allowed to work 20 hours per we

ek. This week, her goal is to make at least $75.
A. Use a system of inequalities to model the scenario above. Let x represent babysitting hours and y represent tutoring hours.
B. Use the model created in part A to create a graph representing Jeanne’s probable income earned and possible number of hours worked this week.
C. Analyze the set of coordinate values that represent solutions for the model created in part A. Choose one of the coordinates within the solution and algebraically prove that the coordinate represents a true solution for the model.

Mathematics
1 answer:
tatuchka [14]3 years ago
4 0

Answer:

hey i answered youre first problem about this but it didnt allow me to post the graph but i can post the three here and then you can look back in your questions asked and see the answers i gave previously!

(here are the 3 graphs)

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Aloiza [94]

Answer:

(2, -2) and (1,-3)

Step-by-step explanation:

The y-intercept means that the coordinate where the line touches the y-axis. In other words, the y value(-4) when x=0. The result is (0, -4). The y coordinate also can be used to fill c variable of y=mx + c

We have 2 coordinates now, (3, -1) and (0, -4), then we can find out the line equation. We need to find the slope (m), the formula will be:

m= y2-y1 / x2-x1=  

m= -4 - (-1) / (0-3)

m= -3/-3= 1

The line equation is:

y= mx + c

y= 1x + (-4)

y= x-4

After you have the equation, you can try to test the point individually to find if any of them fit the equation. You can also draw a line on the graph and see if any point touches the graph.

Red dot is the two point we have, red line is straight line that made from both point, and blue point is the option. As you can see on the graph, the points that touch the line will be (2, -2) and (1,-3)

4 0
3 years ago
A function with a graph that is not a straight line is nonlinear. <br><br> True or False
Over [174]

Answer: true

Step-by-step explanation:

But it isn't a linear functionA function with a constant rate of change and a straight line graph., because it doesn't follow a straight line. Any function that isn't linear is called a nonlinear function.

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Find the total surface area of a cube whose edge is 2 . 1 m
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Answer:

Total surface of area =

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12.6m ^{2}

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Find the decimal equivalent of -12/5 and 6 1/2
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Answer:

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Step-by-step explanation:

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