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tankabanditka [31]
3 years ago
10

Wyatt is working two summer jobs, making $8 per hour walking dogs and making $14 per hour tutoring. In a given week, he can work

a maximum of 13 total hours and must earn a minimum of $140. If x represents the number of hours walking dogs and y represents the number of hours tutoring, write and solve a system of inequalities graphically and determine one possible solution.
Please make 2 inequalities using slope intercept form.
Mathematics
1 answer:
Sonja [21]3 years ago
6 0

One inequality will be about the number of hours Wyatt works, and the other about how much money he makes based on the number of hours he works at each job.

x represents dog walking, y represents tutoring

Hours inequality:

x + y ≤ 13

y ≤ -x + 13

Income inequality:

8x + 14y ≥ 140

14y ≥ -8x + 140

y ≥ -4/7x + 10

To determine the solution to these inequalities, we can set them equal to each other and solve for x, then use our value of x to solve for y.

-x + 13 = -4/7x + 10

-x +3 = -4/7x

3 = 3/7x

x = 7

y = -x + 13

y = -7 + 13

y = 6

The solution is (7, 6), where Wyatt works 7 hours walking dogs and 6 hours tutoring.

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Answer:

D

Step-by-step explanation:

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Let's examine each choice.

(A) Well, if we draw a vertical line through the graph, it will obviously intersect the entire line - which is an infinite number of intersections, so this is not a function.

(B) If we draw a vertical line through the portion of the graph that lies near the positive x-axis, we note that it will intersect twice, so this is not a function.

(C) If we strategically draw a vertical line through the y-axis, we see it will intersect two times, so this is not a function.

(D) We can draw a vertical line through any portion of this graph and know that it will only intersect once.

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5 0
3 years ago
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Carpeting costs $9.95 per yard. If Jamie buys 8 yards, how much will it cost him?
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8 0
3 years ago
If x varies directly with y and x=6 when y=8, find x when y=18.
andrey2020 [161]

Answer:

x = 13.5

Step-by-step explanation:

direct variation

y = kx

substitute x and y to find k

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divide by 6

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y = 4/3 x

now put in y =18

18 = 4/3 x

 multiply by 3/4

18 * 3/4 = 3/4 * 4/3 x

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change to a decimal

13.5 =x


6 0
3 years ago
Which graph represents the solution set for the quadratic inequality x^2+2x+1 0
Natasha2012 [34]
The answer is [-2,7] on e2020, good luck fam 

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