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Sunny_sXe [5.5K]
3 years ago
8

Brandon and his friend adam both mow lawns.Brandon earns $375 per week mowing 15 lawns while Adam earns $500 per week mowing 25

lawns. Who has a greater average rate of change?
Mathematics
1 answer:
sladkih [1.3K]3 years ago
3 0
Brandon. He earns $25 per lawn, while Adam only earns $20 per lawn
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3c+2d=2;d=4 step by step
mina [271]
Hi there!

3c + 2d = 2 for d = 4
3c + 2(4) = 2
3c + 8 = 2
Subtract 8 to both sides
3c + 8 - 8 = 2 - 8
3c = -6
Divide both sides by 3
3c/3 = -6/3
c = -2

I hope I helped!
6 0
3 years ago
The height of a golf ball, in meters, x seconds after it has been hit is given by the expression -4.9x^(2) +4.8x+0.1 . When does
iragen [17]

Answer:

t = 1 second

Step-by-step explanation:

The height of a golf ball, in meters, x seconds after it has been hit is given by the expression.

h=-4.9x^2 +4.8x+0.1

We need to find the time when the ball will hit the ground.

When it hits the ground, h=0

-4.9x^2 +4.8x+0.1=0

It is a quadratic equation. The solution of the above equation is :

x = 1 seconds, x = -0.02 seconds

Hence, after 1 second the ball will hit the ground.

7 0
2 years ago
Read 2 more answers
There are 63 books in Mrs. McGhee’s class library. Some books are paperback, and some are hard cover. There are 23 paperback boo
alukav5142 [94]

Answer:

23 and 40

Step-by-step explanation:

6 0
3 years ago
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A contractor has two choices for billing a completed job.
dem82 [27]

Answer:

C. The solution (25, 20) tells the contractor the number of hours on a job where the hourly rate is the same for both billing options.

Step-by-step explanation:

In the graph, the x axis represents the number of hours worked and the y-axis represents the hourly rate.

It is given that the hourly rate is $20.

While seeing the options, clearly, (0, 20), (0, 500) and (20, 25) are not points on the graph.

Hence, the correct option is (C).

4 0
3 years ago
Read 2 more answers
Can someone please help!!!
krek1111 [17]

Step-by-step explanation:

You graph the X first and then the Y second. Graph ( 7, -30)

6 0
3 years ago
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