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Mnenie [13.5K]
3 years ago
8

Diana creates a graph for the amount of money she earns, y, for working x hours. The graph contains the points (34,408), (40,480

), and (46,588).
Which TWO statements must be TRUE?
A. The last point does not show a proportional relationship with the others because the hourly rate of pay is $18 per hour.
B. The points do not show a proportional relationship because the difference between the y-coordinates is not the same.
C. The first two points show a proportional relationship with each other because the hourly rate of pay is $12 per hour
D. All of the points show a proportional relationship because the amount of hourly pay is a whole number
E. All points show a proportional relationship because the difference between the x-coordinates is 6
Mathematics
2 answers:
Leni [432]3 years ago
6 0

Answer:

C, B

Step-by-step explanation:

     x        y

A 34     408

B 40     480

C 46     588

A= $12/hour

B= $12/hour

C= $12.78/hour

The difference between A and B is 72.  The difference between B and C is 108.

Yuliya22 [10]3 years ago
6 0
C, b is the answer hope dis helps:)
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A certain city's population is 120,000 and decreases 1.4% per year for 15 years.
mart [117]

Answer:

  • Decay Problem.
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Step-by-step explanation:

The exponential function for growth/decay is given as:

P(t)=P_0(1 \pm r)^t, where:\\P_0$ is the Initial Population\\r is the growth/decay rate\\t is time

In this problem:

The city's initial population is 120,000 and it decreases by 1.4% per year.

  • Since the population decreases, it is a Decay Problem.
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Therefore, the function is:

P(t)=120000(1 - 0.014)^t\\P(t)=120000(0.986)^t

When t=10 years

P(10)=120000(0.986)^10\\=104219.8\\\approx 104220 $ (to the nearest whole number)

8 0
3 years ago
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klio [65]

Answer:

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3 years ago
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Answer:

Option (c) is correct.

Step-by-step explanation:

Given equation is :

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Step 1.

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Step 2.

Now subtract b on both sides

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Subtract c on both sides

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3 years ago
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