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slava [35]
3 years ago
11

HELP ASAP.!!!!!!! Jahlil is saving money at a constant rate to buy a new TV. After saving for $3$ months, Jahlil has $\$330$ . A

fter saving for $5$ months, Jahlil has $\$510$ . Construct a function that models the relationship between the amount of money Jahlil has saved and the number of months he has saved for. Show or explain how you constructed the function. Respond in the space provided.
Mathematics
1 answer:
lawyer [7]3 years ago
6 0

Answer:

y=90x+60

Step-by-step explanation:

x=months

y=dollars

Find dollars/month by finding the slope.

(3, 330), (5, 510)

-> (510-330)/(5-3) -> 90

Since its a constant rate, the function will be in the form, y=mx+b, and since we found the slope we can plug m=90.

y=90x+b

To find be, we simply substitute one of the points.

330=90(3)+b

b=60

Thus, plugging it in,

y=90x+60

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Answer:

<u>6.2% of viewers of the 16-25 age group gave the movie a poor rating and they represent 1.57% of the total audience.</u>

Step-by-step explanation:

1. Based on the information provided, this was rating that viewers from 16-25 age group qualified the movie:

Excellent : 52 viewers

Good : 42 viewers

Average: 12 viewers

Poor : 7 viewers

Total viewers of this age group: 113

Total audience: 446

Therefore the percentages calculated from the total viewers of this age group and from the total audience were:

Excellent : 52/113 = 46.02% and 52/446= 11.66%

Good : 42/113 = 37.17% and 42/446 = 9.42%

Average: 12/113 = 10.62% and 12/446 = 2.7%

Poor : 7/113 = 6.2% and 7/446 = 1.57%

2.  What percentage of the audience from the 16-25 age group gave the movie a poor rating?

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7 0
3 years ago
Read 2 more answers
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Hitman42 [59]

Answer:

A

E

11.C

12.B

13.E

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Step-by-step explanation:

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oee [108]

OPTION A

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3 years ago
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Amiraneli [1.4K]

Answer:

(D)80 days

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<u />

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