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Vaselesa [24]
3 years ago
10

Rachel deposits $100 in a bank account and she gets 8% simple interest on it. Which linear model gives the return on her investm

ent in terms of time t in years?
a. R = 8t – 100
b. R = 8t + 100
c. R = 2t + 100
d. R = 88t + 100
e. R = 3t + 108
Mathematics
1 answer:
Mandarinka [93]3 years ago
3 0
The answer would be B because the 100 stays in there and you are adding 8% per year. Hope this helps.
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Adam wishes to have ​$20 comma 000 available in 18 years to purchase a new car for his son as a gift for his high school graduat
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Adam should invest $15516 after 18 years.

<u>Explanation:</u>

Given:

Amount(18) = $20000

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Solving for A₀:

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8 0
3 years ago
8.27 Any quarter has a face value of $0.25. An eccentric collector offers to buy state quarters for 600% of their face value. At
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Answer:

$7.50

Step-by-step explanation:

First we find what is the value at which the eccentric collector offers to buy the quarters for. We know the value at which they will buy the quarter for is 600% of the face value - which is $0.25.

Now we do some math and find the value at which the person will buy the quarter for is $1.50.

Now we multiply the value by 50 since Larry would be giving 50 quarters.

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4 0
2 years ago
Read 2 more answers
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katen-ka-za [31]

Answer:

  total cost = 8x^2 +17280/x

Step-by-step explanation:

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The cost of the base is ...

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And the cost of the sides is ...

  side cost = 6(2880)/x = 17280/x

The total cost of the box is ...

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_____

<em>Comment on the cost function</em>

You will find this function has a minimum at x=∛1080 ≈ 10.260 in. The total cost is about $2526.35, and the box is 2/3 times as tall as wide. That aspect ratio makes any pair of opposite sides cost the same as the base, the generic solution to a cost optimization problem of this sort.

7 0
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