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Sholpan [36]
3 years ago
7

David and Jillian are playing a board game together. Jillian wants to trade her wool cards for David's ore cards. The double num

ber line shows that David will trade 33 ore cards to Jillian for 66 wool cards. Based on the ratio shown in the double number line, how many wool cards does Jillian need to trade for 44 ore cards?
Mathematics
2 answers:
blagie [28]3 years ago
8 0

Answer:

I dont know this. She's supposed to trade 4 cards you doubled all the numbers so its kinda confusing...

Step-by-step explanation:

Dafna11 [192]3 years ago
6 0

Answer:8

Step-by-step explanation:6%3=2

4x2=8

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a car purchased for $34,000 is expected to lose value, or depreciate, at a rate of 6% per year.using x for years and y for the v
Vika [28.1K]

Answer:

y = 34000(1-0.06) ^ t

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Step-by-step explanation:

This problem is solved using a compound interest function.

This function has the following formula:

y = P(1-n) ^ t

Where:

P is the initial price = $ 34,000

n is the depreciation rate = 0.06

t is the elapsed time

The equation that models this situation is:

y = 34000(1-0.06) ^ t

Now we want to know after how many years the car is worth less than $ 21500.

Then we do y = $ 21,500. and we clear t.

21500 = 34000(1-0.06) ^ t\\\\log(21500/34000) = tlog(1-0.06)\\\\t = \frac{log(21500/34000)}{log(1-0.06)}\\\\t = 7.40\ years.

After 7.40 years it will be worth less than 21500

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3 years ago
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Is This Substitution?

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