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san4es73 [151]
3 years ago
11

Elizabeth is x years old. Her brother Jim is

Mathematics
2 answers:
postnew [5]3 years ago
8 0
If Jim's age = j

j = 3x + 2




hoa [83]3 years ago
8 0
Yes,
If we label Jim with J and Elizabeth with E:
J=3xE+2
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Martin deposits $200 in a savings account that earns 5% annual interest. four years later, cary deposits $200 in an account earn
Scrat [10]
<span>Martin deposits $200 in a savings account that earns 5% annual interest.

year         interest                       balance

1              200 * 5%                    200(1.05)

2              200(1.05) * 5%          200(1.05)^2

3              200(1.05)^2*5%        200(1.05)^3

y                                                200(1.05)^y

=> m = 200 (1.05)^y

four years later, cary deposits $200 in an account earning the same interest.

</span>
<span><span>year         interest                       balance

5              200 * 5%                    200(1.05)

6              200(1.05) * 5%          200(1.05)^2

7             200(1.05)^2*5%        200(1.05)^3

y                                                200(1.05)^(y-4)

=> c = 200(1.05)^ (y-4)
</span>
Answer:
Martin: 200(1.05)^y
Cary: 200(1.05)^(y–4)
</span>
3 0
3 years ago
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Answer:

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Step-by-step explanation:

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(NEED THE ANSWER AS SOON AS POSSIBLE)
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Answer: 42 - 8x

Step-by-step explanation:

Here is the complete question:

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