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AleksandrR [38]
3 years ago
5

Wendy opens a bank account with money she has saved. After this initial deposit, Wendy then deposits the same amount of money ea

ch week. Using the table below, how much was her initial deposit? x y Week Balance in Dollars 1 76 2 92 3 108 4 124 A. $60 B. $76 C. $16 D. $50
Mathematics
2 answers:
Bess [88]3 years ago
8 0

If the table is:


x | y

------

1 | 76

------

2 | 92

---------

3 | 108

-----------

4 | 124



-------------------------------------------------------------------------------------------------------------------


Find the change inbetween each amount per week


92 - 76 = 16

108 - 92 = 16


etc.


This means that her initial deposit should be subtracting 16 from her first deposit.


76 is the amount first deposited


76 - 16 = 60


A) $60 should be your answer


hope this helps

adelina 88 [10]3 years ago
7 0

Answer with Step-by-step explanation:

Week     Balance in Dollars

1                76

2               92

3               108

4               124

Finding the change in between each amount per week

92 - 76 = 16

108 - 92 = 16

...

This means she deposited $16 each week

This means that her initial deposit can be calculated by subtracting 16 from her balance in first week

76 - 16 = 60

This means initial deposit in her account was:$60

Hence, Correct option is:

A. $60

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A sequence is defined recursively using the formula f(n + 1) = -0.5f(n). If the first term of the sequence is 120, what is f(5)?
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The given formula tells us that the next term f(n+1) of the sequence is -0.5 times the previous term f(n)

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