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3 years ago

9

3200 dollars is placed in an account with an annual interest rate of 5.25%. To the nearest tenth of a year, how long will it tak

e for the account value to reach 13400 dollars?

2 answers:

lesya [120]3 years ago

7 0

1000 is 20 also sixnsnjsjemsjd

Afina-wow [57]3 years ago

4 0

Answer:

28

Step-by-step explanation:

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Then, we can solve the question using some algebra to find that k = 3.

Edit: Here is a step by step:

$4\sqrt{2} = \sqrt{(6-2)^2 + (7-k)^2}\\$

$(4\sqrt{2})^2 = (6-2)^2 + (7-k)^2$

$32 = (4)^2 + (7-k)^2$

$32 = 16 + (7-k)^2$

$32 - 16 = (7-k)^2$

$16 = (7-k)^2$

$\sqrt{16} = (7-k)$

$4 = 7-k$

$k = 3$

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