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jolli1 [7]
3 years ago
14

Simplify: 6x-7-11x+x show all work if possible

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0
Just  matter of combining like terms
6x - 7 - 11x + x =
(6x + x - 11x) - 7 =
(7x - 11x) - 7 =
- 4x - 7 <===
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Sam invests $800 at 6%/a compounded annually for 5 years. What is the total interest<br> earned?
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<h3>Answer:    270.58 dollars</h3>

======================================================

Work Shown:

  • A = account value after t years
  • P = principal or amount deposited = 800
  • r = interest rate in decimal form = 0.06
  • n = number of times we compound per year = 1
  • t = number of years = 5

So,

A = P*(1+r/n)^(n*t)

A = 800*(1+0.06/1)^(1*5)

A = 1070.58046208

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After five years, the account will have $1,070.58 in it.

The amount of interest earned is A-P = 1070.58 - 800 = 270.58 dollars.

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