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photoshop1234 [79]
4 years ago
14

I need help with Algebra 2a

Mathematics
1 answer:
Ugo [173]4 years ago
4 0

Answer:

Step-by-step explanation:

Summation means that you are adding together all the numbers that result from putting in the numbers 5-11 for i:

(-7 - 6(5)) + (-7 - 6(6)) + (-7 - 6(7)) + ( -7 - 6(8)) + ( -7 - 6(9)) + ( -7 - 6(10)) + ( -7 - 6(11)) which gives you the numbers:

-37 + -43 + -49 + -55 + -61 + -67 + -73 = -385

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Ms. Caswell deposits $450 into an account earning 8% simple interest per year. How
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Answer:

$144

Step-by-step explanation:

Use the simple interest formula, I = prt, where I is the interest money created, p is the starting amount, r is the interest rate as a decimal, and t is the amount of time.

Plug in the original amount, interest amount, and amount of time:

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I = 450(0.08)(4)

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So, $144 in simple interest is made in 4 years

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