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Gnoma [55]
3 years ago
8

PLEASE HELP! I REALLY NEED TO FINISH THIS!!

Mathematics
2 answers:
ivolga24 [154]3 years ago
8 0

for invested amount. 700 for 7 600 for 6 and for interest rate 2.8 for sample i dont know

Thepotemich [5.8K]3 years ago
4 0
For invested amount it would be 700 and 600 for interest rate it would be 2.8 and for annual simple the answers would be 15 and 36
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Which quadratic equation has solutions x=8 and x=−1?
andrezito [222]
There are two ways you can do this

Using the formula


{x}^{2}  - (sum \: of \: roots)x + poduct \: of \: roots = 0

{x}^{2}  - (8+-1)x +  - 1 \times 8 = 0


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Working backwards


x = 8 \: or \: x =  - 1
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3 years ago
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Step-by-step explanation:

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the answer is $514.24

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erma4kov [3.2K]
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grin007 [14]

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3 years ago
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