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Darya [45]
2 years ago
13

PLEASE ANSWER THIS, QUICK

Mathematics
2 answers:
Korvikt [17]2 years ago
6 0

Answer:

(x, y ) = ( - 3 , 14 )

Step-by-step explanation:

I hope this helps you. Best of luck.

babymother [125]2 years ago
4 0
Okay first you need to add both equations together

7x + 6y = 63
+ - 5x - 6y = -69
—————————
2x = -6

Then divide both sides

x = -3

Then plug -3 back into one of the equations to find y

7(-3) + 6y = 63
= -21 + 6y = 63
—-> 6y = 84

Divide both sides

y = 14

The answer is (-3, 14)
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3 years ago
A savings account earns 5% simple interest per year. The principal is $1200. What is the balance after 4 years?
stiv31 [10]
The formula of the Simple Interest is:
I=PRT
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R for Rate                        (5%=\frac{5}{100} = 0.05)
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Add the interest to the principle amount to check the balance
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7 0
3 years ago
Read 2 more answers
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olga_2 [115]

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5 0
3 years ago
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