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timofeeve [1]
3 years ago
15

3x -2y = -6 and y = x+5

Mathematics
1 answer:
sweet [91]3 years ago
5 0

Answer:

x = 4, y = 9.

Step-by-step explanation:

3x -2y = -6 and y = x+5

Substitute y = x + 5 in the first equation:

3x - 2(x + 5) = -6

3x - 2x - 10 = -6

x = -6 + 10

x = 4

So y = 4 + 5 = 9.

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8 0
3 years ago
Read 2 more answers
how much must you deposit in an account that pays 8% interest,compounded monthly to have a balance of $1000 after three years?​
NNADVOKAT [17]
<h3>Answer:  787.25 dollars</h3>

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

Work Shown:

A = final amount after t years = 1000

P = initial deposit = unknown

r = interest rate in decimal form = 0.08

n = compounding frequency = 12

t = number of years = 3

-----

A = P*(1+r/n)^(n*t) is the compound interest formula

1000 = P*(1+0.08/12)^(12*3)

1000 = P*1.27023705162066

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----

note: this assumes that the interest rate stays at 8% the entire three year period; also, you cannot withdraw any money from the account during this time period.

5 0
3 years ago
PLS HELP
s2008m [1.1K]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Solve the equation for the indicated variable.<br><br> x=2y-2 for y
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Answer:

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