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3 years ago

Solve 7p + 8p - 12 = 59

Mathematics

2 answers:

Bezzdna [24]3 years ago

4 0

19.7 idk tbh I did the math in my head and on a calculator

ikadub [295]3 years ago

3 0

combine like terms first
15p-12=59
add 12 ro both sides
15p=71
p=4.733

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$482

Step-by-step explanation:

Data provided:

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3 years ago

Marcos had 15 coins in nickels and quarters. He had 3 more quarters than nickels. He wrote a system of equations to represent th

hodyreva [135]

Answer:

There are 6 coins in nickels and 9 coins in quarters.

Step-by-step explanation:

Now, to find the solution.

According to question:

The number of nickels = $x$ .

The number of quarters = $y.$

So, the total number of coins:

$x+y=15.$

He had 3 more quarters than nickels.

Thus,

$y=x+3$ .....(1)

Now, to get the solution:

$x+y=15$

Substituting the equation (1):

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3 years ago

What is the future value of $11,600 invested for 17 years at 7.25 percent compounded annually? $32,483.60 $27,890.87 $38,991.07

Black_prince [1.1K]

The main formula is A=P(1+r/n)^nt, where A=amount of $ in the account at the specified time, P=principal (amount originally invested), r=interest rate, expressed as a decimal number, t=time, in years, of the investment, and n=number of times the account is compounded annually.
In our equation:
P=$11,600
r=7.25%=.0725
t=17 years
n=1 (compounded annually)
A= 11600(1+.[0725/1])^(1*17)
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