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Troyanec [42]
3 years ago
12

You made two deposits to your bank account this month. One deposit was $17.92, and the second deposit was $15.33. Your balance a

t the end of the month is $72.31, and you made no withdrawals. Write and evaluate an expression for your balance at the beginning of the month.
$72.31 + $17.92 + $15.33; $105.56
$72.31 – $17.92 – $15.33; $39.06
$72.31 – ($17.92 – $15.33); $69.72
$72.31 + ($17.92 – $15.33); $74.90
Mathematics
2 answers:
Slav-nsk [51]3 years ago
6 0

Answer:

the answer is $72.31 – $17.92 – $15.33; $39.06

Step-by-step explanation:

x+(17.92+15.33)=72.31

x=72.31-17.92-15.33

x=\$39.06

so the answer is <u>$39.06</u>

hope this helps please select me as the brainliest

Leona [35]3 years ago
4 0

Answer:

The answer is the option

72.31-17.92-15.33;\$39.06

Step-by-step explanation:

Let

x-------> the balance at the beginning of the month

y------> total amount in deposits this month

we know that

x+y=72.31 -----> equation A

y=17.92+15.33 ------> equation B

Substitute

equation B in equation A

x+(17.92+15.33)=72.31

x=72.31-17.92-15.33

x=\$39.06


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What is the solution to the system of equations <br><br> 3x+2y=39<br> 5x-y=13
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Hiya. I'm going to rewrite the second equation.

By subtracting 5x by both sides, I'll be able to have y by itself:

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I'm going to then divide both sides by -1 to get:

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Then, I'm going to plug that equation into the first equation

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120

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1. a=6, b=8, c=?

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3. a=7, b=9, c=?

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