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mixas84 [53]
3 years ago
10

Caroline needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer f

or 2.75 hours and charged her $114 for parts. The total was $320.25. Write and solve an equation which can be used to determine xx, the cost of the labor per hour.​
Mathematics
2 answers:
lakkis [162]3 years ago
4 0

Answer:

$75

Step-by-step explanation:

Using the information given to us, we can create the equation:

2.75x + 114 = 320.25

Now we solve for x:

2.75x + 114 = 320.25

2.75x = 206.25

x = 75

vazorg [7]3 years ago
4 0
The answer is 75$, hope this helped!!!!!
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Dvinal [7]

Answer:

The balance of your account after 5 years without more deposits or withdrawals will be $950.15.

Step-by-step explanation:

The compound interest formula is given by:

A = P(1 + \frac{r}{n})^{nt}

Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.

In this problem, we have that:

P = 800, r = 0.035, t = 5, n = 1

So

A = P(1 + \frac{r}{n})^{nt}

A = 800(1 + \frac{0.035}{1})^{1*5}

A = 950.15

The balance of your account after 5 years without more deposits or withdrawals will be $950.15.

3 0
4 years ago
Need help please, Algebra 1/Polynomials
expeople1 [14]
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3 0
3 years ago
What good with it mayne! Please help yo boy out with the dis math question?
nadya68 [22]

Answer:

1.9

Step-by-step explanation:

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3 0
3 years ago
Rose's age is 3 times the difference of her brother's age and 6. Rose is 15 years
riadik2000 [5.3K]

Answer:

11

Step-by-step explanation:

Rose age = 3(x-6) = 15

Rose's brothers age = x

3(x-6) = 15

3x - 18 = 15

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3 years ago
Read 2 more answers
Idek what this is lol
STatiana [176]

Answer:

lol means laugh out loud

5 0
4 years ago
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