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Vlada [557]
3 years ago
15

Tyler needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for 5

hours and charged him $112 for parts. The total was $237. What was the cost of labor, per hour?
Mathematics
1 answer:
Mariana [72]3 years ago
7 0

Answer:

$25 dollars per hour

Step-by-step explanation:

I subtracted the parts (Doesn't count), and I took the remaining balance and divided it by 5 hours to get the amount per hour.

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Noah and Lin are making paper cones to hold popcorn to hand out at parent math night. They want the cones to hold 9 cubic inches
DanielleElmas [232]

Answer:

So, The possible values of h and r are

1. r = 3 , h = 3

2. r = 1, h = 27

3. r = 2, h = 6.75

Step-by-step explanation:

P.S - The exact ques is -

As we know that Volume of cone , V = \frac{1}{3}\pi r^{2}h

As given,

V = 9\pi

⇒\frac{1}{3}\pi r^{2}h = 9\pi \\  \frac{1}{3} r^{2}h = 9 \\r^{2}h = 27

So,

The possible values of h and r are

1. r = 3 , h = 3

2. r = 1, h = 27

3. r = 2, h = 6.75

In Case I-

When r = 3, h = 3

(3)² ×3 = 9×3 = 27

Satisfied

Case II-

r = 1, h = 27

(1)²×27 = 1×27 = 27

Satisfied

Case III-

r = 2, h = 6.75

(2)²×6.75 = 4×6.75 = 27

Satisfied

8 0
3 years ago
You work 12 hours for $69. Find the rate per hour.
Inessa05 [86]
5.75 an hour good luck lollllllll
6 0
3 years ago
Which expression is equivalent to (r^-7)^8
ahrayia [7]

Answer:

1/r^56

Step-by-step explanation:

Not sure if you did a typo there or what cus 7 x 8 should be 56

Whenever the power of a number is negative, you flip. So r^-7 becomes 1/r^7

Remove the bracket and distribute 8 to the power of 1 and r^7

1 to the power of 8 will still be 1, r^7 x 8 = r ^ 56

6 0
3 years ago
Use the following data set and a separate piece of paper to make a line plot that will help you to answer questions 2-7. (6, 4,
Montano1993 [528]
Hello? If you don't know, mode means the most occurring number. And in the data, the number 6 has occurred four times. Which means that the answer is 6.
3 0
3 years ago
Read 2 more answers
Factor this <br> X^2+10+9=0
Art [367]
To factor this quadratic equation into double brackets, you need to find two numbers that add together to equal 10, but also multiply to give you 9. These two numbers can be identified as 1 and 9, which will be the numbers you place in your parentheses as follows:
(x+1)(x+9)
8 0
3 years ago
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