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dusya [7]
3 years ago
13

The bill for the repair of a computer was $179. The cost of part was $44, and labor charge was $45 per hour. How many hours did

it take to repair the computer?
1. write an equation using h for the number f hours it took to repair the computer

2. solve the equation

this is a 2 step equation plz show the steps thank you
Mathematics
1 answer:
Cloud [144]3 years ago
4 0
Alright! First you'd subtract the amount of the part ($44) from your total ($179), then you'd divide by the rate of cost ($45). Your equation would be:
($179 - $44) ÷ $45 = h.

Then you solve:
($179 - $44) = $135
($135 ÷ $45) = 3
h = 3.

The answer is 3 hours.
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Which of the following equation describes the line shown below
pishuonlain [190]

Answer:

equation A describes the line

Step-by-step explanation:

(x,y) = (9,1)

1 -1 = (9-9) 5/3

or, 0 =0

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Six numbers that are not perfect cubes
Natalka [10]
Six numbers that are not perfect cubes 43, 0, 61, 15, 14, and 3
6 0
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A. Y = 1/3(3)^x<br> B. Y= 3(1/3)^x<br> C. Y= (1/2)^x +2<br> D. Y=(2)^x - 1
Dimas [21]

Answer:

B

Step-by-step explanation:

Look at the graph, it passes to (0,3), so you need to replace that coordinate into A,B,C,D. Then you can see, there is only B and C satisfies.

Y=3(\frac{1}{3} )^{0}=3.1=3.

and

Y=(\frac{1}{2} )^{0}+2=1+2=3

Next step, you can see when x approach to infinite then Y approach to 0.

Hence, we will take limit of B and C, if limit B or C equals to 0 then we will choose.

\lim_{x \to \infty} {3(\frac{1}{3})^x=3. \lim_{x \to \infty} {(\frac{1}{3})^x=3.0=0

and

\lim_{x \to \infty} {[(\frac{1}{2})^x+2]}=  \lim_{x \to \infty} {(\frac{1}{2})^x}+ \lim_{x \to \infty} {2}=0+2=2

We can see that only B is satisfied.

3 0
3 years ago
Assume that there are 6 types of upholstery, 2 types of wood, and 2 designs to choose from. Of the designs, 1 design permits bot
aksik [14]

Answer:

18

Step-by-step explanation:

First design: upholstery and wood

Second design: upholstery

For the first design the possible chairs we can make are 6 with the first type of wood and 6 with the second one. Therefore we sum both results=12.

For the second the possible chairs we can make are 6.

The total of possibles chairs we can make are 6 + 12 = 18.

8 0
3 years ago
10x+12 i need to find out for math
lesya692 [45]

Answer:

x = -6/5 = -1.200

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : -10*x-(12)=0

Step 1:

  1. Pull out like factors :

-10x-12= -2×(5x+6)

    2. Solve :

        -2=0

This equation has no solution.

A a non-zero constant never equals zero.

5x+6 = 0

Subtract  6  from both sides of the equation :

                     5x = -6

Divide both sides of the equation by 5:

                    x = -6/5 = -1.200

Hoping this works for yall ;)

7 0
3 years ago
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