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arlik [135]
3 years ago
5

Mrs. Hernandez owns a computer training business. She charges a lab fee plus an hourly rate of $35 to train office workers on va

rious software programs. For a 4-hour course, she charges $200. Write an equation in the form y = mx + b that represents the total cost, y, for a course of x hours.
Mathematics
1 answer:
Lilit [14]3 years ago
5 0
Y=35x+60

hope this helps!
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andrey2020 [161]

Answer:

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4 0
2 years ago
What is the answer to 4/5 - 3/4?
azamat

Answer: 1/20

Step-by-step explanation:

you need to find a common denominator (least common multiple of both denominators)

4/5 - 3/4

16/20 - 15/20

1/20

7 0
3 years ago
Read 2 more answers
Please help me on this!
Likurg_2 [28]

Step-by-step explanation:

no I won't thanks though

6 0
3 years ago
2/7x = 10 show work plz
Rashid [163]

Answer:

x = 35

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    2/7*x-(10)=0

                 2

Simplify   —

                  7

  2        

 (— • x) -  10  = 0

  7        

Subtracting a whole from a fraction

Rewrite the whole as a fraction using  7  as the denominator :

             10             10 • 7

   10 =  ——  =  ——————

               1                 7  

Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

           2x - (10 • 7)                       2x - 70

—————————————  =  ———————

                     7                                   7  

Pull out like factors :

  2x - 70  =   2 • (x - 35)

         2 • (x - 35)

 ————————————  = 0

                 7      

When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

      2•(x-35)

 ———————— • 7 = 0 • 7

          7    

Now, on the left hand side, the  7  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  2  •  (x-35)  = 0

Solve :    2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solve  :    x-35 = 0

Add  35  to both sides of the equation :

                     x = 35

4 0
2 years ago
Read 2 more answers
Pls!!!!! Answer this I only have like 10 minutes. Pls no links either. I really need help pls!!!
Serjik [45]

Answer:

y-intercept = 2

slope = 3/4

y = 3/4x + 2

4 0
3 years ago
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