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Kobotan [32]
2 years ago
11

I need help please and please explain your answer.

Mathematics
1 answer:
lesya692 [45]2 years ago
6 0

Answer:

I think it is B or D

actually it is B i got 100%

Step-by-step explanation:

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Some carpet cleaning costs are 1 room for $125, 2 rooms for $175, 3 rooms for $225. and 4 rooms for $275.00.Find and interpret t
Free_Kalibri [48]
First calculate the hourly rate, which is the difference of cleaning 2 and 1 rooms:
175-125=50

then calculate the initial value by subtracting the hourly rate from the "1 room" cost:
125-50=75

The initial cost might be something like driving to the place (which is only necessary once), while the rate covers work time or cleaning utensils used.
8 0
3 years ago
Simplify 9^{2} / 9^{7}
monitta
It is 2/18 I hope I can help
8 0
2 years ago
Lexi mailed a letter on Monday morning. The letter traveled 1/2 of a mile on Monday. It
BartSMP [9]

Answer:

1 1/4 miles

Step-by-step explanation:

3/4 + 2/4 (1/2 = 2/4) = 5/4 = 1 1/4

3 0
2 years ago
Read 2 more answers
Andrew is showing his work in simplifying −4.5 + 4.2 + 5.6 − 7.3. Identify any errors in his work or in his reasoning.
julia-pushkina [17]

Answer:

  • D. Step 5

Step-by-step explanation:

Andrew made a mistake at last step.

<u>It should be:</u>

  • -11.8 + 9.8 = 9.8 - 11.8 = -2 but not -21.6
6 0
3 years ago
I need all the spaces filled in please :)
Artist 52 [7]

Answer:

3x + y = -16      

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given a system of equations are

        5x+6y =-5  

       - 2x  - 5y = -11

multiply '1' and Adding two system of equtions

                 + 1      (5x   +  6y   =  -5)

                + 1      (<u> -2x    -   5y  =   -11)</u>

                   <u>       3x    +    y   = -16           </u>

<u>Final answer:-</u>

                          5x   +  6y   =  -5

                        <u> -2x    -   5y  =   -11</u>

                   <u>       3x    +    y   = -16           </u>

<u />

7 0
3 years ago
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