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vredina [299]
3 years ago
10

A painter rented a wallpaper steamer at 9 am and returned it at 4pm. He paid a total of 28.84. What is the rental cost per hour

Mathematics
2 answers:
serg [7]3 years ago
7 0

Answer:9 to 4 is 7 hrs divide 7 into 28.84 you get 4.12 so answer is $4.12 an hour

Step-by-step explanation:

lina2011 [118]3 years ago
4 0

Answer: $4.12 per hour

Step-by-step explanation:

Count the number of hours (7)

Divide 28.84 by 7 which gives you 4.12

Mark me as brainliest if this helps!

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Elijah buys a jersey that costs $56.00. His bank account balance is now -$6.50. Which math sentence describes how much he owes?
soldier1979 [14.2K]
It would be (B) > $6.00 since he owes $6.50, which is a larger value than $6.00.
5 0
3 years ago
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Solve for equation √-5p=√24-p
blsea [12.9K]

Answer:


Step-by-step explanation:

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p2-5p-24=0  

Two solutions were found :

    p = 8

    p = -3  

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "p2"   was replaced by   "p^2".  

Step by step solution :

Step  1  :

Trying to factor by splitting the middle term

1.1     Factoring  p2-5p-24  

The first term is,  p2  its coefficient is  1 .

The middle term is,  -5p  its coefficient is  -5 .

The last term, "the constant", is  -24  

Step-1 : Multiply the coefficient of the first term by the constant   1 • -24 = -24  

Step-2 : Find two factors of  -24  whose sum equals the coefficient of the middle term, which is   -5 .

      -24     +     1     =     -23  

      -12     +     2     =     -10  

      -8     +     3     =     -5     That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -8  and  3  

                    p2 - 8p + 3p - 24

Step-4 : Add up the first 2 terms, pulling out like factors :

                   p • (p-8)

             Add up the last 2 terms, pulling out common factors :

                   3 • (p-8)

Step-5 : Add up the four terms of step 4 :

                   (p+3)  •  (p-8)

            Which is the desired factorization

Equation at the end of step  1  :

 (p + 3) • (p - 8)  = 0  

Step  2  :

Theory - Roots of a product :

2.1    A product of several terms equals zero.  

When a product of two or more terms equals zero, then at least one of the terms must be zero.  

We shall now solve each term = 0 separately  

In other words, we are going to solve as many equations as there are terms in the product  

Any solution of term = 0 solves product = 0 as well.

Solving a Single Variable Equation :

2.2      Solve  :    p+3 = 0  

Subtract  3  from both sides of the equation :  

                     p = -3

Solving a Single Variable Equation :

2.3      Solve  :    p-8 = 0  

Add  8  to both sides of the equation :  

                     p = 8

8 0
3 years ago
Solve 8=3r-1 step by step
tatuchka [14]
1+8=3r
9=3r
Both divided by 3
3=r
7 0
2 years ago
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What is the solution set to 8(2x - 3) s 20 - 4X?
Zolol [24]

Answer:

d

Step-by-step explanation:

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2 years ago
Solve this problem please <br> x/3+6-2x=-6
Nikolay [14]

Answer:

36/5

Step-by-step explanation:

x/3 + 6 -2x = -6

multiply the whole equation by 3 to get rid of the denominator of the first x term.

x+18-6x = -18

move x terms to one side and numerical terms to the other, subtract 18 from both sides in this case

x+18-6x-18=-18-18

x-6x = -36

simplify

-5x = -36

divide both sides by -5 to isolate x

x = -36/-5

=36/5

3 0
3 years ago
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