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Veseljchak [2.6K]
3 years ago
8

20 Points and will give brainliest to the first correct answer!

Mathematics
2 answers:
olga55 [171]3 years ago
8 0

Answer:

x= -1  x=0

Step-by-step explanation:

olga2289 [7]3 years ago
3 0

Answer:

−1 −12 −12 1 1 12

Step-by-step explanation:

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A hardware store rents vacuum cleaners that customers may use for part or all of a day, up to 12 hours, before returning. The st
jek_recluse [69]

The flat fee that the store charges is $14 and the cost for 7 hours is $56

A linear equation is on the form:

y = mx + b

where y, x are variables, m is the rate of change and b is the initial value of y.

let f for the total rental cost of a vacuum cleaner for x hours

Using the points (1, 20) and (3, 32) from the table:

f-f_1=\frac{f_2-f_1}{x_2-x_1} (x-x_1)\\\\f-20=\frac{32-20}{3-1} (x-1)\\\\f(x)=6x+14

The flat fee that the store charges is $14

The reasonable domain is 1 ≤ x ≤ 12

The cost for 7 hours is:

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Find out more on linear equation at: brainly.com/question/14323743

4 0
2 years ago
An adult pass at the amusement park costs 1.6 times as much as a child's pass.
Ket [755]

Answer:

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Step-by-step explanation:

5x1.6=8

10x1.6=16

i need help with w

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3 years ago
the length of a rectangle is 3 units shorter than one -third of the width, x. Which expression represents the perimeter of the r
Mariana [72]

Answer:

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Let the width of the rectangle be x units.

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3 years ago
Is ratio 4.2:1.5 proportional to 12.6:4.5
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