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Colt1911 [192]
3 years ago
11

The price of your favorite jeans was $35 last month. This month the price was $42. What is the percent change from last month to

this month?
Mathematics
1 answer:
Elina [12.6K]3 years ago
8 0
20% was added to the price of jeans to make it $42
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Suppose that a household's monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hu
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Answer:

The monthly cost for 9 HCF is $38.54

Step-by-step explanation:

<em>The graph is missing; however, the question can still be solved</em>

Given

Slope = 1.55

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Required

Determine the monthly cost for 9 HCF

From the question, we understand that it is a linear function;

Linear functions are of the form

y = mx + b

Where y is the function of x and m is the slope

In this case; the function is the monthly water bill

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Solving for b

When monthly cost = $47.84, Amount of water = 15 HCF

The function is as follows;

47.84 = 1.55 * 15 + b

47.84 = 23.25 + b

Subtract 23.25 from both sides

47.84 - 23.25= 23.25 - 23.25 + b

24.59 = b

b = 24.59

Solving for the monthly cost for 9 HCF

Here, we have that

x = Amount\ of\ water = 9

m = Slope = 1.55

b = 24.59

Substitute these values in the linear function; y = mx + b

y = 1.55 * 9 + 24.59

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What is the area of a circle that has a diameter if 6 inches?
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uppose a large telephone manufacturer has a problem with excessive customer complaints and consequent returns of the phones for
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