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denis-greek [22]
3 years ago
15

Clare is painting some doors that are all the same size. She used 2 liters of paint to cover

Mathematics
1 answer:
grigory [225]3 years ago
3 0

Answer:

I think it's 1 1/4 liters of paint for one door

Step-by-step explanation:

First you have to turn it to an improper fraction

1.) 1 3/5 = 8/5

Then you have to proportion the fraction with the 2 liters (L=liters)

2.) 2/(8/5)

= 10/8 L

3.) Next you convert the fraction to a mixed number

10/8 L --> 8/8 + 2/8 = 1 1/4 L

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Answer:

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2. y = \frac{12}{7}x

3. Domain: 0≤x≤7

Range: 0≤y≤12

Step-by-step explanation:

1. Assuming 1 unit = 1 box on the grid, therefore, coordinates of C and D would be:

C(0, 0),

D(7, 12)

Slope = m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{12 - 0}{7 - 0} = \frac{12}{7}

2. Equation of the using the slope-intercept formula, y = mx + b, where,

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b = y-intercept, which is where the line CD cuts the y-axis = 0

Plug in the values for m and b into the formula to get the equation of the line:

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y = \frac{12}{7}x

3. The domain for C to D part = all x-values = 0≤x≤7

The range = all y-values = 0≤y≤12

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