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Sholpan [36]
3 years ago
5

A plumber charges $65 per hour to fix a leak. What is an equation that relates to the total cost of a leak repair c to the numbe

r of hours h it takes the plumber to fix the leak?
Mathematics
1 answer:
Ratling [72]3 years ago
3 0

Answer:

The equation is C = 65h

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Answer:

40 miles per hour

Step-by-step explanation:

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3 years ago
Read 2 more answers
consider the line 4x+9y=-8find the equation of the line that is perpendicular to this line and passes through the point (-2, -2)
levacccp [35]
\begin{gathered} \text{The equation of the line is,} \\ 4x+9y=-8 \\ 9y=-4x-8 \\ y=-\frac{4}{9}x-\frac{8}{9} \\ \text{The slope is}\Rightarrow m=-\frac{4}{9} \\ perpendicular\text{ slope}\Rightarrow m^{\prime}=\frac{9}{4} \\ 1. \\ x_1=-2,y_1=-2 \\ So,\text{ the perpendicular equation of line is} \\ y-y_1=m^{\prime}(x-x_1) \\ y+2=\frac{9}{4}(x+2) \\ 4y+8=9x+18 \\ 4y=9x+10 \\ y=\frac{9}{4}x+\frac{5}{2}(\text{Ans)} \\ 2. \\ The\text{ parallel equation is,} \\ y-y_1=m(x-x_1) \\ y+2=-\frac{4}{9}(x+2) \\ 9y+18=-4x-8 \\ 9y=-4x-26 \\ y=-\frac{4}{9}x-\frac{26}{9}(\text{Ans)} \end{gathered}

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Step-by-step explanation:

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A) To cook 1/2 cup of rice, the package tells you that you also need 1 cup of water. The the total volume of ingredients is
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b) According to the package the ratio of water to rice is
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Susan's ratio is incorrect. Susan is using "1" for the total of ingredients, instead of 2+1 = 3. The correct ratio is 2:3.
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3 years ago
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