3 years ago

Which quantity can be described as changing at a constant rate?

Mathematics

1 answer:

SSSSS [86.1K]3 years ago

3 0

Answer:

321

Step-by-step explanation:

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InWrite the equation of the line that passes through (7, - 4) and (- 1, 2) slope- intercept form.

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Answer:

General Equation of a Line

$General Equation \\(y - y_{1} )= m (x-x_{1}) \\Slope=m= \frac{x_{2}-x_{1} }{y_{2}-y_{1} } \\\\Given:\\p_{1}=(7,-4)\\p_{2}=(-1,2)\\Solution:\\m=(\frac{-1-7}{2-(-4)}) =\frac{-8}{6}\\y-(-4) = (\frac{-8}{6} )(x-7)\\y+4=\frac{-8x}{6} + 56\\y=\frac{-8x}{6} + 52 \\\\The\\ equation \\ is \\ y=\frac{-8x}{6} + 52$

Step-by-step explanation:

Find the slope first and then place the values on the general formula. The final step is to solve for y

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6) On a trip to his grandparents, Donny drove 60 miles per hour for 45 minutes and 50 miles per hour for 30 minutes. How many mi

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Please help! asap <br> d- 5.44

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The price for the items ordered at lunch was $23.45. How much would the price be after tax and tip if the tax rate is 8% and you

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Cost of items = $23.45

Tax = 8% of $23.45 = 0.08*23.45 = $1.88
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Answer: $30.02

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