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stich3 [128]
3 years ago
7

A graph has a constant of proportionality of 7.2. Let y represent minutes and x represent miles.

Mathematics
1 answer:
vodka [1.7K]3 years ago
4 0

Answer:

  7.2 minutes per mile

Step-by-step explanation:

If we assume the description means y = 7.2x, the rate 7.2 means each increase in x of 1 mile results in an increase in y of 7.2 minutes. That is the rate is 7.2 minutes per mile.

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8 0
4 years ago
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Which is the simplified form of the expression
erica [24]

Answer:

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Step-by-step explanation:

eliminate parenthese by multiplying all exponents inside parentheses by the exponent outside the parentheses:

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x⁻⁶y⁴ ÷ x⁸y¹² = x⁻¹⁴y⁻⁸ = 1/x¹⁴ · 1/y⁸

put it all together to get:

4÷(x¹⁴y⁸)

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3 years ago
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