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notsponge [240]
2 years ago
9

Is 50.2 a rational or an irrational number, why?

Mathematics
1 answer:
Greeley [361]2 years ago
4 0

Answer:

Rational.

Step-by-step explanation:

\textbf{A rational number is a real number that can be expressed as}~ \dfrac{p}{q},\\\\\textbf{where}~ p~ \textbf{and}~ q~ \textbf{are integers.}\\\\ \boxed{50.2 = \dfrac{502}{10}}\\\\ \textbf{50.2 can be expressed as a ratio of two integers,}~ \textbf{so it is a rational number.}

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lisov135 [29]
A= 50. 2.5+10= 12.5/2= 6.25x8= 50
5 0
3 years ago
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D2 =81-1 find the positive value of d that makes the equation true
Lubov Fominskaja [6]
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So:
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The total bill for dinner, including tax, was $65.81. In Indiana there is a 7% sales tax. What was the price of the meal before
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Answer:

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Step-by-step explanation:

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goldfiish [28.3K]

Complete question:

Rich is comparing the cost of maintaining his car with the depreciation value of the car.

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Answer:

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Step-by-step explanation:

Depreciation is modeled by an exponential function :

A = p(1 - r)^t [decrease, '-']

A = 20,000(1 - 0.15)^t

A = 20000(0.85)^t - - - (1)

Maintainace cost :

A = p(1 + r)^t ; [increase, '+']

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Equating (1) and 2

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t = 9.01

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