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GREYUIT [131]
3 years ago
5

What is the measuring of angle x?

Mathematics
1 answer:
docker41 [41]3 years ago
4 0
42 + 90 +x = 180

x = 180 - 132

x = 48

see picture:

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Step-by-step explanation:

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Regina spent $45.50 over 6 1/2 months on music downloads. If she spent the same amount of money each month, how much money did R
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Does the table show a direct proportional relationship? If so, what is the constant of proportionality?
lesantik [10]

Answer:

C. Yes, 3.5.

Step-by-step explanation:

If there is a relationship of direct proportionality for every ordered pair of the table, then the constant of proportionality must the same for every ordered pair. The constant of proportionality (k) is described by the following expression:

k = \frac{y}{x} (1)

Where:

x - Input.

y - Output.

If we know that (x_{1}, y_{1}) = (13, 45.5), (x_{2}, y_{2}) = (14, 49) and (x_{3}, y_{3}) = (15, 52.5), then the constants of proportionalities of each ordered pair are, respectively:

k_{1} = \frac{y_{1}}{x_{1}}

k_{1} = \frac{45.5}{13}

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k_{2} = \frac{y_2}{x_2}

k_{2} = \frac{49}{14}

k_{2} = \frac{7}{2}

k_{3} = \frac{y_{3}}{x_{3}}

k_{3} = \frac{52.5}{15}

k_{3} = \frac{7}{2}

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Step-by-step explanation:

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Step-by-step explanation:

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4 0
2 years ago
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