Please help me solve for13 and 14

Mathematics

1 answer:

deff fn [24]2 years ago

4 0

Answer:

13. A

14. True

Step-by-step explanation:

The months cancel out because they are the same unit in the right positions, and all you have to do for the second one is multiply

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I you were flipping a nickel a dime and a quarter how many possible outcomes are possible for getting heads or tails

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3 years ago

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: