Which mathematical sentence is represented by the diagram?

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

7 0

3^2 + 4^2 = 5^2

answer is A) 3^2 + 4^2 = 5^2

DaniilM [7]3 years ago

3 0

It tis A

A- 3^2 + 4^2 = 5^2

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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: