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3 years ago

Graph the line that represents this equation: y + 2 = (1+2) Drawing Tools Select Point Line

Mathematics

1 answer:

Setler79 [48]3 years ago

5 0

Answer:

Look at the desmos graph below

Step-by-step explanation:

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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:

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

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

$k_{1} = \frac{7}{2}$

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

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

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

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

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

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

Since $k_{1} = k_{2} = k_{3}$ , the constant of proportionality is 3.5.

8 0

3 years ago

The process of moving a figure to a different location is called:

Kisachek [45]

The process of moving a figure to a different location is called TRANSFORMATION.

5 0

3 years ago

HELP PLZ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Yakvenalex [24]

Answer:

B. BC ≅ LM

Step-by-step explanation:

BC corresponds to LM. These are the only two sides without the hash marks that represent congruence. If the marks were there to indicate that the sides are congruent, then the triangles could be proved congruent by SSS.

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3 years ago

Composite function is the result of using one function as the input for another function.

ipn [44]

Answer:

True

Step-by-step explanation:

That is the definition of composite function

3 0

3 years ago

Whatis the value of x in the equation<br> x -<br> y = 30, when y = 15?<br> 8

Ostrovityanka [42]

Answer:

x=45

Step-by-step explanation:

30+15=45

4 0

3 years ago

Graph the line that represents this equation: y + 2 = (1+2) Drawing Tools Select Point Line​

Graph the line that represents this equation: y + 2 = (1+2) Drawing Tools Select Point Line