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2 years ago

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Can someone help me with this please

1 answer:

Natasha2012 [34]2 years ago

6 0

Answer: -6 -2

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

What does 2/3 - 2/4 equal?<br> I need the steps on how to get the answer please!!

alina1380 [7]

$\frac{2}{3} - \frac{2}{4}\\\\\frac{2}{3} - \frac{1}{2} = \frac{1}{6}$

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

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3 years ago

What is the definition for center

vlada-n [284]

Answer:

the center- like- of a bowel- is the middle- bru.h im trying to be mean but ;-;

Step-by-step explanation:

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3 years ago

What is the answer for 5÷27

valentinak56 [21]

.185, round to .19 04 .2

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3 years ago

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Brett is making a fruit salad. The recipe calls for 1 1 2 cups of apple, 3 4 cup of oranges, and 2 3 cup of grapes. How many cup

natita [175]

I believe he made 169 cups of fruit salad, or is it a trick question?

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3 years ago

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