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3 years ago

Help please :,))))))))

Mathematics

2 answers:

gayaneshka [121]3 years ago

6 0

Answer: You're in an advanced Math Class. 3 of them are girls and 8 of them are boys.

Step-by-step explanation: The ratio of kids from girls to boys is 3:8

Inessa [10]3 years ago

4 0

Answer:

Example :

A soccer team played 8 games and won 3.What is the ratio of the number of wins to the number of games played?

Step-by-step explanation:

Hope this helps!!! :)))

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Goryan [66]

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3 years ago

Decide wheather the Change is an increase or decrease and find the percent change original number =45 new number =18

oee [108]

Answer:

40% decrease

Step-by-step explanation:

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3 years ago

What is the equation parallel to 4y-3x=8

Andreyy89

Answer:

Whatever option has a slope of 3/4 and isn't y = 3/4x + 2

Step-by-step explanation:

This means that it has to have a slope of 3/4 (written as 3/4x + b). This is because parallel lines have the same slope; rearranging the first equation gets us y = 3/4x + 2. So, our slope for a parallel line has to be 3/4.

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3 years ago

Susie wants to buy a snowboard that cost $530. She has already saved $98 for it. She makes $72 a week babysitting. Which inequal

Alex777 [14]

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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: