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Alchen [17]
3 years ago
13

The given information were that Robi has run the first 4 miles of a race in 30 minutes and she reached the 6 mile point after 45

minutes. It is positive, negative, zero or undefined? The slope is 2/15 miles/minute
Mathematics
1 answer:
strojnjashka [21]3 years ago
6 0

Answer:

Positive

Step-by-step explanation:

Slope: (6-4)/(45-30)

= 2/15

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When x = 2, y = 50 and when x = 4, y = 100. Which direct variation equation can be used to model this function?
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Well, let's first write these as points.

( 2 , 50 )

( 4 , 100 )

We can see that when "x" is reduced by 2, "y" is reduced by 50. This means that if we reduce "x" by 1, "y" will be reduced by 25. Thus, we can say that if "x" is 1, "y" will be 25.

( 1 , 25 )

What we know that 25 * 1 = 25, and that 2 * 25 = 50. We can see that multiplying "x" by 25 will give us our "y". We can now write this as an equation.

y = 25x
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3 years ago
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Free_Kalibri [48]

Answer:

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hjlf

Answer:

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