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3 years ago

What is the slope of (2 , -2) (0,4)

Mathematics

2 answers:

lesya [120]3 years ago

7 0

Answer:

The slope is -3

Step-by-step explanation:

$\frac{y}{x}$

You do the change in y over the change in x

$\frac{-2 - 4}{2 - 0}$

which equals

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

Bogdan [553]3 years ago

5 0

Answer:

-3

Step-by-step explanation:

The slope for two points is found by

m = (y2-y1)/(x2-x1)

= (4--2)/(0-2)

= (4+2)/(0-2)

= (6/-2)

=-3

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2 years ago

On a road trip, you drive about 70 miles per hour and your friend drives about 60 miles per hour. The plan is to drive less than

lord [1]

Answer: The answer is 0 hours and 10 hours.

Step-by-step explanation: Given that me and my friend are on a road trip. My speed is 70 miles per hour and my friend's speed is 60 miles per hour. Our plan is to drive less than 15 hours and at least 600 miles each day.

Also, my friend will drive more hours than me.

Let, 'x' and 'y' be the number of hours drove by me and my friend respectively. Then, according to the given information, we have the following inequalities.

$y>x,\\\\x+y$

When we plot these inequalities in a graph paper, we can see in the attached figure, where the common shaded region gives the solution set, one of the solution is point 'P', given by

x = 0 and y = 10.

This solution satisfy all the three conditions given above.

Thus, one of the solution is - I will drive for 0 hours and my friend will drive for 10 hours.