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never [62]
3 years ago
9

Kali left school and traveled toward her friend’s house at an average speed of 40

Mathematics
1 answer:
ioda3 years ago
3 0
Matt needs to travel 3 hours. 
If 40km=1 hour
   400km=? But there are two distances
200/40*1=5 hours
Therefore Kali needs to travel 5 hours to be 200 km away from the house.
If 50km=1 hour
200km=?
200/50*1hr=4hrs Therefore Matt needs to travel 4hrs to be 200 km away from the house. But Kali traveled 1hr earlier than Matt. 4hrs-1hr=3hrs
Therefore Matt has to travel for 3 hours to be 400km away from Kali.
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Answer:

What is P(A), the probability that the first student is a girl? (3/4)

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What is P(A), the probability that the first student is a girl? (3/4)What is P(B), the probability that the second student is a girl? (3/4)What is P(A and B), the probability that the first student is a girl and the second student is a girl? (1/2)

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The Slope of lines parallel to line is 1/2 and the Slope of lines perpendicular  to line is -2.

<h3>What is the equation of a straight line ?</h3>

An equation that can be written in the form of y = mx+c

where m is the slope of the line

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The equation given in the question is

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For parallel Lines

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-1/m

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Therefore the slope for perpendicular line is -2.

To know more about Straight Line equation

brainly.com/question/959487

#SPJ1

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