What is the distance between the points (5,2) and (-9,-2)?
1 answer:
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Answer: First portion is greater than second portion.
Step-by-step explanation:
Time taken to hiked down a trail = 10 minutes
Change in elevation = (-) 170 feet
Speed is given by
Similarly,
Time taken to hiked down a trail = 20 minutes
Change in elevation = (-)220 feet
Speed is given by
So, we can see that first portion of the hike where he hiked down a trail at a steady rate for 10 minutes and her change in elevation was (-) 170 feet, was her rate of change in elevation greater.
<u>As 17 feet per minutes is greater than 11 feet per minutes.</u>
Step-by-step explanation:
pen=1.35 + pencil......1
5pen+8pencil=13.5 calculate this for pen
pen=13.5-8pencil/5.....2 combine equation 1$2
