2. Find the value of x for which l | | m.
1 answer:
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Answer:
D.) (-10, 0)
Step-by-step explanation:
(Important:) When you are looking at coordinate points, remember that inside the parenthesis the number on the left (-10 in this case) is the x-coordinate, and the number on the right (0 in this case) is the y-coordinate.
The reason why point D.) is the correct answer, is because when you have your y-coordinate at 0, it must touch the bottom of the y-axis (or line) in order for it to be on the x-axis. But remember that this specific rule only applies now because the y-coordinate is 0. The letter A.) may look correct because it has a 0, but upon placing it on a graph, we notice that it is on the y-axis and not the x-axis.
I have added an attachment of the graph with all points plotted.
I hope that this helps.
Answer:
21 ÷ 1.4
Step-by-step explanation:
Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour.
The temperature had fallen 21 degrees, so it passed
hours after she had first checked the thermometer.
She had first checked the temperature at 3 p.m.