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zahraa244
03.08.2021 •
Mathematics
In triangle ABC , X and Y are points on line AB such that line AX = line YB . similarly , P and Q are points on line AC such that line AP =line PQ= line QC . Line XC cuts line YQ at Z.
prove that
a. Z is the midpoint of line XC
b. line YZ = 3 of line ZQ.
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Ответ:
Answers:
a) 72 km per hourb) 3 meters per secondc) 0.20 dollars or 20 cents per lemond) 50 dollars per dayExplanation:
a) Divide the distance over time to get the unit rate, which is the speed in this case. Speed = distance/time = 288/4 = 72 km per hour. b) Like before, divide the distance over time to get 75/25 = 3 meters per second.c) We want the cost of 1 lemon. So we'll divide the total cost over 7 to get (1.40)/7 = 0.20 dollars = 20 cents per lemond) Divide the total cost over the 5 day period. This will get the cost of each day. So we have a unit cost of 250/5 = 50 dollars per day.