Mathematics, 10.07.2019 18:00 nikidastevens36
1. julia ran and bikes for a total of 40 miles in 5.8 hours. her average running speed was 5.5 mph. her average biking speed was 13.5 mph. let x = total hours julia ran ley y = total hours julia biked use substitution to solve for x and y. show all work. round answers to nearest tenth. a) how many hours did julia run? b) how many hours did julia bike?
Answers: 1
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Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)
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Mathematics, 22.06.2019 01:30
Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. x + y = 5 x + y = 7 {} 1 solution infinite
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1. julia ran and bikes for a total of 40 miles in 5.8 hours. her average running speed was 5.5 mph....
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