Mathematics, 26.07.2021 06:10 euraleecewilliams
Greg drove at a constant speed in a rainstorm for 282 miles. He took a break, and the rain stopped He then drove 250 mies at a spoed that was 3 miles per hour faster than his previous speed. If he drove for 11 hours, find the car's speed for
each part of the trip
The rate of the car in the rain was mph.
Answers: 1
Mathematics, 21.06.2019 16:30
Hi my sisters and brothers can tell me the answer because i don’t understand the question
Answers: 1
Mathematics, 21.06.2019 21:30
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
Greg drove at a constant speed in a rainstorm for 282 miles. He took a break, and the rain stopped H...
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