Mathematics, 13.06.2020 10:57 cdubble04
Two planes start from Los Angeles International Airport and fly in opposite directions. The second plane starts 1/2 hour after the first plane, but its speed is 105 kilometers per hour faster. Find the airspeed of each plane if 2 hours after the first plane departs the planes are 3500 kilometers apart.
Answers: 3
Mathematics, 21.06.2019 21:30
Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 ยท 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 ยท 2 = 12 7 - 4 = 11 or 6 + 3 = 9
Answers: 1
Mathematics, 22.06.2019 01:50
Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?
Answers: 3
Mathematics, 22.06.2019 02:30
Aresearch study is studying the effects of a new drug for osteoporosis alzheimer's disease (ad) for women above the age of 65 years. a group of individuals with osteoporosis is randomized into two groups. one group is treated conventionally, and the second group is treated with the new medication. assessments are made at 3, 6, 12, 36, and 48 months. the conventionally treated group is assessed for ad using a serum blood test, and the treatment group is assessed for ad using a pet radiotracer that binds to beta-amyloid plaques. in comparing these 2 trial arms, the authors of the study may encounter which type of bias? a. selection bias on the risk of developing b. measurement bias c. confounding bias d. recall bias e. lead-time bias
Answers: 2
Two planes start from Los Angeles International Airport and fly in opposite directions. The second p...
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