Solve the following system by the substitution method.
1/4x+2/3y=-17/4
3x-y=3...
Mathematics, 05.11.2019 10:31 jay1462
Solve the following system by the substitution method.
1/4x+2/3y=-17/4
3x-y=3
Answers: 3
Mathematics, 21.06.2019 23:40, jennyferluna0216
Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.
Answers: 1
Mathematics, 22.06.2019 02:30, arrichardson787
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
Mathematics, 22.06.2019 04:40, anonymousanon
Which of the following is a function? click on the graph until the correct graph appears.
Answers: 1
Mathematics, 15.04.2020 01:39
Mathematics, 15.04.2020 01:39