Mathematics, 08.04.2020 20:16 SuperWoman9172

James copied a symbol on each of 9 equal-sized strips of paper. He put a dot on 2 of them, a dash on 2 of them, and a pound sign on 5 of them. Then, he put all the strips in a hat and pulled out 3 at random. How many different symbol combinations were possible?

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:30

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Answers: 3

Answer

Mathematics, 22.06.2019 02:00

15 oranges weigh 3.75 kilograms (kg). if each orange weighs approximately the same, approximately how much does each orange weigh?

Answers: 3

Answer

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

Answer

Mathematics, 22.06.2019 04:00

In may you used 400 kilowatt-hours of energy for electricity. a. calculate the total electrical energy use in joules. b. calculate your average power use in watts. c. assume that your power supplier generates electricity by burning oil. note that 1 liter of oil releases 12 million joules of energy. how much oil is needed to generate the electricity you use? give your answer in both liters and gallons. a. the total electrical energy use was nothing _ joules. (type an integer or a decimal.) b. the average power use is nothing _ watts. (round to the nearest whole number as needed.) c. to generate the electricity you used, nothing _ l is needed. (round to the nearest whole number as needed.) to generate the electricity you used, nothing _ gal is needed. (round to two decimal places as needed.)

Answers: 1

Answer

You know the right answer?

James copied a symbol on each of 9 equal-sized strips of paper. He put a dot on 2 of them, a dash on...

Questions