Mathematics, 24.01.2021 01:20 lol6998
Dr. Grummann got his first job in 1990. In that year, the government took out 7.45% of each income for Social Security and Medicare until a person made $51,300. If Dr. Grummann earned $31,340 in 1990, how much did he pay in Social Security and Medicare?
Answers: 2
Mathematics, 21.06.2019 19:30
The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)
Answers: 3
Mathematics, 22.06.2019 00:30
Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.
Answers: 3
Mathematics, 22.06.2019 01:30
What is the value of x enter your answer in the box (3x+50
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Mathematics, 22.06.2019 05:00
Two trains leave a station on different tracks. the tracks make an angle of 130°, with the station as a vertex. the first train travels 100 km and makes its first stop at point a, while the second train travels 200 km and makes it first stop at point b. how far apart are the trains when both are at their first stop? round the answer to the nearest integer. a) 65 km b) 139 km c) 224 km d) 275 km
Answers: 2
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