Mathematics, 11.02.2021 17:50 monk68
4. Sue bought a jacket and a shirt. The shirt was 40% the cost of
the jacket.
Write an expression that represents the total cost of the jacket and
shirt.
Sue had $100 and spent $65 on the jacket. Write and solve an
equation to find how much Sue had after making her purchases.
Answers: 3
Mathematics, 21.06.2019 15:30
Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11
Answers: 3
Mathematics, 21.06.2019 19:40
Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297
Answers: 1
Mathematics, 21.06.2019 23:30
Tim earns $120 plus $30 for each lawn he mows.write an iniqualityvto represent how many lawns he needs to mow to make more than $310
Answers: 2
4. Sue bought a jacket and a shirt. The shirt was 40% the cost of
the jacket.
Write an expres...
Write an expres...
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