Mathematics, 21.07.2019 08:30 samarkanduzbek
Simplify the expression: x2 + x(x – 5) – x + 7 a. 2x2 – 6x + 7 b. x3 –5x + 7 c. 6x2 – x + 7 d. –5x2 – x + 7
Answers: 1
Mathematics, 21.06.2019 14:10
You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.
Answers: 3
Mathematics, 21.06.2019 15:10
The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.
Answers: 1
Mathematics, 21.06.2019 18:00
In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a.ab=bc b.bc=xy c.ab=wx d.
Answers: 1
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
Simplify the expression: x2 + x(x – 5) – x + 7 a. 2x2 – 6x + 7 b. x3 –5x + 7 c. 6x2 – x + 7 d. –5x2...
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