Mathematics, 12.11.2020 16:50 funnybugy16
Don and 3 friends went to the movies. They originally had a total of $40. Each boy had the same amount of money and spent $7.50 on a ticket. How much money did each boy have left after buying his ticket ? Write the algebraic equation and solve.
Answers: 3
Mathematics, 21.06.2019 19:00
Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?
Answers: 1
Mathematics, 21.06.2019 22:00
Two numbers have a sum of -19. one number is x. what expression represents the other number?
Answers: 2
Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
Don and 3 friends went to the movies. They originally had a total of $40. Each boy had the same amou...
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