Mathematics, 22.07.2019 10:30 tiffanyrhoda
On two tests so far this year, a student received a 78 and a 93. the student wants an average between 80 and 90 inclusive. what are all of the possible scores for the third test so that the student falls within this average?
Answers: 1
Mathematics, 21.06.2019 13:30
Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
Answers: 3
Mathematics, 21.06.2019 13:40
Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7
Answers: 1
On two tests so far this year, a student received a 78 and a 93. the student wants an average betwee...
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