Mathematics, 23.03.2021 19:20 queenliz855
On a standardized exam, the scores are normally distributed with a mean of 750 and a standard deviation of 25. Find the z-score of a person who scored 775 on the exam.
Answers: 3
Mathematics, 21.06.2019 13:10
(a) solve h+2/6 = h-3/4(b) solve the following simultaneous equations. 2x = y + 66x - 2y = 13x = ? y = ?
Answers: 1
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
Mathematics, 21.06.2019 18:30
Nick has box brads. he uses 4 brads for the first project. nick letβs b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 21.06.2019 19:00
How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)
Answers: 1
On a standardized exam, the scores are normally distributed with a mean of 750 and
a standard devia...
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