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Mathematics, 21.10.2019 22:30 tracijp
Which choices are solutions to the following equation?
check all that apply.
x^2-5x=-9/4
a. x = 2
b. x = -1
c. x = 0.5
d. x = 4.5
Answers: 1
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
Mathematics, 21.06.2019 21:50
6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution
Answers: 1
Mathematics, 22.06.2019 00:00
Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64
Answers: 3
Which choices are solutions to the following equation?
check all that apply.
check all that apply.
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