Mathematics, 27.09.2019 14:00 juliopejfuhrf7541
Which rational numbers when multiplied by -1/2 will result in a positive rational number as the product and why? a) any negative rational number because the product of two negative rational numbers is a positive rational number b) any even rational number because the product of a rational number and an even rational number is a positive rational number c) any rational number greater than 1/2 because the product of two rational numbers takes the sign of the greater rational number d) any rational number greater than 0 because the product of a negative rational number and a positive rational number is a positivie rational number
Answers: 2
Mathematics, 21.06.2019 18:30, Division101
Write the rational number in lowest terms 99/-15
Answers: 2
Mathematics, 21.06.2019 18:40, calebhoover03
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 21:30, brittanysanders
Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.
Answers: 2
Which rational numbers when multiplied by -1/2 will result in a positive rational number as the prod...
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