Which expression is exactly equivalent to 5a + 3b + 4 + 7a + 9 ?
Expression 1: 8a + 11b + 9
E...
Mathematics, 10.01.2021 21:20 anaroles04
Which expression is exactly equivalent to 5a + 3b + 4 + 7a + 9 ?
Expression 1: 8a + 11b + 9
Expression 2: 12a + 3b + 13
Expression 3: 5a + 10b + 13
Expression 4: 14a + 10b + 4
Answers: 2
Mathematics, 21.06.2019 16:30
The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms
Answers: 3
Mathematics, 21.06.2019 17:30
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 1
Mathematics, 21.06.2019 17:30
Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?
Answers: 2
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