Answers: 1
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: 2
Mathematics, 21.06.2019 22:30
21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?
Answers: 1
Mathematics, 22.06.2019 00:30
Kevin has a spinner that has 10 equal sections and 2 sections of each color—red, blue, green, yellow, and purple. kevin spins the spinner 180 times. kevin determines about how many times the spinner will land on red or green, and his work is shown below. -kevin has the formula reversed; it should be the total number of sections over the number of red or green sections. -kevin should have used a 4 in the numerator because there are 2 red sections and 2 green sections. -kevin should multiply by the number of sections in the spinner rather than the total number of spins. -kevin calculated the prediction correctly and did not make any mistakes.
Answers: 1
Mathematics, 22.06.2019 01:30
What is the value of x enter your answer in the box (3x+50
Answers: 2
7,652x5 please regroup I don’t understand :(...
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