Mathematics, 23.09.2019 12:10 bangbrokevo5685
John and 4 friends are going out for pizza for lunch. they split one pizza and 5 large drinks. the pizza cost $10.00. after using a $4.00 gift certificate, they spend a total of $13.50. write an equation to model this situation, and find the cost of one large drink.
Answers: 1
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What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?
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Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)
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Mathematics, 22.06.2019 01:30
Acell phone company offers two plans to its subscribers. at the time new subscribers sign up, they are asked to provide some demographic information. the mean yearly income for a sample of 40 subscribers to plan a is $45,000 with a standard deviation of $9,200. for a sample of 25 subscribers to plan b, the mean income is $64,300 with a standard deviation of $7,100. at the 0.025 significance level, is it reasonable to conclude the mean income of those selecting plan b is larger? assume unequal population standard deviations. hint: for the calculations, assume the plan a as the first sample. what is the decision rule? (negative amount should be indicated by a minus sign. round your answer to 3 decimal places.) compute the value of the test statistic. (negative amount should be indicated by a minus sign. round your answer to 2 decimal places.) what is your decision regarding h0 ? reject h0 fail to reject h0 compute the p-value. less than 0.01 between 0.01 and 0.025 between 0.025 and 0.05 between 0.05 and 0.10 greater than 0.10
Answers: 3
John and 4 friends are going out for pizza for lunch. they split one pizza and 5 large drinks. the p...
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