Mathematics, 25.07.2019 03:30 niyah2224
Manuel builds and sells wooden crates. he made this table to show how much his crates cost in dollars. number of crates 2 4 6 8 cost ($) $25 $45 $65 $85 which equation represents this situation, where x is the number of crates and y is the cost? a)yโ2=โ10(xโ25) b) yโ85=10(xโ8) c)yโ65=โ10(xโ6) d)yโ4=10(xโ45)
Answers: 2
Mathematics, 21.06.2019 21:00
To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay
Answers: 1
Mathematics, 22.06.2019 01:00
Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.
Answers: 2
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
Mathematics, 22.06.2019 02:30
In july, the average temperature in one us city was 29ยฐc. by december, the average temperature had fallen by 29ยฐc. explain why the average temperature in december was 0ยฐc.
Answers: 3
Manuel builds and sells wooden crates. he made this table to show how much his crates cost in dollar...
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