Mathematics, 21.07.2019 12:30 adore81i
Which equation shows an example of the associative property of addition? (–7 + i) + 7i = –7 + (i + 7i) (–7 + i) + 7i = 7i + (–7i + i) 7i × (–7i + i) = (7i – 7i) + (7i × i) (–7i + i) + 0 = (–7i + i)
Answers: 2
Mathematics, 21.06.2019 21:20
Do you mind if you guys me with this question i’m on number 8
Answers: 1
Mathematics, 21.06.2019 21:30
How does reflecting or rotating a figure change the interior angles of the figure?
Answers: 2
Mathematics, 22.06.2019 00:30
Select the correct answer. employee earnings per month($) 1 1,200 2 2,600 3 1,800 4 1,450 5 3,500 6 2,800 7 12,500 8 3,200 which measure of spread is best for the data in the table? a. range b. quartiles c. interquartile range d. mean absolute deviation
Answers: 2
Mathematics, 22.06.2019 02:30
According to a research study, parents with young children slept 6.4 hours each night last year, on average. a random sample of 18 parents with young children was surveyed and the mean amount of time per night each parent slept was 6.8. this data has a sample standard deviation of 0.9. (assume that the scores are normally distributed.) researchers conduct a one-mean hypothesis at the 5% significance level, to test if the mean amount of time parents with young children sleep per night is greater than the mean amount of time last year. the null and alternative hypotheses are h0: μ=6.4 and ha: μ> 6.4, which is a right-tailed test. the test statistic is determined to be t0=1.89 using the partial t-table below, determine the critical value(s). if there is only one critical value, leave the second answer box blank.
Answers: 3
Which equation shows an example of the associative property of addition? (–7 + i) + 7i = –7 + (i +...
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