Mathematics, 31.01.2020 13:54, binks3350
The formula to find the area a of a rectangle is a=lw, where l is the lenght of the of the rectangle and w is the width of the rectangle. find the total area of the garden.
lenght is- 7ft
width-9ft
and little square in the coner is- 4ft
Answers: 1
Mathematics, 21.06.2019 17:00, heysonic91
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
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Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?
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Mathematics, 22.06.2019 02:20, FaygoMango
If wxyz is a square, which statements must be true?
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Mathematics, 22.06.2019 02:30, Leii691
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
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