Mathematics, 26.08.2021 19:40 janisia10
A car's rear windshield wiper rotates 120°. The total length of the wiper mechanism is 21 inches and the length of the wiper blade is 11 inches. Find the area wiped by the wiper blade. (Round your answer to one decimal place.)
Answers: 1
Mathematics, 21.06.2019 18:00
State if the two triangles are congruent. if they are, state how you know?
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Mathematics, 21.06.2019 21:00
Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
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Mathematics, 21.06.2019 22:00
Find the value of x in each case. give reasons to justify your solutions! d q ∈ pr
Answers: 3
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
A car's rear windshield wiper rotates 120°. The total length of the wiper mechanism is 21 inches and...
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