Mathematics, 02.04.2020 23:36 NetherisIsTheQueen
Alexis has the following grades in his math class: Homework grades: 80, 100, 90, Quiz grades: 84, 90, 72, Test grades: 64, 72. If the teacher weights Homework at 10%, Quizzes at 20%, Tests at 60%, what is her current class average? Be careful with this one, the categories do not sum to 100% because she has not taken her final exam yet.
70
74
78
82
Answers: 1
Mathematics, 21.06.2019 16:00
Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).
Answers: 2
Mathematics, 22.06.2019 02:20
Combine like terms to create an equivalent expression. make sure to simplify coefficients and constants as well. -6/5-2/3v+4/15+1/3v
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
Alexis has the following grades in his math class: Homework grades: 80, 100, 90, Quiz grades: 84, 90...
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