Mathematics, 14.10.2019 16:10, jack6563
When the price of cakes rises by $1 each, i obtain 4 fewer cakes for $1680. find the original price of a piece of cake.
Answers: 2
Other questions on the subject: Mathematics
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
Mathematics, 22.06.2019 04:00, Piercey4642
Maria has $10,000 to invest in two accounts. he decides to invest one part in an account with 5% interest and the rest in an account with 8% interest. at the end of the year he has earned $702,50 in interest.¿how much did maria invest in the 8% account?
Answers: 2
Do you know the correct answer?
When the price of cakes rises by $1 each, i obtain 4 fewer cakes for $1680. find the original price...
Questions in other subjects:
Chemistry, 26.06.2020 15:01
