Mathematics, 19.12.2019 02:31 flynwildozfuf5
Tracy, joyce, mark and sarah collect key chains. they have an average of 68 keychains. joyce has half as many as mark. sarah has 28 fewer than the total number of keychains that joyce and mark have. how many keychains does mark have?
Answers: 2
Mathematics, 21.06.2019 18:30
The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude
Answers: 3
Mathematics, 21.06.2019 19:00
What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?
Answers: 1
Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Mathematics, 21.06.2019 21:00
If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?
Answers: 1
Tracy, joyce, mark and sarah collect key chains. they have an average of 68 keychains. joyce has hal...
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