12 through 14 just need help with 3 questions
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Mathematics, 21.06.2019 13:10
Aresearch company wants to test the claim that a new multivitamin to improve short term memory. state the objective of the experiment, suggest a population, determine the experimental and control groups, and describe a sample procedure.
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Mathematics, 21.06.2019 14:20
If sin Īø=24/25 and 0 less than or equal to Īø less than or equal to Ļ/2, find the exact value of tan 2Īø. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7
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Mathematics, 21.06.2019 16:00
The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100
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Mathematics, 21.06.2019 17:50
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.
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