itsmichelle29
  • itsmichelle29
The function f(t) = 5 cos(pi over 4 t) + 11 represents the tide in Dark Sea. It has a maximum of 16 feet when time (t) is 0 and a minimum of 6 feet. The sea repeats this cycle every 8 hours. After six hours, how high is the tide?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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itsmichelle29
  • itsmichelle29
i medal and fan help !!!!!!!!!
anonymous
  • anonymous
I was thinking just plug in 6 for t, but that for whatever reason that's not working. Is t in hours?
itsmichelle29
  • itsmichelle29
so .. ummm

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itsmichelle29
  • itsmichelle29
that would give me 16..........?
anonymous
  • anonymous
actually plugging in 6 does work. It gives 11
itsmichelle29
  • itsmichelle29
sure ?
anonymous
  • anonymous
yeah just plug it in to check
itsmichelle29
  • itsmichelle29
okay thank can u help me on two more plz only
itsmichelle29
  • itsmichelle29
@peachpi
itsmichelle29
  • itsmichelle29
@peachpi
anonymous
  • anonymous
?
itsmichelle29
  • itsmichelle29
A group of people were given a personality test to determine if they were Type A or Type B. The results are shown in the table below: Male Female Type A 65 85 Type B 38 12 Compare P(Male or Type B) with P(Male | Type B). P(Male or Type B) > P(Male | Type B) P(Male or Type B) = P(Male | Type B) P(Male or Type B) < P(Male | Type B) There is not enough information.
itsmichelle29
  • itsmichelle29
Bobby is testing the effectiveness of a new cough medication. There are 100 people with a cough in the study. Seventy patients received the cough medication, and 30 other patients did not receive treatment. Thirty-four of the patients who received the medication reported no cough at the end of the study. Twenty of the patients who did not receive medication reported no cough at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that they reported no cough? 63% 53% 38% 43%
anonymous
  • anonymous
I thought you meant trig questions. I hate statistics. Sorry
itsmichelle29
  • itsmichelle29
Okay can someone else help me plz
itsmichelle29
  • itsmichelle29
and i well medal and fan
itsmichelle29
  • itsmichelle29
??????? can u guys help me

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