Mathematics, 06.11.2020 18:10 chimmyy14
3. Scientists determined that the rate y (in calories per minute) at which you use energy while
walking can be modeled by y=0.00849(x-90.2)2 +51.3 where x is your walking speed (in meters
per minute). What speed minimizes energy use? (90.2, 51.3)
The two after the parenthesis should be an exponent
Answers: 3
Mathematics, 21.06.2019 12:30
The two-way table shows the number of people whose hobbies are reading or solving puzzles and who either ride a motorcycle or don’t ride a motorcycle. among people whose hobby is reading, what is the relative frequency of not riding a motorcycle? express your answer as a decimal, and round it to the nearest hundredth if necessary. enter your answer in the box. reading solving puzzles ride a motorcycle 7 3 don't ride a motorcycle 5 9
Answers: 1
Mathematics, 21.06.2019 19:20
Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.
Answers: 3
Mathematics, 21.06.2019 21:30
Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?
Answers: 1
3. Scientists determined that the rate y (in calories per minute) at which you use energy while
wal...
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