Mathematics, 16.10.2019 05:10 microwave13016
The number n of people using the elevator in an office building every hour is given by n = t2 ā 10t + 40. in this equation, t is the number of hours after the building opens in the morning, 0 ā¤ t ā¤ 12. will the number of people using the elevator ever be less than 15 in any one hour? use the discriminant to answer.
Answers: 3
Mathematics, 21.06.2019 16:30
You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:
Answers: 1
Mathematics, 21.06.2019 18:00
Solve 2^x=32 and rewrite this equation in a logarithmic form
Answers: 2
Mathematics, 21.06.2019 18:00
Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items
Answers: 1
Mathematics, 21.06.2019 21:30
Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true
Answers: 2
The number n of people using the elevator in an office building every hour is given by n = t2 ā 10t...
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