Mathematics, 31.01.2021 14:40 whocares1234
PLEASEE HELP!!
How long would it take a ball to reach the ground if the height was modeled by
h(t) = -4t2 + 12t + 100, where t is the time in seconds?
A) about 6.7 seconds
B) about 7.6 seconds
C) about 3.7 seconds
D) about 5.2 seconds
Answers: 3
Mathematics, 21.06.2019 17:00, sciencecreation87
Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.
Answers: 1
Mathematics, 21.06.2019 17:20, ryleepretty
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
PLEASEE HELP!!
How long would it take a ball to reach the ground if the height was modeled by
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