Mathematics, 14.03.2022 21:40 taviiii3993
A boat can travel at a speed of 20km/h in still water. The current in a river flows at 5km/h so that downstream the boat flows at 25km/h and upstream it travels at only at 15km/h. The boat has only enough fuel to last 3 hours. The boat leaves its base and travels downstream. Draw a distance-time graph and draw lines to indicate the outward and return journeys. After what time must the boat turn back around so that it can get back to base without running out of fuel?
Answers: 3
Mathematics, 21.06.2019 19:00
Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18
Answers: 1
Mathematics, 21.06.2019 20:00
Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?
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Mathematics, 21.06.2019 21:00
If a is a nonzero real number then the reciprocal of a is
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A boat can travel at a speed of 20km/h in still water. The current in a river flows at 5km/h so that...
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