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Ein klinisches Studienzentrum hat zu Beginn des Jahres 2.400 Patienten eingeschrieben. Bis Juni werden 630 Patienten entlassen, 380 neue Patienten aufgenommen und 210 Patienten wechseln in andere Studien (nicht verloren). Wie viele Patienten sind derzeit aktiv in der Studie?
Neue aufgenommen: 1.770 + 380 = 2.150
Gesamtsumme: 42 + 48 + 55 + 50 + 47 = 242
A car travels 120 miles in 2 hours, then stops for 30 minutes, and continues to travel another 180 miles in 3 hours. What is the average speed of the car for the entire trip, including the stop time?
The total distance traveled is 120 miles + 180 miles = <<120+180=300>>300 miles.
The total time taken is 2 hours + 0.5 hours + 3 hours = <<2+0.5+3=5.5>>5.5 hours.
A loan of $5,000 is taken at an annual interest rate of 6%, compounded monthly. How much will the loan amount to after 2 years?
P = $5,000, r = 0.06, n = 12, t = 2.
A rectangular prism has dimensions 4 cm by 6 cm by 9 cm. If each dimension is increased by 50%, what is the new volume?
A circle has a chord of length 8 cm that is 3 cm from the center. What is the radius of the circle?
