Mathematics, 18.12.2020 20:00 harrisakeeyah
A repairman charges an inspection fee plus $20 per hour. A customer with a coupon for 40% off the inspection fee pays $110 for a 4-hour repair. How many hours are worked when a customer pays $90 without a coupon?
Answers: 1
Mathematics, 21.06.2019 22:30, sonaihriley
Abucket of paint has spilled on a tile floor. the paint flow can be expressed with the function p(t) = 6(t), where t represents time in minutes and p represents how far the paint is spreading. the flowing paint is creating a circular pattern on the tile. the area of the pattern can be expressed as a(p) = 3.14(p)^2 part a: find the area of the circle of spilled paint as a function of time, or a[p(t)]. show your work. part b: how large is the area of spilled paint after 8 minutes? you may use 3.14 to approximate pi in this problem.
Answers: 2
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