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Modeling functions using variation Military. The ratio of the speed of an object to the speed of sound determines the Mach number. Aircraft traveling at
Modeling functions using variation
Military. The ratio of the speed of an object to the speed of sound determines the Mach number. Aircraft traveling at a subsonic speed (less than the speed of sound) have a Mach number less than 1. In other words, the speed of an aircraft is directly proportional to its Mach number. Aircrafts traveling at a supersonic speed (greater than the speed of sound) have a Mach number greater than 1. The speed of sound at sea level is approximately 760 mph. The U.S. Air Force's newest fighter aircraft is capable of Mach 0.7. How fast can the aircraft fly at sea level? The aircraft has a speed of mph at sea level. Investments. Connie and Alvaro sell their house and buy a fixer-upper house. They made $110,000 on the sale of their previous home. They know it will take 4 months before the general contractor will start their renovation, and they want to take advantage of a 4- month CD that pays simple interest. What is the rate of the 4-month CD if they will make $6600 in interest? The annual percentage rate of the 4-month CD is %
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