Mathematics, 16.07.2021 22:40 ja3698198
T(m)=-70 +280 × e ^ -0.45m
where m is in minutes and T is in degrees Fahrenheit. How many minutes will it take for the object to cool to 100 degrees? show step to your solutions and round answer to the nearest whole minute.
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pleease help.
Answers: 3
Mathematics, 21.06.2019 19:00
Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet
Answers: 2
Mathematics, 22.06.2019 00:00
Aspacecraft can attain a stable orbit 300 kilometers above earth if it reaches a velocity of 7.7 kilometers per second. the formula for a rocket's maximum velocity v in kilometers per second is vequalsminus0.0098tplusc ln upper r, where t is the firing time in seconds, c is the velocity of the exhaust in kilometers per second, and r is the ratio of the mass of the rocket filled with fuel to the mass of the rocket without fuel. find the velocity of a spacecraft whose booster rocket has a mass ratio of 20, an exhaust velocity of 2.1 km/s, and a firing time of 15 s. can the spacecraft achieve a stable orbit 300 km above earth?
Answers: 3
T(m)=-70 +280 × e ^ -0.45m
where m is in minutes and T is in degrees Fahrenheit. How many minutes w...
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