Mathematics, 06.12.2020 15:40 brinjay430
At the start of 2017 there are 4000 fish in a lake. Each year, the number of fish increases by 20% of 4000. Find the the number of fish at the end of 2019
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
Mathematics, 22.06.2019 00:30
Suppose that the function f is defined. , for all real numbers, as follows. _ \ 1/4x² -4 if x≠ -2 f(x)=< /_-1 if x=-2 find f(-5), f(-2), and f(4)
Answers: 3
Mathematics, 22.06.2019 02:00
Which fraction represents the ratio 35 : 42 in simplest form
Answers: 1
At the start of 2017 there are 4000 fish in a lake. Each year, the number of fish increases by 20% o...
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