GreenHerbz206

29.11.2019 • 

Mathematics

Lena deposits the same amount of money into a bank account every month. the table below shows the amount of money in the account after different amounts of time. time (months) 6 8 10 12 money (dollars) 467 557 647 737 answer the following questions. (a)choose the statement that best describes how the time and the amount of money in the account are related. then give the value requested.  as time increases, the amount of money in the account decreases. at what rate is the amount of money in the account decreasing? dollars per month  as time increases, the amount of money in the account increases. at what rate is the amount of money in the account increasing? dollars per month (b)how much money was already in the account when lena started depositing money? i dont get it plz answer fast

Ответ:

TVASALLO31

15.05.2020

Mathematics

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1) cos (150°)=- cos(180°-150°) = - cos(30°) and  - cos30° =  - √(3) / 2

sin(150°) = sin(180°-150°) =sin30. and sin30° = 1/2

Then : 5/2(cos 150° + i sin 150°) becomes : 5/2{(-√(3) /2 + I (1/2)]

OR 5/4( - √3 + i)

Step-by-step explanation:

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