January 2017

You deposit 1,000 into a 9 percent account today. At the end of two years, you will deposit another 3,000. In five years, you plan a 4,000 purchase. How much is left in the account one year after the purchase?

Anybody can solve this?
Thank you.

Hi what is the clear process of this
Thanks for your help.

lim 1-cos x / x^2
->0

ans.= 0.5

Hello all guys ! Can somebody please explain me how to solve this problem,i got exam which is coming closer and closer with every single day.Probably the problem will be easy for you,but I am new to this science (3-th semester in uni,and this things are new to me)So here is the task,from the exam.
 

A reservoir is in the form of a frustum of a cone with upper base of radius 9 ft and lower base of radius 4 ft and altitude of 10 ft. The water in the reservoir is x ft deep. If the level of the water is increasing at 4 ft/min, how fast is the volume of the water in the reservoir increasing when its depth is 2 ft ?

hey i need your help. please answer this question.please
1.a point moves so that the product of the distance from (0,6) and (9,0) is twice the ratio of its ordinate to its abscissa .find the equation of the locus.?

Kinda need some help.