One estimate of the population of the world on January 1,2005 is 6,486,915,022. The pop. is estimated to be increasing at the rate of 1.4% per year. At this rate, what will the population of the world...

One estimate of the population of the world on January 1,2005 is 6,486,915,022. The pop. is estimated to be increasing at the rate of 1.4% per year. At this rate, what will the population of the world...

1/4+2/4+22/4+23/4+...+2n-1/4

I need help please

Given the geometric sequence: a 0 = 9 , a 1 = 15 , a 2 = 25 , ... a0=9, a1=15, a2=25, ... find a formula...

I need help

please explain how you would go about doing this sum.

Three numbers form an arithmetic sequence with a common difference of 11. If the first number is decreased by 6, the second number is decreased by 1 and the...

The seventh term, u7, of a geometric sequence is 108. The eighth term, u8, of the sequence is 36. (a) Write down the common ratio of the sequence. (b) Find...

_____,____,1,-3,9

Please help :)

The third term of a geometric sequence is 12 and the fifth term is 16/3. All the terms in the sequence are positive. Calculate the value of the common ratio. Can someone please guide...

What is the fourth and fifth term of this sequence.

Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence. 2, 5, 8, 11,.... an...

Find the next three terms in the geometric sequence. 800, 200, 50, 25/2, ...

1,0,-2,-5,_,_

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