Determine the first three terms in the sequence

Determine the first three terms in the sequence

Find the indicated sum of each arithmetic series.

Find sum of all numbers from 50 to 350 which are divisible by 6. Hence find the 15th term of that A.P.

A. 5 B. -5 C. 2/3 D. 3/2

In January, you start a holiday savings account with a deposit of $20. You decide to increase each monthly deposit by five dollars until the end of the year. How much money will you have saved by...

Showing results for The sum off the first three term of an arithmetic sequence is 219 and the sum of the first nine terms in the same sequence is 603. find the fifth term.

Each time a theater group performs, the director hopes that five more audience members will attend. Seventeen people attended the first performance. How many audience members does the director expect...

An auditorium has 15 rows with 20 seats in the front row, and 2 more seats in each row thereafter. How many seats are there in the last row?

The first term of an arithmetic sequence is 3 and the eleventh term is 23. Find the expression to find the nth term.

For 6 I know the answer is 150. I''m getting confused about the not divisible by 9 part

Let X-2, X, X+3 Be the first 3 terms of a geometric sequence. Find the value of X…

Matrioshka dolls are Russian nesting dolls where bigger doll houses a smaller doll, and so on, as suggested in the picture. Suppose the doll’s weight progresses in a geometric pattern. If the largest...

Bricks are stacked like the following. In the example shown, the height of the stack is 4. How many bricks in total are needed to make a stack of height 20? ...

The terms of sequence called the triangle numbers are the sums of the consecutive positive integers. The first term of the sequence is defined as 1. The second term is the sum of 1+2=3, the third...

On Alfredo's 10th birthday, his mother began giving him a weekly allowance of $10 and each week the allowance would increase by $0.50 if he did all his homework. How many weeks would it take for the...

Violin lesson fees start at $46 per hour in january, 1990, and gradually increased by $2.5 every year. How much is the hourly cost in January of 2014? Hint: it's not a good idea to just apply tn=t1...

If the first term is -3 and a half and the common difference is 1.3, state the 18th term

Prove Sn-1 > 2(n1/2 - 1) for all n ∈ Ν \ {1} where Sn = 1/√1 + 1/√2 + 1/√3 + ... + 1/√n

identify the common difference and find the next three terms

-30,-22,-14,-6,...; 20th term

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