an = ?

an = ?

Find the value of a (sub 4) - a (sub 3). I am expected to show my work.

there are choices, but i do not know how to get an answer without doing all the previous 19 terms...is there a formula to use? 1)80 2)91 3)95 4)101

What is the next number in this sequence 7 21 8 72 9.....I need to answer this question for a test and math has been a long time ago. What is the best way to relearn math sequences and probability...

an = ?

a) how many seats are in the last row? b)how many seats are in the entire theater?

each amount being 80% of the previous amount added. how many times must she fill the hot tub before the total amount of water is greater than 200 gallons? I need to show an algebraic approach...

Background information: nsin(1/n) diverges using the Test for Divergence. I was playing around on my calculator and I noticed that no matter what term number you use the output...

a. bn = 2n + 3 b. dn = (-1)n • n2

The first four terms of a sequence are 3/2, 15/16, 75/128, and 375/1024. Determine S24. Round your answer to four decimal places

On January 1, 2026 Janice put $450 in a savings account. She had to choose between two accounts. The account at her mothers bank pays 4.2% interest once at the end of the year. The account her fathers...

In the sequence 1,4,5,6,7,8,10,16,18,... each number after the first two is the next number that can be expressed as the sum of two previous numbers in only one way. For example,10 is included because...

In the sequence 1,4,5,6,7,8,10,16,18,... each number after the first two is the next number that can be expressed as the sum of two previous numbers in only one way. For example,10 is included because...

Math question

Musical tones. The note middle C on a piano is tuned so that the string vibrates at 262 cycles per second or 262 HZ (Hertz). The C note one octave higher is tuned to 524 HZ. The tuning for the 11...

Musical tones. The note middle C on a piano is tuned so that the string vibrates at 262 cycles per second or 262 HZ (Hertz). The C note one octave higher is tuned to 524 HZ. The tuning...

If a1+a2+a3+...+a80=2012 and the sequence has a common difference of 5, what is the sum of a2+a4+a6+...+a80? I cannot figure out how to do this! Any help...

Determine whether the sequence is increasing, decreasing, or not monotonic. an = 1/(6n+7) Is the sequence bounded? Yes or No? Explain.

Determine whether the sequence is increasing, decreasing, or not monotonic. an = 4n(−7)n Is the sequence bounded? Yes or No? Explain.

I need to know the next seven terms and the rule used to generate them.

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