Use the arithmetic sequence of numbers 1, 3, 5, 7, 9,…to find the following:
a) What is d, the difference between any 2 terms?
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b) Using the formula for the nth term of an arithmetic sequence, what is 101st term?
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c) Using the formula for the sum of an arithmetic sequence, what is the sum of the first 20 terms?
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d) Using the formula for the sum of an arithmetic sequence, what is the sum of the first 30 terms?
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e) What observation can you make about these sums of this sequence (HINT: It would be beneficial to find a few more sums like the sum of the first 2, then the first 3, etc.)? Express your observations as a general formula in "n."
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2007-03-11 13:19:41 · 3 answers · asked by Anonymous in Entertainment & Music ➔ Jokes & Riddles
Once again more of a question for the math folks - but I will answer anyway:
a)3.14159265358979323846264338327950288
b)101n
c)n+3n+5n+7n+9n+11n+13n........etc...
d)see above but go about 10 more.
e)
n is cool
n is great
I can't wait
to masterbate
2007-03-11 15:48:38 · answer #1 · answered by Rickey W 5 · 0⤊ 1⤋
Why did rickey give you Pi as an answer? it doesn't have anything to do with the question you asked. ignore rickey he's an idiot.
2007-03-12 02:40:13 · answer #2 · answered by kyle_pillsbury 2 · 1⤊ 1⤋
Shouldn't this stuff be in your math book?
2007-03-11 21:11:44 · answer #3 · answered by RidiculousTallness 5 · 1⤊ 0⤋