Reiny

Questions and answers by visitors named Reiny

Questions (36)

There is no function equation for the Fibonacci numbers, you have to use a Recursion formula.F(n) = F(n-1) + F(n-2) for n>2 and
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2. 523 views
let f(m)=m^3 + 3m^2 + 3m + 1notice f(-1) = 0, so m+1 is a factor. Using division, the answer is m^2 + 2m + 1 which factors once
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2. 720 views
Is there any way that the postings could be numbered?The post below this one by TONY obviously refers to a previous posting of
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2. 690 views
I assume the poster was trying to type "oblique asymptote"from your answer of 3x+2 + 7/(x-1) we can conclude that there is an
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2. 533 views
according to my interpretation of the question in October they would collect:the 10% of the August sales = .10($10,000) the 20%
1. 2 answers
2. 759 views
Complimentary angles add up to 90ºSo translate the English into Math. if you let the unknown angle be x then "the measure of
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2. 977 views
I trust you know about y = mx + bRealize that when you are given the x or y intercepts, you are really just given two points, in
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2. 820 views
how about (5-3)x2 + 8(5-2) ?To me these are really just "puzzles" and do not actually require much mathematical ability. The
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2. 425 views
Please take a look at DEVON's trig equation at 9:14I must be missing something obvious. If the second had been 3sin 2x it would
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2. 588 views
I don't know the physics behind Snell's Law, but I can do the mathSnell's Law says sin(angle of incidence)/sin(angle of
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2. 644 views
I hope that the diagram I have drawn for myself matches the one in your question.I have a triangle with sides 20 and 10 and an
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2. 642 views
On an x-y grid, label them N-S, E-W, draw a line from the origin to the right and label it 425 (you are going East)From the end
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2. 552 views
You did not watch your units, you are mixing inches and feetYour equation should have been 1/2 = 1/di + 1/120 (I changed 10 feet
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2. 992 views
<Thanks to computers, writing may soon become a lost art.>Leo, a similar prediction is often made about arithmetic since the
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2. 499 views
break it down into casesat most one day of rain in 3 days to me means we could have: norain norain norain ----> (1/3)^3 = 1/27
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2. 532 views
These are very easy to set up with a "chart"---------Distance-----Rate---Time (D=RxT) slow way --6x----------x-------6 fast way
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2. 488 views
Set it up this way:Let the number of students be x let the number of rows be y then the number of students per row is x/y This
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2. 545 views
This is "college" math?Anyway... let the smaller number be x, and the larger number be x+8 then x + x+8 < 12 this is easy to
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2. 752 views
other than factoring out the 9 there is really no simplification that can be made here9sqrt6 - 9sqrt2 =9(√6 - √2) can
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2. 413 views
3(2+3-2(4-5)2-1)-3(2+4(4-2)-8+3(2-5)+1-2)1-3)+4-5rather silly question, and some of it makes no sense eg look at the first part
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2. 797 views
At 11:37 and at 12:24 you posted the same questionthe earlier one was answered correctly by drwls by accepting your question the
1. 1 answer
2. 1,211 views
I saw your reply re my late night solution to your pumpkin questionhttp://www.jiskha.com/display.cgi?id=1224212047 I did indeed
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2. 557 views
"100 bushels of corn are divided among 100 men, women, and children. Men receive 3 bushels each, women 2 bushels and children
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You stated on Saturday that you understood my solution as far as part a) and b) were, so let me just recap what we did.(I will
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2. 482 views
Even though you mean well, your last three responses have been either incomplete or incorrect.The one to
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2. 536 views
Happy Pi Day to all math "nerds"Even Google changed their log today. http://www.squidoo.com/PiDay
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2. 621 views
Please do not add your new question as a response to somebody else's post.click on "Post a New Question" above to post your
1. 2 answers
2. 601 views
You now have 6 different posts going for the same "cake question"I am not going to keep going back to see which one you replied
1. 7 answers
2. 632 views
Several student tonight have asked me how I create the √ symbolto create √ symbol on a PC, hold down the Alt key, and at the
1. 7 answers
2. 823 views
I took some time to work out your rather "nasty" Calculus question.Take a look at it and see if it matches your expected result.
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2. 1,046 views
have been looking at your post ...http://www.jiskha.com/display.cgi?id=1357047578 interesting question... let the altitude of 12
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rehttp://www.jiskha.com/display.cgi?id=1368707176 I have a solution, but what a mess. Before I type it all out, let me know if
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2. 412 views
Please settle on one name
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2. 120 views
take a look at this questionhttp://www.jiskha.com/display.cgi?id=1446147947 Am I guilty of overkill or over-thinking this ?
1. 4 answers
2. 714 views
Peter, I found your question interesting and have been messing with it for a whilewww.jiskha.com/questions/1789041/Ethel-went-to
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2. 846 views
Ms. Sue was a kind, gentle, and good person that I had the privilege of knowing through this webpage. I have been a tutor for
1. 83 answers
2. 4,466 views