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• Yesterday, 05:55 PM
Please use the basic rules of logarithms. \log(a) + \log(b) = \log(a\cdot b) a\cdot\log(b) = \log\left(b^{a}\right)
2 replies | 30 view(s)
• 09-20-2018, 07:03 PM
The real question is, what is it that you are trying to do? Why would the "Interest Rate" be substantially different from the "APR"? That makes no...
8 replies | 114 view(s)
• 09-18-2018, 05:14 PM
Failing to do it is called "error". It is not a valid step in any list I ever have encountered. It is a device to remember that equivalence must...
4 replies | 103 view(s)
• 09-18-2018, 05:11 PM
Can it be inside? I would extend all four sides of the square, defining 8 external regions. this gives only three things to do, depending on...
4 replies | 95 view(s)
• 09-17-2018, 10:21 PM
I stand by #3. "Circumference" can be either the distance around something, not necessarily a circle, or the enclosing boundary itself.
5 replies | 96 view(s)
• 09-17-2018, 08:38 PM
1) line SEGMENT 2) Definition. A circumference must enclose something. 3) Sometimes, the circumference may refer to the linear distance only, and...
5 replies | 96 view(s)
• 09-17-2018, 05:25 PM
If only there were a way to know what the machine wants. Maybe add units? Maybe two decimal places?
6 replies | 88 view(s)
• 09-17-2018, 04:36 PM
Come now, Elissa. Math doesn't hate you. :-) In this case, you have reasoned it out nicely. You need just one more clue from the problem...
3 replies | 62 view(s)
• 09-17-2018, 10:40 AM
Rather than argue with the hint, why not think about what the Central Limit Theorem does an give the question more thought? The Central Limit...
2 replies | 75 view(s)
• 09-16-2018, 01:49 AM
Have you tried left C^{-1}? Why do you believe it can be done?
9 replies | 181 view(s)
• 09-14-2018, 01:36 PM
It is possible that some author with some specific purpose will name whatever shape the author needs to invent. This is most likely a matter of...
7 replies | 153 view(s)
• 09-13-2018, 03:26 PM
Why must it have a name? Call it "Steve", if you like. It is somewhat reminiscent of a "Luna" from Projective Geometry, but not a real close...
7 replies | 153 view(s)
• 09-13-2018, 03:19 PM
What have you tried? How do you think it works? Is there a difference between ADDED constants and MULTIPLIED constants? For any constant, c,...
3 replies | 110 view(s)
• 09-11-2018, 09:12 PM
Frankly, if those are possibly, you already proved your mettle with the solutions to 10 and 18. Keep trying!
12 replies | 320 view(s)
• 09-11-2018, 09:09 PM
Lovely problem statements. Let's see your best efforts, shall we? Draw two pictures?
1 replies | 92 view(s)
• 09-11-2018, 02:34 PM
There is enough information. 1982 ==> 1982 - 1982 = 0 ==> S(0) = 210(0) + 500 = 000 + 500 = 500 = 1982 sales. 1983 ==> 1983 - 1982 = 1 ==> S(1) =...
2 replies | 93 view(s)
• 09-11-2018, 02:24 PM
What is \dfrac{d}{dx}x^{x}? Otherwise, I suppose I could be a fun problem to work out with the definition of a derivative. :-)
1 replies | 80 view(s)
• 09-10-2018, 06:20 PM
Various ways exist to go about it. What do you know of the Rational Root Theorem? Is your Synthetic Division all practiced up?
2 replies | 92 view(s)
• 09-10-2018, 06:18 PM
Have you considered a different problem? "no more than one" = "not both" Don't always just stick with the given language. Recast the problem...
1 replies | 80 view(s)
• 09-06-2018, 07:09 AM
Please do not delete. Excellent example. Sometimes, it just helps to talk it out. Good work. What you did was recast the problem, from one of...
5 replies | 262 view(s)
• 09-06-2018, 07:04 AM
Absolutely agreed. There ARE strategies, just not of the variety suggested. :-)
3 replies | 105 view(s)
• 09-05-2018, 09:29 PM
Come on. Give it a go. Surely you can count it up. Hint: 5000\;tokens * \dfrac{30\;seconds}{2\;tokens}
2 replies | 167 view(s)
• 09-05-2018, 09:26 PM
If you reload the cards and reshuffle after each hand, the process has no memory and there is no such thing as an advantageous betting strategy based...
3 replies | 105 view(s)
• 09-05-2018, 09:20 PM
How are you getting the Day Names in there? Can't you just count the Saturdays?
1 replies | 149 view(s)
• 09-04-2018, 12:50 PM
Great. Let's see some of that algebra. If\;\sqrt{x^{2} + x + 1}\;is\;rational,\;what\;does\;that\;say\;of\;x^{2} + x+...
7 replies | 224 view(s)
• 09-03-2018, 12:16 PM
Not making a ton of sense. Why is "Consumption" part of income? What does "Y(I)" mean? Is that multiplication or function notation? If "I"...
9 replies | 201 view(s)
• 09-01-2018, 06:46 PM
Seems as though some have assumed that B > A means B WINS. I don't see it in the problem statement.
8 replies | 292 view(s)
• 09-01-2018, 01:30 PM
You can just build a table. Player A rolls a 2, Player B can roll anything. Player A rolls a 3, or 4, or 5, or 7, Player B can roll anything....
8 replies | 292 view(s)
• 08-30-2018, 09:41 AM
#1 Decide if "order matters". Is "Steve and Margaret" a different invitation from "Margaret and Steve"? #2 b1 is a favorite. Just tape them...
3 replies | 157 view(s)
• 08-29-2018, 03:03 PM
Any way you can and in such a way that all the requirements are met.
3 replies | 171 view(s)
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