Jedithious

16 Questions
24 Answers

0

4139

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the sin of 150 degrees

Hi,

Here's a short problem which I can in fact do on my own but I'd just like to know what the shortest most efficient method of solving it is:
прочитайте больше ..

SevenUP ●●●●●●

Jedithious 1 июл. 2014 г.

0

2873

6

+154

Pendulum Trigonometry

Here's a tricky one that I could use an explanation and answer to:
прочитайте больше ..

Alan ●●●●●●

Jedithious 1 июл. 2014 г.

0

3754

6

+154

Capilano Suspension Bridge Problem

A trigonometry problem:
прочитайте больше ..

heureka ●●●●●●

Jedithious 25 июн. 2014 г.

0

995

3

+154

Moons of Saturn Problem

Here's a surface area ratio problem of which I could use some help:
прочитайте больше ..

Jedithious 25 июн. 2014 г.

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1663

7

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Measurement problem (1)

Here are a few measurement problems I would appreciate some help with:
прочитайте больше ..

Alan ●●●●●●●

Jedithious 14 июн. 2014 г.

+8

1878

11

+154

Fraction Problem

Hi,

It would be great if someone could explain the process entailed in solving this problem:
прочитайте больше ..

Rom ●●●●●●●●●●●

Jedithious 16 мая 2014 г.

0

1052

2

+154

Graphing Conic Sections

Hello,
I was wondering if anyone knows of any apps that can graph such things as ellipses, circles, and hyperbolas?
I certainly have a few apps in which you can enter a function and get a graph for it, but what about being able
to input such прочитайте больше ..

Jedithious 6 апр. 2014 г.

0

1012

4

+154

Hi, it would be great if someone could give me explanations for how to solve this species of math problem:

Hi, it would be great if someone could give me explanations for how to solve this species of math problem:
Write an expression for the distance between each pair of points (in terms of coordinate geometry).
a) (a, b) and (2a, 2b)
b) (x, 2y) прочитайте больше ..

Jedithious 16 мар. 2014 г.

0

935

2

+154

Coordinate Geometry

Hi,
there are a few coordinate geometry problems giving me trouble:
1. "The vertices of a right triangle are S(-2,-2), (T(10, -2), and R(4,5). Find the area of the triangle."
(I got 42 square units as the answer but the book says the answer прочитайте больше ..

Jedithious 11 мар. 2014 г.

0

1069

2

+154

Chess tournament Problem

The contestants in a chess tournament were numbered from 1 to 18. When the players were paired for the first game, the sum of the two numbers for each pair was a perfect square. What were the pairings for the first game?

Jedithious 27 янв. 2014 г.

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919

3

+154

Mean/Average

"The mean or average of six numbers is 33. Four identical numbers are added, and the new mean of the ten numbers is 39. What is the value of each new number added?"

Jedithious 27 янв. 2014 г.

0

1163

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+154

Hello, I'm on a page in my math book with all sorts of fun but slightly unusual 'using the strategies' problems. Most of the problems require specific

Hello, I'm on a page in my math book with all sorts of fun but slightly unusual 'using the strategies' problems. Most of the problems require specific techniques and or some degree of creativity to solve. I shall post all the problems that I could use help прочитайте больше ..

Jedithious 27 янв. 2014 г.

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1730

16

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Alteration of Digits in Integers Problem

How in the world does one go about solving this? Is it even possible? It must be if it is on a math test...(An Olympiad Test, mind you.)
"Which integers have the following property? If the final digit is deleted, the integer is divisible by the new number? прочитайте больше ..

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Jedithious 1 дек. 2013 г.

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Palindrome Problem

What is the procedure to solve a problem like this?
A number is palindromic, if it is the same backwards as forwards.
Of the largest palindrome made from the product of two two-digit numbers, find one of the numbers.
a) 92
b) 89 c) прочитайте больше ..

Jedithious 30 нояб. 2013 г.

0

961

5

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Posting

Is there a limit to how many posts one can make in, say, an hour (or a day)?
Like, theoretically could one submit a a thousand different questions in one day if one was actually genuinely curious enough?
Or is there a certain number limit which when прочитайте больше ..

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Jedithious 30 нояб. 2013 г.

+154

+6

(9*50) - (2*25) - 10 - 6 = 384

I really like this game.

Jedithious30 дек. 2013 г.

+154

0

Thank you Misz.Lopez for the encouraging answer and welcome to this forum. That's the exact attitude I was hoping to see in users when I first clicked onto this .

Jedithious3 дек. 2013 г.

+154

0

That is exactly what I wanted. A way to reduce and organize this seemingly complicated idea/requirement into something as clear and workable as an algebra formula. Due to your explanation of the logic I am now fully satisfied and convinced. Thanks for taking the time to solve this and explain it.

Jedithious3 дек. 2013 г.

+154

0

Uh oh. I wonder if there is a strict systematic method or concept that exists to solve this...Or if they just expect us to test out different theories until we find one without contradictions.

(an example of what I mean by 'concept' is 'cyclicity', which is necessary to solve problems like what is the units digit of 9 to the power of 56).

Jedithious1 дек. 2013 г.

+154

0

I think your answer 'any integer ending with zero' is probably indeed the only answer which doesn't have any counterexamples. You don't need to explain the logic of it...I'm so tired of this problem haha...Anyways, thank you for taking the time to help me with this.

Jedithious1 дек. 2013 г.

+154

0

Oh dear, yes. Sorry, this nasty little problem is making my brain fuzzy. And one that does actually work is 55 obviously.

Jedithious1 дек. 2013 г.

+154

0

Definitely comfortable with algebra. Comfortable with all of Grade 11 and some of 12.

Jedithious1 дек. 2013 г.

+154

0

105, but I just realized that 5 actually doesn't work because the number 25 contradicts it. (25 is not divisible by 2.)

Jedithious1 дек. 2013 г.

+154

0

Seems like your answer 'when the last digit is 5' always works, though.

I definitely understand that any integer with the last digit is 0 will work...But any logic as to the process of which you deduced it would be much appreciated.

Jedithious1 дек. 2013 г.

+154

0

Hello Melody, likewise.

Thanks for the answer to that and my palindrome problem; I found it on an interesting site full of all the types of strange math questions which I don't know the precise procedure for solving and therefore am usually frustrated by. I would like to post all such questions I find until my ability to organize the seemingly-only-do-able-through-brute-force-aka-trial-and-error problems into clear methodical procedures is such that I will no longer dread, but rather look forward to those problems my math books usually catch me off guard with. Well, there's a lot of 'em. Better get posting .

Jedithious

Jedithious1 дек. 2013 г.