pythagoras123
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Questions Answered

lilai3:
Describe these parts of a comet: head, nucleus, coma, tail.
 updated 7 days ago
 1 reply
 No Medals Yet
Mathematics

pythagoras123:
Points A and B are the respective x and yintercepts of the line y+xc=0. Given that the length of AB is 4 units, find the positive value of…
 updated 6 days ago
 23 replies
 3 Medals
Mathematics

cmenendez55:
what is the slope of 4y=x+4
 updated 7 days ago
 1 reply
 1 Medal
Mathematics

pythagoras123:
A rectangular block of clay measures 10 cm by 8 cm by 6 cm. Leonard used some of it to make three 4 cm cubes. He used the rest of the clay t…
 updated one year ago
 3 replies
 1 Medal
Mathematics

pythagoras123:
At an art exhibition, there were 280 men and 450 women in Hall A. In Hall B, there were 220 men and 665 women. Some men moved from Hall A to…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

Marzattack:
what is 4.1 written in decimal form?
 updated one year ago
 6 replies
 2 Medals
Mathematics

pythagoras123:
Geometrical Question: See attachment
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

pythagoras123:
Three different integers from 1 to 11 are selected. In how many of these combinations of 3 numbers are their sums a multiple of 3?
 updated one year ago
 29 replies
 4 Medals
Mathematics

selma:
One pump can drain a pool in 7 minutes. When a second pump is also used, the pool only takes 5 minutes to drain. How long would it take the …
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

pythagoras123:
\left(\begin{matrix}5 \\ 7\end{matrix}\right)
 updated one year ago
 1 reply
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Mathematics

pythagoras123:
\huge \underbrace{\text{Hello!}}_{\text{Shayaan_Mustafa}}
 updated one year ago
 1 reply
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Mathematics

pythagoras123:
\medium\underbrace{\text{99..99}}_{\text{2000 9s}}
 updated one year ago
 1 reply
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Mathematics

pythagoras123:
Solve
\[\frac{2 X 4 X 6 + 6 X 12 X 18 + 10 X 20 X 30 + 14 X 28 X 42 + 18 X 36 X 54}{1 X 3 X 5 + 2 X 6 X 10 + 4 X 12 X 20 + 8 X 24 X 40}\…
 updated one year ago
 5 replies
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Mathematics

pythagoras123:
Solve this algebraic equation, and show your working stepbystep.
\[\frac{180}{v}\] + \[\frac{9v 180}{1.2v}\] = 8
…
 updated one year ago
 6 replies
 1 Medal
Mathematics

pythagoras123:
Algebra Question: Show your working and how you solve this equation, step by step.
…
 updated one year ago
 1 reply
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Mathematics

pythagoras123:
How many rectangles can be formed from a 5 X 6 grid? (see attachment)
 updated one year ago
 3 replies
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Mathematics

pythagoras123:
A teacher has 5 different presents to share among 3 students. He distributes the presents in three identical boxes (that cannot be distingui…
 updated 2 years ago
 19 replies
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Mathematics

Qwerty90:
In a geometry class, the students were asked to prove the theorem below by contradiction.
Theorem: A triangle has at the most one obtuse…
 updated 2 years ago
 14 replies
 5 Medals
Mathematics

pythagoras123:
The product 1 X 2 X 3 X 4 X ... X 2011 X 2012 = (18^a X b )where a and b are whole numbers. What is the largest value of a?
 updated 2 years ago
 30 replies
 6 Medals
Mathematics

Rmerlin:
I need help asap..What does 1+2= thanks guys your a life saver
 updated 2 years ago
 21 replies
 6 Medals
Mathematics

pythagoras123:
A language school has 100 pupils in which 69% of the pupils study French, 79% study German, 89% study Japanese and 99% study English. Given …
 updated 2 years ago
 6 replies
 No Medals Yet
Mathematics

pythagoras123:
A circle of circumference 1 m rolls around the equilateral triangle ABC of perimeter 3 m. How many turns does the circle make as it rolls ar…
 updated 2 years ago
 8 replies
 3 Medals
Mathematics

pythagoras123:
Find the largest number n such that there is only one whole number that satisfies
\[\frac{8}{21}\] < \[\frac{n}{n+k}\] < \[\frac{5}{13}\]
 updated 2 years ago
 6 replies
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Mathematics

pythagoras123:
The inhabitants of an island are either gentlemen or liars. A gentlemen always tells the truth and a liar always lies. A, B and C are three …
 updated 2 years ago
 17 replies
 7 Medals
Mathematics

nona18:
square root of 240
 updated 2 years ago
 2 replies
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Mathematics

pythagoras123:
Geometrical question: Find the value of x
(see attachment)
 updated 2 years ago
 4 replies
 No Medals Yet
Mathematics

pythagoras123:
When a rectangular sheet of paper with length 8 cm is folded exactly into half, the ratio of its length to its width remains unchanged. If t…
 updated 2 years ago
 4 replies
 3 Medals
Mathematics

pythagoras123:
The product of n whole numbers
1 x 2 x 3 x 4 x ... x (n1) x n, has twentyeight consecutive zeros. Find the largest value of n.
 updated 2 years ago
 21 replies
 2 Medals
Mathematics

pythagoras123:
Peter and Jane take turns subtracting perfect squares from a given whole number and the person who subtracts the last number to get zero is …
 updated 2 years ago
 10 replies
 3 Medals
Mathematics

pythagoras123:
See attachment:
 updated 2 years ago
 8 replies
 1 Medal
Mathematics
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