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Post New Question
All Questions
+0
230619 Questions
+1
2192
6
+86
Confusing algebra
At the AoPS office, mice vary inversely with cats, that is,$\text{mice}=\frac{k}{\text{cats}}$ , for some value of K . When there are 3r-19 cats, there are2r+1 mice, and when there are 6r-27 mice, there arer-5 cats. Find K.
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thunderkirby
Aug 10, 2018
0
698
2
+2448
All help is greatly appreciated :D
All help is greatly appreciated :D
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RainbowPanda
Aug 10, 2018
0
637
3
+2448
2 questions~
Please help asap ^-^
Can I get the formulas for each of these and if I can't solve them, I'll ask for help if that's alright ^-^
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RainbowPanda
Aug 10, 2018
0
755
1
+278
plz help quick on this geometric/arithmetic sequence problem
Arithimetic sequence {} {} have integer terms, ==<<= and for some . What is the largest possible value of ?
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yasbib555
Aug 10, 2018
+1
608
4
+2448
Please help, ty!
Please help, ty!
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RainbowPanda
Aug 10, 2018
0
663
3
+2448
Please help asap!
Please help asap!
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RainbowPanda
Aug 10, 2018
0
510
1
BE and CF are angle bisectors of triangle ABC that meet at I, and we have CE = 4, AE = 6, and AB = 8. Find BC
BE and CF are angle bisectors of triangle ABC that meet at I, and we have CE = 4, AE = 6, and AB = 8. Find BC
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Guest
Aug 10, 2018
0
1715
3
need heeelp
kx + y = 1
y + -x^2 + k
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Alan
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Guest
Aug 10, 2018
0
837
2
Solving this quadratic function word problem?
Find the dimensions of the rectangle of maximum area that can be constructed with a perimeter of 44cm.
I tried using Google for help, but common methods used were derivatives which I haven't been taught yet. I'm a little lost,
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Guest
Aug 10, 2018
0
1063
3
Check only
Simplify
Is it ?
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Guest
Aug 10, 2018
+1
3810
4
What is the radius of the circle inscribed in triangle ABC if AB = 5, AC=6, BC=7? Express your answer in simplest radical form.
What is the radius of the circle inscribed in triangle ABC if AB = 5, AC=6, BC=7? Express your answer in simplest radical form.
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Guest
Aug 10, 2018
Aug 9, 2018
0
1038
1
What are the non-permissible values for this rational expression?
it's not factorable, so i'm a little lost!
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Guest
Aug 9, 2018
+1
4551
2
In triangle , , , and . Let be the incenter. The incircle of triangle touches sides , , and at , , and , respectively. Find the length of .
In triangle A, B, C, AB=13, AC=15 and BC=14. Let I be the incenter. The incircle of triangle ABC touches sides BC, AC, and AB at D, E, and F, respectively. Find the length of BI.
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Guest
Aug 9, 2018
+4
2537
2
+397
Please help thank you
Altitudes AP and BQ of an acute triangle ABC intersect at point H. If HP=5 while HQ=2, then calculate (BP)(PC)-(AQ)(QC).
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dierdurst
Aug 9, 2018
0
35687
1
+2448
Please help asp
Please help asap
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RainbowPanda
Aug 9, 2018
0
777
1
+278
Arithimetic sequence { } { } have integer terms, and for some . What is the largest possible value of ?
Arithimetic sequence {} {} have integer terms,
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yasbib555
Aug 9, 2018
0
1267
1
+278
When N is divided by 10, the remainder is a . When N is divided by 13, the remainder is b . What is N
When N is divided by 10, the remainder is a. When N is divided by 13, the remainder is b. What is N modulo 130, in terms of a and b?
(Your answer should be in the form ra+sb, where
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heureka
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yasbib555
Aug 9, 2018
0
780
1
+278
Please help with this number theory problem quick!!
Find the smallest positive such that
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yasbib555
Aug 9, 2018
0
815
5
+278
Arithmetic sequence {a_n} {b_n} have integer terms, a_1=b_1=1
Arithmetic sequence {a_n} {b_n} have integer terms, a_1=b_1=1
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yasbib555
Aug 9, 2018
0
844
3
math
is square root 49 a interger,real number,rational number,or irrational number
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Guest
Aug 9, 2018
0
741
1
+278
plz help quick on number theory
Find the smallest positive such that
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yasbib555
Aug 9, 2018
0
2107
3
I have no idea how to do this
How many positive four-digit integers n have the property that the three-digit number obtained by removing the leftmost digit is one-ninth of n?
heureka
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Guest
Aug 9, 2018
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