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+1

2245

6

+87

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. read more ..

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thunderkirby Aug 10, 2018

0

801

2

+2448

All help is greatly appreciated :D

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RainbowPanda Aug 10, 2018

0

753

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 ^-^ read more ..

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RainbowPanda Aug 10, 2018

0

879

1

+279

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

726

4

+2448

Please help, ty!

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RainbowPanda Aug 10, 2018

0

755

3

+2448

Please help asap!

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RainbowPanda Aug 10, 2018

0

629

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

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Guest Aug 10, 2018

0

1804

3

need heeelp

kx + y = 1

y + -x^2 + k
read more ..

Alan ●●●

Guest Aug 10, 2018

0

952

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, read more ..

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Guest Aug 10, 2018

0

1172

3

Check only

Simplify

Is it ?

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Guest Aug 10, 2018

+1

3827

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.

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Guest Aug 10, 2018

0

1134

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

4566

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

2565

2

+400

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).

read more ..

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dierdurst Aug 9, 2018

0

35805

1

+2448

Please help asp

Please help asap

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RainbowPanda Aug 9, 2018

0

892

1

+279

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

1314

1

+279

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 read more ..

heureka ●

yasbib555 Aug 9, 2018

0

896

1

+279

Please help with this number theory problem quick!!

Find the smallest positive such that

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yasbib555 Aug 9, 2018

0

918

5

+279

Arithmetic sequence {a_n} {b_n} have integer terms, a_1=b_1=1

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yasbib555 Aug 9, 2018

0

968

3

math

is square root 49 a interger,real number,rational number,or irrational number

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Guest Aug 9, 2018

0

865

1

+279

plz help quick on number theory

Find the smallest positive such that

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yasbib555 Aug 9, 2018

0

2175

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 ●●●

Guest Aug 9, 2018

All Questions ⁺⁰238062 Questions

Confusing algebra

All help is greatly appreciated :D

2 questions~

plz help quick on this geometric/arithmetic sequence problem

Please help, ty!

Please help asap!

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

need heeelp

Solving this quadratic function word problem?

Check only

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 are the non-permissible values for this rational expression?

In triangle , , , and . Let be the incenter. The incircle of triangle touches sides , , and at , , and , respectively. Find the length of .

Please help thank you

Please help asp

Arithimetic sequence { } { } have integer terms, and for some . What is the largest possible value of ?

When N is divided by 10, the remainder is a . When N is divided by 13, the remainder is b . What is N

Please help with this number theory problem quick!!

Arithmetic sequence {a_n} {b_n} have integer terms, a_1=b_1=1

math

plz help quick on number theory

I have no idea how to do this

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