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thunderkirby
Benutzername
thunderkirby
Punkte
86
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11
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11
11 Questions
11 Answers
+1
735
1
+86
function problem
The function f(x) is invertible, but the function g(x)=f(cx) is not invertible. Find the sum of all possible values of c.
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thunderkirby
29.09.2019
0
1019
1
+86
rectangle and square in a square
A large square is divided into 4 small congruent rectangles and a small square as shown. The areas of the large and small squares are 25 and 7, respectively. What is the length of a diagonal of a small rectangle?
mehr ..
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thunderkirby
27.01.2019
0
835
1
+86
Trig problem
In right triangle ABC, with angle a=90, we have AB=6 and BC=10. Find Cos A
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thunderkirby
11.12.2018
+1
1086
2
+86
Length relating to centroid
in , the acute angles are and The centroid of Is G. If AB=1, What is AG?
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thunderkirby
08.12.2018
+5
2037
3
+86
Geometry help plz!
In convex quadrilateral abcd,ab=bc=13 , cd=da=24, and . Points X andY are the midpoints of and respectively. Compute XY^2 (the square of the length of XY).
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thunderkirby
21.11.2018
+1
1119
11
+86
Geometery help
These are two problems I am having trouble with. I don't know what went wrong with the latex so I am sorry.
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thunderkirby
29.09.2018
+3
1861
4
+86
Geometry question and inequality
Let line L1 be the graph of 5x+8y=-9 . Line L2 is perpendicular to line L1 and passes through the point (10,10) . If line L2 is the graph of the equation Y=mX+b , then find m+b I have a large truck and my neighbor has four
mehr ..
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thunderkirby
26.08.2018
+1
916
2
+86
geometry problem help plz
Find a linear inequality with the following solution set. Each grid line represents one unit. https://latex.artofproblemsolving.com/b/d/c/bdc17544a660a2ede75d5c2642f86c2311ec1028.png
(Give your answer in "standard form" or where and are
mehr ..
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thunderkirby
25.08.2018
+3
910
3
+86
I found this problem but it was unanswered so I will ask it again :P
A line segment is broken at two random points along its length. What is the probability that the three new segments can be arranged to form a triangle?
Please help and explain because I want to know how you solve this! Thanks
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thunderkirby
20.08.2018
+1
944
4
+86
coordinate plane question
On the Cartesian plane, the midpoint between two points A(a,b) and B(c,d) is M(m,n). If is moved vertically upwards 8 units and horizontally to the right 2 units, and is moved vertically downwards 2 units and horizontally
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thunderkirby
19.08.2018
+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
10.08.2018
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