Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
ryan1207
Username
ryan1207
Score
14
Membership
Stats
Questions
4
Answers
0
5 Questions
0 Answers
+1
17
1
+14
Urgent Help!!
Altitudes $\overline{AX}$ and $\overline{BY}$ of acute triangle $ABC$ intersect at $H$. If $\angle BAC = 43^\circ$ and $\angle ABC = 67^\circ$, then what is $\angle HCA$?
●
ryan1207
Feb 28, 2021
0
71
1
+14
helppp
Find $1_6 + 2_6 + 3_6 + \cdots + 45_6$. Express your answer in base $6$.
●
ryan1207
Jan 24, 2021
+1
79
3
+14
Help!
Let $f(x) = x^2 - x + 2010$. What is the greatest common divisor of $f(100)$ and $f(101)$?
●
●
●
ryan1207
Jan 18, 2021
-1
108
2
+14
Hellppp
What is the greatest common divisor of $121^2 + 233^2 + 345^2$ and $120^2 + 232^2 + 346^2$?
●
●
ryan1207
Jan 15, 2021
