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
Post New Question
All Questions
^{+0}
231597 Questions
0
1
0
+158
Geometry
Let $\overline{AB}$ and $\overline{CD}$ be chords of a circle, that meet at point $Q$ inside the circle. If $CD = 34$, then find the minimum length of $CQ$.
RedDragonl
May 14, 2024
0
1
0
+418
Geometry
In the diagram below, SR = PQ = 20 and RT:TS = 2:5. Find UV.
eramsby1O1O
May 14, 2024
0
2
0
+418
Geometry
In triangle PQR, M is the midpoint of \overline{QR}. Find PM.
eramsby1O1O
May 14, 2024
0
2
0
+418
Geometry
Point $D$ is the midpoint of median $\overline{AM}$ of triangle $ABC$. Point $E$ is the midpoint of $\overline{AB}$, and point $T$ is the intersection of $\overline{BD}$ and $\overline{ME}$. Find the area of triangle $BET$ if $AB = 20$, $AC = 20$, and BC
read more ..
eramsby1O1O
May 14, 2024
-1
2
0
+418
Geometry
A rectangle contains a strip of width $1,$ as shown below. Find the area of the strip.
eramsby1O1O
May 14, 2024
0
1
1
+52
Preclac
Let x and y be two perpendicular unit vectors.
(a) Find a formula for the magnitude of an arbitrary linear combination ax+by
of x and y in terms of a and b.
(b) Find the precise condition on a,b,c and d under which the linear combinations
read more ..
●
LearningCat
May 14, 2024
0
2
0
+418
Geometry
In triangle ABC, angle A = p + 2q degrees, angle B = 6p - 5q degrees, and angle C = 14p + 8q degrees. Find p (in degrees) in terms of q.
eramsby1O1O
May 14, 2024
0
2
0
+418
Help me
Let $a$ and $b$ be real numbers, where $a < b$, and let $A = (a,a^2)$ and $B = (b,b^2)$. The line $\overline{AB}$ (meaning the unique line that contains the point $A$ and the point $B$) has slope $2$. Find $a + b$.
eramsby1O1O
May 14, 2024
+1
2
1
+86
quadratic roots
The quadratic has the following unexpected property: the roots, which are and , are one less than the final two coefficients. Now find a quadratic with leading term such that the final two coefficients
read more ..
●
eramsby1010
May 14, 2024
0
1
0
+1121
Quadratic Functions
What real value of $t$ produces the smallest value of the quadratic $t^2 -9t - 36 + 13t - 60$?
Akhain1
May 14, 2024
0
1
1
+1121
Quadratic Function
If s is a real number, then what is the smallest possible value of 2s^2 - 8s + 19 - 7s^2 - 8s + 20?
●
Akhain1
May 14, 2024
0
1
1
+1121
Roots of Quadratic
Let a and b be the solutions to 7x^2 + x - 5 = 6x^2 - 5x + 12. Compute 1/(a^2 - 4) + 1/(b^2 - 4).
●
Akhain1
May 14, 2024
0
1
1
+1121
Quadratic Functions
If $t$ is a real number, what is the maximum possible value of the expression $-t^2 + 8t -4 +5t^2 - 4t + 18$?
●
Akhain1
May 14, 2024
0
2
0
+418
help with math
Laverne starts counting out loud by 5's. She starts with 2. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 100, Shirley runs screaming from the room. What number does Laverne say that sends
read more ..
eramsby1O1O
May 14, 2024
0
2
1
+418
Need help
A line has a slope of $m,$ and its $y$-intercept is $(0,b)$. If $m = 8$ and $b = 14,$ then what is the $x$-intercept of the line?
●
eramsby1O1O
May 14, 2024
0
2
1
+418
Need help
The distance between the points $A$ and $B$ is $\sqrt{5}.$ If $A = (a,-1)$ and $B = (2,2a-7),$ then find the sum of all possible values of $a.$
●
eramsby1O1O
May 14, 2024
0
2
0
+418
Coordinates question
Find the distance between the $x$-intercept and the $y$-intercept of the graph of the equation $3x - 6y = 12 + 8x - 3y$.
eramsby1O1O
May 14, 2024
+1
2
1
+86
Hard Trig
Among all pairs of real numbers such that with , Oleg randomly selected a pair . Compute the probability that .
●
eramsby1010
May 14, 2024
0
3
1
+418
help with coordinates
A line passes through the points $P$ and $Q.$ If $P = (-8,2)$ and $Q = (4,-7),$ then write the equation of this line in the form $Ax + By = C,$ where $A$, $B$, and $C$ are integers with greatest common divisor $1,$ and $A$ is positive.
●
eramsby1O1O
May 14, 2024
0
1
1
+418
Algebra
The quadratic equation $x^2+4mx+m = 2x - 6$ has exactly one real root. Find the positive value of $m$.
●
eramsby1O1O
May 14, 2024
+1
3
1
+86
C&P Problem
Two distinct positive integers from 1 to 50 inclusive are chosen. Let the sum of the integers equal S and the product equal P. What is the probability that P + S is one less than a multiple of 5?
●
eramsby1010
May 14, 2024
0
2
2
+52
Precalculus
Help please :3
●
●
LearningCat
May 14, 2024
+1
2
1
+86
Complex Number Arithmetic
Simplify
●
eramsby1010
May 14, 2024
+1
2
1
+86
Particle Speed
A particle moves so that it is at at time Find the speed of the particle, measured in unit of distance per unit of time.
●
eramsby1010
May 14, 2024
+1
2
1
+86
Another Simon's Favorite Factoring Trick Problem
Two numbers are independently selected from the set of positive integers less than or equal to 5. What is the probability that the sum of the two numbers is greater than their product? Express your answer as a common fraction.
●
eramsby1010
May 14, 2024
«
latest
9262
9261
..
9249
9248
9247
9246
9245
..
2
1
»
Post New Question
4 Online Users
Top Users
+128796
CPhill
moderator
+118617
Melody
moderator
+33616
Alan
moderator
+14944
asinus
moderator
+9664
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1679
wiseowl
+1616
bader
+1351
LiIIiam0216
+1211
parmen
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.