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
230561 Questions
0
507
1
Help
We have triangle $\triangle ABC$ where $AB = AC$ and $AD$ is an altitude. Meanwhile, $E$ is a point on $AC$ such that $AB \parallel DE.$ If $BC = 12$ and the area of $\triangle ABC$ is $180,$ what is the area of $ABDE$?
●
Guest
Jul 15, 2019
0
1068
2
+95
hlp
When $p(x) = Ax^5 + Bx^3 + Cx + 4$ is divided by $x - 3,$ the remainder is 11. Find the remainder when $p(x)$ is divided by $x + 3.$
●
●
Pushy
Jul 15, 2019
0
549
1
How many bases $b$ are there such that $663_b$ is prime?
How many bases $b$ are there such that $663_b$ is prime?
●
Guest
Jul 15, 2019
-1
653
1
+1206
help
The center of the circle with equation is the point . What is ?
●
Logic
Jul 15, 2019
-1
617
1
+1206
help
The graph of the parabola has an x-intercept and two y-intercepts and . Find .
●
Logic
Jul 15, 2019
0
1008
1
+1206
help
The equation has two solutions. The positive solution has the form for positive natural numbers a and b. What is ?
●
Logic
Jul 15, 2019
0
954
2
+152
Can u plz help???
Use the Euclidean algorithm to find integers and such that State your answer as a list with first and second separated by a comma. Note that while there are many pairs of integers and that
read more ..
●
●
BIGChungus
Jul 15, 2019
-1
981
1
+1206
help
The quadratic can be written in the form , where b and c are constants. What is ?
●
Logic
Jul 15, 2019
0
516
1
Help appreciated
Consider the 1 by 3 vectors
v = <1 , 2 , 1> w = <1 , 4 , 5> x = <-1 , 6 , 15>.
If they aren't, find coefficients a, b, and c, not all 0, such that
read more ..
●
Guest
Jul 15, 2019
0
543
1
help quick please! urgent
Thanks in advance!
●
Guest
Jul 15, 2019
0
0
0
help quick please! urgent
Thanks in advance!
Guest
Jul 15, 2019
0
406
0
Help please
Consider the projection matrix P that satisfies
Pv = Projection of v onto <4 , 1>.
Find 3 vectors with integer components and magnitude no greater than 8 that satisfy Pv = <4 , 1>.
read more ..
Guest
Jul 15, 2019
0
1069
3
+1495
help me please
What is the locus of points that is two inches from a given line and also three inches from a given point in that line
●
●
●
ManuelBautista2019
Jul 15, 2019
0
665
1
Please help me! urgent
Thanks in advance!
●
Guest
Jul 15, 2019
0
1059
4
+1495
Help Me please
What is the locus of points in the interior of the square ABCD and also equidistant from its sides AB and BC?
●
●
●
●
ManuelBautista2019
Jul 15, 2019
0
667
2
Greater than(>) and Lessor than (<) Signs
I cannot locate the greater sign (>) or less than (<) sign on the calculater that are used in Graphing Linear
Inequalities. These signs are required in order to do the problems.
●
●
Guest
Jul 15, 2019
0
565
5
Question, help quick
●
●
●
●
●
Guest
Jul 15, 2019
0
668
1
Systems of equations
Find an ordered pair (x, y) that solves the system:
●
Guest
Jul 15, 2019
0
858
4
the length of a rectangle is 4cm more than its width .if its perimeter is 20cm
thel length of a rectangle is 4cm more than its width.if its perimeter is 20. find the number
●
●
●
●
Guest
Jul 15, 2019
0
707
3
I need HELP!!!
The quadratic has two imaginary roots. What is the sum of the squares of these roots? Express your answer as a decimal rounded to the nearest hundredth.
Please help me quick! Thank you!
read more ..
●
●
●
Guest
Jul 15, 2019
+2
2364
5
+1011
Help Please
Andrew is showing his work in simplifying β4.5 + 4.2 + 5.6 β 7.3. Identify any errors in his work or in his reasoning. Write feedback to Andrew explaining the mistake he made and how to correct his work.
StepWorkReasoning
(β4.5
read more ..
●
●
●
●
●
Nickolas
Jul 15, 2019
+6
872
7
+794
It is three oclock in the morning and i need help
It is three oclock in the morning and i need help
This is off topic for math but i've got three hours left or else i fell the ninth grade and ive go like 85 assignment in history left help me please
off-topic
●
●
●
●
●
●
●
travisio
Jul 15, 2019
+9
1042
25
+794
B-day
It's my B-day suckers turin' 15
πππππππππππππππππππyeah Only if your a regular sorry guest but you would need to sign up for cake by singing up for the forum Have some Cake theirs plenty to go around Travisio
read more ..
off-topic
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
travisio
Jul 15, 2019
«
latest
9221
9220
..
5996
5995
5994
5993
5992
..
2
1
»
Post New Question
3 Online Users
Top Users
+128460
CPhill
moderator
+118608
Melody
moderator
+33615
Alan
moderator
+14913
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1763
tomtom
+1484
bader
+1085
parmen
+1032
kittykat
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.