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
230566 Questions
0
4456
1
+647
Factor x^2+y^2-z^2)^2-4x^2y^2 as the product of four polynomials of degree 1 , each of which has a positive coefficient of x.
Factor x^2+y^2-z^2)^2-4x^2y^2 as the product of four polynomials of degree 1 , each of which has a positive coefficient of x.
●
waffles
Jan 18, 2018
0
1383
1
NEED HELP ASAP!
For what constant $k$ is 1 the minimum value of the quadratic $3x^2 - 15x + k$ over all real values of $x$? ($x$ cannot be nonreal)
hectictar
●
Guest
Jan 18, 2018
+2
905
5
+247
a cool challenge for you guys!
in your head, work out the APPROXIMATE square root of 165 up to two decimal places OR give the remaining decimal fraction.
eg. for 137 i would accept 11.73 or 11+8/11 or even 129/11 if you will.
read more ..
●
●
●
●
●
Scruffy23.
Jan 18, 2018
0
7628
1
Answer question
A railroad crew can lay 7 miles of track each day. They need to lay 196 miles of track. The length, L (in miles), that is left to lay after d days is given by the following function.
=Ld−1967d
read more ..
●
Guest
Jan 18, 2018
Jan 17, 2018
0
476
0
How do I find the range of a given domain? Reply ASAP please
How do I find the range of a given domain?
Example:
f(x) = 3x+1{-2.-1,0}
Guest
Jan 17, 2018
0
403
0
Please help asap
A mathematician works for $t$ hours per day and solves $p$ problems per hour, where $t$ and $p$ are positive integers and $1
Guest
Jan 17, 2018
0
513
0
+4
Help me please! A trigonometric question
If sinA+sinB=2sin(A+B) then prove, tan(A/2).tan(B/2)=1/3
Muhammad.Arif
Jan 17, 2018
0
969
1
Compute $|5-12i| + |3-4i|$.
Compute $|5-12i| + |3-4i|$.
●
Guest
Jan 17, 2018
0
407
0
Please help- Range given domain
How do I find the range of a given domain?
Example:
f(x) = 3x+1{-2.-1,0}
Guest
Jan 17, 2018
+1
2973
2
Please help
A rectangle is called ``cool'' if the number of square units in its area is equal to twice the number of units in its perimeter. A cool rectangle also must have integer side lengths. What is the sum of all the different possible areas of cool rectangles?
read more ..
●
●
Guest
Jan 17, 2018
0
2072
1
+284
Which description best defines FG¯¯¯¯¯ ?
Which description best defines FG¯¯¯¯¯ ?
the set containing point F and point G
the set of all points that are the same distance from point F as point G
the set of all points between point F and
read more ..
hectictar
●
sii1lver
Jan 17, 2018
0
871
1
Slopes
Use an equation to find the value of k so that the line that passes through the given points has the given slope.
(1,3), (5,k); m=2
hectictar
●
Guest
Jan 17, 2018
0
665
1
Question
A beam of light travels from sapphire into an unknown material. The angle of incidence is 45o and the angle of refraction is 57o. What is the refractive index of the unknown material? What material is this likely to be?
off-topic
●
Guest
Jan 17, 2018
0
1272
1
Determine the refractive index of a medium if the speed slows to 1.2 x 108 m/s
Determine the refractive index of a medium if the speed slows to 1.2 x 108 m/s
Use this form:
Given:
required:
read more ..
off-topic
ElectricPavlov
●
Guest
Jan 17, 2018
0
824
1
Optics question
Eugene is given a clear material to identify. He shines a laser at the surface of the material at an angle of 25o. The angle of the refracted ray is 16.7o. Identify the clear material. Show how you arrived at this answer using
Given:
read more ..
●
Guest
Jan 17, 2018
0
715
1
+510
What are the solutions to the equation?
What are the solutions to the equation?
●
SamJones
Jan 17, 2018
0
675
1
+510
What are the solutions to the equation?
What are the solutions to the equation?
●
SamJones
Jan 17, 2018
0
1661
1
+510
What are the roots of the polynomial equation? 0=x2+18x+45 Select each correct answer.
What are the roots of the polynomial equation?
0=x2+18x+45
read more ..
●
SamJones
Jan 17, 2018
0
674
1
+510
What are the solutions to the equation?
What are the solutions to the equation?
●
SamJones
Jan 17, 2018
0
2144
2
+510
What is the solution set to the equation (2x−4)(4x−5)=0?
What is the solution set to the equation (2x−4)(4x−5)=0?
CPhill
●
●
SamJones
Jan 17, 2018
0
2322
1
+510
Factor. 6xy−3x−8y+4
Factor.
6xy−3x−8y+4
●
SamJones
Jan 17, 2018
0
2128
1
+510
Factor. 5y(2x+7)+4(2x+7)
Factor.
5y(2x+7)+4(2x+7)
hectictar
●
SamJones
Jan 17, 2018
0
786
1
+510
What is the missing term in the factorization?
What is the missing term in the factorization?
●
SamJones
Jan 17, 2018
0
2206
1
+510
Which expression is the completely factored form of x3+8y6 ?
Which expression is the completely factored form of x3+8y6 ?
●
SamJones
Jan 17, 2018
0
2864
1
+510
Which expression represents x² + 8x + 16 in factored form?
Which expression represents x² + 8x + 16 in factored form?
●
SamJones
Jan 17, 2018
«
latest
9221
9220
..
5168
5167
5166
5165
5164
..
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.