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
229704 Questions
+1
696
1
+490
Need Assistance
Given f(x)=2x^2−3 and g(x)=x+4 .
What is (fg)(x) ?
−2x^2+x+7
read more ..
●
whosmans
Mar 11, 2019
0
664
6
Binomial theorem problem
In the expansion of find the coefficient of
●
●
●
●
●
●
Guest
Mar 11, 2019
0
2913
2
Earthquake help
The Richter scale is used to measure the intensity of an earthquake. If E, measured in joules, is the energy released during an earthquake, then the magnitude is given by,
M = 2/3 log(E/E_0)
read more ..
●
●
Guest
Mar 11, 2019
0
600
1
Help Pls!
Find the sixteenth term of a fibonacci sequence whose first 2 terms are -3 and 9
●
Guest
Mar 11, 2019
+1
808
1
+490
Help
Given f(x)=2x^2+3x and g(x)=5x^2−2x−6 .
What is (f+g)(x) ?
3x^2−5x−6
read more ..
●
whosmans
Mar 11, 2019
0
1090
3
Sound intensities help
Sound intensities, I, are often compared with the threshold of human hearing, I_0, which is about 10^-12 watts per meter squared. The relative intensity, R, of a sound is given by the equation: R = 10log(I/I_0)
read more ..
●
●
●
Guest
Mar 11, 2019
0
752
4
Plz help
A mobile base station (BS) in an urban environment has a power per m2 measurement of 4 µW m-2 at a distance of 175m from the BS. Assuming the propagation follows the inverse fourth power law ) what is a reasonable value to assume at a distance of 350m from
read more ..
●
●
●
●
Guest
Mar 11, 2019
+1
3585
10
+11
checking your brains with riddles
FIRST RIDDLE
MY MOM IS A DOG
MY DAD IS A BANANA
WHAT I AM ?
read more ..
off-topic
●
●
●
●
●
●
●
●
●
●
thequeen
Mar 11, 2019
0
472
1
Plz help!
Can someone help with these problems?
Question 1
read more ..
●
Guest
Mar 11, 2019
+2
700
4
+11
maths question about percentage
75 percent in fraction
●
●
●
●
thequeen
Mar 11, 2019
+1
1399
6
math
A triangle has two sides of length 6 and 9. what value could the length of the third side be? check all that apply.
A. 10
B. 7
read more ..
●
●
●
●
●
●
Guest
Mar 11, 2019
+1
666
8
+1438
Math help.
Give the equation of a line that passes through 2 and -3. The line is going diagonal from the top right down. 2 and -3 would be the order it hit the points.
Is the -3 supposed to be positive because it's the rise?
read more ..
●
●
●
●
●
●
●
●
SmartMathMan
Mar 11, 2019
0
464
3
Check and help
Sorry for this being so big.
read more ..
●
●
●
Guest
Mar 11, 2019
-6
733
2
+229
hepl
objects falling through air experience a type of friction called _____.
off-topic
●
●
raziel305
Mar 11, 2019
0
1369
3
Please help
1. The expression x - 3 is a factor of the function p (x). What is the remainder when p (x) is divided by x - 3?
2. What will be the remainder when the polynomial p (x ) = 3x
read more ..
●
●
●
Guest
Mar 11, 2019
0
458
1
PLZ PLZ PLZ URGEBT HELP PLZ THANK YOU SO MUCH IF U HELP ME
Simplify
●
Guest
Mar 11, 2019
0
452
2
Help
1. The roots of a quadratic equation are 6 and 3/4. If one of the two factors of the equation is x-6, what is the second factor?
A. 3x-4
read more ..
●
●
Guest
Mar 11, 2019
0
795
8
Need help!!!!!
Guys, I need help with this plz!
For the question below, did I choose the correct choice?
read more ..
●
●
●
●
●
●
●
●
Guest
Mar 11, 2019
+1
877
3
+845
Kinetic energy and speed
For this question I have used the kinetic equation to work out 1/2*58*4=116
please show me how to do B, thanks
Alan
●
●
●
YEEEEEET
Mar 11, 2019
0
595
1
help
Let be positive real numbers. Find all possible values of
●
Guest
Mar 11, 2019
«
latest
9187
9186
..
5811
5810
5809
5808
5807
..
2
1
»
Post New Question
2 Online Users
Top Users
+128053
CPhill
moderator
+118587
Melody
moderator
+33603
Alan
moderator
+14865
asinus
moderator
+3143
admin
administrator
+2436
GingerAle
+1703
tomtom
+1670
wiseowl
+1618
proyaop
+1248
bader
+1014
blackpanther
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.