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
230457 Questions
0
252
0
math problem
A stream is going 3 miles an hour. A boat travels upstream 12 miles and then returns to its original position downstream along the same route. If the speed of the boat in still water is 9 miles per hour, what is the average speed for the whole trip there
read more ..
Guest
Aug 1, 2020
0
598
1
Geometry Help Please?
Two of the sides of a triangle are 18 and 25. The length of the third side is also a positive integer. How many different possible values are there for the third side length? (Assume that the triangle is non-degenerate.)
●
Guest
Aug 1, 2020
0
409
1
Please someone help me:)
I don't know what to do
●
Guest
Aug 1, 2020
+3
1617
4
+185
please help ASAP and explain!
Quadrilateral ABCD is an isosceles trapezoid, with bases AB and CD. A circle is inscribed in the trapezoid, as shown below. (In other words, the circle is tangent to all the sides of the trapezoid.) The length of base AB is 2x, and the length of base CD
read more ..
●
●
●
●
Otterstar
Aug 1, 2020
0
508
1
+81
HELP NO ONE IS RESPONDING
Find the range of the function
f(x)= (x^2+14x+9)/(x^2+2x+3)
as x varies over all real numbers.
read more ..
●
toodlestraws
Aug 1, 2020
0
386
2
HELP ASAPPP IN LATEX
Solve for in the following arithmetic sequence: .
●
●
Guest
Aug 1, 2020
+1
413
1
i need help
Find the surface area.
●
Guest
Aug 1, 2020
+1
432
1
Help On math Homework
Can someone please help me? Thank you!!
●
Guest
Aug 1, 2020
+1
409
1
Constant Term
Find the constant term in the expansion of (2z-1/sqrt(z))^9.
●
Guest
Aug 1, 2020
+1
419
1
please explain
Please explain how to solve linear inequalities.
Heres an example problem. Please solve and show your steps/explain.6(x+8) ≥ ‒43+4x
●
Guest
Aug 1, 2020
+1
512
1
+81
HELP ON MATH
Find the range of the function
f(x)= (x^2+14x+9)/(x^2+2x+3)
as x varies over all real numbers.
read more ..
●
toodlestraws
Aug 1, 2020
+1
436
3
PLEASE HELP ASAP
Fred the ant is on the real number line, and Fred is trying to get to the point 0
If Fred is at 1 then on the next step, Fred moves to either 0 or 2 with equal probability. If Fred is at 2 then on the next step, Fred always moves to 1
Let e_1 be expected
read more ..
●
●
●
Guest
Aug 1, 2020
+1
603
1
help GAH
You have linear functions f(x) and g(x). You know f(2)=3, and f(g(x))=4x+7 for all x. Find g(-1).
●
Guest
Aug 1, 2020
0
586
10
-6
Try this out!
The above image has 3 right angles. The side lengths that are given are marked in the picture above. The objective is to find
read more ..
off-topic
●
●
●
●
●
●
●
●
●
●
Mathable
Aug 1, 2020
+1
456
1
help with quadratic
For what value of k are the roots of the quadratic equation kx (x+ 3) - 4=0 equal?
●
Guest
Aug 1, 2020
+1
417
2
please help
The length of a rectangle is 7 meters longer than its width. What is the width of this rectangle if its perimeter is equal to 86 meters?
●
●
Guest
Aug 1, 2020
+1
491
3
Geometry
In the coordinate plane, A = (4,-1), B = (6,2), and C = (-1,2). There exists a point Q and a constant K such that for any point P,
Find the constant K.
Thank you in advance
read more ..
●
●
●
Guest
Aug 1, 2020
+1
284
0
geometry
Regular pentagon ABCDE is inscribed in a unit circle. Compute AB*AC.
Guest
Aug 1, 2020
+1
315
1
polynomial problem
What is the remainder when is divided by
●
Guest
Aug 1, 2020
+1
449
1
please help
Find the measure of the indicated angle to the nearest degree.
●
Guest
Aug 1, 2020
+1
604
2
Help please
The line intersects the circle x^2 + y^2=5 at A and B. Find the coordinates of the midpoint of .
I put the line and circle on the graph and got the answer (2.2,-0.4) but that was incorecct. Can someone tell
read more ..
●
●
Guest
Aug 1, 2020
«
latest
9217
9216
..
6907
6906
6905
6904
6903
..
2
1
»
Post New Question
3 Online Users
Top Users
+128408
CPhill
moderator
+118608
Melody
moderator
+33615
Alan
moderator
+14903
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1763
tomtom
+1463
bader
+1037
parmen
+1030
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.