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
0
508
2
Calculating acceleration and deceleration of a vehicle
These are more physics related, but I'm having a lot of trouble with it and I'm getting kind of desperate right now since there's a lot of assignments like these but I'm not quite sure where to get started with these. I was hoping someone here could help
read more ..
off-topic
●
●
Guest
Dec 17, 2019
0
531
1
The total price of all the cars on a used car lot is $56,000. They have a mean price of $4000 per car. How many cars are on the lot?
The total price of all the cars on a used car lot is $56,000. They have a mean price of $4000 per car. How many cars are on the lot?
●
Guest
Dec 17, 2019
+1
576
1
Como poner tan a la -1?
Como hago para poner tan a la -1 nose diganme pls
●
Guest
Dec 17, 2019
+1
869
2
+296
Help
Given the functions $f(x)=\dfrac{x+5}{3}$ and $g(x)=\dfrac{1}{f^{-1}(x)+1}$, find the value of $g(3)$.
●
●
EpicWater
Dec 17, 2019
0
736
2
help
A sequence satisifes a_1 = 3 and a_{n + 1} = a_n/(a_n + 1) for n >= 1. What is a_{14}?
●
●
Guest
Dec 17, 2019
0
523
1
help
A sequence goes 1,2,2,3,3,3,4,4,4,4,.... What is the 254th term?
●
Guest
Dec 17, 2019
0
557
1
help
Express the series 2 + 5x + 9x^2 + 14x^3 + 20x^4 + ... as a function of x.
Hint: The coefficiens 2, 5, 9, 14, 20 ... follow a quadratic formula.
●
Guest
Dec 17, 2019
0
1574
2
help
Solve the puzzle FORTY + TEN + TEN = SIXTY. (Every letter stands for a different digit.)
●
●
Guest
Dec 17, 2019
0
707
4
help
In convex quadrialteral ABCD, the area of triangle DAB is 1, that of triangle ABC is 6, and that of triangle CDA is 2. Find the area of triangle BCD.
●
●
●
●
Guest
Dec 17, 2019
0
800
3
+296
More Algebra 2
1.The function f(x) is invertible, but the function g(x) = kf(x) is not invertible. Find the sum of all possible values of k.
2.If f(x) and (ax+b)/(cx+d), abcd ≠ 0 and f(f(x)) = x for all x in the domain of f, what
read more ..
●
●
●
EpicWater
Dec 17, 2019
+3
1
1451
9
+41
Combinations with Symmetry Question
How many ways are there to put 9 differently colored beads on a grid if the purple bead and the green bead cannot be adjacent (either horizontally, vertically, or diagonally), and rotations and reflections of the grid are considered the same?
read more ..
●
●
●
●
●
●
●
●
●
chenxander
Dec 17, 2019
+1
720
2
help
Find the number of lattice points in the region defined by |x| + |y| < 5.
●
●
Guest
Dec 17, 2019
0
1
518
1
help
The points with coordinates (1,1), (3,5), and (-1,4) are three vertices of a parallelogram. Find all possible coordinates of the fourth vertex.
●
Guest
Dec 17, 2019
0
550
1
help
Consider eight points that are equally spaced on a circle in which the length of the radius is 1. Find the product of the distances from one of the points to each of the other seven points.
●
Guest
Dec 17, 2019
0
456
1
help
In a triangle, the degree measure of one angle is 60 more than that of anohter. The ratio of the lengths of the sides opposite these two angles is 2:1. Fidn the degree-measure of the largest angle of this triangle.
●
Guest
Dec 17, 2019
Dec 16, 2019
0
441
1
homework help
The angles of a quadrilateral are q, 5q+15 , 3q-25, and 4q-20. Find the largest angle of the quadrilateral, in degrees.
Thank you!
●
Guest
Dec 16, 2019
0
425
1
help
The numbers 2, 3, 12, 14,15, 20, 21 may be divided into two sets so that the product of the numbers in each set is the same. What are the two sets?
●
Guest
Dec 16, 2019
0
386
1
help
Find the largest integer N, such that the remainder when 23 is divided by N is equal to the remainder when 44 is divided by N.
●
Guest
Dec 16, 2019
+1
1199
3
help
In the figure above, each letter represents a distinct single digit among .0,1,2,…,9. They are positioned in such a way that A×B×C=B×G×E=D×E×F.
What digit does the letter G represent?
read more ..
chenxander
●
●
●
Guest
Dec 16, 2019
0
719
2
Help please
Dogs in the GoodDog Obedience School win a blue ribbon for learning how to sit, a green ribbon for learning how to roll over, and a white ribbon for learning how to stay. There are 100 dogs in the school.
62 have blue ribbons,55 have green
read more ..
●
●
Guest
Dec 16, 2019
0
988
7
math question
Find all complex numbers z such that z^4 = -4.
●
●
●
●
●
●
●
Guest
Dec 16, 2019
«
latest
9187
9186
..
6178
6177
6176
6175
6174
..
2
1
»
Post New Question
0 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.