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
230874 Questions
0
598
2
Help Please... I am Having a bit of DIfficulty
Consider the sequence a_1 = 1, a_2 = 13, a_3 = 135,... of positive integers. The k^th term a_k is defined by appending the digits of the k^th odd integer to the preceding term a_k-1. For example, since the 5^th term is a_5 = 13579, then the 6th term is
read more ..
●
●
Guest
Oct 26, 2019
0
684
1
help please
Find all complex numbers z such that z^2 = 2i. Write your solutions in a+bi form, separated by commas. So, "1+2i, 3-i" is an acceptable answer format, but "2i+1; -i+3" is not.
●
Guest
Oct 26, 2019
0
391
1
Hlep please
The function f satisfiesfor all . Find f(2).
●
Guest
Oct 26, 2019
0
361
1
math
What is this in simplest radical form?
https://prnt.sc/pok11m
●
Guest
Oct 26, 2019
0
656
1
i need help
In how many ways can 8 people sit around a round table if 3 of the people -- Pierre, Rosa, and Thomas -- all want to sit together? (Two seatings are considered the same if one is a rotation of the other.)
●
Guest
Oct 26, 2019
0
705
3
help
The sum of the smallest two factors of an integer n is 6 and the sum of the two largest factor is 1122. Find n.
●
●
●
Guest
Oct 26, 2019
+1
768
4
+108
Please Guys I need ur help....
Forum,
It seems as my previous post(entitled PreCalc Help) has gotten 19 views, and I'm just wondering if it should have been answered by now. I just want to let you know that I have a deadline with these problems and would love some explanation.
read more ..
●
●
●
●
BasicMaths
Oct 26, 2019
+3
750
3
+586
geometry
Points S and T are on side CD of rectangle ABCD such that AS and AT trisect DAB. If CT = 2 * (sqrt 3) - 3 and DS=1, then what is the area of ABCD?
read more ..
●
●
●
xXxTenTacion
Oct 26, 2019
0
785
6
Inserting on calculator
That was quick, ty.
My problem question is:
read more ..
●
●
●
●
●
●
Guest
Oct 26, 2019
0
408
1
In the calculator how to insert
.31481 +(-) 1.645
My problem is:
read more ..
●
Guest
Oct 26, 2019
0
503
2
Tough mod problem
What is the remainder when 19^((19^19) - 2) is divided by 10^10? Thanks for help.
●
●
Guest
Oct 26, 2019
-1
613
1
Help
Define the function $f(x)=\frac{a}{1-x}$. If $f(-1)=f^{-1}(4a+1)$, find the product of all possible values of $a$.
●
Guest
Oct 26, 2019
+1
689
3
+168
graphing
https://www.desmos.com/calculator/p2qgwp7i8r
A. sketch the following on the same axes indicating any points where the curve(s) cross the coordinate axes (link above)
B. hence, state the no. of solutions
read more ..
●
●
●
HoldMyBeer
Oct 26, 2019
0
748
4
help
Find the remainder when 15^145 is divided by 26.
●
●
●
●
Guest
Oct 26, 2019
0
1385
1
ASAP PLEASE!
Tim wants to create a circle graph showing the number of physicians whose specialty is aerospace medicine. He knows the following information. $\bullet$ 53 male physicians are under 35 years of age. $\bullet$ 8 female physicians are under 35 years of age.
read more ..
●
Guest
Oct 26, 2019
0
535
3
Plzzz help ASAP
In a certain isosceles right triangle, the altitude to the hypotenuse has length $4\sqrt{2}$. What is the area of the triangle?
●
●
●
Guest
Oct 26, 2019
0
490
1
help
Solve for x: a/(x - a) + b/(x - b) = 2c/(x - c).
●
Guest
Oct 26, 2019
0
740
3
+11
Need Help!!
The polynomial has degree 3. If f(-1) = 15, f(0) = 0 , f(-1) = 5, and f(2) = 12, then what are the -intercepts of the graph of f?
Please explain the answer, because I would like to know how you arrive
read more ..
●
●
●
adawertfswert
Oct 26, 2019
0
524
1
helpp
Consider a circle with radius 1 and center $O$. Points $A, B $ are on the circumference such that $ \angle AOB = \frac{ \pi}{3} $.
What is the radius of the largest circle that can be inscribed in sector $AOB $?
●
Guest
Oct 26, 2019
+4
824
6
+586
help
There exist positive integers n and k such that
Enter the ordered pair (n, k)
●
●
●
●
●
●
xXxTenTacion
Oct 26, 2019
0
411
1
help
A circular sheet of paper with radius of 6 cm is cut into three congruent sectors. What is the height of the cone in centimeters that can be created by rolling one of the sections until the edges meet? Express your answer in simplest radical form.
read more ..
●
Guest
Oct 26, 2019
0
752
1
Как это решить то, а?
0,5*3^1024-(3^512+1)*(3^256+1)*(3^128+1)*(3^64+1)*(3^32+1)*(3^16+1)*(3^8+1)*(3^4+1)*(3^2+1)*(3+1)
●
Guest
Oct 26, 2019
-1
708
2
+379
Help please!
deleted.
●
●
sinclairdragon428
Oct 26, 2019
-1
729
3
+379
Help please!
deleted.
●
●
●
sinclairdragon428
Oct 26, 2019
«
latest
9233
9232
..
6093
6092
6091
6090
6089
..
2
1
»
Post New Question
3 Online Users
Top Users
+128577
CPhill
moderator
+118608
Melody
moderator
+33616
Alan
moderator
+14925
asinus
moderator
+9589
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1588
bader
+1133
parmen
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.