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
237687 Questions
+5
863
2
+1008
Please Help Gracias!
Please Help Gracias!
●
●
Nickolas
Jun 13, 2019
-1
789
1
HELP!
Five players on the East High basketball team all scored a different number of points in last night's game. Each player scored more than 9 points. Amanda scored the fewest points and Kara scored the second fewest points. If Kara scored 16 points and 16
read more ..
●
Guest
Jun 13, 2019
-3
1654
5
+24
help plsssss
Four different coins are used in Australia with values of 5, 10, 20, and 50 cents. The Australian coins in Farmer Tim's pocket have a total value of $3.95, and he has at least one of each coin. What is the smallest number of coins that he could have in
read more ..
●
●
●
●
●
ProffesorNobody
Jun 13, 2019
-5
947
2
+24
SOME BODY HELPPPPP
p(x)=x+9x2+20x+100p
read more ..
●
●
ProffesorNobody
Jun 13, 2019
-5
877
1
+24
Circle equation
A certain circle can be represented by the following equation.
x^2+y^2+6x+2y-6=0
What is the center of this circle ?
read more ..
●
ProffesorNobody
Jun 13, 2019
+1
1966
4
Help! In Rush!!
Suppose ten distinct, positive integers have a median of $10$. ("Distinct integers" means that no two integers are the same.) What is the smallest the average of those ten integers could be? Explain your answer in complete sentences.
●
●
●
●
Guest
Jun 13, 2019
-4
904
2
+24
Amplitude
What is the amplitude of h(x)=-5cos(2*pi*x+5)-2
●
●
ProffesorNobody
Jun 13, 2019
-5
4231
3
+24
Sinusoidal Function Question
The graph of a sinusoidal function intersects its midline at (0,1) and then has a maximum point at( 7pi/4 , 5 )
Write the formula of the function, where x is entered in radians.
●
●
●
ProffesorNobody
Jun 13, 2019
-3
3586
2
+24
Find an explicit formula for the geometric sequence 3,15,75,375,...
Find an explicit formula for the geometric sequence 3,15,75,375,...
●
●
ProffesorNobody
Jun 13, 2019
0
847
2
+379
Help please!
deleted.
hectictar
●
●
sinclairdragon428
Jun 13, 2019
Jun 12, 2019
+2
1036
7
+142
Complex Numbers
Let \[\omega\] be a nonreal root of \[z^3 = 1.\] Let \[a_1, a_2, \dots, a_n\] be real numbers such that \[\frac{1}{a_1 + \omega} + \frac{1}{a_2 + \omega} + \dots + \frac{1}{a_n + \omega} = 2 + 5i.\]Compute \[\frac{2a_1 - 1}{a_1^2 - a_1 + 1} + \frac{2a_2
read more ..
●
●
●
●
●
●
●
LeoIsTheBest
Jun 12, 2019
+1
1628
5
+142
Help On Complex Numbers
The four consecutive digits a, b, c and d are used to form the four-digit numbers abcd and dcba. What is the greatest common divisor of all numbers of the form abcd+dcba?
hectictar
●
●
●
●
●
LeoIsTheBest
Jun 12, 2019
+2
946
2
+1495
Hey people!
Whats up!!
off-topic
●
●
ManuelBautista2019
Jun 12, 2019
+2
1184
1
+1495
Help me please
What is the locus of points outside a circle and a distance d from the circle?
●
ManuelBautista2019
Jun 12, 2019
+3
1870
3
Please help fast!!
Twenty switches in an office computer network are to be connected so that each switch has a direct connection to exactly three other switches. How many connections will be necessary?
Please answer fast!!
●
●
●
Guest
Jun 12, 2019
+1
2354
1
Please help asap!!!
A group of people were asked what form of exercise they participate in. They were asked whether they walk, run, both walk and run, or neither walk nor run.
The table shows the probabilities of the results.
read more ..
●
Guest
Jun 12, 2019
+1
862
2
rate word problem
At 2:00 p.m. two cars start toward each other from towns 240 miles apart. If the rate of one car is 10 mph faster than the other, how fast does each car go if they meet at 5:00 p.m? and If 3x represents the distance that the slower car traveled,
read more ..
●
●
Guest
Jun 12, 2019
0
3701
1
if 15bx-20>35 where b is a positive constant, which of the following best describes all possible values of 4-3bx
if 15bx-20>35 where b is a positive constant, which of the following best describes all possible values of 4-3bx
A) any value less than -7
B) Any value greater than -7
C) Any value less than -11/3b
read more ..
hectictar
●
Guest
Jun 12, 2019
0
650
1
Help!
In how many patterns can six identical L-shaped pieces, each consisting of three unit squares, be placed to perfectly cover a fixed 3 by 6 board? One such pattern is shown.
read more ..
●
Guest
Jun 12, 2019
0
1135
3
+248
Modular arithmetic congruences
Suppose that x is an integer that satisfies the following congruences:
What is the remainder when x is divided by 105?
●
●
●
power27
Jun 12, 2019
0
886
3
help
Let and . Determine the sum of all and -coordinates of all points on the line such that
●
●
●
Guest
Jun 12, 2019
+2
897
4
+1008
Please Help Gracias
Please Help Gracias
●
●
●
●
Nickolas
Jun 12, 2019
+2
878
6
+1008
Please Help Gracias
7 Please Help Gracias
●
●
●
●
●
●
Nickolas
Jun 12, 2019
«
latest
9506
9505
..
5968
5967
5966
5965
5964
..
2
1
»
Post New Question
3 Online Users
Top Users
+130549
CPhill
moderator
+37185
ElectricPavlov
+33666
Alan
moderator
+15135
asinus
moderator
+3146
admin
administrator
+2272
Bosco
+1955
NotThatSmart
+1808
blackpanther
+850
cooIcooIcooI17
+448
HiylinLink
+267
CInsbstnkng
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.