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
230627 Questions
0
425
4
Quick question I have no idea where to start
In the diagram, what is the value of x
Hope u get better luck on trying this than i did,
Thanks in advance! :)
read more ..
●
●
●
●
Guest
Mar 13, 2020
0
386
1
please help
Jhovanna found four consecutive integers such that three times the sum of the first and the fourth was 114 less than the product of -5 and the sum of the first two. What were the integers?
●
Guest
Mar 13, 2020
0
388
1
help
Hector found four consecutive odd integers such that five times the sum of the first and the third was 22 greater than the product of and the sum of the second and the fourth. What were the integers?
●
Guest
Mar 13, 2020
+1
3500
4
A series of locks manages the water height along. Help Plz
A series of locks manages the water height along a water source used to produce energy. As the locks are opened and closed, the water height between two consecutive locks fluctuates. The height of the water at point B located between two locks
read more ..
off-topic
●
●
●
●
Guest
Mar 13, 2020
+1
552
1
+154
Help plz
Help please
off-topic
●
whatisthis1010
Mar 13, 2020
0
587
1
Help, please.
1. Find the equations of a line that is PARALLEL to y = 3/4x + 3 and passes through the point (3,-7). And it must but in point-slope form.
2. Find the equations of a line that is PERPENDICULAR to y = -3/2x + 3 and passes through the point
read more ..
●
Guest
Mar 13, 2020
0
1944
1
help
The sinusoidal function f(x)=48sin(6x−π/9)+48 models the height, in centimeters, that a valve stem of the a tire is above ground x seconds after the tire begins to rotate.
How long does it take the valve stem to complete
read more ..
●
Guest
Mar 13, 2020
0
594
1
is this possible?
Find three consecutive integers such that twice the greatest integer is 3 less than 3 times the least integer
●
Guest
Mar 13, 2020
0
543
1
algebra
If 8 is added to twice a number and this sum is multiplied by 3, the result is the same as if the number is multiplied by 3 and 9 is added to the product. What is the number?
●
Guest
Mar 13, 2020
0
431
1
i need help
If 3 is added to twice a number and this sum is multiplied by 6, the result is the same as if the number is multiplied by 5 and 4 is added to the product. What is the number?
●
Guest
Mar 13, 2020
0
508
1
pleez help!
Write an equation of a line that is perpendicular to y=2x-3 and has a y intercept of 10
●
Guest
Mar 13, 2020
0
598
1
please help
15 cookies and brownies were sold. Each cookie was sold at $1.50 and each brownie was sold at $2.25. $ 26.25 was the total. How many cookies were sold? How many brownies were sold?
●
Guest
Mar 13, 2020
+1
889
1
+308
help
What is the least four-digit whole number that is both a perfect square and a perfect cube?
●
notsmart2.0
Mar 13, 2020
0
362
1
help!!!
A box contains 9 balls marked 1 to 9. Four balls are drawn in succession
without replacement. Determine the probability that the four-digit number
formed is:
a. even
b. greater than 5000 <#> c. an odd number less than 3000
●
Guest
Mar 13, 2020
0
831
1
please help
The vertices of a triangle are A(4, 1), B(9, 1), C(2, 5). What is the area of this triangle.
●
Guest
Mar 13, 2020
0
349
0
Suppose that f is an invertible function from (-inf,inf) to (-inf,inf) . If f(f(x))=x, find f(x)-f^-1(x).
Suppose that f is an invertible function from (-inf,inf) to (-inf,inf) . If f(f(x))=x, find f(x)-f^-1(x).
Guest
Mar 13, 2020
0
686
1
help
Can anyone give me some guidance here?
A special type of door lock has a panel with five buttons labeled with the digits 1 through 5. This lock is opened by a sequence of three actions. Each action consists of either pressing one
read more ..
●
Guest
Mar 13, 2020
0
357
0
if f(x)=x^3 + 3x^2 + 1, find f(f^-1(2010))
if f(x)=x^3 + 3x^2 + 3x+ 1, find f(f^-1(2010)).
Guest
Mar 13, 2020
0
751
4
help
A tugboat goes 180 miles upstream in 10 hours, the return trip downstream takes 5 hours. Find the speed of the tugboat without the current, and the speed of the current
●
●
●
●
Guest
Mar 13, 2020
0
1092
1
HELPPP
Six witches and ten sorcerers are at an arcane mixer. The witches have decided to shake hands with each of the sorcerers. None of the witches bothered to shake each other's hands, since they are all good friends already, and the sorcerers all sort of hate
read more ..
●
Guest
Mar 13, 2020
0
308
0
HELp
How many degrees are there in the measure of angle $P?$
Guest
Mar 13, 2020
0
2631
1
HELPP
How many interior diagonals does an icosahedron have? (An $\emph{icosahedron}$ is a 3-dimensional figure with 20 triangular faces and 12 vertices, with 5 faces meeting at each vertex. An $\emph{interior}$ diagonal is a segment connecting two vertices which
read more ..
●
Guest
Mar 13, 2020
Mar 12, 2020
0
450
1
help
A small plane takes off and heads directly upwind to an airport 40 miles away. It takes 30 minutes to get there. The return trip takes 20 minutes. What is the speed of the wind in miles per hour?
●
Guest
Mar 12, 2020
+1
739
1
1) The value of y is inversely proportional to z... This is important to me so I need help!
1) The value of y is inversely proportional to z3 and directly proportional to 2x when x = 6, y = 8, and z = 2.
(a) Express y as a function of x and z.
read more ..
●
Guest
Mar 12, 2020
«
latest
9224
9223
..
6373
6372
6371
6370
6369
..
2
1
»
Post New Question
1 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14917
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1505
bader
+1105
parmen
+1032
kittykat
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.