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
232613 Questions
0
847
1
Express your answer in scientific notation.
Express your answer in scientific notation.
2.8⋅10^−3−0.00065 =2.8⋅10−3−0.00065
●
Guest
Jul 3, 2020
0
464
1
help
This is an advanced quadratic equation. Solve for x.
●
Guest
Jul 3, 2020
Jul 2, 2020
+1
466
1
please help
What is the value of ?
●
Guest
Jul 2, 2020
+1
603
1
help
Find the value of k if the line y = x + k is tangent to the graph of y = x^2.
●
Guest
Jul 2, 2020
-1
610
1
+107
very confused
help me with this problem please
The perpendicular bisector of the line segment connecting the points (-3,8) and (-5,4) has an equation of the form y=mx+b. Find m+b.
read more ..
●
xplosions
Jul 2, 2020
0
432
2
a forma algébrica de de grau 3 cujas razies são 2,5 e -4
a forma algébrica de de grau 3 cujas razies são 2,5 e -4
off-topic
●
●
Guest
Jul 2, 2020
0
408
0
Help Plz!
Guest
Jul 2, 2020
0
533
1
help
A rectangle whose area is 32 and perimeter is 24 is inscribed in a circle as shown. Find the area of the shaded region.
read more ..
●
Guest
Jul 2, 2020
+1
586
4
+93
help needed quickly
The perpendicular bisector of the line segment connecting the points (-3,8) and (-5,4) has an equation of the form y=mx+b. Find m+b.
●
●
●
●
stuckonmyproblem
Jul 2, 2020
0
397
2
help
A circle of radius 1 unit has an equilateral triangle PQR inscribed in it.
The points S and T are points on the circle such that QRST is a rectangle.
The area, in square units, of the rectangle is
read more ..
●
●
Guest
Jul 2, 2020
0
389
2
Very hard question.
Suppose we have a number n; if it is even divide by 2. If it is odd, multiply by 3 and add 1. Do all numbers lead to 1 if they follow this sequence? If true, prove why.
●
●
Guest
Jul 2, 2020
0
501
3
plz help
1. The eight vertices of a cube centered at (0, 0, 0) of side length 2 are at (±1, ±1, ±1).
a) Find the four vertices of the cube, starting with (1, 1, 1), that form a regular tetrahe- dron. Confirm your answer by finding the length of an edge and explaining
read more ..
●
●
●
Guest
Jul 2, 2020
0
507
3
help with geometry
In the diagram above, each circle is in contact two other circles and at least one side of the rectangle. The radii are perpendicular to the sides of the rectangle as shown. Find the area of the rectangle
read more ..
●
●
●
Guest
Jul 2, 2020
0
904
2
Help
Chris labels every lattice point in the coordinate plane with the square of the distance from the point to the origin (a lattice point is a point such that both of its coordinates are integers). How many times does he label a point with the number ?
read more ..
●
●
Guest
Jul 2, 2020
0
452
1
help with algebra
If (a + b)/b = 5 and (b + c)/c = 4, then what is (a + c)/c?
●
Guest
Jul 2, 2020
0
398
1
Help me fast!
1. There exist constants a, h, and k such that
for all real numbers x. Enter the ordered triple (a,h,k)
2. Geometrically speaking, a parabola is defined as the set of points that are the same distance
read more ..
●
Guest
Jul 2, 2020
+4
623
3
+171
heeeeelp
Suppose
where A, B, and C are real constants. What is A?
●
●
●
BillyBobJoeJr
Jul 2, 2020
0
541
1
In the figure, triangles ABC and BDC are equilateral triangles. What is the value of AD/BC when expressed in simplest radical form?
In the figure, triangles ABC and BDC are equilateral triangles. What is the value of AD/BC when expressed in simplest radical form?
●
Guest
Jul 2, 2020
0
454
1
help with log
Express as a rational number. I think you use log identities, but I'm not sure.
●
Guest
Jul 2, 2020
0
487
1
please help
Bugs buster loves collecting bugs in his tank. He has 300 spiders and millipedes in his tank, of which 10% are spiders. How many millipedes must he remove, such that 20% of the bugs that are left will be spiders?
●
Guest
Jul 2, 2020
+1
532
3
+171
help plz
Find the value of the sum
●
●
●
BillyBobJoeJr
Jul 2, 2020
0
458
1
please help
Daniel has three pairs of shoes in his closet: 2 red shoes, 2 black shoes, and 2 white shoes. If Daniel selects shoes randomly from his closet, how many must he pull out to ensure he has a matching pair?
●
Guest
Jul 2, 2020
«
latest
9303
9302
..
6815
6814
6813
6812
6811
..
2
1
»
Post New Question
4 Online Users
Top Users
+129514
CPhill
moderator
+118625
Melody
moderator
+33616
Alan
moderator
+14965
asinus
moderator
+12530
Omi67
moderator
+3144
admin
administrator
+2432
GingerAle
+1975
saseflower
+1847
tomtom
+1748
LiIIiam0216
+1654
bader
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.