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
230433 Questions
+1
765
4
+60
help
find the standard equation of the circle of radius 2 that are tangent to both the line x=1 and y=3 .
●
●
●
●
shgg111
Nov 18, 2019
0
381
1
Math
In a game, you roll a die and win if you roll a 6. Otherwise, you lose. If you play 9 times what is the probability that you won exactly twice? (to 2 decimal places)
●
Guest
Nov 18, 2019
0
742
4
Umm help
How many two thirds are in one?
●
●
●
●
Guest
Nov 18, 2019
0
741
2
help
Simplify sqrt(17 + 12*sqrt(2)).
●
●
Guest
Nov 18, 2019
0
775
2
Can you help me
If A divided by B equals 4 then what does B divided by A equal?
●
●
Guest
Nov 18, 2019
0
659
2
help
Given that AB = 7.7, angle CAB = 36 degrees, BC = 9, and angle ACD = angle BCD. Find AD.
●
●
Guest
Nov 18, 2019
0
631
1
help
Find a perfect square which has four digits and the first two digits are same and the last two digits are also same.
ElectricPavlov
●
Guest
Nov 18, 2019
-1
661
2
+1982
Is this statement true or false?
Is this statement true or false?
The point (5, -1) is a solution of the equation: y = 2x − 11
A. true
read more ..
●
●
macabresubwoofer
Nov 18, 2019
-1
956
3
+1982
Name the ordered pair that point B represents in the graph.
Name the ordered pair that point B represents in the graph.
read more ..
●
●
●
macabresubwoofer
Nov 18, 2019
-1
804
1
+1982
Write an algebraic expression for the word phrase: the difference of four cubed and ‘a’.
Write an algebraic expression for the word phrase: the difference of four cubed and ‘a’.
A. 4^3
B. 4^3 – a
C. 4^3 a
read more ..
●
macabresubwoofer
Nov 18, 2019
-1
2114
2
+1982
Write the difference of 5 and x as a mathematical expression.
Write the difference of 5 and x as a mathematical expression.
A. 5x
B. 5 – x
C. 5 + x
read more ..
●
●
macabresubwoofer
Nov 18, 2019
-1
989
1
+1982
Which of the following expressions is a correct way to write this, if the radius is x?
The area of a circle is approximately 3.14 times the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?
A. 2(3.14)x
B. x(3.14)^2
C. 3.14x^2
read more ..
●
macabresubwoofer
Nov 18, 2019
0
787
5
help
Solve y^2 - |4y - 2| + 5 = 0.
●
●
●
●
●
Guest
Nov 18, 2019
-5
822
2
+379
Help please!
deleted.
●
●
sinclairdragon428
Nov 18, 2019
0
608
1
help
Find the product of all real numbers n which satisfy |n^2 - 9n + 20| = |16 - n^2|.
heureka
●
Guest
Nov 18, 2019
0
981
1
help
John has an ample supply of 10-cent stamps and 15-cent stamps. He will buy an ample supply of stamps of one more denomination, which is a whole number. He needs to be able to combine the stamps to make any value of 30 cents or more. In
read more ..
●
Guest
Nov 18, 2019
0
462
1
circle
A circle of radius 5 with its center at (0,0) is drawn on a Cartesian coordiante system. How many lattice points lie within or on this circle?
●
Guest
Nov 18, 2019
0
833
3
help please thx
1. Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)?
2. Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be
read more ..
●
●
●
Guest
Nov 18, 2019
0
679
8
Math
a) Three families celebrate Thanksgiving together: Alvarados, the Bells, and the Carsons. There are four people in each family. Afterwards they line up for a large group photo. How many ways can the 12 of them line up?
b) this time they want to
read more ..
off-topic
●
●
●
●
●
●
●
●
Guest
Nov 18, 2019
0
558
2
Math
Three families celebrate Thanksgiving together: Alvarados, the Bells, and the Carsons. There are four people in each family. Afterward, they line up for a large group photo. How many ways can the 12 of them line up?
off-topic
●
●
Guest
Nov 18, 2019
0
632
2
help
A diagonal of a polyhedron is a line segment connecting two non-adajcent vertices. How many diagaonals does a pentagonal prism have?
read more ..
●
●
Guest
Nov 18, 2019
«
latest
9216
9215
..
6129
6128
6127
6126
6125
..
2
1
»
Post New Question
8 Online Users
Top Users
+128406
CPhill
moderator
+118608
Melody
moderator
+33614
Alan
moderator
+14903
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1763
tomtom
+1409
bader
+1037
parmen
+1030
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.