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}
226290 Questions
0
268
3
Help!!!(with math)
What two numbers add to 25 and divide to 4?
●
●
●
Guest
Mar 29, 2022
0
186
1
Number Theory
Of the first 2011 numbers, what is the minimum number that we have to draw randomly in order to ensure that there are: a) at least 2 numbers whose difference is exactly 111, and b) whose difference is 111 or greater? Thank you for help.
●
Guest
Mar 29, 2022
0
348
3
Word problem
A horse-drawn carriage tour company has found that the number of people that take their tour depends on the price charged per customer. The more the company charges for a tour, the fewer people decide to take the tour.
The function c(x)=50+5x represents
read more ..
●
●
●
Guest
Mar 29, 2022
0
221
2
Quadratic
What real value of t produces the smallest value of the quadratic t^2 -12t - 36 + 18t - 4?
ElectricPavlov
●
●
Guest
Mar 29, 2022
0
237
1
geometry
Let XY be a tangent to a circle, and let be a XBA secant of the circle, as shown below. If AX = 16 and XY = 10, then what is AB?
read more ..
●
Guest
Mar 29, 2022
0
288
1
The value of a car purchased for $20,000 decreases at a rate of 12% per year. What will be the value of the car after 3 years?
The value of a car purchased for $20,000 decreases at a rate of 12% per year. What will be the value of the car after 3 years?
ElectricPavlov
●
Guest
Mar 29, 2022
0
229
1
fraction
What numeral is in the 100th decimal place in the decimal representation of 6/11?
ElectricPavlov
●
Guest
Mar 29, 2022
0
228
1
Inequality
Let a be the smallest integer satisfying the inequality x^2 - 15 < 12x + 7x - 3, and let b be the largest integer satisfying the same inequality. What is b-a?
●
Guest
Mar 29, 2022
0
227
1
Factoring
Write a^4 - 3a^2 + 9 - 19 as a product of two monic quadratics with integer coefficients.
ElectricPavlov
●
Guest
Mar 29, 2022
0
238
1
graphing
The graph of y=f(x) is shown in red below. For how many values of c is f(c) = -1?
ElectricPavlov
●
Guest
Mar 29, 2022
0
282
1
Let O be the center of a regular tetrahedron ABCD. find cosAOB
Let O be the center of a regular tetrahedron ABCD. find cosAOB
●
Guest
Mar 29, 2022
0
220
1
Three vertices of a cube in space are
Three vertices of a cube in space are A = (2,3,0), B = (0,5,4), and C = (4,1,8). Find the center of the cube.
●
Guest
Mar 29, 2022
0
216
1
Three vertices of a cube in space are A = (2,3,0), B = (0,5,4), and C = (4,1,8). Find the center of the cube.
Three vertices of a cube in space are A = (2,3,0), B = (0,5,4), and C = (4,1,8). Find the center of the cube.
●
Guest
Mar 29, 2022
0
217
1
Right triangle ABC with lies in plane with
Right triangle ABC with lies in plane with angle C = 90, lies in plane II with BC=3 and AC=4. Segments AR, BS, and CT are drawn perpendicular to, and on the same side of, plane II. If AR=7, BS=6, and CT=10, compute cos (angle RTS).
read more ..
●
Guest
Mar 29, 2022
0
242
1
Probability
In a class of 40 social sciences students, 10 are not showing any covid-19 signs and every student of the remaining 30 has high fever, chest pain or both. If 15 have high fever and 25 have chest pain. If a student is selected randomly from this group, what
read more ..
●
Guest
Mar 29, 2022
0
267
1
The cost C (in dollars) of making a square window with a side length of n inches is represented by C=n^2/5+175 . A window costs $355.
The cost C (in dollars) of making a square window with a side length of n inches is represented by C=n^2/5+175. A window costs $355. What is the side length (in feet) of the window?
●
Guest
Mar 29, 2022
Mar 28, 2022
0
256
4
if , find .
if , find .
Let x and b be positive real numbers so that Find
read more ..
●
●
●
●
Guest
Mar 28, 2022
0
252
1
hw help
If , then find .
i am pretty sure we'd have to apoky the log formulas/rules to this problem, but im not sure how.
read more ..
●
Guest
Mar 28, 2022
0
255
2
pls help
The square is divided into 4 parts, W, X, Y and Z. W and X form 1/2 of the square. The area of Y is double of the area of Z, while the ratio of the area of X to the area of W is 1:3. What fraction
read more ..
●
●
Guest
Mar 28, 2022
0
268
4
Area perimeter
This figure is not drawn to scale. It is made up of 3 squares. The ratio of the area of the smallest square to the largest square is 2:9 while the shaded area is 3/7 of the unshaded area. What
read more ..
●
●
●
●
Guest
Mar 28, 2022
0
253
1
how many soluions are there to this equation
how many soluions are there to this equation
8x+11=8x+8
●
Guest
Mar 28, 2022
«
latest
9050
9049
..
8274
8273
8272
8271
8270
..
2
1
»
Post New Question
3 Online Users
Top Users
+118571
Melody
moderator
+36715
ElectricPavlov
+33566
Alan
moderator
+14788
asinus
moderator
+3143
admin
administrator
+2427
GingerAle
+1120
juriemagic
+941
sandwich
+938
Mathefreaker2021
+936
wiseowl
+746
history
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.