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
237784 Questions
0
307
1
Geometric sequences
The positive integers A, B, and C form an arithmetic sequence while the integers B, C, and D form a geometric sequence. If C/B = , what is the smallest possible value of A + B + C + D?
●
Guest
May 10, 2022
0
226
0
Math
An empty rectangular tank measured 70 cm by 25 cm by 36 cm. A stone volume 4500 cm! is placed in the tank. Then the tank is filled with water flowing from a tap in a rate of 9 liters per minute. How long will it take to fill the tank?
Guest
May 10, 2022
0
278
1
Logarithmic with sequences
A geometric sequence begins....
8,16,32,64...
read more ..
●
Guest
May 10, 2022
0
445
1
How many terms are in the geometric sequence?
How many terms are in the geometric sequence?
\[3, 3 \sqrt 2, 6, \dots, 96, 96 \sqrt 2, 192\]
●
Guest
May 10, 2022
0
415
3
Sequences
Suppose w,x,y,z are positive real numbers such that w,x,y,z form an increasing arithmetic sequence, and w,x,z form a geometric sequence.
What is the value of w/z ? The answer must be in fraction, dont divide it.
read more ..
●
●
●
Guest
May 10, 2022
May 9, 2022
0
227
0
equation
Solve x - 6 = sqrt(3x).
Guest
May 9, 2022
0
348
1
+32
question on a math competition, i know the answer, i don't know how to get to it
A stack contains 7 green marbles and 3 red marbles. 2 marbles are taken from the sack w/out replacement. What is the probability of taking one green marble and one red marble (in any order)?
●
catswift
May 9, 2022
0
203
0
2.9955333 x 10^12
2.9955333 x 10^12
Guest
May 9, 2022
0
215
0
Quadratic
The solutions of x(2x-7)=3+5x may be expressed in the form (m + sqrt(n))/p and (m - sqrt(n))/p, where m, n, and p are relatively prime numbers. Find m+n+p.
Guest
May 9, 2022
0
213
0
Coordinates
A segment with endpoints at A(2, -2) and B(14, 4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C? Express your answer as an ordered pair.
Guest
May 9, 2022
0
212
0
3d geometry
A sector of 144 degrees is removed from a circle of radius 15, and the remaining portion is folded into a cone. What is the angle at the vertex of the cone?
Guest
May 9, 2022
0
275
0
Math
Emily has a drawer full of colorful ribbons. The probability of randomly selecting a green ribbon is 82%.
Which of the following describes the likelihood of selecting a green ribbon?
Guest
May 9, 2022
0
230
0
Logarithms
What is the largest integer less than log_2(2/1) + log_2(3/2) + log_2(4/2) + ... + log_2(64/63)?
Guest
May 9, 2022
0
227
0
Divisors
If we let f(n) denote the sum of all the positive divisors of the integer n, how many intergers i exist such that and 1 <= i <= 2010 and f(i) = i + 1?
Guest
May 9, 2022
0
240
0
Domain
The domain of the function h(x) = sqrt{25-x^2} is an interval of what width?
Guest
May 9, 2022
0
394
1
How many of the $401$ integers from $-200$ to $200$ are congruent to $5 \pmod{13}?$\\
How many of the $401$ integers from $-200$ to $200$ are congruent to $5 \pmod{13}?$\\
helppp
●
Guest
May 9, 2022
0
207
0
Domain
Find the domain of the function (x^4 - 4x^3 + 6x^2 - 4x + 1)/(x^2 + 4)
Guest
May 9, 2022
0
219
0
Math quiz
I need help with this question pls answer it
Guest
May 9, 2022
0
211
0
Polynomial
Find all roots given that x = 3 + i is a solution.
x^4 - 10x^3 + 29x^2 - 10x - 50 = 0
Guest
May 9, 2022
0
287
2
could someone please help me work out this problem?
how would i solve: (4-4i)(i^24+6i)/(i^245)
i already know to foil it at some point
read more ..
●
●
Guest
May 9, 2022
0
268
1
Binomial Theorem
Find the coefficient of u^2 in expansion of (2u - 1)^5 using binomial theorem.
●
Guest
May 9, 2022
0
280
2
Help please
Find the number of 10-digit numbers, where the sum of the digits is divisible by 10
not 2000000
●
●
Guest
May 9, 2022
0
267
0
+8
What quadrant does the terminal ray of the angle drawn in standard position lie in?
What quadrant does the terminal ray of the angle drawn in standard position lie in?
Drag the angle measure to each box to match the quadrant location of the terminal ray of the angle.
read more ..
Card2190120213
May 9, 2022
0
276
0
+8
What is the sign of the trigonometric function, given the quadrant the terminal ray of an angle lies in? Select all correct statements.
What is the sign of the trigonometric function, given the quadrant the terminal ray of an angle lies in?
Select all correct statements.
read more ..
Card2190120213
May 9, 2022
0
335
2
Probability
Each of the digits 0-9 is written on a slip of paper, and the slips are placed in a hat. If 5 slips of paper are selected at random, determine the probability that the 5 numbers selected are greater than 3.
●
●
Guest
May 9, 2022
«
latest
9510
9509
..
8353
8352
8351
8350
8349
..
2
1
»
Post New Question
2 Online Users
Top Users
+130516
CPhill
moderator
+118723
Melody
moderator
+15131
asinus
moderator
+2221
Bosco
+1844
blackpanther
+1580
kittykat
+1540
learnmgcat
+1309
AnswerscorrectIy
+1024
Hi6942O
+1022
gnistory
+1013
magenta
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.