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
237243 Questions
0
260
2
plz help in hard problem
In the diagram below, we have $AB = 24$ and $\angle ADB =90^\circ$. If $\sin A = \frac23$ and $\sin C = \frac13$, then what is $DC$?
●
●
Guest
Jul 2, 2022
0
181
0
coordinates
If the graph of the line y=ax+b passes through the points (4,5) and, (-8,17) what is a-b?
Guest
Jul 2, 2022
0
255
1
circles
What is the number of square meters in the area of a circle with radius 6 meters? Express your answer in terms of pi.
●
Guest
Jul 2, 2022
0
293
4
geometry question
Square A has side lengths each measuring x inches. Square B has side lengths each measuring x inches. What is the ratio of the area of the smaller square to the area of the larger square? Express your answer as a common fraction.
●
●
●
●
Guest
Jul 2, 2022
0
235
1
quadratic
Find the largest integer such that the equation
5x^2 - mx + 8 = 4x^2 - 12
has no real solutions.
●
Guest
Jul 2, 2022
+8
299
2
+1166
help pls. appreciated.
A point (x,y) is randomly and uniformly chosen inside the square with vertices (0,0), (0,2), (2,2) and, (2,0). What is the probability that x+y < 3 ?
●
●
nerdiest
Jul 2, 2022
+1
260
1
+5
x^3=-4+4i to polar form
the question is to convert into polar form.
I got this far:
, so to convert the complex number inside the cubic root to polar coordinates,
, which is ,
read more ..
●
WestSideVader
Jul 2, 2022
0
241
1
help
Given that log_{4n} (40*sqrt(3)) = log_{2n} (45), find n^3.
●
Guest
Jul 2, 2022
0
269
1
stats
On her daily homework assignments, Qinna has earned the maximum score of 10 on 15 out of 40 days. The mode of her 40 scores is 8 and her median score is 9. What is the least that her arithmetic mean could be? Express your answer
read more ..
●
Guest
Jul 2, 2022
0
255
1
help pls (sry idk how to do latex form)
A circle is drawn through the vertices of square ABCD, and point X is on minor arc AB. Given that [XAB] = 1 and [XCD] = 993, find [XAD]+[XBC].
●
Guest
Jul 2, 2022
0
248
1
counting
How many different bracelets have 4 identical red beads, 4 identical orange beads, and 2 yellow beads, if rotating or flipping a bracelet does not change it?
●
Guest
Jul 2, 2022
0
225
1
help counting
What is the sum of all the positive two-digit integers where one of the digits is four times the other plus seven?
●
Guest
Jul 2, 2022
0
271
1
geometry
The numerical value of a particular square's area is equal to the numerical value of its perimeter times four. What is the length of a side of the square?
●
Guest
Jul 2, 2022
0
272
2
help geometry
An equilateral triangle and a square have the same perimeter of 12 inches. What is the ratio of the area of the triangle to the area of the square? Express your answer as a common fraction.
●
●
Guest
Jul 2, 2022
0
282
1
divisors
If a=7$ and b=13, what is the number of even positive integers less than ab + a + b?
●
Guest
Jul 2, 2022
0
274
2
Geometry question
Find the inradius of triangle ABC.
Find the circumradius of triangle ABC.
read more ..
●
●
Guest
Jul 2, 2022
0
268
1
Counting
How many four-character license plates consist of a consonant, followed by a vowel, followed by a consonant, and then a vowel? (For this problem, consider Y a vowel.)
●
Guest
Jul 2, 2022
0
286
3
need help
It takes 8 cups of chocolate chips to make 12 cookies. How many cups of chocolate chips will it take to make 24 cookies?
●
●
●
Guest
Jul 2, 2022
Jul 1, 2022
0
260
1
Probability
What is the probability that a randomly drawn positive integer factor of 60 is less than 3?
●
Guest
Jul 1, 2022
0
273
1
counting
I have eleven books, of which I want to bring two to read on vacation. How many different pairs can I choose, if I want one of them to be "Great Expectations"?
●
Guest
Jul 1, 2022
0
263
1
Probability
A cube 4 units on each side is composed of 64 unit cubes. Two faces of the larger cube that share an edge are painted blue, and the cube is disassembled into 64 unit cubes. Two of the unit cubes are selected uniformly at random. What is the probability
read more ..
●
Guest
Jul 1, 2022
0
241
3
logs
Find a/b when 2 log(a - 3b) = log a + log b.
●
●
●
Guest
Jul 1, 2022
+1
292
3
+75
help algebra
What is the smallest value of
●
●
●
HelpMePlssss
Jul 1, 2022
0
188
0
help algebra
Let a and b be positive real numbers such that a^b = b^a and b = 2a. Then a can be expressed in the form[ m sqrt (n)] where m and n are positive integers, and n is as small as possible. Find m + n
read more ..
Guest
Jul 1, 2022
«
latest
9488
9487
..
8446
8445
8444
8443
8442
..
2
1
»
Post New Question
2 Online Users
Top Users
+130466
CPhill
moderator
+33654
Alan
moderator
+15054
asinus
moderator
+3146
admin
administrator
+2234
GingerAle
+1946
NotThatSmart
+1766
blackpanther
+1725
parmen
+1556
kittykat
+1493
learnmgcat
+1376
Bosco
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.