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
229719 Questions
0
1695
1
help
Numbered discs are placed in a box and one disk is selected at random. If there are 5 red disk numbered 1 through 5, and 3 yellow discs numbered 6 through 8, find the probability of selecting a disc numbered 3, given that a red disk is selected.
<
read more ..
●
Guest
Feb 12, 2020
0
453
1
Not too sure about this
Give two different decompositions of the following functions into two new functions, u and v, where v is the inside function and 𝑢(𝑥) ≠𝑥 and 𝑣(𝑥) ≠𝑥. Verify that 𝑓(𝑥) = 𝑢(𝑣(𝑥)) in each case.
read more ..
●
Guest
Feb 12, 2020
0
709
3
please help geometry question!!! :(
In triangle let be the intersection of angle bisectors and Prove that
An in-depth response would be greatly appreciated.
read more ..
heureka
●
●
●
Guest
Feb 12, 2020
0
1298
5
The corner of a unit cube is chopped off such that the cut runs through the three vertices adjacent to the vertex
The corner of a unit cube is chopped off such that the cut runs through the three vertices adjacent to the vertex of the chosen corner. What is the height of the remaining cube when the freshly-cut face is placed on a table?
CalculatorUser
●
●
●
●
●
Guest
Feb 12, 2020
0
1319
1
HELP PLEASE-----GEOMETRY QUESTION
A rectangular box has interior dimensions 6-inches by 5-inches by 10-inches. The box is filled with as many solid 3-inch cubes as possible, with all of the cubes entirely inside the rectangular box. What percent of the volume of the box is taken up
read more ..
●
Guest
Feb 12, 2020
0
1171
3
Geometry question
A gecko is in a room that is 12 feet long, 10 feet wide and 8 feet tall. The gecko is currently on a side wall (10 by 8), one foot from the ceiling and one foot from the back wall (12 by 8). The gecko spots a fly on the opposite side wall, one
read more ..
●
●
●
Guest
Feb 12, 2020
0
755
3
+58
i don't understand. Help me. Respond on the first two please and thank you!
The sum of the first n terms of a certain sequence is n(n+1)(n+2). Find the tenth term of the sequence.
In a sequence of ten terms, each term (starting with the third term) is equal to the sum of the two previous terms. The seventh
read more ..
●
●
●
Aopshelp
Feb 12, 2020
0
1558
1
help
Arianna has a large piece of fabric that she wants to use to make some scarves. The number N of scarves she can make is inversely proportional to the area A of each scarf. If the area of each scarf is 4 square feet, then she can make 15 scarves. If the
read more ..
●
Guest
Feb 12, 2020
0
2839
1
math
You start driving north for 8 miles, turn right, and drive east for another 6 miles. At the end of driving, what is your straight line distance from your starting point?
●
Guest
Feb 12, 2020
0
620
1
help
This year's “Dream of a Lifetime" Lottery sold 50 000 tickets and gave away 5000 prizes, including one grand prize.
a) What is the probability that one ticket will win the grand prize?
b) What is the probability that one ticket will win any of the
read more ..
●
Guest
Feb 12, 2020
0
1932
5
Pls help
In a rhombus, each side has length $6.$ One of the angles of the rhombus is $120^\circ.$ Find the area of the rhombus.
●
●
●
●
●
Guest
Feb 12, 2020
0
761
6
Geometry....:(
A boat in calm seas travels in a straight line and ends the trip 22 km west and 53 km north of its original position. To the nearest tenth of a degree, find the direction of the trip.
●
●
●
●
●
●
Guest
Feb 12, 2020
0
553
2
help
One angle of a triangle is three times as large as another. The measure of the third angle is 65 more than the smallest angle. What are the measures of each angle
●
●
Guest
Feb 12, 2020
0
721
1
+304
Please help. Ty!!!
Let be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers such that is composite.
●
DragonLord
Feb 12, 2020
-1
699
2
+208
english
My first date with Donna was a disaster. I decided to take her to a small Italian restaurant. That my friends told me had reasonable prices. I looked over the menu and realized I could not pronounce the names of the dishes. Such as “veal piccata” and “fettuccini
read more ..
●
●
monkeyree1124
Feb 12, 2020
Feb 11, 2020
0
2832
2
HELP PLS
In triangle $XYZ$, we have $\angle X = 60^\circ$ and $\angle Y = 45^\circ$. The bisector of $\angle X$ intersects $\overline{YZ}$ at point $D$, and $DX = 24$. What is the area of triangle $XYZ$?
read more ..
●
●
Guest
Feb 11, 2020
0
3078
4
Help
In triangle $ABC$, we have $\angle A = 30^\circ$, $\angle B = 60^\circ$, and $\angle C=90^\circ$. Point $X$ is on $\overline{AC}$ such that $\overline{BX}$ bisects $\angle ABC$. If $AB = 12$, then what is the area of triangle $ABX$?
●
●
●
●
Guest
Feb 11, 2020
0
670
2
motorcycle
Can you show me an example of a markup percentage for a motorcycle?
off-topic
●
●
Guest
Feb 11, 2020
0
739
1
help
Emma cut a square hole out of a block of wood in wood shop. if the block was cube-shaped with side lengths of 12 inches, and the hole had side lengths of 3 inches, how much wood was left after the hole was cut out?
asinus
●
Guest
Feb 11, 2020
0
1003
1
Probability
The scores on an aptitude test are normally distributed with a mean of 18 and a standard deviation of 6.
a. What score would a student need to be in the top 50%?
b.What score would a student need to be in the 10th percentile?
c.What
read more ..
●
Guest
Feb 11, 2020
0
432
1
help
Lisa, Alonzo, and Tony have a total of $84 in their wallets. Lisa has $9 more than Tony. Alonzo has three times what Tony has. how much does each have?
●
Guest
Feb 11, 2020
«
latest
9187
9186
..
6287
6286
6285
6284
6283
..
2
1
»
Post New Question
2 Online Users
Top Users
+128079
CPhill
moderator
+118587
Melody
moderator
+33603
Alan
moderator
+14865
asinus
moderator
+3143
admin
administrator
+2436
GingerAle
+1703
tomtom
+1670
wiseowl
+1618
proyaop
+1248
bader
+1014
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.