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
230706 Questions
0
1
1134
0
help
A triangle ABC has sides AB=90 cm and AC=120 cm. A line segment DE is formed such that D lies on side AB while E lies on side AC. If the ratio of the areas of two triangles is 3:5, how far is E from C if AD measures 60 cm?
Guest
Feb 14, 2020
0
895
1
+1486
Find the length of the arc L if angle β = 111 degrees
The area of an equilateral triangle MNO is 10 cm². (See diagram below) Find the length of the arc L if angle β = 111°.
●
Dragan
Feb 14, 2020
0
605
1
+865
Help!
A point Q is chosen at random inside triangle XYZ which is equilateral. Find the probability that Q is closer to the center of the triangle than to X, Y, or Z.
(In other words, let O be the center of the triangle. Find the probability that
read more ..
●
AnimalMaster
Feb 14, 2020
0
593
1
What are the solutions to the equation f(x)=g(x)?
Am i correct please help thank you
geno3141
●
Guest
Feb 14, 2020
0
352
1
help
Mark has 21 coins in his pocket consisting of quarters, dimes, nickels, and pennies. He has at least one of each. The total amount of marks change is one dollar. How many of each coin does he have?
●
Guest
Feb 14, 2020
0
373
1
I really need help rn
What is the value of $b+c$ if $x^2+bx+c>0$ only when $x\in (-\infty, -2)\cup(3,\infty)$?
●
Guest
Feb 14, 2020
0
626
2
What are the solutions to the system of equations?
Am I correct?Please help ASAP!!!!
●
●
Guest
Feb 14, 2020
0
611
1
help
How many 7-digit telephone numbers are possible if the first digit cannot be zero and
a. every other digit is odd
b. the telephone number must start with 226 and end with 5
c. no repetitions are allowed
●
Guest
Feb 14, 2020
0
439
0
draw a venn diagram And use the given information to fill in the number of elements in each region
draw a venn diagram And use the given information to fill in the number of elements in each region
n(A)=16 , n(AnBnC)=6 , n(AnC)=13 , n(AnB')=8 , n (BnC)=10 , n(A'nB'nC')= 21 , n(BnC')=5 , n(BuC)=35
Please help ASAP
Guest
Feb 14, 2020
0
1789
1
Help, please!
Let $X$, $Y$, and $Z$ be points on a circle. Let $\overline{XY}$ and the tangent to the circle at $Z$ intersect at $W$. If $WX = 4$, $WZ = 8$, and $\overline{WY} \perp \overline{WZ}$, then find $YZ$.
[asy] unitsize(2
read more ..
●
Guest
Feb 14, 2020
0
672
1
help
A commercial jetliner with an air speed of 640 mi/hr leaves Chicago and flies due west at the same time that a small single-engine plane with an air speed of 180 mi/hr leaves Chicago and flies due east. Determine the speed of a wind blowing from the west
read more ..
●
Guest
Feb 14, 2020
0
559
1
Solve for x
x - .3(x) = 150,000
●
Guest
Feb 14, 2020
0
465
1
What are the solutions to the system of equations?
Am I correct? please help ASAP!!!!
●
Guest
Feb 14, 2020
0
396
0
help
In a certain small town, 3 professional burglars are currently out of prison: Alex, Becky, and Carl. Alex has in the past committed 55% of the burglaries committed by the three, Becky 31%, and Carl the rest. But only 1/3 of Alex’s jobs are burglaries of
read more ..
Guest
Feb 14, 2020
0
2674
1
help asap
Let triangle $DEF$ be equilateral, where the side length is $3.$ A point $G$ is chosen at random inside the triangle. Find the probability that the length $DG$ is at most $1.$
●
Guest
Feb 14, 2020
0
661
1
need help
The average weight of all male stars in a movie is 71.2kg, whereas the average weight of all female stars is 50.8kg. If the mean weight of all male and female stars is 60kg, find the ratio of male stars to female stars acting in the movie.
●
Guest
Feb 14, 2020
0
390
1
Confused.
Four points A_1, A_2, A_3, and A_4 are chosen at random on a circle. Find the probability that chords A_1 A_2 and A_3 A_4 intersect.
●
Guest
Feb 14, 2020
0
2314
1
Math
If person rolls a six-sided die and then draws a playing card and checks its color, describe the sample space of possible outcomes using 1,2,3,4,5,6 for the die outcomes and B, R for the card outcomes(Make sure your answers reflect the order stated.)
read more ..
●
Guest
Feb 14, 2020
0
374
2
Time of the day
A business man looks at his watch before leaving the office for lunch. When he returns, he finds that the hour and minute hands have exchanged places from the position they had when he left the office. 1- Find the time when he left and 2 - the time when
read more ..
●
●
Guest
Feb 14, 2020
+1
1821
2
+308
help
Angle PQR is a right angle. The three quadrilaterals shown are squares. The sum of the areas of the three squares is 338 square centimeters. What is the number of square centimeters in the area of the largest square?
read more ..
●
●
notsmart2.0
Feb 14, 2020
0
334
0
Please help
What is the value of $c$ if $x\cdot(3x+1)
Guest
Feb 14, 2020
0
606
1
help
Sarah Meeham blends coffee for Tasti-Delight. She needs to prepare 190 pounds of blended coffee beans selling for $4.55 per pound. She plans to do this by blending together a high-quality bean costing $5.50 per pound and a cheaper bean at $3.25 per pound.
read more ..
●
Guest
Feb 14, 2020
0
470
4
halps plssss asapp
Anty the ant is on the real number line, and Anty's goal is to get to $0.$ If Anty is at $1,$ then on the next step, Anty moves to either $0$ or $2$ with equal probability. If Anty is at $2,$ then on the next step, Anty always moves to $1.$ Let $e_1$ be
read more ..
●
●
●
●
Guest
Feb 14, 2020
«
latest
9227
9226
..
6293
6292
6291
6290
6289
..
2
1
»
Post New Question
1 Online Users
Top Users
+128475
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14921
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1553
bader
+1117
parmen
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.