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
237767 Questions
0
126
1
percent
Our badminton team has finished 75% of its season. So far, we have won 20% of the games we played. What percent of the remainder of our games must we win in order to finish the season with the same number of wins as losses?
read more ..
●
Guest
Jun 22, 2023
Jun 21, 2023
0
138
1
system
Need help with system
Find the ordered quintuplet (a,b,c,d,e) that satisfies the system of equations
a + 2b + 3c + 4d + 5e = 41
2a + 3b + 4c + 5d + e = 15
read more ..
●
Guest
Jun 21, 2023
0
122
0
proportion
I need help with this
In physics, Ohm's law says that current through a wire, I, is directly proportional to voltage, V, and inversely proportional to resistance, R:
I = V/R
It's also true that resistance is directly proportional
read more ..
Guest
Jun 21, 2023
+1
127
2
solve
Alice and Bob each have a certain amount of money. If Alice receives n dollars from Bob, then she will have 4 times as much money as Bob. If, on the other hand, she gives n dollars to Bob, then she will have 8 times as much money as Bob. If neither
read more ..
●
●
Guest
Jun 21, 2023
0
127
1
system question
Im having trouble with this
One ordered pair (a,b) satisfies the two equations ab^4 = 48 and ab = 72. What is the value of b in this ordered pair? (Note: you may have to use the Tab key to get your cursor into the middle answer box
read more ..
●
Guest
Jun 21, 2023
0
145
1
proportion
Each gallon of paint covers 200 square feet. I have to paint one side of a wall that is 15 meters tall and meters long. If a foot is approximately 0.3048 meters, then what is the smallest whole number of gallons I can buy
read more ..
●
Guest
Jun 21, 2023
0
142
2
Help Please.
Let be a positive integer.
(a) There are ordered pairs of positive integers, where Using a counting argument, show that this number is also equal to
(b) There are ordered
read more ..
●
●
Guest
Jun 21, 2023
0
132
0
rate question
A plane flies from Penthaven to Jackson and then back to Penthaven. When there is no wind, the round trip takes 3 hours and 36 minutes, but when there is a wind blowing from Penthaven to Jackson at 20 miles per hour, the trip takes
read more ..
Guest
Jun 21, 2023
0
114
7
help plz
Catherine rolls a standard 6-sided die six times. If the product of her rolls is then how many different sequences of rolls could there have been? (The order of the rolls matters.)
●
●
●
●
●
●
●
Guest
Jun 21, 2023
0
135
0
Angle bisectors
In triangle PQR, let X be the intersection of the angle bisector of angle P with side QR, and let Y be the foot of the perpendicular from X to line PR. If PQ = 9, QR = 9, and PR = 9, then compute the length of XY.
read more ..
Guest
Jun 21, 2023
0
137
0
solve
Solve for the variable x in terms of y and z, assuming y \neq \frac{1}{2}:
xy + x = \frac{3x + 2y + z + y + 2z}{3}
Guest
Jun 21, 2023
0
130
3
solve
Find all values of x such that \sqrt{4x^2} + \sqrt{x^2} = 6 + 3x.
●
●
●
Guest
Jun 21, 2023
0
100
8
+17
Help Fast Please
An 8x8 square is allowed to slide around in a 10 x 18 rectangle, as shown below. The top vertex of the square always stays on the top edge of the rectangle, and the bottom vertex of the square always stays on the bottom edge of the rectangle.
read more ..
●
●
●
●
●
●
●
●
ThamHamkid
Jun 21, 2023
0
130
0
trapezoid
Can anyone help with this?
Let ABCD be a trapezoid with bases AB and CD. Let P be a point on side CD, and let X, Y be the feet of the altitudes from P to AD, BC respectively. Prove that if AD = 5, BC = 7, AB = 6, CD = 12,
read more ..
Guest
Jun 21, 2023
0
136
1
help help
Real numbers a and b satisfy
a + ab = 250
a - ab = -240
Enter all possible values of a, separated by commas.
read more ..
●
Guest
Jun 21, 2023
0
98
1
Help
A lattice point is a point in the plane with integer coordinates. How many lattice points are inside the region bounded by the graphs of $y = x^2$ and $y = 7$?
●
Guest
Jun 21, 2023
0
137
1
system
Find the ordered triple (p,q,r) that satisfies the following system:
p - 2q = 3
q - 2r = -2 + q
p + r = 9 + p
read more ..
●
Guest
Jun 21, 2023
0
129
1
rate question
I drove to the beach at a rate of 40 miles per hour. If I had driven at a rate of 50 miles per hour instead, then I would have arrived 45 minutes later. How many miles did I drive?
●
Guest
Jun 21, 2023
0
117
1
ratios
In Linguistics 101, the ratio of the number of juniors to the number of seniors is 3:2. When six more juniors join the class, and one senior drops the class, the ratio of the number of juniors to the number of seniors becomes 2:3. How many
read more ..
●
Guest
Jun 21, 2023
0
135
1
Solve for X
111x = 7 in computer science maths
●
Guest
Jun 21, 2023
0
137
3
+194
help with this question from one of my previous tests
What is the distance between the center of the circle with equation x^2+y^2=-4x+6y-12 and the point (1,7)? I was pretty sure 10 is correct, but apparently, it is wrong. BTW I already finished the test, so it's not cheating.
EDIT:
read more ..
●
●
●
HumenBeing
Jun 21, 2023
0
105
5
+194
Someone help me please!
For what real values of x is $-4 <21$ satisfied? Express your answer in interval notation.
ALSO!!!! DON'T YOU DARE CALL ME A HOMEWORK CHEATER. SOMEONE HAS BEEN GOING AROUND CALLING EVERYONE WHO POSTS A QUESTION A HOMEWORK
read more ..
●
●
●
●
●
HumenBeing
Jun 21, 2023
«
latest
9509
9508
..
8946
8945
8944
8943
8942
..
2
1
»
Post New Question
1 Online Users
Top Users
+130514
CPhill
moderator
+118723
Melody
moderator
+15131
asinus
moderator
+2189
Bosco
+1844
blackpanther
+1580
kittykat
+1309
AnswerscorrectIy
+1024
Hi6942O
+1006
gnistory
+997
magenta
+980
booboo44
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.