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}
211723 Questions
0
179
2
something
The longer leg of a right triangle is three times as long as the shorter leg. The hypotenuse is sqrt(5) What is the area of this triangle?
●
●
Guest
Oct 13, 2021
0
86
0
Domain
What is the domain of the function $w(x) = \sqrt{x - 2} + \sqrt[3]{x - 2}$? Express your answer in interval notation.
Guest
Oct 13, 2021
0
120
2
Yeah, help me
Amanda, Maybelline and Owen participated in a charity drive by selling cookies. Amanda sold
of the total number of jars of cookies sold. Maybelline and Owen sold the remaining jars of cookies in the ratio 3:7. Owen sold 32 more jars
read more ..
●
●
Guest
Oct 13, 2021
0
95
0
Inequality
For how many integer values of x is 5x^2 + 19x + 16 > 20 - 13x not satisfied?
Guest
Oct 13, 2021
0
104
0
Quadratic
What is the largest number c such that 2x^2 + 8x + c = 0 has at least one real solution? Express your answer as a common fraction.
Guest
Oct 13, 2021
0
123
2
Algebra
Find the smallest value of x such that x^2 + 10x + 25 = 49.
●
●
Guest
Oct 13, 2021
0
158
1
Can help me to solve this question? And I need an exlpaination of how to get the answer.
Eliza was fixing a jigsaw puzzle. After three days, the number of pieces she fixed was 1/3 of the number of pieces she unfixed. After another week, she managed to fix another 20 pieces and was left with 3/5 of the puzzle unfixed. How many pieces were there
read more ..
●
Guest
Oct 13, 2021
0
137
1
guset
A card is drawn at random from a standard pack of playing cards. Then a fair coin is flipped. What is the probability of selecting a spade and the coin landing on heads?
●
Guest
Oct 13, 2021
0
110
0
Please answer in the old link
https://web2.0calc.com/questions/ratios_27
Guest
Oct 13, 2021
+8
269
4
+675
HAPPY BIRTHDAY HECTICTAR !!
ARE YALL REMEMBERING THAT HECTICTAR B-DAY IS SOON???
BUT STILL I WILL SAY; HAPPY B-DAY HECTICTAR!!!
read more ..
off-topic
●
●
●
●
Straight
Oct 13, 2021
0
109
0
Help Me
A circular target has scoring regions of 10 and 13 points. What is the largest score that cannot be obtained by throwing any number of darts that land on the target?
read more ..
Guest
Oct 13, 2021
0
198
2
+675
mathematics
Determine all pairs () of real numbers that satisfy the system of equations
●
●
Straight
Oct 13, 2021
0
99
0
Inverse Functions
The inverse of f(x) = (2x - 1)/(3x + 5) may be written in the form f^{-1}(x) = (ax + b)/(cx + d), where a, b, c, and d are real numbers. Find a/c.
Guest
Oct 13, 2021
+1
190
1
+333
Coprimes are confusing
What is the largest number that can’t be represented as a sum of coprime numbers 10 and 21?
●
Rayjplayz
Oct 13, 2021
0
209
1
if p (x) =5(x2=1=16 what is what is the value of p(11)
if p (x) =5(x2=1=16 what is what is the value of p(11)
●
Guest
Oct 13, 2021
0
135
2
Urgent help please!!
From the following infinite list of numbers, how many are integers?
●
●
Guest
Oct 13, 2021
0
152
2
Domain
Compute the domain of the real-valued function $f(x) = \sqrt{1 + \sqrt{2 - \sqrt{x}}}$.
●
●
Guest
Oct 13, 2021
0
192
2
uhihp
70% of Ms. Miller's class passed the test on the first try. Those who failed were able to retake and half of those students passed on their second try. If there are 20 students in the class, what overall percentage
read more ..
●
●
Guest
Oct 13, 2021
0
131
1
help with function
Let f(x) = 1/(ax + b) where a and b are nonzero constants. Find all solutions to f(x) = 0. Express your answer in terms of a and/or b.
●
Guest
Oct 13, 2021
0
120
1
Algebra
For what positive value of m will the following equation be true if n = 5?
(m + n)^2 + (m - n)^2 + m^2 + n^2 + 51 = 318.
●
Guest
Oct 13, 2021
0
103
0
Math
a).the ratio of James to John's earning was 4:3. Jame's earning rose to kshs. 7200 after an increase of 10%. calculate the percentage increase in John's earnings given that the sum of their new earnings was kshs. 15600
b).James and John contributed all
read more ..
Guest
Oct 13, 2021
0
127
2
Please help me with this question.Thank you in advance.
Luis had 120 more balloons than Mel. After Mel gave
away 1/5 of his balloons, he had 184 fewer balloons than Luis.
(a) How many balloons did Luis have?
read more ..
●
●
Guest
Oct 13, 2021
0
158
3
Hi, can you pls help me with this question?Thank you so much ...
Gopal sells a hot dog bun at $3.30 each and a packet of potato chips at $2.80
each. After selling for a day, he collected $3.70 more from the sale of potato
chips than the sale of hot dog buns. He sold 9 more packets of potato chips than
read more ..
●
●
●
Guest
Oct 13, 2021
0
94
0
Algebra
For a certain value of k, the system
x + y + 3z = 10,
-4x + 8y + 5z = 7,
kx + z = 3
read more ..
Guest
Oct 13, 2021
0
104
0
Algebra
Noah was asked to compute the product of two numbers. He misread the problem and entered the sum of the two numbers instead. Luckily he still got the right answer. One of the two numbers is $8$. What is the other number?
Guest
Oct 13, 2021
«
latest
8467
8466
..
8117
8116
8115
8114
8113
..
2
1
»
Post New Question
22 Online Users
Top Users
+122390
CPhill
moderator
+117162
Melody
moderator
+32959
Alan
moderator
+26269
heureka
+23183
geno3141
+13581
asinus
moderator
+9362
MaxWong
+3590
Probolobo
+3116
admin
administrator
+2401
catmg
+2333
GingerAle
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
https://www.desmos.com/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.