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
211543 Questions
0
98
0
Find the value on Aug 10,1990 if the amount on Dec 13,1990 is P5,750.38 at 5% simple interest.
Find the value on Aug 10,1990 if the amount on Dec 13,1990 is P5,750.38 at 5%
simple interest.
Guest
Oct 13, 2021
0
150
0
+675
Solve this task!
Solve this task!
(It comes from the 60th Mathematical Olympiad 2020 from classes 12-13 with solutions...it is a book)
read more ..
Straight
Oct 13, 2021
0
141
2
Plz help SOS!!!
Yacob wants to buy some chocolates for his friends. If he spends $5 on each
friend, he will have $20 left. If he spends $7 on each friend, he will have $4 left.
How much money does Yacob have?
●
●
Guest
Oct 13, 2021
0
157
1
y=sinx*xin(x+pi/3)
이 식의 가장 큰 값과 가장 작은 값이 무엇인지 궁금하다
●
Guest
Oct 13, 2021
0
165
3
cos(2x)-5cos(x)+3=0
이 식에서 x의 해를 구해야 합니다.
x>=0
x=<2pi
●
●
●
Guest
Oct 13, 2021
0
80
0
Calculus 30
Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] (Use non-identity functions for f(u) and g(x).)
read more ..
Guest
Oct 13, 2021
0
75
0
help Algebra
An Ariline currently charges 200 dollars per ticket and sells 40,000 tickets a week. For every 10 dollars they increase the ticket price, they sell 400 fewer tickets a week. How many dollars should they charge to maximize their total
read more ..
Guest
Oct 13, 2021
0
144
1
Domain
What real values of x are not in the domain of $f(x) = \frac{1}{|x^2 + 3x - 4| + |x^2 + 9x - 10|}$?
●
Guest
Oct 13, 2021
0
149
1
geometry
A sheet of 8-inch by 10-inch paper is placed on top of a sheet of $9 \frac{1}{2}$-inch by 12-inch paper, as shown. What is the area of the region of overlap in square inches?
read more ..
●
Guest
Oct 13, 2021
0
127
1
help plz
How many of the natural numbers from 1 to 800, inclusive, contain the digit 6 at least once?
●
Guest
Oct 13, 2021
0
140
1
Algebra
Find all solutions to 7*cuberoot(x) = x + 8.
●
Guest
Oct 13, 2021
0
73
0
quadratics
When the expression -2x^2 - 20x - 53 + 14x + 17 is written in the form a(x + d)^2 + e, where a, d, and e are constants, then what is the sum a + d + e?
Guest
Oct 13, 2021
0
157
3
please answer this question
Define $f(x) = \frac{x^2 + 2x + 3}{x}$ and $g(x) = x^3 + 2$. Evaluate $g(f(x))$ when $x = -3$.
●
●
●
Guest
Oct 13, 2021
0
111
1
Inverse Functions
Let f(x)=3x+4 and g(x)=2x+3. If h(x)=f(g(x)), then what is the inverse of h(x)?
●
Guest
Oct 13, 2021
0
176
2
+333
Please help
Find the total number of four-digit palindromes that are multiples of 4.
●
●
Rayjplayz
Oct 13, 2021
0
147
1
Analytic Geometry
Line m has the equation y = 3x + 5. Line n has the equation y = kx - 7. Lines m and n intersect at the point (-4, -7). What is the value of k?
●
Guest
Oct 13, 2021
Oct 12, 2021
0
129
1
Algebra
Find positive integers (a,b) so that sqrt(37 + 20*sqrt3 + 66) = a + b*sqrt3. Answer in the form of "a, b".
●
Guest
Oct 12, 2021
+1
195
3
+84
if anyone could help out with this that would be great!
If I have 2 more sisters than brothers and each of my sisters also has 2 more sisters than brothers, how many more sisters than brothers does my oldest brother have?
●
●
●
vxnessa
Oct 12, 2021
0
138
1
math problem
The positive five-digit integers that use each of the digits 1, 2, 3, 4 and 5 exactly once are ordered from least to greatest. What is the 60th integer in the list?
●
Guest
Oct 12, 2021
0
145
3
help with ratio
The ratio of Mario's money to Luigi's money was 9:4 before Mario went to the store. After Mario spent $84 on jackets, the ratio became 1:2. How much money did Mario have at first?
●
●
●
Guest
Oct 12, 2021
0
156
1
Multiplicative Inverse vs. Multiplicative Idendity
What is a multiplicative inverse? If you can answer that question, what is a Multiplicative Identity?
I was so mad that I couldn't do this myself for my math class. PLEASE HELP, I'M DESPRATE! Also, I
read more ..
●
Guest
Oct 12, 2021
0
123
0
+84
could anyone explain how to do this?
When calculating his income tax an accountant realized that his federal tax was 30% of his income after his provincial tax was paid, and that his provincial tax was 20% of his income after his federal tax was paid. If the accountant's income before taxes
read more ..
vxnessa
Oct 12, 2021
0
148
1
help algebra
Two liters of a 30% acid solution are mixed with three liters of a $80\%$ acid solution. What percent of the mixture is acid?
●
Guest
Oct 12, 2021
«
latest
8460
8459
..
8116
8115
8114
8113
8112
..
2
1
»
Post New Question
3 Online Users
Top Users
+122385
CPhill
moderator
+117116
Melody
moderator
+32957
Alan
moderator
+26261
heureka
+23183
geno3141
+13577
asinus
moderator
+9310
MaxWong
+3587
Probolobo
+3116
admin
administrator
+2401
catmg
+2331
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.