Register
Login
Information
This feature requires your approval of cookies
You can approve cookies in the notification bar at the top of this window
Information
This feature requires your approval of cookies
Home
Forum
^{+0}
Widgets
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
Yes I am 16 or older
Cookie Consent
I accept third party cookies used to show me
personalized
ads. I also accept that these cookies are used to share information about my use of this site with advertising providers who may combine it with other information that I have provided to them or that they’ve collected from my use of their services.
I accept strictly necessary cookies that guarantee functions without which I could not use this website as intended.
Configure
I accept all cookies
unlimited
sponsored calculations per hour
All Questions
^{+0}
157614 Questions
0
108
1
+1387
In the expression, 6.24 × 10^3, which number is the exponent?
In the expression, 6.24 × 10^3, which number is the exponent?
A. 3
B. 6
read more ..
ElectricPavlov
●
macabresubwoofer
Sep 16, 2019
0
103
1
+1387
Rewrite using standard notation: 3.32 × 10^3
Rewrite using standard notation: 3.32 × 10^3
A. 0.00332
B. 0.0332
read more ..
ElectricPavlov
●
macabresubwoofer
Sep 16, 2019
0
100
1
+1387
In which direction does a negative exponent indicate that the decimal point will be moved?
When converting from scientific notation to standard notation, in which direction does a negative exponent indicate that the decimal point will be moved?
A. right
B. left
read more ..
ElectricPavlov
●
macabresubwoofer
Sep 16, 2019
0
87
1
Help please
Let a, b, c be nonzero real numbers such that a + b + c = 2 and a^2 + b^2 + c^2 = 4. Find
●
Guest
Sep 16, 2019
-4
109
1
-9
hey everybody!
hey everybody!
just want to see how everyone is doing
off-topic
●
LunaMoon123
Sep 16, 2019
0
139
3
+279
College Readiness - Help
Factor completely the trinomial below. Write each factor as a polynomial in descending order.
12x^2 - 32x - 12
read more ..
●
●
●
CreatorRozen
Sep 16, 2019
0
71
0
I need help please!
I'm struggling badly with this question :(
I have to find the power series solution to this differential equation (y'' − 2xy' + y = 0)
Knowing that y(0)=0 and y'(0)=1
read more ..
Guest
Sep 16, 2019
+2
112
5
+63
how was your weekend?
Did you guys do anything this weekend?
●
●
●
●
●
kminery19
Sep 16, 2019
0
78
1
Help asap
1. Let $f$ be defined byCalculate
2. There are numbers A and B for whichfor every number . Find A-B.
3.The greatest integer function, , denotes the largest integer less than or equal to x. For example, , and . Find
read more ..
●
Guest
Sep 16, 2019
0
94
3
Help asap
1. Let $f$ be defined byCalculate
2. There are numbers A and B for whichfor every number . Find A-B.
3.The greatest integer function, , denotes the largest integer less than or equal to x. For example, , and . Find
read more ..
●
●
●
Guest
Sep 16, 2019
0
100
1
log question
a^log_ab=b
Saw it in a textbook (Revision) How does it work ?
●
Guest
Sep 16, 2019
0
112
1
First order differential
These are the steps that i was told to follow however at the end i can only come up with a general solution with unknown
read more ..
Rom
●
Guest
Sep 16, 2019
0
114
3
+4
Help ASAP!!
Hi, I need help with the following questions!
1) Given that , what is ?
2) Simplify .
read more ..
●
●
●
lolselfie4269
Sep 16, 2019
0
209
3
For a triangle XYZ, we use [XYZ] to denote its area.
For a triangle XYZ, we use [XYZ] to denote its area.
Let ABCD be a square with side length 1. Points E and F lie on line BC and line CD, respectively, in such a way that angle EAF=45 degrees If [CEF]=1/9,
read more ..
●
●
●
Guest
Sep 16, 2019
Sep 15, 2019
+4
152
2
+2551
Coin Probability
A person has a coin in which lands with a head showing 30% of the time. Express as a decimal the probability that she gets 2 heads and 1 tail when she tosses the coin 3 times.
So if a coin is flipped 10 times a head is shown 3 times
read more ..
●
●
CalculatorUser
Sep 15, 2019
+3
150
2
+2551
Probability Question check
A bag contains 5 blue marbles, 4 white marbles, and 3 red marbles. If three marbles are randomly selected from the bag, what is the probability that the marbles selected will be of the same color? Express your answer as a common fraction.
In the
read more ..
●
●
CalculatorUser
Sep 15, 2019
0
104
4
Halp asap
Here are two functions: f(x) & = & 3x^2-2x+ 4 and g(x) & = & x^2-kx-6. If f(10) - g(10) = 10, what is the value of k
Thanks in advance
●
●
●
●
Guest
Sep 15, 2019
0
129
3
Please help
Let x,y, and z be real numbers such that x + y + z = 6 and = 2. Find
●
●
●
Guest
Sep 15, 2019
0
118
1
French Forum Not Working
Hi all, I know a little bit of French so I thought I could help on the french forum, however it seems that I can't respond to any questions. Does anyone know why that is?
Thanks!
●
Guest
Sep 15, 2019
0
105
1
Need some help on this one.
For a designer suit, Daniel must specify his waist size in centimeters. If there are 12 inches in a foot and 30.5 centimeters in a foot, then what size should Daniel specify, in centimeters, if his waist size in inches is 34 inches?
read more ..
●
Guest
Sep 15, 2019
0
129
2
+679
help please
Solve the system of equations
10b+5v+5z=55
3b+5v+5z=34
5b+6v+3z=42
I have gotten b=3 but I am stuck and Do not know how to proceed.
●
●
Nirvana
Sep 15, 2019
+3
143
3
+333
Trigonometry
Given the lengths of the sides of a triangle are in the ratio of 3:8:6, what is the degree measure of the largest angle? Please explain.
●
●
●
hellospeedmind
Sep 15, 2019
0
96
2
help me please
Find constants and such that for all such that and . Give your answer as the ordered pair .
thank you in advance
ElectricPavlov
●
●
Guest
Sep 15, 2019
0
128
2
question
what is googolplex to the power of graham's number
●
●
Guest
Sep 15, 2019
0
110
2
Trig Question
Can someone help me understand this homework question better, I'm just not seeing at at all the way it's phrased.
see image for question.
read more ..
●
●
Guest
Sep 15, 2019
«
latest
6303
6302
..
6110
6109
6108
6107
6106
..
2
1
»
20 Online Users
Top Users
+106954
Melody
moderator
+106533
CPhill
moderator
+28357
Alan
moderator
+23841
heureka
+19897
ElectricPavlov
+17914
geno3141
+11059
Omi67
moderator
+8842
hectictar
+8810
asinus
moderator
+7763
MaxWong
+6046
Rom
Sticky Topics
Has your answer tab disappeared ?
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
Filter Issues
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
@ Is PROCRASTINATION a problem for you ?
@ Site full of printable puzzles.
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.