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
229743 Questions
0
713
5
Trigonometry
How would I write the cosine law if I was trying to find theta given all sides?
●
●
●
●
●
Guest
Oct 18, 2017
0
777
1
+394
help
If a range hood removes contaminants at a flow rate of F liters of air per second, then the percent P of contaminants that are also removed from the surrounding air can be modeled by P = 1.05F + 17.64, where F is between and inclusive of 10 and 75. What
read more ..
●
ladiikeiii
Oct 18, 2017
0
805
1
+394
help, can't figure this out
If a range hood removes contaminants at a flow rate of F liters of air per second, then the percent P of contaminants that are also removed from the surrounding air can be modeled by P = 1.12F + 18.40, where F is between and inclusive of 5 and 65.
read more ..
hectictar
●
ladiikeiii
Oct 18, 2017
0
771
1
HELPPPPP!!! PLSSS
what is 5 +or- square root of 36
hectictar
●
Guest
Oct 18, 2017
0
971
1
+645
cherrys
Let S be a subset of {1, 2, 3, ... 100}, containing 50 elements. How many such sets have the property that every pair of numbers in S has a common divisor that is greater than 1?
●
waffles
Oct 18, 2017
0
1247
3
14.8 times what would get me to a whole number?
14.8 times what would get me to a whole number?
pls help meh
●
●
●
Guest
Oct 18, 2017
0
888
1
algebra 1
what is the range of x+3y=-8 when the domain is x (>=) 0
geno3141
●
Guest
Oct 18, 2017
0
890
2
5j+6c=32
5j+6c=32
1j+3c=10
geno3141
●
●
Guest
Oct 18, 2017
Oct 17, 2017
0
6566
2
If f(x)= then f'(2)= ?
If then f'(2)= ?
just not sure what to do after that
●
●
Guest
Oct 17, 2017
+1
2335
7
+653
Hard Probability Problem
The Giants and Royals are playing in the World Series. In the World Series, the two teams play repeatedly until one team has won 4 games. Suppose each team has a 1/2 probability of winning each game. If the World Series lasts exactly 6 games, what is the
read more ..
●
●
●
●
●
●
●
supermanaccz
Oct 17, 2017
0
1016
5
+4609
prove the inequality
Prove the inequality:
Alan
●
●
●
●
●
tertre
Oct 17, 2017
0
708
2
+4609
Find the miminum such that for natural numbers.
Find the miminum such that
for natural numbers.
●
●
tertre
Oct 17, 2017
0
710
1
slope-intercept is y=mx+b. How would you put (0,1) and (-3,-2) in the equation?
slope-intercept is y=mx+b. How would you put (0,1) and (-3,-2) in the equation?
hectictar
●
Guest
Oct 17, 2017
0
727
1
what is the formula for point-slope, the question is (0,4) and (-5,5) it says to write an equation in point slope form
what is the formula for point-slope? The question is (0,4) and (-5,5) it says to write an equation in point slope form?
●
Guest
Oct 17, 2017
0
988
4
+394
help
help can't seem to find the correct answer.
On a world globe, the distance between City A and City B, two cities that are actually 10,670
Kilometers apart is 13.4 inches. The actual distance between City
read more ..
●
●
●
●
ladiikeiii
Oct 17, 2017
0
682
0
+31
Help!
In a cylinder it is expanciona until its volume is doubled 2mol of an ideal monoatomic gas initially with 1MPa of pressure and 300 degrees Kelvin of temperature. Calculate the work done if the exancion is: a) isotherm. b) Adiabatico. c) isobaric. (d) in
read more ..
dimcorak
Oct 17, 2017
0
658
2
what is the solution set of the equation 4^2-9=0
what is the solution set of the equation 4^2-9=0
●
●
Guest
Oct 17, 2017
0
744
1
I need the answer. this one really put me crazy. just an example from teacher. need an answer. thank you!
a tree 100 feet tall casts shadow 120 feet long. Find the angle of elevation of the sun
hectictar
●
Guest
Oct 17, 2017
0
881
1
What is the Mass of the sun, multiplied by the density of a black hole, divided by pi, multiplied by the square root of a prime number
What is the Mass of the sun, multiplied by the density of a black hole, divided by pi, multiplied by the square root of the largest known prime number
●
Guest
Oct 17, 2017
-1
1217
1
+41
help me plz
calculate the acceleration of a 82kg couch that is pushed across the floor with an unbalanced force of 21 N
●
jordanh
Oct 17, 2017
0
1317
6
0 divided by 0
This is a question that no one probably knows. What is 0 divided by 0? Just a extra, I think it's 0, because when 0 is put into 0 groups there is 0 in each group. But that might be wrong, because if scientists and mathematicians were solving it that way,
read more ..
TheXSquaredFactor
●
●
●
●
●
●
Guest
Oct 17, 2017
0
1527
1
Jamilla is building a square sandbox with sides 8 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla orde
Jamilla is building a square sandbox with sides 8 feet long. She wants to put sand 2 feet deep in the box. How much sand should Jamilla order?
●
Guest
Oct 17, 2017
0
498
0
Test Statistic
The number of events is 1919, the number of trials is 100100, the claimed population proportion is 0.310.31, and the significance level is 0.050.05. What is the test statistic?
Guest
Oct 17, 2017
«
latest
9188
9187
..
5043
5042
5041
5040
5039
..
2
1
»
Post New Question
1 Online Users
Top Users
+128089
CPhill
moderator
+118587
Melody
moderator
+33603
Alan
moderator
+14865
asinus
moderator
+3143
admin
administrator
+2436
GingerAle
+1703
tomtom
+1670
wiseowl
+1618
proyaop
+1252
bader
+1014
blackpanther
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.