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
237827 Questions
0
607
1
The following take-away order was placed:
The following take-away order was placed:
four samosa (£2.50)
four kebab puri (£3.95)
one shahi jalfreze (£7.45)
read more ..
●
Guest
Jul 11, 2016
0
524
1
maths question
4sqrt(16)-18sqrt(343)+90sqrt(243)-sqrt(196)
●
Guest
Jul 11, 2016
0
679
1
Arithmetic Question
Cynthia wants to design a rectangular playground of 616 square metres and she also wants to have a fence built around it. However, she only has enough fence materials for a playground of 100 metres in perimetre. What should be the dimensions of the playground?
read more ..
●
Guest
Jul 11, 2016
0
1
5486
2
FIND X,Y IF sqrt(x)+y=7 sqrt(y)+x=11
FIND X,Y IF sqrt(x)+y=7 sqrt(y)+x=11
●
●
Guest
Jul 11, 2016
0
675
1
perform the indicated operations
(3) (-5)(7)
●
Guest
Jul 11, 2016
0
1564
0
how many 50g in 1.5kg?
how many 50g in 1.5kg
Guest
Jul 11, 2016
0
589
1
3*3*3*3
3*3*3*3
●
Guest
Jul 11, 2016
0
931
1
Simplest Form
Write x / (x2-1) - (x + 1) / (x - 1) as a single fraction in simplest form.
Alan
●
Guest
Jul 11, 2016
0
635
1
+67
Maths question
3^2+4^2+12^2=13^2 how
●
MichaelShaun
Jul 11, 2016
0
1
2275
2
+67
HARD MATH QUESTION?
HARD MATH QUESTION?
A maths teacher bought 40 calculators at $8.20 each and a number of other calculators costing $2.95 each.In all she spent$387. How many of the cheaper calculators did she buy?
●
●
MichaelShaun
Jul 11, 2016
0
465
1
slope-intercept form
show that 2x+3y=10 and 4x+6y=5 will never intersect.
●
Guest
Jul 11, 2016
0
495
0
The metric system units for area are hard.
How do you convert between the different metric units for area?
Guest
Jul 11, 2016
+5
686
2
This is not needed to be answered. I know the answer, but am just spreading the jam of knowledge around.
This is more a cool thing that a question: Type in "e^(sqrt(-1)pi)+1".What does the calculator say the answer is. Maths is the best.
●
●
Guest
Jul 11, 2016
0
590
1
Calculator Use
how do I make a fraction using he calculater?
●
Guest
Jul 11, 2016
0
721
2
Lotto odds
Our lottery in New Zealand has 40 numbers which you are required to select the six drawn numbers. How many possible combinations are there. In other words what are the odds of winning.
●
●
Guest
Jul 11, 2016
0
578
1
subscripts
how do i input subscripts?
●
Guest
Jul 11, 2016
0
636
1
dec. point to percents
2527\100
●
Guest
Jul 11, 2016
0
538
2
+16
question
suppose $5400 is invested in an account at an annual interest rate of 7.2% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double in size?
●
●
extra5hits
Jul 11, 2016
0
543
2
+16
need help
A can of soda at 81 degrees F. is placed in a refrigerator that maintains a constant temperature of 38 degrees F. The tempurature T of the soda t minutes after it is placed in teh refrigerator is given by T(t) = 38 + 43e-0.58t
Find
read more ..
●
●
extra5hits
Jul 11, 2016
0
532
1
+16
question
Multiply and simplify:(7+4i)2
Write the answer in the form a + bi, where a and b are real numbers
●
extra5hits
Jul 11, 2016
Jul 10, 2016
0
1898
1
+16
help
How much money needs to be invested now to obtain $2000 in 3 years if the interest rate in a savings account is 0.25%, compounded continuously? Round your answer to the nearest cent.
●
extra5hits
Jul 10, 2016
0
798
1
why does -sin(pi/3) = sqrt3/2 ?
how to calculate value of -sin(pi/3)
●
Guest
Jul 10, 2016
«
latest
9512
9511
..
3415
3414
3413
3412
3411
..
2
1
»
Post New Question
0 Online Users
Top Users
+130561
CPhill
moderator
+37193
ElectricPavlov
+15147
asinus
moderator
+2447
Bosco
+1837
blackpanther
+1761
parmen
+1572
kittykat
+1317
AnswerscorrectIy
+1011
gnistory
+987
booboo44
+869
cooIcooIcooI17
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.