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
230706 Questions
0
1817
1
2x, given tanx=4 and cosx<0 what is cos2x and sin2x
2x, given tanx=4 and cosx<0 what is cos2x and sin2x
●
Guest
Apr 22, 2020
-1
416
1
+167
i need help asap! pleasee on number3,4,5
i need help asap! pleasee on number3,4,5
●
kijijij
Apr 22, 2020
0
843
1
Pls help!
What are the rectangular coordinates of the polar coordinates (2√2,−π/12) ?
●
Guest
Apr 22, 2020
-1
518
2
+167
I REALLY NEED HELP!
I am having trouble with 3,4, and 5!
●
●
kijijij
Apr 22, 2020
0
443
1
Please help
Calculate the area of the shaded region in each figure.
●
Guest
Apr 22, 2020
0
427
1
Right Triangle Trig Practice Problems Find the
read more ..
●
Guest
Apr 22, 2020
0
750
1
+231
need help asap
If m workers can complete a job in d days, how many days will it take n workers, working at the same rate, to complete one-third of the job? Express your answer as a common fraction in terms of d, m and m, in alphabetical order where applicable.
read more ..
●
peepeepuupuu
Apr 22, 2020
0
510
1
+231
quicc help quiccccc
Jessica works at a bakery, and every day she makes 30 pie crusts that each use up 1/6 cup of flour. One day, she decides that she instead wants to make 20 larger pie crusts using the same total amount of flour. How many cups of flour will go into each of
read more ..
●
peepeepuupuu
Apr 22, 2020
0
2254
3
HELP HELP ASAP
Find the largest prime factor of $309^2 - 147^2.$
●
●
●
Guest
Apr 22, 2020
0
1187
1
A 90-foot rope from the top of a tree house to the ground forms a 45∘45∘ angle of elevation from the ground. How high is the top of
A 90-foot rope from the top of a tree house to the ground forms a 45∘45∘ angle of elevation from the ground. How high is the top of the tree house? Round your answer to the nearest tenth of a fo
●
Guest
Apr 22, 2020
0
560
1
what is the perimeter of a semicircle with a diameter of 112?
what is the perimeter of a semicircle with a diameter of 112?
●
Guest
Apr 22, 2020
0
486
1
Helppp
Consider the set
which consists of all positive integers whose digits strictly increase from left to right. This set is finite. What is the median of the set?
●
Guest
Apr 22, 2020
+1
529
3
+738
kInD sOuLs oUt tHeRe, pLeAsE hELp!
My patio is tiled with square tiles, all the same size. All the tiles are gray, except the tiles along the two diagonals, which are all yellow. (The corners are yellow, the center is yellow, and all the tiles along the diagonal in between are yellow.) If
read more ..
●
●
●
lokiisnotdead
Apr 22, 2020
+1
478
1
+231
help is needed quiccer than quiccccc
Suppose that a is inversely proportional to b. If a = -3 when b = -6, find a when b = 8. Express your answer as a fraction.
●
peepeepuupuu
Apr 22, 2020
0
753
2
i cant solve this
3 h 2 − 4 g 4 + 7 + 7 f 2 + 9 g 4 − 4 h 2 + f 2 − 2
●
●
Guest
Apr 22, 2020
0
1250
1
+231
helpp!!!!!
It's a well-known physics formula that force equals mass times acceleration. Jen wants to throw a softball with the same force as Jack throws a baseball. If the softball has a mass of 200 g and the baseball has a mass of 150 g, what is the ratio of
read more ..
●
peepeepuupuu
Apr 22, 2020
0
439
1
HELP PLEASE
A circle with area 16 pi has a sector with a central angle of 8/4 pi radians? What is the area of the sector?
●
Guest
Apr 22, 2020
-1
884
1
+208
help
Write the rational expressions as equivalent rational expressions with the lowest common denominator.
LCD
(x − 5)(x + 3)(x + 4)
3
read more ..
●
monkeyree1124
Apr 22, 2020
0
412
1
please help
I need the full answer.
●
Guest
Apr 22, 2020
0
434
1
help!
Let b be an integer greater than 2, and let N_b = 1_b + 2_b + ... + 100_b (the sum contains all valid base b numbers up to 100_b). Compute the number of values b for which the sum of the squares of the base b digits of N_b is at most 512.
●
Guest
Apr 22, 2020
0
539
1
+1993
Two gears are connected by a chain. T
Two gears are connected by a chain. The larger gear has a linear velocity of 17π6 inches per second. The angular velocity of the smaller gear is 34π3 radians per minute.
What is the radius of the smaller gear?
1.25 feet
1.5
read more ..
●
jjennylove
Apr 22, 2020
0
675
1
What is the pH of a solution with pOH = 3.9?
What is the pH of a solution with pOH = 3.9?
●
Guest
Apr 22, 2020
0
446
1
moderators slow today?
moderators slow today?
off-topic
●
Guest
Apr 22, 2020
0
556
2
Right Triangle Trig Practice Problems Find the missing measure of each triangle.
read more ..
●
●
Guest
Apr 22, 2020
«
latest
9227
9226
..
6540
6539
6538
6537
6536
..
2
1
»
Post New Question
4 Online Users
Top Users
+128483
CPhill
moderator
+118609
Melody
moderator
+33616
Alan
moderator
+14921
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1791
tomtom
+1679
wiseowl
+1553
bader
+1117
parmen
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.