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
234927 Questions
0
343
2
Hello, help please
Kevin and Danny had $200 altogether. Kevin gave 2/7 of his money to Danny. As a result, Danny had 4 times as much money as Kevin. How much did Danny have at first?
●
●
Guest
Oct 3, 2021
0
345
2
Help asap!
Christo and Aris had 207 marbles. Christo bought another 12 marbles and Aris gave his brother 12 marbles. As a result, Christo had 1/2 as many marbles as Aris. How many marbles did Aris have at first?
●
●
Guest
Oct 3, 2021
0
421
1
When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body w
When Ibuprofen is given for fever to children 6 months of age up to 2 years, the usual dose is 5 milligrams (mg) per kilogram (kg) of body weight when the fever is under 102.5 degrees Fahrenheit. How much medicine would be usual dose for a 18 month old
read more ..
●
Guest
Oct 3, 2021
0
325
1
PLS HELP NOW!!!!
Annie is playing basketball. After attempting a certain number of free throws, she computes that she has made $\dfrac{3}{5}$ of her free throws. Then, Annie attempts but fails to make $15$ consecutive free throws, after which she computes that she has made
read more ..
●
Guest
Oct 3, 2021
0
313
1
precalculus complex plane
Let 0, a, b, c be the vertices of a square in counterclockwise order. Then enter b/a and c/a in that order in rectangular form.
●
Guest
Oct 3, 2021
0
352
1
Counting
How many different sequences of five letters can be made from H, I, J, K, and L if each letter may be used more than once and if the sequence may not start or end with a vowel?
●
Guest
Oct 3, 2021
0
347
1
help with sum
Compute the sum 1+4+7+10+...100+103
●
Guest
Oct 3, 2021
0
391
2
transformations
column vector( 4,1) has been rotated to column vector (-1,4)which matrix carried out the transformation
●
●
Guest
Oct 3, 2021
0
329
1
Quadratic
The quadratic ax^2 + bx + c can be expressed in the form 2(x - 4)^2 + 8. When the quadratic 3ax^2 + 2bx + 3 is expressed in the form n(x - h)^2 + k, what is h?
●
Guest
Oct 3, 2021
0
332
1
Inequality
Solve the inequality 4(a+6) >= -5(a+3).
●
Guest
Oct 3, 2021
0
213
0
Probability
Neymar has a 1/4 chance to score on a penalty. What is the probability that Neymar will score atleast 4 penalties in a penalty round of 6 penalties?
Guest
Oct 3, 2021
0
329
2
please help
Let a be a positive real constant. The minimum value of the expression 2x^2 + ax + 2y^2 - ay + a^2 is 72. Compute the value of a.
●
●
Guest
Oct 3, 2021
0
197
0
Ralf buys eight neon fish and two armored catfish for a total of € 12; Pauline pays € 15 for six neon fish and four armored catfish.
Ralf buys eight neon fish and two armored catfish for a total of € 12; Pauline pays € 15 for six neon fish and four armored catfish.
1. Write Ralf and Pauline's purchases as linear equations with two variables. Define the meaning of the variables
read more ..
Guest
Oct 3, 2021
0
340
2
Geometry
In the figure below, ZAX is equilateral and has perimeter 30. What is the exact area of the quadrilateral FLAX? Explain how you determined your answer.
read more ..
●
●
Guest
Oct 3, 2021
0
349
1
geometry
In the figure below, ABCD is a parallelogram, AD = 18 and DC = 21. Segments EG and FH are perpendicular to sides of the parallelogram as shown, and EG = 16. What is the area of the parallelogram?
read more ..
●
Guest
Oct 3, 2021
0
427
3
+22
Pre-Calc (Matrices)
Consider the system of equations.
2x+y=1
−3x+4y=15
read more ..
●
●
●
DFO627
Oct 3, 2021
0
366
1
algebra
If you mow a lawn 80 m by 80 m in an hour, how long will it take you to mow a lawn 40 m by 60 m?
●
Guest
Oct 3, 2021
+1
376
2
+50
Geometry Help
In right triangle ABC, . Median AM has a length of 19 and median BN has a length of 18. What is the length of the hypotenuse of the triangle?
I appreciate any help!
●
●
HELPplzplzplz
Oct 3, 2021
0
337
1
pls help!!!
Adam has 3 times as many red stamps as Xion and 6 blue stamps. Cindy
had the number of red stamps that Adam has and 3 blue stamps. Cindy has
4 stamps fewer than Xion.
(a) How many stamps do they have altogether?
read more ..
●
Guest
Oct 3, 2021
0
407
2
conics question!
How many points of the form (x,y) , where both coordinates are positive integers, lie below the graph of the hyperbola xy=16?
●
●
Guest
Oct 3, 2021
0
1
324
1
Quadratic
The height of a soccer ball that is kicked from the ground can be approximated by the function:y = -12x^2 + 48x where y is the height of the soccer ball in feet x seconds after it is kicked. What is the soccer ball's maximum height in feet?
●
Guest
Oct 3, 2021
+2
425
1
+47
Hi plz help
Ok so I've posted this question for a day now and no one answered yet so if you can please do so:https://web2.0calc.com/questions/geo-folding-problem
I really appreciate it because I have answered my fair share of questions and I
read more ..
●
HedgieWedgie
Oct 3, 2021
0
205
0
need help
Quadrilateral PQRS is a trapezoid with bases PQ and RS. The median MN meets the diagonals PR and QS at X and Y, respectively. If SR = 20 and XY = 9, find PQ.
Guest
Oct 3, 2021
«
latest
9396
9395
..
8013
8012
8011
8010
8009
..
2
1
»
Post New Question
1 Online Users
Top Users
+118658
Melody
moderator
+37091
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2653
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1837
NotThatSmart
+1758
bader
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.