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
234960 Questions
+1
364
1
+501
Right-Triangle Trig
If the diameter of a right cylindrical can with circular bases is increased by $25\%$, by what percent should the height be increased in order to double the volume of the original can?
●
ellapow
Apr 20, 2021
+2
467
3
+318
Fractions of Different Sets
Bryan used 1/7 of his savings to buy a book. He spent 1/2 of the remaining money he had on a bag. What fraction of his savings was left?
●
●
●
Tgfromthe4
Apr 20, 2021
+2
391
1
+129
I need help
Jake and Don had the same amount of money at first. When Jake gave Don $36, 50% of the amount of money Jake had left was the same as 75% of what Don had left. How much did they have in total at first?
●
Soyoxxommm
Apr 20, 2021
+1
383
1
+129
The answer is 120
2/5 of Josh's money was 3/4 of Ken's money. When Ken gave Josh $28, both of them would have the same amount of money. How much did Josh have at first?
●
Soyoxxommm
Apr 20, 2021
0
385
0
+129
Math
There are 60 cookies in a box. The number of raisin cookies was 1/3 the number of plain cookies. Rose ate an equal number of raisin and plain cookies. Find the difference between the number of raisin and plain cookies in the end.
Soyoxxommm
Apr 20, 2021
+3
270
2
GUYS COME ON
let's get this question 30 likes :)
●
●
Guest
Apr 20, 2021
+1
577
3
+129
Math
4 footballs and 4 volleyballs cost $240. 3 footballs and 5 volleyballs cost $234.
What is the cost of a football? What is the cost of a volleyball?
●
●
●
Soyoxxommm
Apr 20, 2021
0
461
3
Math
After paying $62 for their dinner, the Myers’ family left x dollars as a tip. What is the amount of the tip, if it is 20% of the cost of the meal?
●
●
●
Guest
Apr 20, 2021
0
778
1
Kevin
Outside a home, there is a 9-key keypad numbered 1 through 9. The correct five-digit code will open the garage door. The numbers can be repeated in the code.
The probability that the correct code is given on the first try, assuming
read more ..
●
Guest
Apr 20, 2021
+4
440
3
+515
Kinda Hard
1. Two squares with side lengths 5 and 4 are placed next to each other as shown in the figure below. What is the area of the shaded region?
read more ..
●
●
●
mworkhard222
Apr 20, 2021
0
342
1
hi wuts up?
hi wuts up?
●
Guest
Apr 20, 2021
0
1085
1
+318
Math
For field day, Mrs. Harris is preparing punch. She wants to make 9 gallons of punch. The recipe she found is only for 3 quarts. The recipe calls for 1 1/2 cups of pineapple juice, 1/4 cup of orange juice, and the rest lemon-lime soda. In order to make 9
read more ..
●
Tgfromthe4
Apr 20, 2021
0
363
1
+318
Math
The parents of the students at Amelia School decided to buy new books for the school's library. The librarian gave them a list of books that were needed along with the price of each book. The parents chose 75 books. 15 of the books cost $16.21 each, 14
read more ..
●
Tgfromthe4
Apr 20, 2021
+1
513
1
+318
Math
1. Larry has at least 3 more books than Pat. If Pat has 6 books, what do you know about the number of books Larry has?
2. Suppose Larry has 16 books and Pat has x books. (Larry still has at least 3 more than Pat.)
A.
read more ..
●
Tgfromthe4
Apr 20, 2021
0
407
1
Convert r=2/7sinθ−cosθ to rectangular form.
Convert r=2/7sinθ−cosθ to rectangular form.
Enter your answer in slope-intercept form by filling in the boxes. Enter values so that fractions are simplified.
●
Guest
Apr 20, 2021
0
528
3
I need help plzzz as fast as possible
Write the probability of each event as a fraction, decimal, ratio, percent, and in words:
a) Roll a 3 or 5 on a die labeled 1 to 6.
read more ..
●
●
●
Guest
Apr 20, 2021
0
708
1
1. Convert the rectangular coordinates (5,−5√3) to polar form. Let r>0 and 0≤θ<2π .
1. Convert the rectangular coordinates (5,−5√3) to polar form. Let r>0 and 0≤θ<2π .
Enter your answer (_,_). Enter coordinates as simplified fractions or radicals in simplest form.
●
Guest
Apr 20, 2021
+2
463
1
+80
Math
A rental car company is running two specials. Customers can pay $49 to rent a compact car for the first day plus $2 for each additional day, or they can rent the same car for $42 the first day and $3 for every additional
read more ..
●
KINGVONOTF
Apr 20, 2021
+2
650
1
+80
mathematics
Isaac is building bookshelves to sell at a furniture store. First, he built 4 small bookshelves and 3 large bookshelves, using a total of 282 nails. Later, he built 5 small bookshelves and 3 large bookshelves, using a total of 315 nails. How many nails
read more ..
●
KINGVONOTF
Apr 20, 2021
0
381
3
Geometry
In the diagram, square ABCD has sides of length 4, and triangle ABE is equilateral. Line segments BE and AC intersect at P. Point Q is on BC so that PQ is perpendicular to BC and PQ=x. Compute AP.
read more ..
●
●
●
Guest
Apr 20, 2021
+2
439
1
+80
Math
Wesley went on a quiz show. The questions in the first round were worth 6 points. The questions in the second round were worth 7 points. Wesley answered a total of 6 questions and earned 39 points. How many questions did he answer in each round?
read more ..
●
KINGVONOTF
Apr 20, 2021
0
823
2
Solve the inequality $2x - 5 \le -x +12$. Give your answer as an interval.
Solve the inequality $2x - 5 \le -x +12$. Give your answer as an interval.
●
●
Guest
Apr 20, 2021
+2
419
2
+318
Percentage
Jay and Noah are running for class president. 60% of the students voted for Noah. 64 students voted for Jay. How many votes were cast altogether?
●
●
Tgfromthe4
Apr 20, 2021
0
373
1
polygons
An octagon is inscribed in a square so that the vertices of the octagon trisect the sides of the square. The perimeter of the square is 108 centimeters What is the perimeter of the octagon?
●
Guest
Apr 20, 2021
0
426
4
HELP THANKS!!
For real numbers , letWhat must the value of be to make the piecewise function continuous (which means that its graph can be drawn without lifting your pencil from the paper)?
●
●
●
●
Guest
Apr 20, 2021
«
latest
9397
9396
..
7631
7630
7629
7628
7627
..
2
1
»
Post New Question
4 Online Users
Top Users
+118658
Melody
moderator
+37097
ElectricPavlov
+33653
Alan
moderator
+14986
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2653
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1853
NotThatSmart
+1759
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.