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
234925 Questions
+1
416
1
+11
paint a sphere
how much paint would it take to coat a sphere with a radius of 10m in a layer of paint that is .001m thick. (find the volume)
●
PatrickStarr
Apr 5, 2021
+1
367
3
painting a ball
estimate the amount of paint you would need to layer the outside of a sphere with a radius of 10m in a coat of paint that is .001 m thick
●
●
●
Guest
Apr 5, 2021
+1
358
1
cup maximum volume
what is the maximum possible volume of a open top cup that only as 12ft^2 of material. what dimensions (radius, height) will give you the max volume
●
Guest
Apr 5, 2021
+1
498
7
+11
Car 1 is 10 miles east of car 2.
Car 1 is 10 miles east of car 2. Car 1 is driving at 10 mph eastward, car 2 is driving north at a speed of 20 mph. how fast is the distance changing after 2 hours of driving?
●
●
●
●
●
●
●
PatrickStarr
Apr 5, 2021
+1
601
5
Algebra
1.
What is the solution to the inequality?
4(2x+5)−2x≥10
read more ..
●
●
●
●
●
Guest
Apr 5, 2021
+1
519
4
Geometry
Find the value of x.
●
●
●
●
Guest
Apr 5, 2021
+2
888
4
PLEASE HELP ME PLEAAASE
The product of two consecutive negative integers is 2550. What is the sum of the two integers?
●
●
●
●
Guest
Apr 5, 2021
+1
468
2
On Tuesday, I worked hours and earned dollars per hour. My friend Andrew worked hours but only earned dollars an
On Tuesday, I worked hours and earned dollars per hour. My friend Andrew worked hours but only earned dollars an hour. At the end of the day, I had earned two dollars more than he had. What is the value of ?
read more ..
●
●
Guest
Apr 5, 2021
+1
295
1
terminating decimals
How many integers n between 1 and 10,000 are there such that 3/n is a terminating decimal?
●
Guest
Apr 5, 2021
+1
467
2
Pls help I have to finish my work before I can eatt
Dora has three candles, which will burn for 3, 4 and 5 hours, respectively. If she wants to keep two candles burning at all times, what is the greatest number of hours she can burn the candles? (Dora has a clock that she can use to time the candles.)
read more ..
●
●
Guest
Apr 5, 2021
+1
542
2
Help
Dora has three candles, which will burn for 3, 4 and 5 hours, respectively. If she wants to keep two candles burning at all times, what is the greatest number of hours she can burn the candles? (Dora has a clock that she can use to time the candles.)
read more ..
●
●
Guest
Apr 5, 2021
+1
493
2
multiples
How many multiples of 17 are greater than -50 and less than 250?
●
●
Guest
Apr 5, 2021
+1
387
1
Math help
Write the following in numerical form:
The product of two consecutive positive integers is at least 20. Let x be the larger integer.
●
Guest
Apr 5, 2021
+1
418
3
math
Solve 4+16x=3 using completing the square.
●
●
●
Guest
Apr 5, 2021
+1
384
2
counting
Each page number of a 488-page book is printed one time in the book. The first page is page 1 and the last page is page 488. When printing all of the page numbers, how many 1's are printed?
●
●
Guest
Apr 5, 2021
+1
443
1
How many integers $n$ satisfy $0
How many integers $n$ satisfy $0
●
Guest
Apr 5, 2021
0
308
1
number theory
If m is a 3-digit positive integer such that lcm[8m,10^10]=2*lcm[m,10^10], then what is the value of m?
●
Guest
Apr 5, 2021
+1
400
1
Math help
The equation y=−24+335x−133 represents the average number of visitors (in thousands) per day to a park area where x represents the month of the year. Use this model to predict the average daily attendance at the park for the month of March. (Hint: March
read more ..
●
Guest
Apr 5, 2021
+1
521
1
PLS HELP THIS IS GRADED, I didnt pay attention during class when he did this
In a fitness program, Erdenebat does 20 sit ups on the first day, and increases this by 2 sit-ups everyday.
a) Write the numbers of sit-ups in the first 3 days.
b) Find the number of her sit-ups on the seventh-day.
c) Find the day
read more ..
●
Guest
Apr 5, 2021
+1
484
2
probability
Two 6-sided dice, one red and one green, are rolled. What is the probability that the red die shows an odd number and the green die shows an even number?
●
●
Guest
Apr 5, 2021
+1
449
1
multiples
A number is selected at random from 1 through 100, inclusive. What is the probability that the number is a multiple of 8?
●
Guest
Apr 5, 2021
+1
525
3
Parallelogram
In parallelogram ABCD, AB=125cm, AD=132cm, and the length of diagonal AC is 37cm. The area of the parallelogram, in cm2, is
●
●
●
Guest
Apr 5, 2021
+1
381
1
probability
A drawer contains 3 white balls and 6 black balls. Two balls are drawn out of the box at random. What is the probability that they both are black?
●
Guest
Apr 5, 2021
+1
415
1
help with probability
Ben rolls four fair 10-sided dice. What is the probability that exactly three of the dice show a prime number?
●
Guest
Apr 5, 2021
«
latest
9396
9395
..
7570
7569
7568
7567
7566
..
2
1
»
Post New Question
0 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.