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
234922 Questions
+1
2467
3
+1452
Last Funky Circle Area Problem
What is the ratio of the area of a square inscribed in a semicircle with radius r to the area of a square inscribed in a circle with radius r?Express your answer as a common fraction.
Thanks!
●
●
●
AnonymousConfusedGuy
Apr 19, 2018
0
744
1
+956
Help
Okay so for a I found the derivative. Simple
For b I plugged in 50 for A(t) and got t = 1.47
For c I plugged in 1.47 in the derivative.
read more ..
Melody
●
Julius
Apr 19, 2018
0
1186
3
+22
Geometry Help ASAP Please!
Hey y'all, so I'm desperately trying to pass math and not doing so well so I need major help. I'm not asking to give me just the answer and that's it, but an explanation on how you got it and the steps involed. Thank you so so so much.
read more ..
●
●
●
VixenGrace
Apr 19, 2018
0
1348
1
+612
last one for today. Thank you so much.
How many 3-letter words can we make from the letters A, B, C, and D, if we are allowed to repeat letters, and we must use the letter A at least once?
●
gueesstt
Apr 19, 2018
+1
1313
4
+612
sorry for so many questions
On a survey, students must give exactly one of the answers provided to each of these three questions:
-a) Were you born before 1990? (Yes / No)
read more ..
●
●
●
●
gueesstt
Apr 19, 2018
0
621
1
+612
help asap>
How many sequences of 6 digits $x_1, x_2, \ldots, x_6$ can we form, given the condition that no two adjacent $x_i$ have the same parity? Leading zeroes are allowed. (Parity means 'odd' or 'even'; so, for example, $x_2$ and $x_3$ cannot both be odd or both
read more ..
●
gueesstt
Apr 19, 2018
0
1279
4
+612
Help please
On the student government ballot at Dusable High School, the six candidates for president are listed first, followed by the four candidates for vice president, followed by the five candidates for secretary and ending with the three candidates for treasurer.
read more ..
●
●
●
●
gueesstt
Apr 19, 2018
0
874
1
+612
Help?... thank you!!
How many integers are there on the number line between $\dfrac{17}{3}$ and $\left(\dfrac{17}{3}\right)^2$?
●
gueesstt
Apr 19, 2018
0
1275
2
+612
A line is described by the equation $y-4=4(x-8)$. What is the sum of its $x$-intercept and $y$-intercept?
A line is described by the equation $y-4=4(x-8)$. What is the sum of its $x$-intercept and $y$-intercept?
●
●
gueesstt
Apr 19, 2018
0
898
1
+612
Help!
A line through the points $(2, -9)$ and $(j, 17)$ is parallel to the line $2x + 3y = 21$. What is the value of $j$?
●
gueesstt
Apr 19, 2018
0
1328
1
+612
Help please
If $\overline{40\blacklozenge}$ represents a three-digit positive integer with a ones digit of $\blacklozenge$ and $\overline{1\blacklozenge}$ is a two-digit positive integer with a ones digit of $\blacklozenge$, what value of $\blacklozenge$ makes the
read more ..
●
gueesstt
Apr 19, 2018
0
674
1
+612
Help ASAP
Given the four digits 2, 4, 6, and 7, how many different positive two-digit integers can be formed using these digits if a digit may not be repeated in an integer?
●
gueesstt
Apr 19, 2018
0
535
1
please help me
Find the radius r of the circle if the area of the sector is 16 with the degree inside the circle being 120 degrees.
●
Guest
Apr 19, 2018
0
1989
1
please help quiz is due soon and I can't figure this one out
An irrigation system uses a straight sprinkler pipe r = 250 ft long that pivots around a central point as shown. Because of an obstacle the pipe is allowed to pivot through θ = 280° only. Find the area irrigated
read more ..
●
Guest
Apr 19, 2018
0
720
3
+45
Mind Helping me out?
I've been kinda stuck on this problem, mind helping?
●
●
●
TheAwkwardCadet
Apr 19, 2018
+2
1355
1
+895
Googol Variants
Do you know what a googolplexian and a googolplexianth are? They are the largest (other than infinity) and smallest numbers in the known universe. If you don't understand, let me put it into context for you.
A googol is a one followed
read more ..
off-topic
●
AdamTaurus
Apr 19, 2018
0
1066
5
+166
exponents and logarithms
If x is a real number such that 2^{2x+3}=14, find .
●
●
●
●
●
Creeperhissboom
Apr 19, 2018
0
1187
2
challenge+help?
A rectangle has a perimeter of 24 cm. What is the smallest possible area the rectangle can have, using only whole number dimensions (length and width)?
Wouldn't this be ??
length= 6
read more ..
●
●
Guest
Apr 19, 2018
0
854
1
please help hw is due in an hour I can't figure it out
How many revolutions will a car wheel of diameter 18 in. make as the car travels a distance of one mile? (Round your answer to the nearest whole number.)
●
Guest
Apr 19, 2018
0
831
1
+45
Please Help?
In a classroom of 45 students, 22 take an art class, 17 take a band class, and 8 take
both an art and band class. How many students are in band but not in art?
●
TheAwkwardCadet
Apr 19, 2018
0
2082
3
+166
Interest-ing problem...
Diana can either invest 20000 dollars for 4 years with a simple interest rate of 6% or an interest rate of 7% which compounds quarterly. How many more dollars, rounded to the nearest dollar, would she get with the better interest rate than with the worse
read more ..
ElectricPavlov
●
●
●
Creeperhissboom
Apr 19, 2018
0
1212
2
A sector of a circle has a central angle of 115. Find the area of the sector if the radius of the circle is 7 ft. (Round your answer to
A sector of a circle has a central angle of 115°. Find the area of the sector if the radius of the circle is 7 ft. (Round your answer to one decimal place.)
●
●
Guest
Apr 19, 2018
-1
6145
1
Find the radius r of the circle if an arc of length 6 m on the circle subtends a central angle of 2π/5 rad. (Round
Find the radius r of the circle if an arc of length 6 m on the circle subtends a central angle of 2π/5 rad. (Round your answer to two decimal places.)
●
Guest
Apr 19, 2018
0
619
1
Quadratic Optimizm
The smallest distance between the origin and a point on the parabola y = x^2 -5 can be expressed as "sqrt(a)/b," where "a" is not divisible by the square of any prime. Find a+b .
●
Guest
Apr 19, 2018
«
latest
9395
9394
..
5320
5319
5318
5317
5316
..
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.