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
237803 Questions
+1
1062
1
+753
help with 2 (one unaswered)
In the statement below, the two blanks can be filled by positive single-digit numbers in such a way that the statement is always true: What is the product of the two digits that go in the blanks?
Suppose m is a two-digit positive
read more ..
●
MIRB16
Jun 9, 2018
0
838
1
+99
Do do i find the dy/dx
How do i solve this?
ElectricPavlov
●
bigguy1989
Jun 9, 2018
0
952
1
geometry
Let triangle PQR be a triangle in the plane, and let S be a point outside the plane of PQR, so that SPQR is a pyramid whose faces are all triangles. Suppose that every edge of SPQR has length 18 or 41, but no face of SPQR is
read more ..
TheXSquaredFactor
●
Guest
Jun 9, 2018
0
825
1
Finding the 14th Term of this Geometric Sequence?
So here's the problem:
The expression for the 14th term of the geometric sequence is....
read more ..
ElectricPavlov
●
Guest
Jun 9, 2018
0
1052
0
+251
Resonance in homogeneous differential equations?
I have this question:
They give the answer to be: "For the system to oscillate, must have complex roots to the characteristic equation".
read more ..
vest4R
Jun 9, 2018
+1
1023
1
+753
Halp!
In the statement below, the two blanks can be filled by positive single-digit numbers in such a way that the statement is always true: What is the product of the two digits that go in the blanks?
●
MIRB16
Jun 9, 2018
+1
911
2
+50
Week 4, Problem of the Week
How many 0.5 cm × 0.5 cm × 0.5 cm cubes are needed to completely fill a rectangular prism measuring 4 cm × 3 cm × 3 cm?
tertre
●
●
hatchet288
Jun 9, 2018
Jun 8, 2018
+3
1887
4
+7
How much money should I invest at an annually compounded interest rate of 5% so that I have 500,000$ in ten years?
How much money should I invest at an annually compounded interest rate of 5% so that I have 500,000$ in ten years? Express your answer as a dollar value rounded to the nearest cent.
●
●
●
●
bruis11
Jun 8, 2018
0
4637
2
scientific notation
a) The table below shows the populations of several states (in millions) and the number of motor vehicle deaths in each. Complete the table by computing the number of motor vehicle deaths per capita (number of deaths per person) for each of the states.
read more ..
●
●
Guest
Jun 8, 2018
0
1051
4
+912
I got 2 answers for this one..
(a) P(t) = 8500(0.995)^t (not sure if its correct)
(b) i'm not sure
read more ..
●
●
●
●
AngelRay
Jun 8, 2018
0
877
1
+912
Solve the system of equations
Solve the system of equations
●
AngelRay
Jun 8, 2018
+1
1129
1
+505
Help plz
Larry has 4-cent stamps and 9-cent stamps, which he can combine to produce various amounts of postage. For example, he can make 40 cents by using four 9-cent stamps and a 4-cent stamp, or by using ten 4-cent stamps. However, there are some amounts of postage
read more ..
●
MobiusLoops
Jun 8, 2018
+1
701
1
Off topic
Why did the recently updated/off topic/no off topic/most answers filters disappear?
off-topic
●
Guest
Jun 8, 2018
0
1288
1
+753
When working modulo m,
When working modulo m, the notation a^-1 is used to denote the residue b for which if any exists. For how many integers a satisfying is it true that
●
MIRB16
Jun 8, 2018
0
1590
1
In a discount store, 12% of the 100 cups in stock have some unnoticeable defect. What is the probability of buying 12 cups that don’t have a
In a discount store, 12% of the 100 cups in stock have some unnoticeable defect. What is the probability of buying 12 cups that don’t have any defect? And what is the probability of getting all 12 cups having a defect?
I really need
read more ..
●
Guest
Jun 8, 2018
+1
1151
4
+193
Funky Circle Areas
Two sectors of a circle of radius 12 overlap as shown, with P and R as the centers of the respective circles. Determine the area of the shaded region.
Diagram: file:///Users/avapark/Desktop/Screen%20Shot%202018-06-01%20at%206.32.24%20PM.png
read more ..
●
●
●
●
Confusedperson
Jun 8, 2018
Jun 7, 2018
+1
1493
4
+1378
Tricky Problem
Let A, B, and C be three points on the curve xy = 1 (which is a hyperbola). Prove that the orthocenter of triangle ABC also lies on the curve xy = 1.
Thank you!
heureka
●
●
●
●
AnonymousConfusedGuy
Jun 7, 2018
-5
844
1
+73
Slove: Check for extraneous solutions.
Slove: Check for extraneous solutions.
sqrt(a) - 4 = -10
read more ..
●
GAMEMASTERX40
Jun 7, 2018
0
909
3
+81
word problem
1.The consumers will demand 30 units when the price of a product is $53, and 47 units when the price is $33. Find the demand function (express thr price in terms of the quantity ), assuming it is linear.
p=
read more ..
●
●
●
Sloan
Jun 7, 2018
-5
795
1
+73
Simplify:
Simplify:
a) √20x15
read more ..
●
GAMEMASTERX40
Jun 7, 2018
-5
1003
1
+73
Joe has 120 coins, all nickels and dimes. He has 20 more dimes then nickels.
Joe has 120 coins, all nickels and dimes. He has 20 more dimes then nickels.
a) Write a system of equations representing the scenario.
read more ..
●
GAMEMASTERX40
Jun 7, 2018
«
latest
9511
9510
..
5390
5389
5388
5387
5386
..
2
1
»
Post New Question
2 Online Users
Top Users
+130560
CPhill
moderator
+37191
ElectricPavlov
+15147
asinus
moderator
+2431
Bosco
+1821
blackpanther
+1761
parmen
+1572
kittykat
+1301
AnswerscorrectIy
+995
gnistory
+987
booboo44
+869
cooIcooIcooI17
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.