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
237641 Questions
0
361
0
minimum value
What is the minimum value of the expression 2x^2 + y^2 + 8x - 24y + 62 for real x and y?
Guest
Nov 22, 2020
0
609
1
+13
D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 4. What is [ABD]?
D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 4. What is [ABD]?
●
xMysticalLegend
Nov 22, 2020
0
635
1
+133
Check and help please.
I solved half the problem. But I am confused about the rest. Can someone check my answer and help me figure out the answer? Thank you.
●
Spring
Nov 22, 2020
0
591
2
+133
Am I correct??
I solved this myself and got the answer 8i. However, I feel like I am incorrect. Can anyone help me please. Thanks.
●
●
Spring
Nov 22, 2020
0
645
1
+133
Please Help!
I'm very confused. Thank you! 😊
●
Spring
Nov 22, 2020
0
623
2
+133
Please Help!!! Need it urgently.
Convert r=5/3sinθ−cosθ to rectangular form.
Enter your answer in slope-intercept form by filling in the boxes. Enter values so that fractions are simplified.
read more ..
●
●
Spring
Nov 22, 2020
0
404
0
Help needed
Tiawanda recorded in this table the type of cars driven by people in his neighbourhood.
Type of Car
Van
SUV
read more ..
Guest
Nov 22, 2020
0
354
0
Maximization problem, need help ASAP
I don't understand how to maximize this equation and am completely stuck. I need help asap!
Guest
Nov 22, 2020
0
526
1
+4
What is the hight of the tree??
How high is a tree that casts a 35​-ft shadow at the same time a 5​-ft pole casts a shadow which is 9​-ft​ long?
●
hhssss
Nov 22, 2020
0
1
996
8
help meh pls
Let P be a variable point on the parabola and Let B and C be points on the y-axis so that the circle is inscribed in triangle PBC. Find the minimum area of triangle PBC.
●
●
●
●
●
●
●
●
Guest
Nov 22, 2020
0
569
2
smallest whole number
What is the smallest whole number that has a remainder of 1 when divided by 4, a remainder of 1 when divided by 7, and a remainder of 2 when divided by 5?
●
●
Guest
Nov 22, 2020
0
547
1
Help asap
There are 104 students at The School of Hat Design. There are 104 gerbils in a row out on the playfield. Shockingly, none of them is wearing a hat. So student 1 goes by and puts a hat on every gerbil. But student 2 goes by and slyly removes the hat from
read more ..
●
Guest
Nov 22, 2020
0
448
1
I pick two whole numbers
I pick two whole numbers x and y between 1 and 10 inclusive (not necessarily distinct). My friend picks two numbers x - 4 and 2y + 1. If the product of my friend's numbers is one greater than the product of my numbers, then what is the product of my numbers?
read more ..
●
Guest
Nov 22, 2020
0
651
2
+980
Usher fairs currently charges 200 dollars per entry ticket and sells 40,000 entry tickets a week. For every 10 dollars they increase the
Usher fairs currently charges 200 dollars per entry ticket and sells 40,000 entry tickets a week. For every 10 dollars they increase the ticket price, they sell 800 fewer tickets a week. How many dollars should they charge to maximize
read more ..
●
●
qwertyzz
Nov 22, 2020
0
398
1
help pls
After a psychophysics test, each of the twenty-five students in the class looked at the teacher's gradebook. Each student saw five A's. Nobody saw all the grades and nobody saw his or her own grade. What is the minimum number of students with an A on this
read more ..
●
Guest
Nov 22, 2020
0
498
1
complex numbers
There are 3 complex numbers a + bi, c + di, and e + fi. If b = 1 , e = - a - c, and the sum of the numbers is -2i, find d + f.
●
Guest
Nov 22, 2020
0
492
1
quadratic
The quadratic x^2 - 10x + 36 can be written in the form (x + b)^2 + c, where b and c are constants. What is b + c?
●
Guest
Nov 22, 2020
0
531
1
PLZ HELP DUE VERY SOON
A line has a slope of and its -intercept is. What is its -intercept?
●
Guest
Nov 22, 2020
0
567
3
hard math
A cowboy agreed to work for one year for $19200 plus a horse. He quit after 7 months and was paid $10450 plus a horse. How many dollars was the horse worth, if the paid salary reflects the fair proportion of his yearly salary?
●
●
●
Guest
Nov 22, 2020
0
673
1
+205
Inferring and Evaluating
a) What does the graph show?
b) What inferences can you make from the graph? Explain.
TIP <#> Compare the heights of the bars for adults and youths for each day. <#> c)
read more ..
●
parpar1
Nov 22, 2020
0
373
1
roots
x^2 + bx + b + 3 = 0 has roots of the form x = (-b +/- sqrt(7))/2, where b > 0. Find b.
●
Guest
Nov 22, 2020
0
539
1
geometry
In the diagram, four circles of radius 4 units intersect at the origin. What is the number of square units in the area of the shaded region? Express your answer in terms of pi.
Note: The four centers are four vertices of a regular
read more ..
●
Guest
Nov 22, 2020
0
406
0
advanced maths
how many integer solutions of x1+x2+x3+x4 = 28 are there with
0<=xi<=12,
-10<=xi<=20,
0<=xi ,x1<=6, x2<=10, x3<=15, x4<=21
read more ..
Guest
Nov 22, 2020
0
542
1
math
x²-4x+13=0
asinus
●
Guest
Nov 22, 2020
«
latest
9504
9503
..
7154
7153
7152
7151
7150
..
2
1
»
Post New Question
1 Online Users
Top Users
+130511
CPhill
moderator
+15127
asinus
moderator
+2145
Bosco
+1808
blackpanther
+762
history
+448
HiylinLink
+289
CInsbstnkng
+113
thatgirlaj
+110
ikleyn
+63
TheDeathlyHallows
+23
Dragononweb2.0calc
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.