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
237671 Questions
+1
2035
1
Needing help on these two ASAP
Use a graphing calculator or other technology to answer the question.
Which quadratic regression equation best fits the data set?
read more ..
●
Guest
May 8, 2020
0
904
0
+98
What is the polar form of the equation? x^2+(y+5)^2=25
What is the polar form of the equation? x^2+(y+5)^2=25
a. r^2=10 r sinθ
b. r^2=10 r cosθ
c. r (r + 10 sinθ)= 0
read more ..
ocmaz
May 8, 2020
-1
837
1
+422
Helpp
Sohan rolled a number cube 90 times. The outcome of "6" occurred 18 times. Is the theoretical probability smaller or larger than the experimental probability.
●
AltShaka
May 8, 2020
0
368
0
please help
In how many ways can 12 people be divided into three teams of four people?
Guest
May 8, 2020
0
413
0
A quadratic of the form has roots of and The graph of is a parabola. Find the vertex of this parabola.
A quadratic of the form has roots of and The graph of is a parabola. Find the vertex of this parabola.
off-topic
Guest
May 8, 2020
0
461
1
Help is needed!
Find the intersection of the lines 9x-4y=30 and 7x+y=11. Express your answer as an ordered pair (x,y).
●
Guest
May 8, 2020
0
870
0
Precalculus Vectors
A red cross helicopter takes off from headquarters and flies 125 km at 45 degrees south of west. There it drops off some relief supplies, then flies 140 km at 40 degrees west of north to pick up three medics.
If the helicopter then heads directly back
read more ..
Guest
May 8, 2020
-5
761
0
+73
The arc from A to B not passing through C measures 50 degrees.
The arc from A to B not passing through C measures 50 degrees.
GAMEMASTERX40
May 8, 2020
0
462
1
please help
How many ways can you arrange the nine letters A, B, C, D, E, F, G, H, I in a row, if B cannot immediately follow A?
●
Guest
May 8, 2020
0
452
0
Precalculus Vectors
A small plane lands at a point 216 miles east and 51 miles north of the point at which it took off. Find the distance the plane flew and the direction.
Distance = _____miles
Direction =_____degrees North of East
Guest
May 8, 2020
0
496
1
Please help!
Ten points are chosen on a circle. A line segment is drawn between every pair of chosen points. How many line segments are drawn?
●
Guest
May 8, 2020
-1
713
2
+422
Question
Sohan rolled a number cube 90 times. The outcome of "6" occurred 18 times. Is the theoretical probability smaller or larger than the experimental probability.
I dont really get how to start this problem?
●
●
AltShaka
May 8, 2020
0
445
0
Precalculus Vectors
An airplane is heading north at an airspeed of 800 km/hr, but there is a wind blowing from the southeast at 70 km/hr.
The plane will end up flying_____ degrees off course
The plane's speed relative to the ground will be_____ km/hr
read more ..
Guest
May 8, 2020
0
462
1
Hard 3D Geometry Problem
A right circular cone has a base radius of 4 and a height of 6. A right circular cylinder also has a base radius of 4 and a height of 6. Let A be the lateral surface area of the cone, and let B be the lateral surface area of the cylinder. Find A/B.
read more ..
●
Guest
May 8, 2020
-1
813
5
+422
Help
A bag contains these beads: 4 white, 6 red, 5 yellow, 5 blue. One bead is selected, KEPT, and another bead is selected. Find P(blue, then blue)
●
●
●
●
●
AltShaka
May 8, 2020
0
412
0
coordinates
Let R be the region consisting of points (x,y) such that |x| + |y| <= 3. Find the area of R.
Guest
May 8, 2020
0
684
0
+790
Please Help
A company that makes accessories for cars needs a container like the one shown at the right to hold touch-up paint. The hemispherical top will be fitted with a brush applicator. The cylindrical part of the container should be 4 inches tall. The volume of
read more ..
owlface13
May 8, 2020
0
504
1
+4
compound proportions
"john and Andrew working together can do a piece of work in 2 2/3 days. John working alone takes 2 days less than Andrew. How long does it take Andrew to do the work alone?"
●
Ellarono
May 8, 2020
0
525
2
help
Three chickens can lay three eggs in a day and a half. How long will it take for two chickens to lay 200 eggs?
●
●
Guest
May 8, 2020
-6
948
2
+73
Line PD is tangent to a circle of radius 1 inch centered at O. The length of PD is 1.2 inches. The length of AB is 1.7 inches.
Line PD is tangent to a circle of radius 1 inch centered at O. The length of PD is 1.2 inches. The length of AB is 1.7 inches.
read more ..
●
●
GAMEMASTERX40
May 8, 2020
0
1396
1
help
How many integers are there on the number line between $2\sqrt{10}$ and $10\sqrt{2}$?
●
Guest
May 8, 2020
0
743
1
send help
The parks and recreation department in your town offers a season pass for $150.
* With the season pass you pay $5 per session to use the town's tennis courts.
*Without the season pass you pay $15 per session to use the tennis courts.
Write a system
read more ..
●
Guest
May 8, 2020
«
latest
9505
9504
..
6611
6610
6609
6608
6607
..
2
1
»
Post New Question
1 Online Users
Top Users
+130540
CPhill
moderator
+33665
Alan
moderator
+15127
asinus
moderator
+2244
Bosco
+1808
blackpanther
+850
cooIcooIcooI17
+762
history
+448
HiylinLink
+267
CInsbstnkng
+114
ikleyn
+113
thatgirlaj
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.