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
237784 Questions
0
912
3
+134
I need help with Probability
can i please get help on how to work this out
●
●
●
petri
Nov 21, 2018
-1
614
3
+4116
Help
Help
CoolStuffYT
●
●
●
NotSoSmart
Nov 21, 2018
0
1361
3
need help
A 7-foot tall stop sign creates a shadow that is 2 feet long. At the same time, a utility pole creates a shadow that is 11 feet long. How tall, in feet, is the utility pole?
off-topic
●
●
●
Guest
Nov 21, 2018
-1
814
2
+4116
Help
Help
●
●
NotSoSmart
Nov 21, 2018
-1
645
5
+4116
Help with this one CPhill
Help with this one CPhill
●
●
●
●
●
NotSoSmart
Nov 21, 2018
0
823
1
+4
Several years ago, the reported mean age of an inmate on death row was
Several years ago, the reported mean age of an inmate on death row was
38.7 years. A sociologist wondered whether the mean age of a death-row inmate has changed since then.
He randomly selects 37 death-row
read more ..
●
sharonnact12
Nov 21, 2018
0
900
4
+193
Algebra
Evaluate the expression for the given value of the variable.
| b| + b³ ; b = –2
●
●
●
●
Littlegirlblue
Nov 21, 2018
-1
685
2
+4116
Help
Help
●
●
NotSoSmart
Nov 21, 2018
-1
586
1
+4116
Help
Help
Rom
●
NotSoSmart
Nov 21, 2018
-1
621
1
+4116
Help
Help
●
NotSoSmart
Nov 21, 2018
0
715
1
+845
proof by induction (divisibility)
please explain each step
●
YEEEEEET
Nov 21, 2018
+5
2090
3
+87
Geometry help plz!
In convex quadrilateral abcd,ab=bc=13 , cd=da=24, and . Points X andY are the midpoints of and respectively. Compute XY^2 (the square of the length of XY).
●
●
●
thunderkirby
Nov 21, 2018
0
2275
2
+1246
Help!
In the figure, ABCD is a rectangle, AZ=WC=6 units, AB=12 units and the area of trapezoid ZWCD is 120 square units. What is the area of triangle BQW?
read more ..
●
●
Lightning
Nov 21, 2018
0
823
1
+32
please help me
A new convenience store wishes to attract customers. For a one-day special, the store sells gasoline for $.25 per gallon below its regular cost per gallon. Suppose the store sells 5,750 gallons of gas that day. What is the store's profit or loss in
read more ..
●
Shayna0524
Nov 21, 2018
0
914
1
trig question
In right triangle $ABC$ with $\angle B = 90^\circ$, we have $\sin A = 2\cos A$. What is $\tan A$?
Rom
●
Guest
Nov 21, 2018
0
2543
3
polygons question
A regular hexagon is truncated to form a regular dodecagon (12-gon) by removing identical isosceles triangles from its six corners. What percent of the area of the original hexagon was removed? Express your answer to the nearest tenth.
●
●
●
Guest
Nov 21, 2018
0
587
2
Please Help Me Answer this Question.
Please Help Me Answer this Question.
Step by Step.
((sqrt(7+sqrt(24)))/(2) + (sqrt(7-sqrt(24)))/(2))^2
●
●
Guest
Nov 21, 2018
0
1032
1
best fit model?
Annual consumption of bottled water in the United States is given in the table.
Let C(t) be the billions of gallons consumed t years since 1990.
Year Bottled water consumption (billions of
read more ..
●
Guest
Nov 21, 2018
0
1511
2
+37
Geo help
Let C be a point not on line AE and D a point on line AE such that CD is perpendicular to AE Meanwhile, B is a point on line CE such that AB is perpendicular to CE.If AB=4, CD=8 and AE=5 then what is the length of CE
●
●
bambam89
Nov 21, 2018
0
949
1
Momentum
A gun of mass 1000kg, free to recoil in the direction of the horizontal barrel, fires a shot of mass 100kg with a velocity off 400ms. Find the speed of recoil of the gun. If the recoil is resisted by a constant force so that the gun moves back only 12cm,
read more ..
●
Guest
Nov 21, 2018
0
1884
1
+4
Given the equation y=4x-3 , answer the following questions.
a) If x increases by 1 unit, what is the corresponding change in y?
b) If x decreases by 2 units, what is the corresponding change in y?
●
Dixie
Nov 21, 2018
0
827
1
How many 4-digit numbers higher than 4000 can be formed by using the digits 2, 3, 4, 5 and 6 without repetition?
Pretty simple question.
How many 4-digit numbers higher than 4000 can be formed by using the digits 2, 3, 4, 5 and 6 without repetition?
●
Guest
Nov 21, 2018
«
latest
9510
9509
..
5592
5591
5590
5589
5588
..
2
1
»
Post New Question
1 Online Users
Top Users
+130516
CPhill
moderator
+118723
Melody
moderator
+15131
asinus
moderator
+2221
Bosco
+1844
blackpanther
+1580
kittykat
+1540
learnmgcat
+1309
AnswerscorrectIy
+1024
Hi6942O
+1022
gnistory
+1013
magenta
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.