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
230566 Questions
0
405
1
Calling ALl Users
A ball travels on a parabolic path in which the height (in feet) is given by the expression $-25t^2+75t+24$, where $t$ is the time after launch. At what time is the height of the ball at its maximum?
●
Guest
Mar 16, 2020
0
511
1
Help
Find the largest value n such that n^2-9n+18 is negative
●
Guest
Mar 16, 2020
0
395
1
apples and oranges
Eric bought apples and oranges for $7.75. He paid $2.35 for all the apples and $0.45 for each orange. How many oranges did he buy?
●
Guest
Mar 16, 2020
0
492
7
Please Help Melody! i edited it
How many integers satisfy the inequality x(3x-4) less than or equal to (6x^2-3x+5)/10
The answer is not 6
●
●
●
●
●
●
●
Guest
Mar 16, 2020
0
334
1
Help please (Matrices)
If there exists a matrix A such that
calculate
●
Guest
Mar 16, 2020
0
1140
1
PLEASE HELP! Bob placed three regular pentagons together at a vertex...
Bob placed three regular pentagons together at a vertex, thinking he might be able to form a tessellation. However, they left a gap. What is the number of degrees in the measure indicated?
●
Guest
Mar 16, 2020
0
576
1
helpp!!!
the 3 circles in the adjoining figure are externally tangent to each other, and each side of the triangle is tangent to two of the circles. if each circle has a radus of 2, then find the perimeter of the triangle.
diagram: https://latex.artofproblemsolving.com/0/9/e/09eb9cd5e511702149aa9236e78030f2f0300893.png
read more ..
●
Guest
Mar 16, 2020
0
434
1
Prove That
prove that 2tan2 θ +4cot4 θ = cot θ - tan θ
●
Guest
Mar 16, 2020
0
372
0
help
25% of American households have only dogs (one or more dogs) 15% of American households have only cats (one or more cats) 10% of American households have dogs and cats (one or more of each) 50% of American households do not have any dogs or cats. A researcher
read more ..
Guest
Mar 16, 2020
0
509
1
HELP PLZ
John surveyed a group of people about their knowledge of rats. To the nearest tenth of a percent, he found that 86.8% of the people surveyed thought rats carried diseases. Of the people who thought rats carried diseases, 45.7% said that rats frequently
read more ..
●
Guest
Mar 16, 2020
0
412
2
Please help me. Thank you everyone.
A certain organization has five leaders and some number of organizers. Every year, the current leaders are kicked out of the organization. Next, each organizer must find two new people to join as organizers. Finally, five new people are elected from outside
read more ..
●
●
Guest
Mar 16, 2020
0
1284
3
please help me im so lost and this is my last question on this assignment :((((
I have finished the last four questions on the assignment and I only need help with this last one!!
A marching band performs on the football field at half-time. As they perform, the members of the band stand in the shape of a
read more ..
●
●
●
Guest
Mar 16, 2020
0
777
2
please help
A box contains 81 coins, only dimes and nickels. The amount of money in the box is $5.30. How many dimes and how many nickels are in the box?
●
●
Guest
Mar 16, 2020
0
325
0
please help!
A quiz has four multiple-choice questions; each question is either true or false. How many different solution keys are possible?
Guest
Mar 16, 2020
0
477
1
help
what is the period, midline, and relfection of the function y=2tan(-3x)-8
●
Guest
Mar 16, 2020
0
541
1
help
A cone with a radius of 3 meters has a volume of 72 cubic meters. A pyramid with a square base has the same height and the same volume as the cone. What is the length of one side of the pyramid's base? Round your answer to the nearest tenth.
●
Guest
Mar 16, 2020
0
1682
1
Two adjacent sides of a rhombus form a 60-degree angle.
Two adjacent sides of a rhombus form a 60-degree angle. If each side of the rhombus measures 2 cm, what is the area of the rhombus, in square centimeters? Express your answer in simplest radical form.
●
Guest
Mar 16, 2020
0
554
1
help
Makoto's summer job is mowing and edging lawns. He charges $20 to mow a lawn and $10 to edge a lawn. Makoto earned $180 mowing some lawns and edging 4 lawns. How many lawns did he mow?
●
Guest
Mar 16, 2020
0
624
2
Let M and N be constants. The graphs of the lines x+5y=7 and 15x+MY=N are perpendicular and intersect at (-8,3) Enter the ordered pair (M,N)
Let M and N be constants. The graphs of the lines x+5y=7 and 15x+MY=N are perpendicular and intersect at (-8,3) Enter the ordered pair (M,N)
●
●
Guest
Mar 16, 2020
0
481
1
PLS HELPPPP
Find the distance between the x-intercept and the y-intercept of the graph of the equation 2x-5y=10.
●
Guest
Mar 16, 2020
0
701
1
Two adjacent sides of a rhombus form a 60-degree angle.
Two adjacent sides of a rhombus form a 60-degree angle. If each side of the rhombus measures 2 cm, what is the area of the rhombus, in square centimeters? Express your answer in simplest radical form.
●
Guest
Mar 16, 2020
0
2540
2
Last time I posted someone said the answer was 175, definitely wrong. Ignore dollar signs. [ACD] is the area of ACD
In the diagram, $BD = 5$, $CE = 4$, $[ABC] = 24$, and $[ADE] = 18$. Find $[ACD]$.
●
●
Guest
Mar 16, 2020
0
576
5
+422
Help pls ty
A line passes through the points (-3,5) and (6,1) . The equation of this line can be written in the form
Ax + By = C, where A, B, and C are integers with greatest common divisor 1, and A is positive. Find A+B+C.
●
●
●
●
●
AltShaka
Mar 16, 2020
0
393
0
HJ =x and IK = 2x - 7
HJ =x and IK = 2x - 7
Guest
Mar 16, 2020
«
latest
9221
9220
..
6382
6381
6380
6379
6378
..
2
1
»
Post New Question
3 Online Users
Top Users
+128460
CPhill
moderator
+118608
Melody
moderator
+33615
Alan
moderator
+14913
asinus
moderator
+9519
MaxWong
+3144
admin
administrator
+2440
GingerAle
+1763
tomtom
+1484
bader
+1085
parmen
+1032
kittykat
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.