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
234795 Questions
0
1066
1
Help asap
How many non-congruent triangles can be drawn such that their vertices lie on the corners of a unit cube?
●
Guest
Jan 23, 2020
0
588
0
help
A new drug on the market is known to cure 24% of patients with colon cancer. If a group of 15 patients is randomly selected, what is the probability of observing, at most, two patients who will be cured of colon cancer?
Guest
Jan 23, 2020
0
674
1
help
how do you do a fraction
●
Guest
Jan 23, 2020
0
437
0
help
The distance between two cities on a map is 4 1/2 inches. The actual distance between the two cities is 24 miles. What is the scale used on the map? If the scale on a different map of the same area is inch = 1 mile, how many inches separate the same two
read more ..
Guest
Jan 23, 2020
0
399
0
help
At a Fourth of July celebration, a rocket is launched straight up with an initial velocity of 125 feet per second. The height h of the rocket in feet above sea level is modeled by the formula h= 125t-16t^2, where t is the time in seconds after the rocket
read more ..
Guest
Jan 23, 2020
0
622
2
help
An aircraft flying with the wind flies to new york in 4 hours, on the return trip, the plane takes 5 hours in the same wind, find the speed of the plane if the air is still.
●
●
Guest
Jan 23, 2020
0
375
2
help
Amanda spent $31.50 on 3.5 pounds of cookies. How much would it cost her to purchase 5 pounds of cookies at the same price?
●
●
Guest
Jan 23, 2020
0
840
1
help
If you place a 40 foot ladder against the top of a 24 foot building how many feet will the bottom of the ladder be from the bottom of the building?
●
Guest
Jan 23, 2020
0
625
1
help
Layne got 9 hits in his first 22 at bats. If his hitting rate remains constant, how many at bats would he have to have to reach 50 hits??
●
Guest
Jan 23, 2020
0
385
0
help
The Gonzalez family has a combined monthly income of $1850. Their food budget is $ 380 per month. What percent of their monthly income is budgeted for food? (Round your answer to the nearest whole percent.)
Guest
Jan 23, 2020
0
678
0
+24
A small series of trig questions
Choose the reasons for the steps into the respective box for this problem so that the equation is solved.
JohnLester1
Jan 23, 2020
0
479
0
help
All of the 4th grade teachers and students from Cambridge went on a field trip to an art museum. Tickets were $5.50 per teacher and $3.00 for each student. This group paid $29.00 in total. The next month, the same group visited a science museum where the
read more ..
Guest
Jan 23, 2020
+1
1227
1
+24
Trig Question
What is the measure of the central angle of a circle if the radius is 18 centimeters. Assume that it intercepts a 12pi centimeter arc. I would prefer the answer in degrees if you dont mind.
●
JohnLester1
Jan 23, 2020
0
583
2
help please
Find the number of real roots of 2x^2001 + 3x^2000 + 2x^1999 + 3x^1998 + ...+ 2x + 3 = 0.
●
●
Guest
Jan 23, 2020
+4
3189
4
+9476
Linear Algebra
The rectangle ABCD has vertices at A = (1, 2, 3), B = (3, 6, −2), and C = (0, 2, −6). Determine the coordinates of vertex D.
The answer according to the book is: D = (-2, -2, -1)
read more ..
●
●
●
●
hectictar
Jan 23, 2020
0
757
1
+50
help got the wrong answer (geometry)
THis is the link to the problem: https://web2.0calc.com/questions/geometry_79786
I drew a rectangle around the image and subtracted triangles, and I got the wrong answer.
●
Zekken
Jan 23, 2020
+1
805
6
+11
Remainder Question
So I was doing some math, and I came across this question.
What is the remainder when is divided by ?
read more ..
●
●
●
●
●
●
IMadeYouReadThis
Jan 23, 2020
0
2279
2
The terminal ray of angle
The terminal ray of angle β , drawn in standard position, passes through the point (−5, 2sqrt7) .
What is the value of cosβ ?
Enter your answer, in simplest radical form
read more ..
●
●
Guest
Jan 23, 2020
0
351
0
math help
thank you
https://prnt.sc/qrk6m5
Guest
Jan 23, 2020
0
589
4
I need help ASAP please
a)\compute the sum [ 101^2 - 97^2 + 93^2 - 89^2 + \cdots + 5^2 - 1^2.\]
read more ..
●
●
●
●
Guest
Jan 23, 2020
0
1303
1
An infinite geometric series has common ratio -1/3 and sum 25 What is the second term of the sequence?
An infinite geometric series has common ratio -1/3 and sum 25 What is the second term of the sequence?
●
Guest
Jan 23, 2020
0
712
1
help
You ask 120 people about what pets they have .the results show that 13/20 have dogs. How many people have dogs
●
Guest
Jan 23, 2020
«
latest
9390
9389
..
6246
6245
6244
6243
6242
..
2
1
»
Post New Question
4 Online Users
Top Users
+118654
Melody
moderator
+37084
ElectricPavlov
+33653
Alan
moderator
+14985
asinus
moderator
+5265
rarinstraw1195
+3146
admin
administrator
+2651
LiIIiam0216
+2489
GingerAle
+1911
tomtom
+1836
NotThatSmart
+1758
bader
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.