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
+1
340
3
help please, have a great day :)
The simultaneous conditions x - y <= 6, x + y <= 6, and x >= 0 define a region R. What is the area of region R? How many lattice points are in region r? How many lattic points lie on the boundary of R ? What if 6 is replaced by 100?
read more ..
●
●
●
Guest
Jul 14, 2021
+1
338
2
HelPPPPpppppPPPPPpppppPPPPPpppppPPPPPpppppPPPP
Victor's tennis club membership costs him 200 dollars per year and he has to pay an additional 3 dollars per hour on court rental fees. The town courts costs a flat fee or 6 dollars per hour to rent.
a. Write an
read more ..
●
●
Guest
Jul 14, 2021
+1
376
2
HELpp
A lattice point is a point whose coordinates are both integers. How many lattice points are on the boundary or inside the region bounded by the x-axis, the line x=4 and the curve y=2\sqrt{x}?
●
●
Guest
Jul 14, 2021
+2
399
4
+165
help
Find the constant term in the expansion of ( x^2 + 1/x )^4.
●
●
●
●
viola
Jul 14, 2021
+1
340
2
Exponents
What is the value of b if 5^b + 5^b + 5^b + 5^b + 5^b = 25^(b - 1).
WhyamIdoingthis
●
●
Guest
Jul 14, 2021
+1
307
1
Algebra
For a real number x, find the number of different possible values of x^2 - abs(x)^2.
WhyamIdoingthis
●
Guest
Jul 14, 2021
0
306
1
help coordinates
Find the distance between (3,4) and the line 4x+8y+7=0.
●
Guest
Jul 14, 2021
0
280
2
Statistics
In a survey of 42 U.S. children, 72% said they plan to complete a summer reading list this year. Give an interval that is likely to contain the exact percent of all U.S. children who plan to complete a summer reading list this year. Round to the nearest
read more ..
●
●
Guest
Jul 14, 2021
0
242
0
Let πππ π₯ = (β 1 /2+π ) and cos π₯ lies below the π₯ ππ₯ππ . m=8
Let πππ π₯ = (β 1 /2+π ) and cos π₯ lies below the π₯ ππ₯ππ . m=8
1) find sin(2x) , cos(2x) and tan(2x).
Guest
Jul 14, 2021
0
429
3
Coordinates
The line y=(3x+20)/4 intersects a circle centered at the origin at A and B. We know the length of chord AB is 26. Find the area of the circle.
●
●
●
Guest
Jul 14, 2021
0
535
1
Quadratic
If n is a constant and if there exists a unique value of m for which the quadratic equation x^2 + mx + (m+2n) = 0 has one real solution, then find n.
●
Guest
Jul 14, 2021
0
323
0
+89
repost: help
https://web2.0calc.com/questions/help_51058
justinwh333
Jul 14, 2021
0
202
0
help number theory
Finding the largest
a) prime whose cube divides 1!2!β―1000!
b) number n such that (600!)! is divisible by ((n!)!)!
Guest
Jul 14, 2021
0
372
1
math
Find the value of x if 9^x - 6*3^x - 27 = 0.
●
Guest
Jul 14, 2021
0
402
1
Algebra
If x + y = 1 and x^2 + y^2 = 2, then find x^3 + y^3.
●
Guest
Jul 14, 2021
0
445
2
Algebra
When going to the beach, Guilherme takes 2 hours on the road to go from his city to the beach and 3 hours to get back to his city. Knowing that Guilherme's car goes at 100 km/h when downhill, 80 km/h on plane surfaces and 60 km/h uphill, and that
read more ..
●
●
Guest
Jul 14, 2021
0
312
2
Algebra
Multiply and combine like terms: (2x+1/6)^4
●
●
Guest
Jul 14, 2021
0
221
1
Domain
There are three real numbers x that are not in the domain of
\[f(x) = \cfrac{1}{1+\cfrac{2}{1+\cfrac 3x}}.\]
What is the sum of those three numbers?
●
Guest
Jul 14, 2021
0
286
1
Algebra
A team has started it's season badly, winning 1 game, losing 6, and trying none. The team will play a total of 25 games this season. what percentage of the seven games played so far have been wins?
●
Guest
Jul 14, 2021
0
310
1
math
Hiram's algebra notes are 50 pages long and are printed on 25 sheets of paper; the first sheet contains pages 1 and 2, the second sheet contains pages 3 and 4, and so on. One day he leaves his notes on the table before leaving for lunch, and his
read more ..
●
Guest
Jul 14, 2021
0
383
1
trig
A tall pole is constructed in a flat parking lot; the pole stands straight up and forms a right angle with the ground. The pole casts a shadow, as shown below. The length of the shadow is 12 feet. Find the height of the pole, to the nearest foot. You may
read more ..
●
Guest
Jul 14, 2021
0
290
1
Work problem
Machine A and Machine B can produce 1 widget in 3 hours working together at their respective constant rates. If Machine Aβs speed were doubled, the two machines could produce 1 widget in 2 hours working together at their respective rates. How many hours
read more ..
●
Guest
Jul 14, 2021
0
335
1
+4
Help Please!
Alyssa has four marbles: a red one, a blue one, a green one, and a yellow one. In how many different ways can she form a set consisting of some of the marbles if she must choose at least one marble? (In a set of chosen marbles, it does not matter in what
read more ..
●
zirequvu
Jul 14, 2021
0
210
1
plz help
Find all integers n such that when the clock strikes n o'clock, the acute angle between the hour and minute hands is 90 degrees. Enter your answer as a comma-separated list.
●
Guest
Jul 14, 2021
0
193
0
Math
https://www.gauthmath.com/lp/team-invite?code=74XD29&sid=6984584527889237509&tid=284837
Guest
Jul 14, 2021
«
latest
9221
9220
..
7867
7866
7865
7864
7863
..
2
1
»
Post New Question
2 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.