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
237668 Questions
0
326
1
PLZ HELP!!!!!
https://web2.0calc.com/questions/math_44140
●
Guest
May 26, 2021
0
436
3
HELP
The square root of 2x is greater than 3 and less than 4. How many integer values of x satisfy this condition?
●
●
●
Guest
May 26, 2021
0
441
1
Number Theory
What is the product of the two smallest prime factors of 2^{100} - 1?
●
Guest
May 26, 2021
May 25, 2021
0
462
2
Number Theory
The six-digit integer 978,XYZ consists of six distinct digits and is divisible by 7, 8 and 9. What is the three-digit integer XYZ?
●
●
Guest
May 25, 2021
+1
382
2
triangles
1) find the area of triangle ABC
2) in the diagram, tan C = 2.4. find cos A.
read more ..
●
●
Guest
May 25, 2021
0
423
1
trigonometry help pls!!
1) sin 60
2) tan 45
3) cos 120
4) sin 150
read more ..
●
Guest
May 25, 2021
0
444
1
Polynomials
f(x) = 1 - 12x + 3x^2 - 4x^3 + 5x^4 and g(x) = 3 - 2x - 6x^3 + 10x^4. Find c such that the polynomial f(x) + cg(x) has a degree 3.
●
Guest
May 25, 2021
0
474
2
Number Theory
What is the least positive integer n such that 1560 divides n^2?
●
●
Guest
May 25, 2021
0
457
1
Answer Quick Please!
The -intercept of a positively-sloped line is -5, and the area of the triangle formed by the line, the -axis, and the -axis is 10. What is the slope of the line?
●
Guest
May 25, 2021
0
427
5
Answer Quick Please!!
What is the slope of a line perpendicular to the line containing the points $(4,-7)$ and $(-5,-1)$? Express your answer as a common fraction.
●
●
●
●
●
Guest
May 25, 2021
0
431
1
I need an answer quick!
Compute the ordered pair of positive integers $(x,y)$ such that \begin{align*} x^y+1&=y^x,\\ 2x^y&=y^x+7. \end{align*}
●
Guest
May 25, 2021
0
476
10
Math Help
5. A 6-m ladder is used to reach a window 5 m above ground. What is the farthest distance from the base of the wall that the foot of the ladder can rest?
The farthest distance is _____.
6. A ramp has height 2 m. The sloping length of the ramp
read more ..
●
●
●
●
●
●
●
●
●
●
Guest
May 25, 2021
0
463
1
Asap pl
Austin takes 4 hours to make 2 backpacks and a handbag. The time he takes to
make a backpack is twice the time he takes for a handbag. Find the time he takes to
make a handbag.
●
Guest
May 25, 2021
0
727
1
Answer within the hour please!
Line
represents the graph of
. Line
read more ..
●
Guest
May 25, 2021
0
481
2
+27
I am confused
A rectangular whiteboard has a width of (3x + 4) feet and length of (2x + 5) feet. If the area of the whiteboard is 38 square feet, find the length of the whiteboard. Pls help thx!!
●
●
Ezezez
May 25, 2021
0
476
2
+27
algebra
The sum of an even number and its square is 240. What is the number?
●
●
Ezezez
May 25, 2021
0
410
1
for physics test tommorow
the students record the velocity at light gate a as 0.20 the velocity at light gate b as 0.65 "m s" and the time taken "as2 0" s "the students record the velocity at light gate a as 0.20 the velocity at light gate b as 0.65 m/s and the time taken as 2.0
read more ..
●
Guest
May 25, 2021
0
474
1
HELP!!!
A rocket is launched vertically upward from ground level with an initial velocity of 128 meters per second. Equation for meters: h(t)=-5t2+ vt + h0. Round any answers to the nearest tenths.
a)Write an equation to model the situation,
read more ..
●
Guest
May 25, 2021
0
299
0
Math
Rectangle 1 has length 10 and width 20. Rectangle 2 is made by multiplying each dimension of Rectangle 1 by a factor of k=3
(a) Are Rectangle 1 and Rectangle 2 similar? Why or why not? Show all work and explain.
read more ..
Guest
May 25, 2021
0
445
4
Math
https://web2.0calc.com/questions/thks
●
●
●
●
Guest
May 25, 2021
0
427
1
Digit problem
An ordered pair of digits (a,b) is such that 4a5, b72 is a multiple of 66. Find a + b .
●
Guest
May 25, 2021
0
463
1
+16
Fish Tank: Volume Questioin
A fish tank is 28 inches tall and has a base that is 17 inches by 21 inches. You want to fill the tank to a depth of 26 inches. How much water will it take?
●
genaaleech
May 25, 2021
0
384
1
Weird problem
Consider the sequence of numbers defined recursively by $t_1=1$ and for $n>1$ by $t_n=1+t_{n/2}$ when $n$ is even and by $t_n=\frac{1}{t_{n-1}}$ when $n$ is odd. Given that $t_n=\frac{19}{87}$, find $n.$
What I did:
read more ..
●
Guest
May 25, 2021
0
506
1
+16
Sandbox: Volume Question
Amira is building a square sandbox with sides 9 feet long. She wants to put sand 0.85 feet deep in the box. How many cubic feet of sand should Amira order?
●
genaaleech
May 25, 2021
«
latest
9505
9504
..
7738
7737
7736
7735
7734
..
2
1
»
Post New Question
0 Online Users
Top Users
+130540
CPhill
moderator
+33665
Alan
moderator
+15127
asinus
moderator
+2234
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.