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Post New Question
All Questions
+0
230619 Questions
-2
916
1
+71
Complete a triangle proof (show work)
Complete a triangle proof given that AB is parallel to DE and B is parallel to E and prove that ABC is parallel to DEC.
(the shape look like a bowtie with the C point connecting the two triangles).
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Mathrules
Jul 5, 2018
0
966
10
HELP PLZ
How many ways are there to put 6 balls in 3 boxes if the balls are not distinguishable but the boxes are?
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Guest
Jul 5, 2018
0
1705
1
+586
help
GIven the system of equations,
xy= 6 - 2x - 3y
yz= 6 - 4y - 2z
xz= 30 - 4x - 3z
find the positive solution for x
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xXxTenTacion
Jul 5, 2018
+1
712
1
+5
Geometry Help.
Let ABCD be a convex quadrilateral, and let M and N be the midpoints of sides AD and BC, respectively. Prove that MN <= (AB + CD)/2. When does equality occur? Thanks for any help in advance.
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penguin10293
Jul 5, 2018
+2
1125
3
+65
PLS HELP
Find all values of x that satisfy the equation
.
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Dr.Amione
Jul 5, 2018
+4
931
2
+65
pls help
Find all real numbers that satisfy the equation below:
:
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Dr.Amione
Jul 5, 2018
0
1040
1
Geometry
The cube below has sides of length 4 feet. If a cylindrical section of radius 2 feet is removed from the solid, what is the total remaining volume of the cube? Express your answer in cubic feet in terms of pi
.
read more ..
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Guest
Jul 5, 2018
-1
1348
3
Math Problem
A right cone has a base with a circumference of $16\pi$ inches and a height of 30 inches. The height of this cone is reduced while the circumference stays the same. The volume of the shorter cone is $192\pi$ cubic inches. What is the ratio of the shorter
read more ..
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Guest
Jul 5, 2018
0
780
1
Geometry Question
Trapezoid ABCD has vertices A(-1,0), B(0,4), C(m,4) and D(k,0), with m>0 and k>0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid ABCD is 34 square units. What is the value of k?
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Guest
Jul 5, 2018
0
1192
1
algebra
How many integers satisfy the inequality x(3x-4)<=6x^2-3x+5 divided by 10 ?
read more ..
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Guest
Jul 5, 2018
0
669
1
Algebra
Find the value of b in -x^2+bx-5<0 where x is element (-infinity,1) (1, infinity)?
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Guest
Jul 5, 2018
Jul 4, 2018
+1
930
4
+537
HELP.... Probability!
Two different numbers are selected simultaneously and at random from the set {1, 2, 3, 4, 5, 6, 7}. What is the probability that the positive difference between the two numbers is 2 or greater? Express your answer as a common fraction.
<
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MathCuber
Jul 4, 2018
0
767
1
+586
help plz
A painting with dimensions 10 inches by 14 inches is placed in a picture frame (of constant width), increasing its area to 221 square inches. How many inches is the width of the picture frame?
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xXxTenTacion
Jul 4, 2018
0
1252
1
If c is a constant such that x 2 + 25x + c is equal to the square of a binomial, then what is c?
If c is a constant such that x2 + 25x + c is equal to the square of a binomial, then what is c?
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Guest
Jul 4, 2018
+2
2735
0
+6
[Calculus I] Area under the curve word problem
Hello there. I really need help solving this problem. I have no idea what I'm doing. The question reads:
A two-day environmental clean up started at 9AM on the first day. The number of workers fluctuated as shown in the figure.
Suppose
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nooobydooby
Jul 4, 2018
0
531
1
+586
A mathematician works for t hours per day and solves p problems per hour, where t and p are positive integers and 1
A mathematician works for $t$ hours per day and solves $p$ problems per hour, where $t$ and $p$ are positive integers and $1
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xXxTenTacion
Jul 4, 2018
0
501
0
+99
How do i solve this?
Thanl you
bigguy1989
Jul 4, 2018
0
535
0
+99
How do i solve this?
Thank you
bigguy1989
Jul 4, 2018
0
594
0
+99
Which one are True/False
I have True, False, True, True, True, True, True
bigguy1989
Jul 4, 2018
0
497
2
I’ve always wondered. Does England have a 4th of July?
I’ve always wondered. Does England have a 4th of July?
off-topic
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Guest
Jul 4, 2018
0
508
1
dividing fractions
a stretch of highway that is 12 1/4 kilometers has speed limit signs every 7/8 of a kilometer
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Guest
Jul 4, 2018
0
1001
5
+82
Urgent Question. HELP! thanks!
Problem
Suppose and are integers. How many solutions are there to the equation
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HelpPls
Jul 4, 2018
0
1003
0
+1450
Anybody?
https://web2.0calc.com/questions/let-denote-the-circular-region-bounded-by-x-2-y-2
:?
AnonymousConfusedGuy
Jul 4, 2018
0
1961
3
+586
Help plz
My friend and I both have the same math homework one day. I work at a rate of p problems per hour and it takes me t hours to finish my homework. My friend works at a rate of 2p-4 problems per hour and it only takes him t-2 hours to finish
read more ..
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xXxTenTacion
Jul 4, 2018
0
499
1
+586
Question
Find all values of y which DO NOT satisfy
1≤4-3y<10
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xXxTenTacion
Jul 4, 2018
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