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Post New Question
All Questions
+0
230450 Questions
0
705
1
Suppose $r$ and $s$ are the values of $x$ that satisfy the equation \[x^2 - 2mx + (m^2+2m+3) = 0\]for some real number $m$. Find the minimum
Suppose $r$ and $s$ are the values of $x$ that satisfy the equation \[x^2 - 2mx + (m^2+2m+3) = 0\]for some real number $m$. Find the minimum real value of $r^2+s^2$.
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Guest
Mar 1, 2019
0
817
1
Kinda a math question, physics mechanical energy with spring system
A block of mass 4 kg is attached to a spring whose spring constant is k = 1.10 103 N/m. The block is free to slide on a flat frictionless surface. The block is pushed to compress the spring by 18 cm, and then released. Assume the potential energy of the
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Guest
Mar 1, 2019
0
1031
2
+687
math
A cylinder shaped container has a radius of 30 cm and a height of 100cm. A glass sphere with a radius of 12 cm is placed inside the cylinder shaped container and then the container is completely filled with water.
What is the approximate volume
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hoiuu
Mar 1, 2019
+1
750
2
+67
100 Hearts!!! Thank you
I'd like to thank CPHill, ElectricPavlov, HiylinLInk, Melody, Alan, Heureka, and everyone
It feels good to be a part of this community
-DBZ
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off-topic
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DivideByZero
Mar 1, 2019
+1
1513
7
+687
A hollow crystal is made of glass that is 3 cm thick. The ball has a radius to the outside surface of 8 cm.
A hollow crystal is made of glass that is 3 cm thick. The ball has a radius to the outside surface of 8 cm.
What is the approximate volume of glass used to make the ball?
Use 3.14 to approximate π
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hoiuu
Mar 1, 2019
+1
1675
4
HELPPPPP PLZ
You want to use square tiles to cover the top of a table you're making. The top is 30 inches by 18 inches. What is the side measure of the largest-sized square tile you can use to cover the tabletop without any overlap or cutting?
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Guest
Mar 1, 2019
+1
844
1
Difference Quotient
For function f, construct and simplify the difference quotient
f(x) = (x-4)/(x+3)
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Guest
Mar 1, 2019
+1
417
0
Help fast pls
Consider the matrix
and the parallelogram in the picture below:
Say that A maps to , to , to
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Guest
Mar 1, 2019
+1
1100
1
Let $\mathbf{A}$ and $\mathbf{B}$ be invertible matrices such that \[\mathbf{A} \begin{pmatrix} 2 \\ -1 \end{pmatrix} = \begin{pmatrix} 1 \\
Let A and B be invertible matrices such that
Calculate
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Guest
Mar 1, 2019
+1
4544
1
Let $\mathbf{A}$ be a matrix, and let $\mathbf{x}$ and $\mathbf{y}$ be linearly independent vectors such that \[\mathbf{A} \mathbf{x} = \mat
Let A be a matrix, and let x and y be linearly independent vectors such that
Then we have that
for some scalars a and b. Find the ordered pair (a,b).
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Guest
Mar 1, 2019
0
724
0
+67
PSA: Please mark off topic posts as off topic
Here is how to do so:
P:S:Thanks Mods!!!
off-topic
DivideByZero
Mar 1, 2019
0
739
1
+67
Direct the story update 2
When I grow up I hope to make Immigration laws fair and to make this website get better.
Beauty is an enormous, unmerited gift given randomly
Given randomly to the uncredited and not well fortuned, that...
A dream, all
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off-topic
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DivideByZero
Mar 1, 2019
+1
767
2
Homework trouble
6.5 7 7.5 6.5 12 7 7.5
Range=
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Guest
Mar 1, 2019
0
1106
2
help-geometry
There are two different isosceles triangles whose side lengths are integers and whose areas are 120(sorry).One of these two triangles, has two sides with length 17 and one with length 30. Determine the perimeter of the second triangle.
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Guest
Mar 1, 2019
+5
2038
3
+134
!!!Welcome To Web2.0calc!!!
♦♦♦Welcome Thanks For Chosing Web2.0calc♦♦♦ ----» We all Welcome You Here to our site and hope you like Being a part of Helping others. We all spend time to help you or others out. Any of us will gladly help you on any math question you have in Mind. We advise
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off-topic
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killersteve27
Mar 1, 2019
+1
630
2
Help please!
Let be a root of . Evaluate .
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Guest
Mar 1, 2019
Feb 28, 2019
-5
654
1
+73
Given:
Given:
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GAMEMASTERX40
Feb 28, 2019
0
1205
1
+687
A spherical tank has a radius of 6 yards. It is filled with a liquid that costs $7.50 per cubic yard.
A spherical tank has a radius of 6 yards. It is filled with a liquid that costs $7.50 per cubic yard.
What is the total value of the liquid in the tank?
Use 3.14 for π
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hoiuu
Feb 28, 2019
-4
675
2
+73
Use three different ways (graph, table, algebraically) to convince someone that...
Use three different ways (graph, table, algebraically) to convince someone that...
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GAMEMASTERX40
Feb 28, 2019
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