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Post New Question
All Questions
+0
237687 Questions
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955
2
Physics help needed
Eric warms up 1kg milk in a pan on a gas stove from 20 °C to 80 °C. Of the energy the gas supplies, 50% is lost and 20% is absorbed by the pan. The remaining energy goes to the milk. The formula for the specific heat of the milk is 3,9 J/g ·
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off-topic
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Guest
Jun 21, 2019
-2
876
1
Plz help
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Guest
Jun 21, 2019
Jun 20, 2019
+1
1125
3
+95
I am actually really stuck on this...
I kinda gave up on the last problem... so new problem :)
Let and The complex number d is such that a, b, c, and d form the vertices of a parallelogram, when plotted in the complex plane. Enter all possible
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Pushy
Jun 20, 2019
0
1083
5
Help
Complex numbers are often used when dealing with alternating current (AC) circuits. In the equation $V = IZ$, $V$ is voltage, $I$ is current, and $Z$ is a value known as impedance. If $V = 1-i$ and $Z=1+3i$, find $I$. Express your answer as a complex number
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Pushy
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Guest
Jun 20, 2019
0
1901
4
I’m confused
How many distinct ordered pairs of positive integers $(m,n)$ are there so that the sum of the reciprocals of $m$ and $n$ is $\frac14$?
heureka
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Guest
Jun 20, 2019
0
1338
4
Help.
Evaluate $i^{11} + i^{16} + i^{21} + i^{26} + i^{31}$.
This is an AoPS question but I don’t know what to do. Can someone help me understand? Just wanted to make that clear.
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Guest
Jun 20, 2019
0
830
1
Help Please!!!
If $x$, $y$, and $z$ are positive real numbers satisfying: \begin{align*} \log x - \log y &= a, \\ \log y - \log z &= 15, \text{ and} \\ \log z - \log x &= -7, \\ \end{align*}where $a$ is a real number, what is $a$?
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Guest
Jun 20, 2019
+1
1378
4
+95
Plz help plz plz tanks :)
There are four complex numbers such that
and both the real and imaginary parts of are integers. These four complex numbers are plotted in the complex plane. Find the area of the quadrilateral formed by the four
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Pushy
Jun 20, 2019
0
1
1127
3
+1246
Help!
Let a be a positive real number such that all the roots of are real. Find the smallest possible value of a.
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Lightning
Jun 20, 2019
+3
999
3
+1008
Welcome Thanks For Chosing 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
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Nickolas
Jun 20, 2019
0
3
3522
24
Please help
Venn diagrams can be used to solve word problems involving union and intersection of sets
1. A group of 25 high school students were asked whether they use either Facebook or Twitter or both,Fifeen of these students use facebook and
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Guest
Jun 20, 2019
0
1005
2
+1246
Help!
Find all the values of a for which the equations have a common real root. Enter all the possible values, separated by commas.
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Lightning
Jun 20, 2019
0
920
3
+1246
Help!
If the roots of form an arithmetic sequence, find c.
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Lightning
Jun 20, 2019
0
935
5
+26
Hello forum people
In the equation y=mx + B what symbolises slope?
hectictar
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CharmingTeachers
Jun 20, 2019
0
908
5
+26
Hello forum people
Your given the equation of a line
12 = + 8
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CharmingTeachers
Jun 20, 2019
0
957
5
+26
Hello forum people may I have assitence.
Given the equation if x is equal to 50
2y + 2x = 500
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CharmingTeachers
Jun 20, 2019
0
844
2
+26
Hello forum people may I have assitence
Your given the equation 1465 = b5 + 5
I have trouble when there backwards.... IDK why.
hectictar
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CharmingTeachers
Jun 20, 2019
+5
1032
3
+448
Hi Guy's may I have some help?
The way I did it was the following:
150ft2 = 6x + ( 4 * 6 ) I completed the paraenthasesses
150ft2 = 6x + 12 ft2 Then after that I subtracted 12 from both sides
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HiylinLink
Jun 20, 2019
0
1081
7
1. Find the greatest integer x such that
1. Find the greatest integer x such that
2. Find the greatest possible value for where
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Guest
Jun 20, 2019
0
679
2
HALPPP PLZ!!!!!
Let f(x) = px+q, where p and q are real numbers. Find p+q if f(f(f(x))) = 8x+21.
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Guest
Jun 20, 2019
0
876
1
+1246
Help!
Find the sum of the roots, real and non-real, of the equation , given that there are no multiple roots.
heureka
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Lightning
Jun 20, 2019
0
1677
1
Kinetic and Potential energy help please
a 0.0780 kg lemming runs off a 5.36 m high cliff at 4.84 m/s. What is its potential and kinetic energy when it lands? Ive tried so many answers but cant seem to find the right ones for this problem, any help will be greatly appreciated!
ElectricPavlov
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Guest
Jun 20, 2019
+1
2218
2
help
A semi-circle of radius 8 cm, rocks back and forth along a line. The distance between the line on which the semi-circle sits and the line above is 12 cm. As it rocks without slipping, the semi-circle touches the line above at two points. (When the semi-circle
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Guest
Jun 20, 2019
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