richyw
 Name:
 Rich Williams
 School:
 About:
 In my junior year, doing physics.
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Questions Answered

richyw:
Group Title
This might be stupid, but how do I factor \(z^4+1\).
I can do it by calculating the roots the long way and then write, it out, but what are…
 updated 7 months ago
 14 replies
 9 Medals
Mathematics

I.onlyaskformath.help:
Group Title
The question is in the answer box PLEASE HELP if u help i give u medal and follow
 updated 7 months ago
 13 replies
 3 Medals
Mathematics

samantha2859:
Group Title
robert sharpened pencils for the school math contest. he charpened 8 pencils in 2 minutes and 32 pencils in 8 minutes. if he continous at th…
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

mcsmarty:
Group Title
Choose the correct description of the graph of the compound inequality
4x < 16 or x + 5 greater than or equal to 15
…
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

hkl1118:
Group Title
Octavian became the emperor of Rome in 27 B.C. He ruled until his death in A.D. 14. How long did he rule as emperor?
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

shyglizzy:
Group Title
Which of the following is the best thing to do as a first step in using substitution to solve the system of equations?
…
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

adventuretimefreak7:
Group Title
What is 2.8 in its simplest form?
 updated 7 months ago
 2 replies
 1 Medal
Mathematics

Dragonslayer55:
Group Title
what is 2+2 ?
A.4
B.3
…
 updated 7 months ago
 28 replies
 3 Medals
Mathematics

aklarken:
Group Title
how did the theme develope in treasure island?
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

Musicman778:
Group Title
A local hamburger shop sold a combined total of 604 hamburgers and cheeseburgers on Tuesday. There were more cheeseburgers sold than hambu…
 updated 7 months ago
 7 replies
 No Medals Yet
Mathematics

shelbydy:
Group Title
A movie theater is filled to capacity with 650 people. After the movie ends, people start leaving at the rate of 100 each minute.
For wh…
 updated 7 months ago
 11 replies
 1 Medal
Mathematics

girl8r7y:
Group Title
A rock was dropped from a platform on a tower 57 feet above a lake. The rock landed on the bottom of the lake which was 20 feet under th…
 updated 7 months ago
 5 replies
 No Medals Yet
Mathematics

xo_kansasprincess_xo:
Group Title
True or false: According to the square root property, the solution set of x^2 = 25 is {±5}.
…
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

xo_kansasprincess_xo:
Group Title
True or false: According to the square root property, the solution set of x^2 = 27 is {±3}.
…
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

tuna.eng:
Group Title
Calculator question: A particle moves along the xaxis so that at time t is greater than or equal to 0, its position is given by x(t)=(t+1)(…
 updated 7 months ago
 1 reply
 No Medals Yet
Mathematics

RainbowsxD:
Group Title
Explain how to write a function rule from the table below. Then write a function rule.
x 2 4 6
…
 updated 7 months ago
 12 replies
 No Medals Yet
Mathematics

richyw:
Group Title
is f(0) undefined?
\[f(z)=\frac{z^3}{z+z^5}\]
 updated 7 months ago
 4 replies
 1 Medal
Mathematics

richyw:
Group Title
Integrate around C, where C is the positively oriented contour z=5
\[\int_C \frac{e^{1/z}(4z^33)}{z(z^3+1)}\]
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

kenilssen:
Group Title
You and a friend are looking at the stars, and you notice two stars close together, one bright and one fairly dim. Your friend comments that…
 updated 7 months ago
 2 replies
 No Medals Yet
Mathematics

larquitta1995:
Group Title
What must be the same for two resistors that are connected in parallel?
A. The rate at which energy is used by each
B. The potential dif…
 updated 7 months ago
 2 replies
 No Medals Yet
Mathematics

richyw:
Group Title
having trouble with a series expansion.
\[f(z)=\frac{z+1}{z1}\]I need series expansion in both z<1 and 1<z<∞
 updated 7 months ago
 7 replies
 1 Medal
Mathematics

erielle:
Group Title
RealLife Situation  Percents, Decimals, and Ratios
Will Give Medal
 updated 7 months ago
 2 replies
 1 Medal
Mathematics

dragonknight326:
Group Title
Mr. Rasmussen laid 9 bricks in a row to make a walking path through his garden. If each brick has a length of 8 inches, a width of 3 point f…
 updated 7 months ago
 34 replies
 1 Medal
Mathematics

72595210002:
Group Title
Use the line plot to answer the question.
How many people read fewer than three books during the summer?
…
 updated 7 months ago
 10 replies
 1 Medal
Mathematics

72595210002:
Group Title
Use the bar graph to solve.
What fraction of the visitors are from Ohio or Michigan?
…
 updated 7 months ago
 30 replies
 6 Medals
Mathematics

Concupiscent:
Group Title
The table shows the annual consumption of cheese per person in the United States for selected years in the 20th century. Let x = number of y…
 updated 7 months ago
 43 replies
 1 Medal
Mathematics

richyw:
Group Title
Classifying singular points.\[f(z)=\frac{1}{z(z1)}\]
 updated 7 months ago
 3 replies
 No Medals Yet
Mathematics

freakenpurplepizza:
Group Title
A triangle has a base of 13 meters and a height of 6 meters.
What is the area of the triangle?
…
 updated 7 months ago
 12 replies
 4 Medals
Mathematics

richyw:
Group Title
\[u''=w^2 u\] on 0<y<H with \[u(0,w)=F_1(w)\]\[u(H,w)=F_2(w)\]
 updated 7 months ago
 7 replies
 2 Medals
Mathematics

richyw:
Group Title
Can someone explain to me how to use the Integrating Factor?
I have\[u_t=ku_{xx}+Q(x,t)\]on \(\infty<x<\infty\) with the initial condition…
 updated 7 months ago
 20 replies
 2 Medals
Mathematics
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