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

richyw:
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 13 days ago
 14 replies
 7 Medals
Mathematics

I.onlyaskformath.help:
The question is in the answer box PLEASE HELP if u help i give u medal and follow
 updated 15 days ago
 13 replies
 3 Medals
Mathematics

samantha2859:
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 15 days ago
 3 replies
 No Medals Yet
Mathematics

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

hkl1118:
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 16 days ago
 3 replies
 No Medals Yet
Mathematics

shyglizzy:
Which of the following is the best thing to do as a first step in using substitution to solve the system of equations?
…
 updated 16 days ago
 3 replies
 No Medals Yet
Mathematics

adventuretimefreak7:
What is 2.8 in its simplest form?
 updated 16 days ago
 2 replies
 1 Medal
Mathematics

Dragonslayer55:
what is 2+2 ?
A.4
B.3
…
 updated 16 days ago
 28 replies
 3 Medals
Mathematics

aklarken:
how did the theme develope in treasure island?
 updated 16 days ago
 1 reply
 No Medals Yet
Mathematics

Musicman778:
A local hamburger shop sold a combined total of 604 hamburgers and cheeseburgers on Tuesday. There were more cheeseburgers sold than hambu…
 updated 16 days ago
 7 replies
 No Medals Yet
Mathematics

shelbydy:
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 16 days ago
 11 replies
 1 Medal
Mathematics

girl8r7y:
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 14 days ago
 5 replies
 No Medals Yet
Mathematics

xo_kansasprincess_xo:
True or false: According to the square root property, the solution set of x^2 = 25 is {±5}.
…
 updated 17 days ago
 1 reply
 No Medals Yet
Mathematics

xo_kansasprincess_xo:
True or false: According to the square root property, the solution set of x^2 = 27 is {±3}.
…
 updated 17 days ago
 1 reply
 No Medals Yet
Mathematics

tuna.eng:
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 17 days ago
 1 reply
 No Medals Yet
Mathematics

RainbowsxD:
Explain how to write a function rule from the table below. Then write a function rule.
x 2 4 6
…
 updated 17 days ago
 12 replies
 No Medals Yet
Mathematics

richyw:
is f(0) undefined?
\[f(z)=\frac{z^3}{z+z^5}\]
 updated 18 days ago
 4 replies
 1 Medal
Mathematics

richyw:
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 18 days ago
 3 replies
 No Medals Yet
Mathematics

kenilssen:
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 18 days ago
 2 replies
 No Medals Yet
Mathematics

larquitta1995:
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 18 days ago
 2 replies
 No Medals Yet
Mathematics

richyw:
having trouble with a series expansion.
\[f(z)=\frac{z+1}{z1}\]I need series expansion in both z<1 and 1<z<∞
 updated 18 days ago
 7 replies
 1 Medal
Mathematics

erielle:
RealLife Situation  Percents, Decimals, and Ratios
Will Give Medal
 updated 18 days ago
 2 replies
 1 Medal
Mathematics

dragonknight326:
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 18 days ago
 34 replies
 1 Medal
Mathematics

72595210002:
Use the line plot to answer the question.
How many people read fewer than three books during the summer?
…
 updated 18 days ago
 10 replies
 1 Medal
Mathematics

72595210002:
Use the bar graph to solve.
What fraction of the visitors are from Ohio or Michigan?
…
 updated 18 days ago
 30 replies
 6 Medals
Mathematics

Concupiscent:
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 18 days ago
 43 replies
 1 Medal
Mathematics

richyw:
Classifying singular points.\[f(z)=\frac{1}{z(z1)}\]
 updated 18 days ago
 3 replies
 No Medals Yet
Mathematics

freakenpurplepizza:
A triangle has a base of 13 meters and a height of 6 meters.
What is the area of the triangle?
…
 updated 18 days ago
 12 replies
 4 Medals
Mathematics

richyw:
\[u''=w^2 u\] on 0<y<H with \[u(0,w)=F_1(w)\]\[u(H,w)=F_2(w)\]
 updated 18 days ago
 7 replies
 2 Medals
Mathematics

richyw:
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 19 days ago
 20 replies
 2 Medals
Mathematics
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