eliassaab
Name:
Elias Saab
School:
University of Missouri Columbia
About:
I am a retired University Math Professor and I joined to help the students with their questions.
You can see many interactive online tests that I wrote on http://saab.org and on http://mathonline.missouri.edu
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Questions Answered
Alexander95:
Group Title
Series
…
updated 9 hours ago
34 replies
6 Medals
Mathematics
cookiimonster27:
Group Title
Which represents 4x^2 - 9 in factored form?
A. (3x+2)(3x-2)
B. (2x-3)(2x-3)
…
updated yesterday
10 replies
3 Medals
Mathematics
notjustatriangle:
Group Title
Circle A has center of (0, 4) and a radius of 6, and circle B has a center of (-3, 5) and a radius of 24. What steps will help show that cir…
updated 2 days ago
22 replies
2 Medals
Mathematics
ivancsc1996:
Group Title
Hi, need help trying to figure these system of equations.
updated 2 days ago
38 replies
3 Medals
Mathematics
mrsteezyyy:
Group Title
Using a directrix of y = -3 and a focus of (2, 1), what quadratic function is created?
…
updated 3 days ago
9 replies
No Medals Yet
Mathematics
hhelpplzzzz:
Group Title
Find the lateral area of the solid figure.
https://clackamasweb.owschools.com/media/g_geo_ccss_2014/8/groupi94.gif
…
updated 3 days ago
10 replies
1 Medal
Mathematics
Ruusa:
Group Title
Fine the open intervals on which the graph of f(x) = -x^5+20x^4-130x^3+280x^2-245x+724 is concave upward and those on which it is concave do…
updated 4 days ago
5 replies
1 Medal
Mathematics
credmond:
Group Title
find general solution for dy/dx=(3(x^2)(y)-2xy
updated 4 days ago
6 replies
No Medals Yet
Mathematics
eliassaab:
Group Title
An irregular equiangle hexagon BKMLFA having sides BK=3;KM=4,ML=5;LF=3;FA=4;AB=5.
See picture as a comment below.
Find the area of this hexa…
updated 6 days ago
33 replies
2 Medals
Mathematics
Loser66:
Group Title
Prove that x^2+4 is an irreducible polynomial in R[x]
Please help
updated 8 days ago
35 replies
No Medals Yet
Mathematics
sammi0818:
Group Title
Points A(-2,4),B(1,3),C(4,1) form a parallelogram what are the coordinates of D
updated 9 days ago
4 replies
No Medals Yet
Mathematics
Princer_Jones:
Group Title
Prove that any infinite subset of the discrete metric space is bounded.
updated 9 days ago
8 replies
2 Medals
Mathematics
troyandthor:
Group Title
The total length of two ships is 2227 feet. The difference in their lengths is 5 feet....
updated 11 days ago
8 replies
2 Medals
Mathematics
troyandthor:
Group Title
Solve the following system of equations
updated 11 days ago
4 replies
No Medals Yet
Mathematics
Chelleyhi:
Group Title
f(x) varies inversely with x and f(x) = –10 when x = 20. What is the inverse variation equation?
updated 11 days ago
3 replies
1 Medal
Mathematics
Kaylaboo177:
Group Title
graphing absolute value equations y=|x-2|+3
updated 11 days ago
1 reply
No Medals Yet
Mathematics
troyandthor:
Group Title
Solve the following system of equations
updated 11 days ago
17 replies
1 Medal
Mathematics
Ldaniel:
Group Title
F = (11y^2 + ln(3x^2 + 1)) i − (11x^2 + sin(8y^2)) j
…
updated 11 days ago
7 replies
1 Medal
Mathematics
CheyenneC:
Group Title
WILL GIVE MEDALS. Two consecutive even whole numbers have a product of 360. What is the smaller of the two numbers?
updated 12 days ago
13 replies
3 Medals
Mathematics
ganeshie8:
Group Title
prove \[\lim_{t\to0}\dfrac{f(x)^t-1}{t}=\ln(f(x))\]
updated 12 days ago
26 replies
6 Medals
Mathematics
Beleaguer:
Group Title
Please help. Im stuck on this bad.
Refer to the campground problem from Task 1 on p. 340 of Geometry. Recall that the campsites have the…
updated 11 days ago
32 replies
2 Medals
Mathematics
Idealist10:
Group Title
Use the improved Euler method to find approximate values of the solution of the initial-value problem y'=2x^2+3y^2-2, y(2)=1; h=0.05 at the …
updated 3 days ago
6 replies
No Medals Yet
Mathematics
Loser66:
Group Title
\(Let~~f:\mathbb R\rightarrow \mathbb R\) be a function. The graph of f, \(\large \Gamma =\{(x,y) \in \mathbb R^2: y=f(x)\}\). Suppose \(f\)…
updated 12 days ago
10 replies
1 Medal
Mathematics
Isbella:
Group Title
test help!1)Set up a double integral for calculating the flux of F⃗ =3xi⃗ +yj⃗ +zk⃗ through the part of the surface z=−5x−2y+4 above the tr…
updated 12 days ago
7 replies
No Medals Yet
Mathematics
chatabx91:
Group Title
This is from my Calculus 3 class if some could help me out i would appreciate it. Evaluate the triple Integral (IntIntInt) [ E ] z dV, where…
updated 13 days ago
205 replies
5 Medals
Mathematics
eighthourlunch:
Group Title
I have a sphere, x^2+y^2+z^2=25. I want to know the surface area above the cone described by z=sqrt(x^2+y^2). I have an idea of where to sta…
updated 13 days ago
137 replies
1 Medal
Mathematics
haskinsrora:
Group Title
Precalc question: I need help graphing the following equations.
1. x = 3 sin^3t
y = 3 cos^3t…
updated 14 days ago
7 replies
1 Medal
Mathematics
eighthourlunch:
Group Title
Trying to find the surface area of a helicoid from parametrization. Work attached in screenshot.
updated 14 days ago
14 replies
4 Medals
Mathematics
ProLearner:
Group Title
Please Help! Can anyone help me solve this? (x^3 + y^3) / (x - y)
updated 14 days ago
9 replies
No Medals Yet
Mathematics
No.name:
Group Title
Find the coefficient x^7 in
\[\huge (ax^{2}+\frac{ 1 }{ bx })^{11}\]
and of x^ -7 in
…
updated 14 days ago
40 replies
4 Medals
Mathematics
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