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Questions Answered

Powerful22:
a liter of cold water will warm to room temperature faster in a small black pot or in a large black pot?
 updated yesterday
 37 replies
 1 Medal
Mathematics

sammy34daisy:
I will fan and give medals!!! Please help!!!!
What is the discriminant for the quadratic expression?
…
 updated yesterday
 23 replies
 3 Medals
Mathematics

fathomboy:
If the sin 90° = 1, then the cos 0° = _____.
 updated yesterday
 14 replies
 2 Medals
Mathematics

ifrimpanainte:
Calculate the following integral:
 updated yesterday
 20 replies
 No Medals Yet
Mathematics

nada.abdalla:
prove that
tanA+cosA=secAcscA
 updated yesterday
 4 replies
 No Medals Yet
Mathematics

haylee12:
Simplify: 43, so the exponent is positive.
A. 1/23
B. 1/32
…
 updated one month ago
 22 replies
 2 Medals
Mathematics

I_love_my_nieces:
You borrow $1,200 at a rate of 4.5% for a period of 6 months. How much will you repay at the end of the 6 months?
1. $27
…
 updated one month ago
 11 replies
 1 Medal
Mathematics

KNorne7592:
how do you do this? http://puu.sh/7wWHq.png
 updated one month ago
 138 replies
 2 Medals
Mathematics

hba:
When is mean preferred and when is median preferred.
I do know that median is preferred with data is highly skewed that is when their is …
 updated one month ago
 21 replies
 4 Medals
Mathematics

aykayyy:
Determine if the described set is a subspace. If so give a proof. If not explain why not. a and b are real numbers.
 updated one month ago
 17 replies
 1 Medal
Mathematics

sezi94:
Can someone explain me the difference between vector spaces and subspaces?
 updated one month ago
 2 replies
 No Medals Yet
Mathematics

sinkmice:
PLEASE HELP! will give Medal.
 updated one month ago
 5 replies
 No Medals Yet
Mathematics

RNARG01:
Evaluate the integral using the properties of even and odd functions as an aid.
 updated one month ago
 28 replies
 1 Medal
Mathematics

nincompoop:
∫e^x^2 dx
 updated one month ago
 34 replies
 2 Medals
Mathematics

Knowledge:
integrate sqrt(cos x) with respect to x
…
 updated 2 months ago
 11 replies
 No Medals Yet
Mathematics

SeriousPerson:
Seriously need help.
Integration by part..sorry i don't know how to use Latex ,,,so i am writing like this..
let,I =∫x sin^1x dx/√1x^2
…
 updated 2 months ago
 39 replies
 3 Medals
Mathematics

margotlakus:
x^4x^212
 updated 2 months ago
 18 replies
 1 Medal
Mathematics

FutureMathProfessor:
Find the equilibria of the system dx/dt = 10x(1x/10)20xy and dy/dt = 5y+xy/20 @amistre64 @jim_thompson5910 @Mertsj @ganeshie8 @Callisto @…
 updated 2 months ago
 16 replies
 3 Medals
Mathematics

nincompoop:
lim
 updated 2 months ago
 34 replies
 2 Medals
Mathematics

sourwing:
Write a definition for the set {1,4,9,16,25,...}
I have two choices: {n^2  n∈N} and {n  √(n)∈N+}.
…
 updated 2 months ago
 6 replies
 2 Medals
Mathematics

nincompoop:
domain and differentiation
 updated 2 months ago
 19 replies
 No Medals Yet
Mathematics

prostudent:
hey guys and gals. im in grade 11 socials studies and im just wondering what are the years and dates that I need to know for the provincials…
 updated 2 months ago
 8 replies
 1 Medal
Mathematics

Firejay5:
I need help on #5 about the cartoon about McCarthy's downfall. Please explain if necessary. Medal will be rewarded for patronage! :DDDD
 updated 2 months ago
 4 replies
 1 Medal
Mathematics

Chibi_Robo3:
i'm trying to memorize the arrangement of unit conversion starting from
"Yotta" to "Yocto"
…
 updated 2 months ago
 12 replies
 4 Medals
Mathematics

Jamierox4ev3r:
What are your perceptions of social class in American 21st century society (basically, in 2014)? Honest opinions please, and if you can, pl…
 updated one month ago
 12 replies
 6 Medals
Mathematics

melmill:
A forest is in the shape of a rectangle 5 miles long and 3 miles wide. The density of trees at a distance of x miles from the 5mile side is…
 updated 2 months ago
 60 replies
 No Medals Yet
Mathematics

mary.rojas:
Help please ;D
…
 updated 2 months ago
 19 replies
 3 Medals
Mathematics

AgentNao:
Calc 2 Help: Derivative of Inverse Trig Functions
y = xarcsin(x/4) + sqrt(16x^2)
 updated 2 months ago
 96 replies
 4 Medals
Mathematics

Disco619:
If you Solve this, I swear I would give you a Nobel Prize!
 updated 2 months ago
 70 replies
 15 Medals
Mathematics

inkyvoyd:
Brother Hamburger, Hai.
I'm curious?
@Agent47
 updated 2 months ago
 4 replies
 1 Medal
Mathematics
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