Wednesday
November 26, 2014

Posts by Hello


Total # Posts: 134

physics
What is the moment of inertia of a triangular plate ABC of mass M and side BC=a about an axis passing through A and perpendicular to the plane of the plate.
September 24, 2014

Social Studies
Yep A is it
September 11, 2014

question
Do the teachers on here get paid to answer questions? Are they teachers in real life? How old are they?
August 5, 2014

Algebra with pizzazz
It says "why did the cow keep jumping over the barrel" it says pg 10
July 17, 2014

S.S
Thanks I got 100% on my test.
March 3, 2014

Social studies
and is 8 C
December 12, 2013

Social studies
so nine is D
December 12, 2013

Social studies
Are these correct cause if not I need help
December 12, 2013

Social studies
8.  Which of these best shows a conflict between U.S. political ideals and political reality? A. Americans believe in religious freedom, but most people in the United States are Christians. B. Americans believe in equality, but women usually make less money than men do. C...
December 12, 2013

chemistry
whats the answer
November 12, 2013

World History Honors
The first humans I suppose.... prehistory-3000 B.C.
August 28, 2013

World History Honors
Discuss early trade among different groups of people
August 28, 2013

Trignometry
Ok i ll do research on it. Thank you very much for your help.
July 1, 2013

Trignometry
Solve the equation. Express your answer in trigonometric form. x^5-11=0 I know the answer is: 11^1/5(cos α + i sin α) for α = 0°, 72°, 144°, 216°, 288°. But I don't know where to even start working on this problem.
July 1, 2013

chemistry
a solution is made by dissolving 117 g of nacl in 585 g of h2o. what is its molarity
June 12, 2013

Math Trig Find Quadrant I II III IV
In which quadrant is the terminal side of angle A? A = -5π/6 a. Quadrant III b. Quadrant I c. Quadrant II d. Quadrant IV
June 8, 2013

english.
thank you....
April 28, 2013

math
Power companies typically bill customers based on the number of kilowatt-hours used during a single billing period. A kilowatt is a measure of how much power (energy) a customer is using, while a kilowatt-hour is one kilowatt of power being used for one hour. For constant ...
March 9, 2013

math
use the substitution to solve the system -5x+24=27 y=2x+11 x= y=
March 7, 2013

bio
Why do you suppose the subclavian vein and subclavian artery are positioned where they are related to one another?
February 25, 2013

science
how many seconds will it take a speedboat traveling at 70 km/h to cover a distance of 5km?
February 19, 2013

Lang Arts
nevermind got it
January 15, 2013

Lang Arts
whats #2
January 15, 2013

calculus
A forest is burning in a valley. If the fire burns for h hours, the cost of the lost timber is 1000h dollars. They estimate that x firefighters can stop the fire in 3600/x hours. The cost for each firefighter is $20 (transportation)plus $25 per hour (salary/ food). A. Let C be...
January 4, 2013

Chemistry
tuhin your answer is wrong
December 14, 2012

Chemistry
II for A is wrong!!
December 14, 2012

Physical Science
MIND YA BUSINESS .
November 3, 2012

Chemistry
23.804
September 27, 2012

Physics
Evaluate [r]; i.e., the units of r, in the expression r =v (s - a) (s - b) (s - c)/s where s =.5 (a + b + c) , and a, b, and c have units of meters. 1. [r] =1/m^1/3 2. [r] = m^1/2 3. [r] = m 4. [r] = m^2 5. [r] = m^1/3 6. [r] =1/m^2 7. [r] = m^3 8. [r] =1/m^1/2 9. [r] =1/m
September 21, 2012

Math
2= squared x2+y2+z2+36 then square rooted and then the number must be rational. I need x y and z. I already used 10 8 and 5
September 5, 2012

physics
A satellite completes one revolution of a planet in almost exactly one hour. At the end of one hour, the satellite has traveled 2.0 × 107 meters and is only 10 meters away from its starting point. What is the numerical value of the satellite's average velocity after ...
May 19, 2012

chem
while measuring the effect of a catalyst on the reaction rate of two reactants , why would a chemist control the temperature,pressure and concentration of two reactants?
March 27, 2012

chem
given PCl5(g)+heat <-> PCl3(g)+Cl2(g) a. addition of cl2 answer : would shift to the left b. increase in pressure: answer: ? c. removal of heat answer: ? d. Removal of PCl3 as it forms answer: ? please help! thanks!
March 27, 2012

Converting Cartesian Equations to Polar Equations
hi
March 20, 2012

physics
c,a, b is wrong
March 3, 2012

7th grade math
what are the rules for these two problem? I can not figure it out. I spent 30 minutes trying to figure it out 1, 10 2, 9 3, 8 4, 7 lI know the left is increasing by one and the right is decreasing by one but I can't find an equation for this. and the second one is 0, -5 1...
January 2, 2012

Alegbra 1
This is not a calculas question, this is an ALGEBRA 1 question it is for my review. That answer you gave me is not right.
December 30, 2011

HELPPPP!!!
HELLOOOO! I needddd URGENT HELP!!!!!!!!!!!
December 30, 2011

Alegbra 1
What is the y-intersept of a line with the equation 10y= 5x + 20?
December 30, 2011

math
wats your question?
December 30, 2011

ALGEBRA
If you need extra help, I would suggest going to Dogpile search engine and typing in your equation. A ton of good math sites popped up. :-)
December 30, 2011

physical science
how far will a car moving at 20 m/s travel in one minute?
December 15, 2011

physical science
how far will a car moving at 20 m/s travel in one minute?
December 15, 2011

project management
thank you
December 9, 2011

project management
and this please The classic triple constraint standard for project performance is composed of time, cost, and client acceptance. its also false
December 9, 2011

project management
A project exists outside of the standard line organization. its false what is wrong with it sorry i dont have a book,its expensive,we are poor and i cant find any on the net thankyou
December 9, 2011

ALGEBRA
a single card is drawn, what is the probability that it is a jack or a club?
November 27, 2011

Algebra 1
I agree with #1
November 22, 2011

MATH
I NEED HELP ON QUESTION 11 ON PG 47 IN THE GRADE SIX MZTH TEXT BOOK PLEASE HELP!!!!!!
October 18, 2011

physics
A 2.5 wood block is pulled along a wood floor at a steady speed. A second wood block, with mass 3.5 , is attached to the first by a horizontal string. what is the magnitude of the force pulling on the first block
October 18, 2011

physics
A passenger with mass of 80 kg stands on the floor of an elevator of mass 250 kg as it accelerates upward with an acceleration of 3 m/s^2. Determine the tension in the elevator cable. Draw a free-body diagram.
September 30, 2011

physics
25
August 18, 2011

statistics
Thirty percent of the students in a high school face a disciplinary action of some kind before they graduate. Of those students, 40% go on to college. Of the 70% who do not face a disciplinary action, 60% go on to college. What percent of the students from the high school go ...
July 21, 2011

English
no
July 12, 2011

government
posting only the problems doesnt help anymore with us gettin smarter. This website will get shut down eventually because of the way it changed.
June 28, 2011

algebra
12324.3
April 26, 2011

science
10 A
April 18, 2011

Calculus
what is the derivative of: y=2sinxcosx
March 11, 2011

calculus
thank you, now do you think you can help me find where the maxiumum and minimum values are for this function and where they occur? for the actual function not the derivative
March 11, 2011

math
let f be a function such that y'[x^2+1*f(x)]=2xf(x) +3x^4 +3x^2. What's f(x)?
March 2, 2011

Spanish-Please check my answers
good job
March 1, 2011

Spanish-Please check my answers
in spanish
March 1, 2011

Spanish-Please check my answers
good
March 1, 2011

biology grade 12
My teacher wants me to calculate the rate of enzyme activity (1/s) I'm given the temperatures: 0 , 15, 30, ,50, and 80 (degrees celsius) AND the times 8.74, 18.83, 14.30, 34.22, and infinity (seconds obviously, these are the times it took the enzyme to react) What am i ...
February 27, 2011

PHYSICS
PLAN A 4 HR FLIGHT (TELL ME SPEED AND DIRECTION SETTINGS FOR THE PLANE) TO FLY FROM CHICOGO TO ATLANTA(1500 KM @ 30 DEGREES E OF S) ON A DAY WHEN THE WIND IS BLOWING 100 KM/HR DUE EAST
February 7, 2011

PHYSICS
perseus the penguin can fly at a maxium speed of 150 km/hr when there is no wind. Perseus decides to make a trip from hershey to new york to see a broadway play. it is 250 km @ 30 degrees Nof E. if the wind is blowing at 50 km.hr due east, what direction should perseus aim, ...
February 7, 2011

PHYSICS
add these two forces a. 200 newtons @ 20 degrees N of E B. 200 Newtons @ 30 S of E
February 7, 2011

algebra
y=5 x=9
February 6, 2011

AP Physics PLEASE respond immediately pleasethanku
THANK YOU!! What is a combination of h (plancks constant), c(speed of light) and G (6.67x10^-11 Nm^2 / kg^2) that has units of length?
January 3, 2011

3rd grade math
I don't get it
November 18, 2010

physics
i put -9.8m/s^2 it worked:)
November 6, 2010

Physics
5m/s^2
October 6, 2010

math gr.6
I HAVE NO CLUE!
September 22, 2010

geometry
Two similar rectangular prisms have a scale factor of 4:9. The volume of the smaller prism is 60 cm3. Find the volume of the larger prism.
July 16, 2010

Drama
"The best in this kind are but shadows" is
June 1, 2010

literature
In "A Pair of Silk Stockings," the silk stockings are a symbol of
May 31, 2010

Physics again sorry
the magnetic field of a solenoid can be found by placing a square amperian loop around one side of the solenoid. B = N/L*permeability const* current.
April 26, 2010

maths
I found it really hard to answer but I found it to be 504
April 20, 2010

ETH125
thought this site was to help people not put them down. I will be reporting this if I can... The same classes are taught in other schools every day as well. This just happens to be what they consider a required class, just as english,math and so on are for campuses.
March 31, 2010

physics
hi guys do u have a rap cd?
March 29, 2010

physics
what the **** is halbadier's rule? lol
March 29, 2010

chemistry
Many cigarette lighters contain liquid butane, C4H10(l). Using standard enthalpies of formation, calculate the quantity of heat produced when 2.7 g of butane is completely combusted in air under standard conditions.
March 25, 2010

science
if you had a book on a table and gravity suddenly storp whay would happen to the book?
March 21, 2010

7th Grade Math
if its the diamater you just cut that in half to make the radius then you do that times pie which is 3.14 or 22/7. you welcome(:
March 13, 2010

math
Solve for x. 7x + 9 = 6x - 5 A)x = -14 B)x = -4 C)x = 4 D)x = 14
March 5, 2010

chemistry
What would be the pH of a solution of hy- poiodous acid (HOI) prepared by dissolving 144 grams of the acid in 200 mL of pure water (H2O)? The Ka of hypoiodous acid is 2¡¿10−11 1. 7 2. 10 3. 13 4. 5 5. 1
February 25, 2010

Chemistry
Determine the [H3O+] in a 0.3 M solution of HClO4. Answer in units of M.
February 25, 2010

Honors Chemistry
Every Bronsted-Lowry acid is also a Lewis acid. Why is this statement false? Thanks
February 23, 2010

Science
1)Newton's laws of motion are concerned with relationships among a) force, mass and motion b) Displacement, mass and acceleration c) Velocity, fore and acceleration d) mass, acceleration and velocity I feel that thay deal with force, mass and motion which is A, am I ...
January 27, 2010

Bio
I had the same question. You eliminate all the answers with alcohol because that is a product of anaerobic respiration, so it definitely wont be made by the plant cell. Therefore you eliminate choices 2,3,5. It would be choice 4 because, it states only aerobic respiration is ...
November 19, 2009

hhs265
The following two financial statements—a statement of activities (profit and loss summary) and a statement of financial position (balance sheet)—are for the Council on Social Work Education for fiscal year 1998. (See Tables 5.3 and 5.4.) Review these two financial ...
November 8, 2009

maths
a craftsperson has 2 alloys of silver. the 1st one is 70%pure silver amd the second one is 50%. how many kilograms of each must be mixed to have 12kg of an alloy which is 65% silver?
October 21, 2009

I NEED HELP!!:(!!!! HELP ME PLZ!!
try mitochondria for second
October 20, 2009

physics
what does the shape of a distance vs. time graph indicate?
October 6, 2009

bio
why is it difficult to describe a typical animal cell?
September 30, 2009

bio
why are plant cells generally box like and rigid?
September 30, 2009

very easy algebra one
it may not make a difference but I'm doing a physics problem were it does... (180 s)(a t3) were s is seconds and 3 is just a subscript... does that equal (180 s)a + (180 s)t3 or this 180 s * a * t3 which one is correct?
August 21, 2009

very easy algebra one
ok Does this... (AX + B)(C - D) when you multiply the first numbers... AX and C mean the same thing as (AX)C -D(AX) +BC -BD or this AXC - DAX + BC - BD which one is it???
August 21, 2009

very easy algebra one
i have a question
August 21, 2009

algebra
can you check my answers? i have to write the slope intercept form of the equation key (a= means answer is) 1. 3x-2y=12 a= 3/2x-6=y 2. x+y=7 a= y=-x+7 3. -13+6y=x a= y=x/6+13/6 4. -2y=24+6x a= y=-3x-12 5. 49x-y=558 a= y=49x-558 6. 3x+14y=-56 a= y=-3/14x-4 7. -1/6y-1/6=x a= y=-...
August 11, 2009

Pages: 1 | 2 | Next>>

Search
Members