Friday

November 28, 2014

November 28, 2014

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*

**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*

**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*