Friday

July 29, 2016
Total # Posts: 24

**Math**

If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of
*January 15, 2016*

**Math**

A package of 4 mechanical pencils comes with 2 free erasers.If you get a total of 12 free erasers, how many packages of pencils did you buy?
*September 26, 2015*

**physics**

An object uniformly accelerates at a rate of 1.20m/s^2 east. While accelerating at this rate, the object is displaced 470.4m east in a time of 28 s. What velocity did this object reach in this time ? I used Vf=Vi+at which will be Vf=(1.20)(28) but i feel this isn't the way...
*March 3, 2015*

**Math**

9. If f is a linear function such that f(-1) = 5 and f(2) = -1, then f(x + 1) = A. -2x + 1 B. -2x + 3 C. x + 1 D. -2x + 2 E. 2x + 1
*July 31, 2014*

**Math**

each time you move to the next row you should add 3 to the row before it. 8+11+14+17+20+23+26+29+32+35=215 seats
*January 15, 2013*

**Math**

An artist had 45 pieces of turquoise and 60 cat's eye marbles.each sculpture she made contained the same number of each kind of stone and more than one of each. What is the greatest number of sculptures she could have made ?
*January 5, 2013*

**Science**

Please,can anybody answer this question? How osmosis and diffusion explain why cell size is small ?
*October 12, 2012*

**math 5th**

the answer is the number 0
*September 19, 2012*

**4th Grade Math**

you should have 8 in the 10,000 place . your hundred digit is greater than your ten thousands , that means your number in the hundred place must be 9.in the ones place you should have 4 since there are 4right angles in a rectangle.your tens must be 5 since 13-8=5.the digit in ...
*September 19, 2012*

**Calculus AP need help!**

Use Part 1 of the Fundamental Theorem of Calculus to find the derivative of the function. If f(x)= ∫(4,x^3)√(t^2+10) dt then f '(x).
*April 17, 2012*

**COLLEGE CALCULUS. HELP!**

i dont get the part sec^2<---why use square?
*February 28, 2012*

**COLLEGE CALCULUS. HELP!**

1. If f(x)=tan3x, find f'(x) and f'(3). 2. let f(x)=3cos(cosx), find f'(x). i got stuck. i dont know im doing it right way, f'(x)=tan3x*1
*February 28, 2012*

**college Calculus Help!**

Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3 ---> i hate trig. 3. y=4sec5x 4. y=xsin√x
*February 25, 2012*

**college Calculus Help!**

Find the derivative of the function. 1. F(x)= (1+2x+x^3)^1/4 2. f(t)= (1+tant)^1/3 ---> i hate trig. 3. y=4sec5x 4. y=xsin√x
*February 25, 2012*

**ELA**

can you help me with my homework]
*January 19, 2012*

**english**

Sukie and Lee get up early.Tey are going to grandma today. They will ride in the car with mother and father to get to grandma's house. please can anybody define the major charaters in this paragraph? I think Sukie and lee
*October 7, 2011*

**Business Psychology**

I have the information down, but having trouble writing it, for instance when trying to put all that goes down in multiple intelligence. There is a lot of info.
*February 23, 2011*

**Math**

I posted these 2 questions a couple of days ago and although the help I received would have been more appreciated if it didn't come with an underhanded comment, I did see where I made my mistake with the first question, however I would like to know with the second question...
*November 20, 2010*

**Math**

Well aren't you special to tell me that. You seem to have no idea how to treat people. Hmmm, which deficite would I rather have. Thanks for the disrespectful help. I don't think you should tutor anyone.
*November 18, 2010*

**Math**

Hello, I have two more rational exponent question that I wanted to verify please: 4x^3y^-2 _________ 2x^-1y^4 = 2x^4y^6 is this correct? 2nd question: [w^1 / w^-3] my answer: = [w^(1)(-4)/ w ^ (-3)(-4)] = w^-4 / w^12 = w^12 / w^4 = w^3 / w Is this right?
*November 18, 2010*

**math**

I need to simplify the following rational exponent: (64n^9)^2/3 I've done the following but don't think this is right: = 3|64n^18 = 4n^2.62 I don't know how to type in the root symbol so I used | to mean root. Can someone please verify this and if incorrect please ...
*November 18, 2010*

**math**

If I could hug you I would. You have no idea how helpful this was, I can now proceed with the rest of the equations. Thank you kindly :)
*October 31, 2010*

**math**

please - How do we manually calculate the Present Value of annuity step by step using this formula: PV=R[1-(1+i)-n / i for example: PV = 2700[1-(1+.065)-4 ___________________ = 9249.66 0.065 How did they get this answer (9249.66)? I'm so lost. just to clarify too, -4 is an...
*October 31, 2010*

**Math PIZZAZZ**

Does anyone know the answers to the ws with the riddle what did they call the duck who became a test pilot.? please...i really need to get my grade up and pass this class. PLEASE!!!!
*October 25, 2010*

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