Sunday

November 23, 2014

November 23, 2014

Total # Posts: 1,354

**physics**

thunder is heard 4.5 seconds after the flash of lightning is seen. How far away was the lightning flash and how long did it take for the light to reach him?
*April 10, 2009*

**physics**

so would it be (Iw^2)/(mv^2)?
*April 6, 2009*

**physics**

A projectile of mass m moves to the right with a speed vi. The projectile strikes and sticks to the end of a stationary rod of mass M, of length d, that is pivoted about a frictionless axle through its center. (a) Find the angular speed of the system right after the collision...
*April 6, 2009*

**math**

find the interval of convergence of the sum of ((x^1/2)/2 - 1)^k from k = 0 to infinity and within this interval find the sum of the series as a function of x. I know the interval is 0 < x < 16 but how do I get the sum?
*April 5, 2009*

**math**

thanks! i just found it in my notes too
*April 5, 2009*

**math**

what is the derivative of 2^x? I know that it's something with ln but I can't find it in my notes
*April 5, 2009*

**Chemistry**

Calculate the solubility of silver chloride in a solution that is 0.140 M in NH3.
*April 5, 2009*

**English**

where can I find a website for idioms tat are hard to find. An example is acts like a hotdog or full of soup.
*April 2, 2009*

**maths**

3 4 7 8 9 find the product of the smallest number
*March 15, 2009*

**Business Law**

one o the larger problems in doing business over the web is assuring electronic signatures. What are a few ways e-signatures might be more reliably authenticated?
*March 13, 2009*

**Business Law**

If all requirments of a negotiable instrument have been met except delivery. can/should payment depend solely on delivery? If so/not why?
*March 10, 2009*

**calculus**

evaluate the indefinite interval: x sec^(2)(9x) dx i know u=x du=dx dv=sec^(2)(9x) and v = 1/9tan9x....but i dont know where to go from there much help is appreciated
*February 27, 2009*

**8th Grade Algebra- Answer Check**

a times a + b times b =11 and a times b =3 what does a and b equals
*February 25, 2009*

**Math**

Can someone help me with this: Descibe how to construct a histogram for a set of data and Describe how to construct a box plot for a set of data
*February 23, 2009*

**Math**

bm,jnnnnnnnnnnnn
*February 19, 2009*

**Math (PLEASE HELP!!)**

Hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*February 18, 2009*

**Math (PLEASE HELP!!)**

Mjdkkkkkkkkkksfjvv
*February 18, 2009*

**business law**

true or false A grantor of a life estate in real property maintains a reversion estate.
*February 17, 2009*

**business law**

the person who holds a life estate in real property can sell absolute ownership or pass it on to his heirs. true or false
*February 17, 2009*

**biology**

A slice of pizza has 500 kcal. If we could burn the pizza and use all the heat to warm a 50–L container of cold water, what would be the approximate increase in the temperature of the water?
*January 30, 2009*

**Math**

Solve: x^2 + 30 + 5x + 24 = 90
*January 29, 2009*

**Biology**

All known proteins in cells adopt a single stable conformation because (a) any chain of amino acids can fold up into only one stable conformation. (b) protein chains that can adopt several different conformations have been weeded out by natural selection. (c) chaperone ...
*January 27, 2009*

**Biology**

You wish to produce a human enzyme, protein A, by introducing its gene into bacteria.The genetically engineered bacteria make large amounts of protein A, but it is in the form of an insoluble aggregate with no enzymatic activity. Which of the following procedures might help ...
*January 27, 2009*

**math**

In y=mx+b, the y-intercept is given by the value of m. True or False
*January 26, 2009*

**adult education**

these are the ones I have correct 2-d,4-d, 5-d, 7-a, 8-b, 9-c, 11-c, 12-c, 14-d,18-a ant the rst were all wrong, please HELP me this class is confusing me
*January 25, 2009*

**adult education**

your answers were very inaccurate and wrong. I scored 50% only, I will look up corrections and actually HELP others not hinder there studies for furthure educatio. If you dont know then try to keep to yourself from now on. Thanks
*January 25, 2009*

**adult education**

cant figure out # 1-3-6 and7- please help
*January 25, 2009*

**chem9th**

okay i have 6 things 2 look 4 to c if a chem reaction 'goes' they r -ppt -color change -change in heat -gas released -light given off -water formes what is the 7th 1?
*January 21, 2009*

**Algebra**

I am supposed to divide (x^3+6x^2-20) by x^2+2, using long division. I know it's very difficult to type long division on the computer, but if you would be able to give me the answer, and I'd work backwords, that would be great, or a simple explanation.
*January 19, 2009*

**chemistry**

Draw a lewis structure for BrO4- in which all atoms have the lowest formal changes. Indicate the values of nonzero formal charges and include lonepair electrons.
*January 19, 2009*

**math**

what did they call the duck who became a test pilot
*January 14, 2009*

**Calculus**

Washer Method: y=x^3, y=1 ,x=2 aroud the Y axis
*December 16, 2008*

**physics**

3.4 N
*December 11, 2008*

**Economics**

i dont know any of these but the answers would help me to study for my final exam. does anyone know the answers?
*December 7, 2008*

**6th grade**

What is the Buddhist concept of the self/
*November 25, 2008*

**Calculus**

differentiate y = (x + 2) / (x^3 + x - 2)
*November 5, 2008*

**Math**

Neither. You know that lines are parallel if they have the same slope, and perp, if the slope is the negative inverse. The slope is the inverse, but it is still positive. So neither.
*October 28, 2008*

**math**

I said it in the reverse order. I'm sorry for the confusion. You SHOULD divide (3 1/2)/(4 3/8), not (4 3/8)/(3 1/2).
*October 28, 2008*

**math**

Your error is that you keep trying to divide (3 1/2)/(4 3/8). When you should do it the other way. (4 3/8)/(3 1/2) You should get 4/5.
*October 28, 2008*

**pre algebra**

First-Distribute: 8(n-1)= 8xn-8(1)= 8n-8. Now, subtract 10n so you have -2n-8
*October 28, 2008*

**Physics**

Stuck again. The paper just says that the position of an object is given by s(t)=t^3. When T=5sec find A. Position B. Velocity C. Acceleration I'm trying to use the "position equation" which is s=1/2 a t^2 = Vot However, what do I solve the equation for? It seems...
*October 28, 2008*

**Physics**

A rocket blasts off with acceleration of 5 m/s squared. After 1 min it runs out of fuel. What is the max height and total time in the air?
*October 28, 2008*

**english**

unscramble WRONTH to make a verb
*October 23, 2008*

**genes**

i do not like home work do not do it ok
*October 22, 2008*

**genes**

do not do iits be a rebal
*October 22, 2008*

**BIOLOGY**

WHEN A DNA MOLECULE IS COPIED TO MAKE ANOTHER DNA MOLECULE, WHICH STATEMENT BEST DESCRIBES THE RESULTING STRANDS? A. ONE DOUBLE STRANDED DNA MOLECULE IS THE ORIGINAL AND THE OTHER A NEW COPY B. BOTH RESULTING STRANDS ARE ENTIRELY MADE OF NEW DNA BASED ON THE INFORMATION IN AN ...
*October 20, 2008*

**Physics**

550*74+4.6*2.3
*October 17, 2008*

**7th grade history**

What are the cultural differences between the French and Iroquois?
*October 13, 2008*

**physics**

gOOD QUESTION i would think it would be, torque=massball*length*sin46.6 + massarm*length/2cos*46.6
*October 9, 2008*

**chemistry**

Please help with this problem =) The combustion of liquid chloroethylene, C2H3Cl, yields carbon dioxide, steam, and hydrogen chloride gas. I. write a balanced equation for the reaction (I sorta get this part) II. How many moles of oxygen are required to react with 35.00g of ...
*October 9, 2008*

**history medieval europe**

I have to make some replica artifact (medieval model) eg med map, peasants hut,med village or something along those lines, whats easy and how do I do it, PLEASE....
*October 7, 2008*

**science**

I dont how to do a diorama. Please help me.
*September 23, 2008*

**science**

CHOOSE ANY DISNEY MOVIE TO MAKE THIS DIORAMA. MAKE A 3D MODEL OF PLAINS, PLATEAU AND MOUNTAINS AND WRITE 5 PARAGRAPHS ABOUT THESE THREE LANDFORMS. PLEASE HELP ME. THANK YOU.
*September 23, 2008*

**writing**

Viewers saw two people smashed by a boat, one person choked,and another shot to death. What purpose does this violence serve?
*September 22, 2008*

**writing**

make 2 sentences Viewers saw two people smashed by a boat, one person choked, and another shot to death, what purpose does this violence serve.
*September 22, 2008*

**writing**

use a subordinate clause with one sentence. The city had one public pool, it stayed packed with children all summer long.
*September 22, 2008*

**music**

I've got to design a poster with the main elements of music on, any ideas.
*September 17, 2008*

**writing**

edit the sentence to correct pronoun reference. many people believe that the polygraph test is highly reliable if you employ a licensed examiner.
*September 9, 2008*

**Physics**

1. What constant acceleration, in SI units, must a car have to go from zero to 69.0 mph in 13.0s ? 2. What fraction of g is this? (the unit for this answer is % of g)
*August 28, 2008*

**Math**

the hundreds, tens and ones are in the "ones period". The thousands, ten thousands, and hunderd thousands are in the "thousands period". So 652 in the ones period would be 652 and 739 in the thousands period would be 739,000.
*August 26, 2008*

**Religion**

Consider the interrelatedness of everything in the cosmos as it is expressed in many indigenous religions. How do you think the importance of these relationships developed? What spiritual purpose do you think they serve for indigenous peoples?
*August 21, 2008*

**precalc**

Thanks Damon!
*July 30, 2008*

**precalc**

so the range is y>-4
*July 30, 2008*

**precalc**

what is the domain and range of -4 + 3^(x+2)
*July 30, 2008*

**business**

When setting up a production set, what else is important to financial success, aside from linear programming?
*July 16, 2008*

**Algebra**

Thanks
*July 4, 2008*

**Algebra**

Mulitiply. (c+d)(c^2-cd+d^2)=c^3+d^3 is this correct.
*July 4, 2008*

**Algebra**

let do some corrctions sqrt9x+81=x+5= answer was x=35+3sqrt61/2,35-3sqrt61/2. please work with me.
*July 2, 2008*

**Algebra**

Solve. ã9x+81=x+5 this is my answer:x=35+3ã61/2,35-3ã61/2 is this correct.
*July 2, 2008*

**Sociology**

Functionalists, including Durkheim, argue that deviance can increase social stability in which of the following ways: a. by clarifying society's norms b. by creating social cohesion c. by affirming the collective identity of the group when deviants are punished d. all of ...
*July 1, 2008*

**algebra**

sorry i put the wrong question as I know this one what is loge25
*June 25, 2008*

**algebra**

Solve logx = 5
*June 25, 2008*

**Macro Economics**

Diagram and explain the concept of a function.
*June 25, 2008*

**science**

what are some structural, behavioural, and physical adaptations of a goldfish?
*June 17, 2008*

**sociology**

Which of the following is(are) true of culture a. participation in the elite forms of culture is expensive b. familiarity with different cultural forms stems from patterns of historical exclusion c.historical exclusion has prevented integration into networks that provide ...
*June 14, 2008*

**multiple choice**

thanks a lot Violence is dependent variable
*June 14, 2008*

**multiple choice**

In the statement, "Men are more violent than women," violence is the: a. dependent variable b.independent variable c. intervening variable d. control variable Can someone pls help.
*June 14, 2008*

**french question**

and what about at night....le soir, je...? or Du soir, je...
*June 4, 2008*

**french question**

I want to say In the afterjnoon, I .... is it De l'apres-midi, je....?
*June 4, 2008*

**English**

Okay, thanks. I just wanted to make sure there wasn't a possible use of 'must' I was overlooking that would allow me to express "I don't have to" using 'must'.
*May 21, 2008*

**English**

Yes, but that seems to say that I must avoid going, whereas what I want to say is that I do not have to go, or that it is not true that I must go, not in so many words.
*May 21, 2008*

**English**

Is there a way to express the verb 'must' such that it means the subject does not have to do something? See: I must go. -- I have to go. I must not go. -- I have to avoid going. I can't think of any 'must' equivalent to "I do not have to go". Is ...
*May 21, 2008*

**english word**

Halved and quartered are really the only words like that. You just don't see thirded, fifthed, and such. XD Try things that say something has been divided into fifths. Torn into five pieces, separated into fifths, etc.
*May 18, 2008*

**algebra**

solve (x+16)*(x-19)*(x+3)>0 The soltion set is{x| } I do not understand this one.
*May 14, 2008*

**algebra**

is z^18*z^0=z^18
*May 13, 2008*

**Algebra**

Thanks. I made it harder than it was.
*May 13, 2008*

**Algebra**

If the sides of a square lengthened by 7cm,the area becomes 196cmsquare. What is the length of the orinal side of the original square?
*May 13, 2008*

**algebra**

The number of tickets soldeach day for an upcoming performance of Handiel Messiah is given by N(x)=-0.4x^2+9.6x+10,where x is the number of days since the concert was first announced. WHen will daily ticket sales peak and how many tickets will be sold that day.
*May 11, 2008*

**algebra**

THe length of a rectangle is twice the width. The area is 200yd^2. What is the length and width. Is this right L=20 w=10
*May 11, 2008*

**algebra**

A student opens a mathmatics book to two facing pages. The product of the page numbers is 2352. Find the page numbers.
*May 11, 2008*

**graphs**

can someone help em find a graph showing current abuses or deaths of tranquilizers or barbiturates (depressants)
*May 9, 2008*

**Math**

what is one half of 40 cm2
*May 4, 2008*

**algebra**

How do you find a quadratic equation if you are only given the solution?
*April 29, 2008*

**algebra**

How do you know if a quadratic equation will have one, two, or no solutions?
*April 29, 2008*

**algebra**

Multiply sq rt5(3sq rt3-5sq rt9) my answer is 3sq rt15 - 15sq rt5 is this correct? Thanks
*April 25, 2008*

**math**

I need some help. My teacher gave me a worksheet "Why does a poor man drink Coffee?" written by Pizzazz. Does anyone know how to do this sheet?
*April 24, 2008*

**Maths**

At a vending machine, 6/11 people select a cola soda. Find the probability that all of the next 3 people select a cola soda.
*April 16, 2008*

**math**

solve the simlutaneous equation: x^2= 4-y x= y+2
*April 14, 2008*

**algebra**

To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat(in acres)polled. a. Write an equation using only one variable that could be used to...
*April 9, 2008*

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