Saturday

February 6, 2016
Total # Posts: 883

**physical science!!!!!!!!**

1. Alex pulls on the handle of a claw hammer with a force of 15 N. If the hammer has a mechanical advantage of 5.2, how much force is exerted on a nail in the claw? 2. While rowing in a race, John pulls the handle of an oar 0.08 m on each stroke. If the oar has a mechanical ...
*January 22, 2009*

**physical science**

Alex pulls on the handle of a claw hammer with a force of 15 N. If the hammer has a mechanical advantage of 5.2, how much force is exerted on a nail in the claw?
*January 22, 2009*

**history**

did native american colonize or immigrate?
*January 19, 2009*

**calculus**

It is known that if m <= f(x) <= M for a <= x <= b, then the following property of integrals is true. m(b-a) <= int_a^b f(x)dx <= M(b-a) Use this property to estimate the value of the given integral. ? <= int_0^3 3/(1+x^2)dx 2 <= ? solve for the ?
*January 17, 2009*

**calculus**

given: f(x) = 2-1/4 x Evaluate the Riemann sum for 2 ≤ x ≤ 4 , with six subintervals, taking the sample points to be left endpoints.
*January 16, 2009*

**Chemistry**

How can you separate compounds?
*January 13, 2009*

**us history debate**

i really don't know what to do. PLease please help me
*January 12, 2009*

**us history debate**

Hi. I am doing a debate on wheter united states imperialism in the late 1800s to early 1900s was justified. I am on the side that states that imperialism was justified. I need help coming up with points to put in my rebuttal. i already have my opening statemnt done but I don&#...
*January 12, 2009*

**Algebra**

Give the domain for each of the following: 5+2y/6 5-r/r 2y+1/y+5 I dont get these so yea thank you!
*January 8, 2009*

**Recent History**

I don't understand what the big deal was about Y2K. Why would the world stop just because the computers would...I mean we existed all of these years without computers. It would make life more difficult certainly, but it wouldn't entirely end life as we know it.
*January 5, 2009*

**Math**

How do you compute 10 (to the -4)(as the exponent)
*December 8, 2008*

**philosophy**

Why do the Skeptics treat lack of belief as the goal of life? what purposes does that serve for them?
*December 5, 2008*

**physics**

bjkhkh
*December 2, 2008*

**calculus**

Find an equation of the tangent line to the curve at the point (0, 1). y = (1 + 3x)20 i got y' = 60(3x+1)^19 what do i do next?
*November 10, 2008*

**calculus**

differentiate y=x sin((4)/x)
*November 10, 2008*

**eng**

how would i deal with this? Each generation has some thing valuable to offer This generation information dispersal, my generation-heavy metal my parents--they paved the way
*November 4, 2008*

**English**

teacher
*November 3, 2008*

**English**

no kidding that's the way they want it for the outline. They also want us to show our stylistic devices in the outline. Just a weird way of learning it.
*November 3, 2008*

**eng**

Outline: 4) Also the Government will not incur the cost of defaulted student loans. a. High debt loads are not being paid (Stat) 800 million overdue on defaulted loans b. Relief programs are faulty (Fact) Debt management programs require loans to be in good standing (not in ...
*November 3, 2008*

**eng**

hows my outline look? Outline: 1)Post secondary education is unaffordable A)Poor students can’t afford tuition (Stat) tuition has increased by Fifty-percent B) The Government has implemented grants, scholarships and student loans to help. Thesis: I’m going to write ...
*November 3, 2008*

**calculus**

Show that the curve given below has no tangent line with slope m1, where: y = 4 x^3 + 8 x - 6 m1 = 7
*November 3, 2008*

**calculus**

find the points on the curve y=2x^3+3x^2-12x+1 where tangent is horizontal.
*November 3, 2008*

**chemistry**

write the total and net ionic equation for calcium hydroxide(aq) -> acetic acid(aq)
*November 1, 2008*

**chemistry**

How many total moles of ions are released when each of the following samples dissolves completely in water? 30.2g of Ba(OH)2 8H2O
*October 31, 2008*

**Chemistry**

is KAl(SO4)2 12H2O hygroscopic, deliquescent, or efflorescent?
*October 30, 2008*

**english**

Ok, having some troubles the question is why does soccer inspire so much passion around the world probably because it provides a unifying identity. Gives the poor something to aspire to, provides role models, and unities them for a common purpose. do i have to much ?
*October 30, 2008*

**Calculus derivatives**

f(a) = a + √a (a) Find the derivative of the function using the definition of derivative.
*October 27, 2008*

**chemistry**

calculate the number of Mg2+ ions in each mL of 0.162M(molarity) magnesium bromide
*October 26, 2008*

**evaluate my english pls**

Analysis of “A Hanging” George Orwell’s “A Hanging” shows the inhumanity of capital punishment. He uses a narration to describe the sequence of events involved in the hanging of an Indian prisoner. By using vivid images the horrors are shown. Overall ...
*October 24, 2008*

**evaluate my english pls**

i copied and paste it..but doesnt seem to work
*October 24, 2008*

**evaluate my english pls**

Analysis of “A Hanging” George Orwell’s “A Hanging” shows the inhumanity of capital punishment. He uses a narration to describe the sequence of events involved in the hanging of an Indian prisoner. By using vivid images the horrors are shown. Overall ...
*October 24, 2008*

**english**

thanks ms. sue im finally getting that stuff... its been 20 yrs since i did grammar..
*October 23, 2008*

**english**

one says each boy so i assume its singular...so the very has to be his 2-I I are going to the store jane and i are going to the store not sure what is singular and plural and subject , object, and all that stuff.
*October 23, 2008*

**english**

1. their 2 me 3 we 4 me and bob 5 who
*October 23, 2008*

**english**

hey can u help me with punctuations are these correct> having problems with pronoun agreement. My answer are the end of each sentence. 1. Each of the boys washed (their his) dishes. His 2. Jane and (me I) are going to the store, Mom! Me 3. (We Us) and our friends signed ...
*October 23, 2008*

**CHemistry**

73.9%
*October 22, 2008*

**eng 12**

I got to analyze suzukis history at our peril. How should i present my analysis? suppose to tell why its expository? then provide examples. Should i state why in the first paragraph why its expoisitory? ie he talks about how humans need to protect the environment or it will ...
*October 22, 2008*

**help wit my analysis**

oh, we get 3 points for telling why its expository 3 for three examples of support 1 title 1 author 2 for mainpoint
*October 22, 2008*

**help wit my analysis**

In “What is poverty” Jo Goodwin Parker uses an expository essay to define the realities that she faces. She believes poverty can’t be described by the lack of food, clothing, shelter, housing or water. Nor does she think it’s a statistical measure. She ...
*October 22, 2008*

**Psychology**

psychological are mental and phsiological are physical maslow just said we strive for greater satisfaction. Once primary needs are met we strive to full our inner desires ? so for example. If your poor then your basic needs are not met so you cant pursue your inner desires ...
*October 22, 2008*

**math**

I would pick Box B because you have a 60% chance of picking a red marble in Box A and you have a 66.6% chance of picking a red marble in Box B.
*October 22, 2008*

**Statistics**

One-fifth of the population is left-handed. A random sample of 20 people is selected. a) What is the probability that no more than 6 of the next 20 people are left-handed. b) What is the probability that at least 4 of the next 20 people are left-handed.
*October 22, 2008*

**Math**

How do I write a word problem that matches this expression:10-(2x4)?
*October 21, 2008*

**english 12**

thanks, humans are causing killing all the animals, polluting the plants, pollution, ozone, basically messing up the biodiversity of the species...
*October 21, 2008*

**english 12**

i think u got it wrong we are suppose to id the thesis and then tell why its a cause effect essay don't need any position
*October 21, 2008*

**english 12**

what is the thesis suppose to do analysis of this essay to show its cause effect. How do i start it ? June 15, 2001 - More than 13,000 years ago when humans first set foot in the Americas, there were no roads crisscrossing the landscape, no sprawling cities, no vast fields of ...
*October 21, 2008*

**chemistry**

The closest would be Krypton, not Radon
*October 16, 2008*

**physics**

The impulse equals that, and then you divide the impulse by change in time (.292 s) in order to obtain your answer, the average force exerted on the ball.
*October 7, 2008*

**college physics**

0.81
*October 5, 2008*

**chemistry**

what products would be obtained if chromium oxide was mixed with sulpheric acid
*September 24, 2008*

**math riddle ALGEBRA WITH PIZZAZZ**

Rolling in the isles
*September 14, 2008*

**science**

Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the magnitude of each of these ...
*September 14, 2008*

**MATH**

x/6=84, x=504 x/7=?, 504/7=72 the answer is 72
*September 7, 2008*

**Calculus**

Find the derivative of Integral from -5 to sin(x) of cos(t^3)+t
*September 7, 2008*

**Social Studies**

Can you give me an example of a human resource? I know what natural resources and capital resources are. Would a human resource be an occupation like farmer or police officer? We're supposed to list examples.
*August 25, 2008*

**english**

hi can someone please pleas help me. All I need is a thesis for this question that I am writing an essay for. Analyze the impact of the Atlantic trade routes established in the mid 1600's on economic development in the British North American Colonies.
*July 23, 2008*

**education**

I just failed the 10th grade by 1 credit. And I feel like I could do much better in the 11th and 12 grade. Is it possible for me to still go to college?
*July 16, 2008*

**Physics**

If the distance between massive objects doubles, what happens to the force between them?
*June 5, 2008*

**math**

You should learn to spell. Equal does not equal equil.
*June 4, 2008*

**math**

yes it is possible, if newtons law of gravity takes place, and you take the squre root of three. 2+2 does infact equil five. P.s. I KNOW THIS RESPONDING TO MY OWN QUESTION!!! THIS IS BECAUSE I NEED SOMEONE TO ANWSER THIS!!! MY REPORT DUE IN FIVE MINUTES!!! HELP ME PLEASE!!!
*June 4, 2008*

**math**

I heard people say that 2+2 could equil 5. Is this posible?
*June 4, 2008*

**band**

In the piece Alamo March what typically happens on a trio?
*June 4, 2008*

**statistics**

A. 1/12 b. 1/24 c. 1/12 d. 1/4 I THINK these answers are correct, if this is for a major grade, ask somebody and compare my answers to theirs.
*June 4, 2008*

**Science**

I have a report due for science and i have to learn a ton of information about the grasslands biome. What website has the most infromation about that subject?
*May 6, 2008*

**Math**

What might you have if you don't feel well?
*April 22, 2008*

**music**

hi i need some help wiv me music home worh respond asap time of gag 10:10
*April 4, 2008*

**Racial and Ethnic Groups**

I know how to research I was asking your opinion. Oh Well Thank you anyway
*April 2, 2008*

**Racial and Ethnic Groups**

Consider racial imbalances in education, the econmy, family life, housing, criminal justice, health care and politics. of the these societal challenges facing moder african americans, which do you think are most difficult to overcome, and why?
*April 2, 2008*

**Algebra 2**

Actually, I figured it out..... Because of what it says in the directions: Simplify Each Expression. Rationalize all denominators. Assume that all variables are positive, I have to rationalize all denominators, which means you can't have a radical in the denominator so you...
*April 1, 2008*

**Algebra 2**

Simplify Each Expression. Rationalize all denominators. Assume that all variables are positive. 3 times the square root of 11x^3y (the three is an exponet) over -2 times the square root of 12x^4y (the 4 is an exponet)
*April 1, 2008*

**Media and Culture**

summarize specialization and ownership patterns inthe newspaper and magazine industries in a 250- to 300 word reponse. Explain the positive and negative impacts of thes patterns onequitable access to information. Thank you.
*March 28, 2008*

**Immigration**

200-300 word summary that answers all of the following questins: Should United States government policy favor certainkinds of immigrants? Should citizenship preference be givento the neediest applicants? The most talented? the most Oppressed? the Richest? Should applications ...
*March 27, 2008*

**Math**

One number is 9 more than another number. If the product of the two numbers is -20, find both numbers.
*March 17, 2008*

**Math**

One positive number is 8 more than another. The sum of their squares is 104. Find both numbers.
*March 17, 2008*

**Math**

Simplify the following expression. x+3 1 xsq2-x-6 ____ + _____ +________ x-3 x+3 xsq2-9
*March 4, 2008*

**Economics/Stats**

I have data on unemployment over the past 15 years for three different groups. I would like to show that there is more volatility in several of the groups than there is in the other. What tests should I run?
*February 26, 2008*

**financial accounting**

the long-term note payable bears an interest of 12% per year. the unadjusted interest expense account equals the amount paid for the first 11 months of the 2008 fiscal year.(3,300). The 300 accrued interest for april has not yet been paid or recorded.Note: that the company is ...
*February 9, 2008*

**accounting**

Andy Wright, D.D.S., opened a dental practice on January 1, 2008. During the first month of operations the following transactions occurred. Performed services for patients who had dental plan insurance. At January 31, $875 of such services was earned but not yet recorded. ...
*January 30, 2008*

**Science-Chemistry**

So would the half equation be CH3COOH -> CO2 + CH4 and if so, where is the oxidation/reduction - electron transfer?
*January 28, 2008*

**Science-Chemistry**

Wirte the half equation for the reduction of acetic acid. I Know that a colourless odourless gas is formed in the process but I can't seem to find an appropriate product to accompany it. Pleasae help.
*January 28, 2008*

**fudal system**

did they like fudal system
*January 18, 2008*

**Math**

Rewrite 6 ã49/18 with a rational denominator.
*January 10, 2008*

**Math**

Rewrite 6 ã49/18 with a rational denominator.
*January 10, 2008*

**eng**

What is objective (in terms of literary devices)?
*January 3, 2008*

**eng**

whats the diff b/w figure of speech and figurative language?
*January 2, 2008*

**Calculus**

Find the average value of f(t)=-2te^(-t^2) on the interval [0,3]
*December 5, 2007*

**Math**

Find the area between y=3sinx and y=3cosx over the interval [0,pi].
*December 4, 2007*

**PHYS.**

If the force on the tympanic membrane (eardrum) increases by about 1.50 N above the force from atmospheric pressure, the membrane can be damaged. When you go scuba diving in the ocean, below what depth could damage to your eardrum start to occur? The eardrum is typically 8.20 ...
*November 29, 2007*

**science**

In what step does spongy bone begin to form?
*November 28, 2007*

**SS**

Which of the following is elegible to run for the presidency: a 45 year old banker who was born and raised in Wyoming or a 30year old state legialator who was born in Virginia, lived abroas for 10 years then returned to Virginia? I think both of them are eligible.
*November 26, 2007*

**Calc**

okay sorry. How can I be certain that the profit is being maximized?
*November 25, 2007*

**Calc**

But how is it -4, I am confused
*November 25, 2007*

**Calc**

I got 20755 when I plugged 24 in and -685 when I plugged 4 in, is this correct?
*November 25, 2007*

**Calc**

With -4 I got 508 and with 24 I got -6893 What did I do wrong? This makes no sense
*November 25, 2007*

**Calc**

I got 24 and 4.
*November 25, 2007*

**Calc**

Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 How do I simplify this so I can take the derivative For Further Reading * Calc - Michael, Sunday, November 25, 2007 at 4:17pm Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 p(-p^2 + 33p + 9) Just distribute the p in. -9(-p^2 + 33p + 9) Find the ...
*November 25, 2007*

**Calculus**

Michael I have a question for you about the simplifying and taking a derivative
*November 25, 2007*

**Factoring**

This is for -3p^2+84p-288, but I am also stuck on the other problem
*November 25, 2007*

**Factoring**

I didn't think you were going to answer the other question. Now I have -3(p^2-28p+96) I am now stuck I eventually need this to be set to equal zero
*November 25, 2007*

**Factoring**

I took out the three to get 3(-p^2+31) but my answer is not making any sense with the question I am being asked because of my p value must be between 18 and 28. HELP
*November 25, 2007*