Thursday

October 27, 2016
Total # Posts: 1,494

**Chem/Physics**

Are there two ways of calculating the average kinetic energy of a molecule? Ik that 1/2mv^2 works but for this problem, i don't know the mass or the velocity....

*October 5, 2008*

**Spelling**

k thnx guys! =)

*October 2, 2008*

**Spelling**

deck is to ornaments as a. equip is to pharaphernalia b. furnish is to references c. safeguard is to valuables d. salvage s to remains e. pack is to belongings

*October 2, 2008*

**Integrated Algebra**

How to solve common monomial factor? like this ex: 1.) x2y+x2y2=x2y 2.) 2a+2b 3.) 3b-9b2-12a

*September 30, 2008*

**Social Studies**

How does attending school benefit both the student and the government?

*September 29, 2008*

**Basic Calculus**

How do you graph f(x)=sqrt(a^2-x^2)? how do you graph f(x)=0, if x is rational and f(x)=1, if x is irrational? I need to know how to graph them by hand, not on a calculator. Thanks in advance.

*September 13, 2008*

**MATH PLEASE HELP!**

Solve each system 3x+2y= -2 9x- y= -6 I know how to solve for x but i get really lost trying to figure out how to solve for the second variable

*September 11, 2008*

**Algebra 2**

Solve each system 3x+2y= -2 9x- y= -6 I know how to solve for x but i get really lost trying to figure out how to solve for the second variable

*September 11, 2008*

**english**

apples books

*September 3, 2008*

**home economics**

what foods have calcium in them ?

*August 29, 2008*

**honors geometry**

the locations of the participating towns on the map are Curtis(0,0), Clearfield(10,2,), Buster(5,7), Angel City(1,4) which of the following planned routes is nearest to the 26.3 mile requirement? a> curtis to clearfield to angel city to curtis b>curtis ti clearfield to ...

*August 24, 2008*

**math**

for function operations: If f(x) = x^2 -4 and g(x) = [square root of] (2x+4) g(f(a+2)) ---> then x^2 - 4 +2 x^2 - x [square root of] (2(x^2 - 2) +4) = x [square root of] 2 wher does 'a' come from?, but is that right?

*August 23, 2008*

**math**

i'm looking at another one, and i don't know where to start: x^3 - 2x^2 - 4x +8 hmm, cause u can't pull and x out, no quadratic . . .???

*August 23, 2008*

**math**

I'm not exactly sure how to factor cubed roots: 8x^3 - 1 = (2x)^3 - 1 that's what i get; can it be simplified anymore?

*August 23, 2008*

**math**

I need help what units are used when talking about area?

*August 7, 2008*

**Mat 116**

In 1990, the life expectancy of males in a certain country was 64.7 years. In 1994, it was 68.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990. The linear function E(t) that fits the data is E(t)= ___t + ____ (round to ...

*August 2, 2008*

**English**

I am doing well in my class but having trouble with a particular assignment. I don't really understand bias, fallicies and rhetoric. Here is my assignment, any help or enlightenment would be appreciated. I am not asking for my assignment to be done for me, I am just having...

*July 27, 2008*

**English**

I am doing well in my class but having trouble with a particular assignment. I don't really understand bias, fallicies and rhetoric. Here is my assignment, any help or enlightenment would be appreciated. I am not asking for my assignment to be done for me, I am just having...

*July 27, 2008*

**MATH HELP!**

Help with any of these would be greatly appreciated! THANK YOU! 2. How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points? 3. The path of a basketball can be modeled by the equation h(d)=-0.13d^2+d+2. where h(d) ...

*July 24, 2008*

**Math help**

Help with any of these would be greatly appreciated! THANK YOU! 1. How would i solve 3x^2 - 4 = 0? And in simplest radical form? 2. How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points? 3. The path of a ...

*July 23, 2008*

**Math help**

That dosen`t solve the whole question though =(.

*July 23, 2008*

**Math help**

How would i solve 3x^2 - 4 = 0? And in simplest radical form?

*July 23, 2008*

**Help with Math**

How would i determine the values of 'k' if the graph y=2x^2-2x+3k intersects the x-axis at two distinct points?

*July 22, 2008*

**Help with Math**

The path of a basketball can be modeled by the equation h(d)=-0.13d^2+d+2. where h(d) is the height in meters or the basketball and d is the horizontal distance in meters from the player. How far does the ball travel horizontally before hitting the floor?

*July 22, 2008*

**Function**

How would i solve x^3-3x^2+2=0? How would i show it in exact values?

*July 22, 2008*

**Functions / Calculus**

One of the zeros if P(x)=6^3-13^2+x+k is 2. What would be the value of k? And how would i write P(x) in factored form?

*July 22, 2008*

**calculus**

What would the remainder be if: P (x) = x^3 - 3x^2 + 3x + 2 is divided by x + 1? How would i get the answer?

*July 22, 2008*

**English**

Oh I am sorry the point of this letter is to show that you can write persuasive letter Mark Jones is the Head of Disablity benefits in your localDisablity office. You have a court hearring date in three months to determine if you are entilted to get any benefits however you ...

*June 17, 2008*

**English**

Please check this for me thanks so much for your time :) Write a letter To Mark Jones regardng your finanical hardships you are facing since you have been out of work due to a car accident. Make sure you give as many details as you can. June 17, 2008 Dear Mr. Jones I am ...

*June 17, 2008*

**calcius**

Determine whether the relation represents a function. If it is a function, state the domain and range. {(-2, 1), (-1, -2), (0, -3), (1, -2), (3, 6)} a. function domain: {-2, -1, 0, 1, 3} range: {1, -2, -3, 6} b. function domain: {1, -2, -3, 6} range: {-2, -1, 0, 1, 3} c. not a...

*June 9, 2008*

**calcius**

Determine whether the function is linear, constant, or neither y = x3 - x2 + 8 a. Linear b. Constant c. Neither I think it is neither

*June 9, 2008*

**english**

hi Im a senior and my last assignment in english is to write an essay ,If i don't get at least a B on this essay .I wont graduate.... The question : "why do writers often chose "betrayal" as a theme? to prove it chose 2 books ( kite runner and 1984) even if ...

*May 21, 2008*

**Corporate Tax**

Alan just immigrated to Canada and owns STARS ltd (US company). Alan owned 100% of shares to STARS ltd. STARS ltd. was incorporated in the US in 2004. Alan wanted to know if he should use STARS ltd or a new company to carry on his business in Canada? He's also not sure ...

*May 18, 2008*

**chemistry**

what is the balanced chemical equation for aqueous hydrgoen peroxide to produce solid lead (II) sulfate and liquid water?

*May 7, 2008*

**Physical Science**

Thank you Kristi, I really appreciate your response.

*April 28, 2008*

**Physical Science**

Why don't oil and water mix?

*April 28, 2008*

**Physical Science**

Many dry cereals are fortified with iron, how would you prove that?

*April 28, 2008*

**Physical Science**

An acid and a bas react to form a salt which consists of positive and negetive ions. Which forms the positive ions the acid or the bas?Which forms the negetive ions?

*April 28, 2008*

**Physical Science**

Pour vinegar onto beach sand in the Carribian and the results is a lot of froth and bubbles. Pour vinegar onto beach sand from California and nothing happens. Wht?

*April 28, 2008*

**Physical Science**

How do you know I have done no work? Maybe I am checking my results or maybe I just need to see how you get the results you get, I did not want to over write with everything I came up with so I just post the questions, sorry it will not happen again.

*April 28, 2008*

**Physical Science**

What happens to the pH of soda as it loses it's carbonation? Would it effect the taste? Why or why not?

*April 28, 2008*

**Physical Science**

How might warmer oceans accelerate global warming?

*April 28, 2008*

**Physical Science**

What determines whether a material is transparent or opaque?

*April 18, 2008*

**Physical Science**

What do radio wave and light have in commen? What is different about them?

*April 18, 2008*

**Physical Science**

What prevents rainbows from being seen as complete circles?

*April 18, 2008*

**Physical Science**

In which of these cases does a ripe banana apear black, red light/green light or blue light? Why?

*April 18, 2008*

**world history**

who sparked the 30 year's war?

*April 15, 2008*

**English (Frankenstein essay)**

i'm writing the same essay basically and this really helped cos i have no idea what frankenstein is on about tbh, thanks! :)

*April 10, 2008*

**Physical Science**

What kind of motion should you impact to the nozzle of a garden hose so that the resulting stream of water approximates a sine curve?

*April 5, 2008*

**Physical Science**

How does a Doppler effect aid police in detecting speeding motorist?

*April 5, 2008*

**Physical Science**

At the stand of a racetrack you notice smoke from the starters gun before you hear it fire Explain.

*April 5, 2008*

**Physical Science**

Why is an echo weaker than the original sound?

*April 5, 2008*

**Physical Science**

If we double the frequency of a vibrating object what happens to its period?

*April 5, 2008*

**Geometry**

The image of P(-1, 5) under a translation is P'(5, 7). What is the preimage of P? Could someone show me steps on how to do this problem, and the answer please? Thank you.

*April 5, 2008*

**Pysical science**

What is the net magnetic force on a compass needle?

*March 31, 2008*

**math**

How do I complete the square for a quadratic equation? I'm not sure how to do it.

*March 25, 2008*

**math**

Am I foiling this right? The problem is (x-5)^2 and I got x^2-10x-10. Is that right?

*March 24, 2008*

**Biology**

Can someone please help me ! i don't know how to read a gel electrophoresis. thank you

*March 23, 2008*

**Physical Science**

A friend tell you that a refrigerator door beneath it's layer of white painted plastic, is made of aluminum. How could you check to see if this is true withoutscraping away the plastic?

*March 22, 2008*

**Physical Science**

I still don't get it.

*March 16, 2008*

**Physical Science**

When a car is moved into a painting chamber, a mist of paint is sprayed around it. When the body of the car is given a sudden electric charge and the mist of the paint is attracted to it, prsto the car is quickly and uniformly painted. What does the phenomenon of polorization ...

*March 16, 2008*

**Physical Science**

Why does a magnet attract an ordinary nail or paper clip but not a wooden pencil?

*March 16, 2008*

**Physical Science**

What is the net magnetic force on a compass needle? By what mechanism does a compass needle line up with a magnetic feild?

*March 16, 2008*

**Physical Science**

If every iron atom is a tiny magnet why aren't all iron materials themselves magnets?

*March 16, 2008*

**Physical science**

Your right sorry, it is watt-sec.

*March 16, 2008*

**Physical science**

What unit is represented by a. joule/coulomb b. coulomb/second c. watt/second

*March 16, 2008*

**Physical Science**

There are three ways to cook popcorn, list them and relate hoe cooking popcorn is really an example of three ways heat can be tranferred.

*March 10, 2008*

**Physical Science**

What is the purpose of the layer of copper or aluminum on the bottom of a piece of stainless steel cookware?

*March 10, 2008*

**Physical Science**

Thank you drwls, you are a lifsaver!!

*March 10, 2008*

**Physical Science**

Turn an incandescent lamp on and off quickly while you are standing near it. You feel it's heat, but you find when you touch the bulb that it is not hot. Explain why you felt the heat from the lamp?

*March 10, 2008*

**Physical Science**

The heat of volcanoes and hot springs comes from trace amounts of radioactive minerals found in the Earth's interior. Why isn't the same rock at the Earth's surface warm?

*March 10, 2008*

**Physical Science**

In your room are things such as tables, chairs and other people. Which of these things has a temperature lower than air? Greater than air? And equal to the temperature of air?

*March 1, 2008*

**Physical Science**

After a car is driven for some distance, why does the air pressure in the tires increase?

*March 1, 2008*

**Physical Science**

On which temerature scale does the average kenetic energy of molecules double when the temperature double?

*February 27, 2008*

**Physical Science**

A 0.6-g peanut is burned beneath 50 g of water, which increases in temperature from 22degreesC to 50 degreesc. What is the exact food value of the peanut? (Assuming a 40% efficiency)

*February 27, 2008*

**Physical science**

After a car is driven for some distance, why does the air pressure in the tires increase?

*February 27, 2008*

**Physical science**

On a perfect day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward or downward. The total wieght of the balloon, including its load and the hot air in it is 20,000N. Show that the volume of the displaced air is 1700 m3 (Hint:Buoyancy in a Gas)

*February 24, 2008*

**physical science**

A merchant in Kathmandu sells you a solid gold 1-kg statue for a very reasonable price. When you get home, you wonder whether you got taken, so you lower the statue into a container of water and measure the volume of displaced water. Show that for 1 kg of pur gold, the volume ...

*February 24, 2008*

**math- Triangle facts**

Thanks!

*February 14, 2008*

**math- Triangle facts**

Given: 2x-3>7 Prove:x>5 Assume: x<5 or x=5 Using a table with several possibilities for x given that x<5 or x=5 x - 2x-3 1 = -1 2 = 1 3 = 4 4 = 5 5 = 7 It's a contradiction because then x<5 or when x>5, 2x-3< or = 7 So in both cases, the assumption ...

*February 14, 2008*

**math- Triangle facts**

Explaining the isosceles theorem. Explain why the SAS Inequality theorem is also called the Hinge theorem. the steps for Indirect Proofs and using an indirect proof with an algebraic problem.

*February 14, 2008*

**math**

thanks

*February 14, 2008*

**math**

using a triangle to explain the theorem and giving a good example with one.

*February 14, 2008*

**math**

How can I explain the angle sum theorem? and whats a good example for it?

*February 14, 2008*

**physical Science**

Two people who weigh the same climb a flight of stairs. The first person climbs the stairs in 30 s, while the second person climbs them in 40s. Which person does more work? Which uses more power?

*February 10, 2008*

**physical science**

You are at the front of a floating canoe near a dock, you jump expecting to land on the dock, instead you land in the water. Explain this in terms of momentum conservation.

*February 10, 2008*

**Government**

Today unions (A) have generally experienced a tremendous increase in membership (B) have not succeeded in organizing any white-collar workers (C) are divided into two large organizations, the A.F.L. and the C.I.O. (D) have generally experienced a decline in membership, ...

*February 9, 2008*

**French**

Hey again, i've made the corrects you suggested...and i was hoping you could proof read just to make sure i did them correctly...Thankz Noël La saison de Noël est l'époque de l'année que je préfère. C’est une fête ...

*February 9, 2008*

**French**

Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im totally off the mark....thanx yall La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a...

*February 9, 2008*

**French**

Hi, i hope i have correctly made the changes you suggested. I was hoping that you could just re-read it to make sure that i have made all the needed corrections. Thank you so much. :D Noël La saison de Noël est l'époque de l'année que je pr&...

*February 9, 2008*

**French**

THANK YOU SO MUCH..i will repost it when i have made the changes

*February 9, 2008*

**French**

thanks so much for your help :D

*February 9, 2008*

**French**

La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a toujours beaucoup d’activités. Chaque année, je célèbre le Noël avec ma famille et ma famille étendue. L’ann&...

*February 9, 2008*

**French**

Le Noël La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a toujours beaucoup d’activités. Chaque année, je célèbre le Noël avec ma famille et ma famille étendue. L...

*February 9, 2008*

**French**

Hi yall. I have been trying to write this paragraph on Christmas and I was just wondering if someone could read it and see if im totally off the mark....thanx yall La saison de Noël est mon temps favori de l'année. C’est une fête religieuse et il y a...

*February 9, 2008*

**geography**

What does a coast guard have to do with the study of geography?

*February 4, 2008*

**Government**

Name four broad categories of the Social Security Program and explain the purpose of each category.

*February 3, 2008*

**Government**

Thank you, I haven't been thinking straight lately...

*February 3, 2008*

**Government**

The most extensive series of laws protecting labor were passed: A: by the federal government during the New Deal under Franklin D. Roosevelt B: by state legislatures before the Civil War C: by the federal government in recent years under John F. Kennedy

*February 3, 2008*

**American Literature**

Thank you!

*February 2, 2008*