Saturday

January 21, 2017
Total # Posts: 1,815

**Intermediate Algebra**

Find the maximum value of the objective function and the values of x and y for which it occurs. F = 5x + 2y x + 2y (greater than or equal to) 6 2x + y (greater than or equal to) 6 Both x and y are greater than or equal to 0. I don't understand how to do this! And I can'...

*January 12, 2009*

**randon question that needs an answer**

how many years apart is it leagle to marry like can u be 27 but marry sum1 that is 32? or 19 but marry sum1 that is 24? like how many years apart ...can u be 5 years apart and still marry the person? is that leagle?

*January 11, 2009*

**2nd grade Math**

Wich 3 flowers add up to 85 cents? Tulip-48 cents Rose-52 cents Dafidale-25 cents Viloit-37 cents Sunflower-23 cents

*January 7, 2009*

**5th grade math**

something is missing hunn.

*January 6, 2009*

**US history**

i don't know estabished credibility?

*January 5, 2009*

**US history**

How did the Supreme Court decisions mentioned (Marbury v. Madison, McCullough vs. Maryland, and Martin v. Hunter's Lessee) strengthen the American republic?

*January 5, 2009*

**Precalc**

What does something have to be inorder to be considered a function. I'm not talking about the verticle line test or somethng to verify, im saying in words. like can it not be negative or somehting?

*January 2, 2009*

**PreCalc**

I am supposed to graph this y= -x^2+2x he told us to coplete the square to get us the vertex, but how do i complete the square with a - in front of the x^2??

*January 2, 2009*

**9th grade**

what is one obstacle that both martin luther king and richard wright address in i have a dream and black boy.

*December 18, 2008*

**Chemistry- Please help me**

A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.00 cm, and a piston is carefully placed on the surface of the compound so that, for all practicla purposes, the distance between the bottom of the cylinder ...

*December 16, 2008*

**english**

I have trouble finding the tone of this piece by Aristotle. Seeing then that the state is made up of households, before speaking of the state we must speak of the management of the household. The parts of household management correspond to the persons who compose the household...

*December 14, 2008*

**Math**

How would I rewrite 3(x + 2) in Distibutive property?

*December 14, 2008*

**CSS Coding**

yeah I know this stuff from neopets. Its not top then height, its to then left.

*December 13, 2008*

**Spelling**

Thank you yay now I can lern how to spell. By teacher will be happy that I can finaly spell!!! why did you giv me da first link?

*December 13, 2008*

**Maths**

sorry I typed the rong subject. Its suposed to be called spelling

*December 13, 2008*

**Maths**

hello my name is lauren and I am in year 6. I don't no how to spell goodly do you have any tips on how to spell better? Thank you very much.

*December 13, 2008*

**Chem: Mole and Avogadros Number**

How many molecules are in the quantities below? 2.0 moles 0.75 moles

*December 11, 2008*

**Science**

at absolute zero, how much kinetic energy do the particles have?

*December 10, 2008*

**Science**

what is the difference between the average kinetic energy of an object and the total kinetic energy of an object?

*December 10, 2008*

**us history**

were immigrants lived ad worked during the 1920's

*December 3, 2008*

**physics**

a coin rests on a book. the book tilts until the coin just begins to move. the angle is 17 degrees. what is the coefficient of static friction?

*December 2, 2008*

**Math**

Thank You, I saved this link.

*November 30, 2008*

**Math**

Thank You, how can you find a square root of a number easily?

*November 30, 2008*

**Math**

Find all the numbers that give you 7.29 when squared. Show your work.

*November 30, 2008*

**Math word problem**

Thank You so much. It looks so simple, and makes sense the way you wrote it out!

*November 30, 2008*

**Math word problem**

I know the answer, but is there a formula to show work? Amy had a piece of wire 96 inches long. She cut the wire into 3 pieces. The second piece was 6 inches longer than the first piece. The third piece is 9 inches longer than the second. What was the length of each piece of ...

*November 30, 2008*

**math**

A word Problem Kris has an endless supply of 4-cent and 7-cent stamps for mailing a package. What is the greatest amount of postage that cannot be affixed to a package using these stamps?

*November 16, 2008*

**science**

What does ti mean to depress the scapula? Does that mean to shrug shoulders?

*November 8, 2008*

**physics again (check answers please)**

What net force increases a velocity of a car from 20 m/s to 35 m/s in 8.0 s if the mass of the car is 1600 kg? (3000 N). What force would cause the car to stop? (3000N) What coefficient of friction is needed to supply the force of friction? (.0191) are they correct?

*November 8, 2008*

**physics- check my answers)**

thanks!

*November 8, 2008*

**physics- check my answers)**

An ice skater of mass 50kg moving at 10 m/s coasts to a halt in 100 m on a smooth ice surface a. calculater acceleration of the skater (.5 m/s) b. what is the force of friction between the ice and the skates? (25 N) c. calculate the coefficient of friction (.051) are my ...

*November 8, 2008*

**math**

a rectangular box with a volume of 60 ft^3 fas a square base. Find a funtion that models its surface area S in terms of the length x of one side of its base

*November 8, 2008*

**gov**

what does collective action have to do with interest groups?

*November 7, 2008*

**math**

[(2+h)^2-4]/h find the limit how do i do this?

*November 6, 2008*

**Intro to Computer Programming - Pseudocode**

This assignment (below) jumped way ahead of my abilities compared to the last assignment. I think I need a parallel array or a 2D array, an accumulator or loop counter, a verification of input, and Boolean something. But I'm not sure how to write it. We're not writing ...

*November 3, 2008*

**Interview**

You want to dress in a way that shows you are mature and care about how you look. So, I would say something dress-casual. Wear nice but comfortable shoes. You want your appearance to make people take you seriously, but not be overdone (don't draw attention to yourself by ...

*November 3, 2008*

**spanish**

Please see if this is written correctly. Let me know what to fix. Thanks. Michelle Rodriquez es puertorriqueña y dominicana. Ella es famosa por las habilidades de actuación. Ella es rebelde y hace los papeles de unas muchachas gamberras en películas de ...

*October 28, 2008*

**Spanish**

Please see if this is written correctly. Let me know if I can say certain sentences in shorter phrases or simpler words or both. Michelle Rodriquez es puertorriqueña y dominicana. Ella es famosa por ella las habilidades actuación. Ella es rebelde y de muchachas ...

*October 27, 2008*

**math**

For how many ordered pairs of positive integers (x,y) is 2x+3y<6? a. One b. Two c. Three d Five e Seven

*October 27, 2008*

**Spanish**

Hello: Please see if this translation is correct. Make suggestions as necessary or feel free to tell me how to say specific phrases in simpler words. Thanks. Michelle Rodriquez is Puerto Rican and Dominican. She is famous for her acting skills. She is rebellious and usually ...

*October 27, 2008*

**Science**

Why is water used as a contant in many science experiments?

*October 23, 2008*

**5th Grade Math -- Correction**

what is the answer for 27 metres and 16 cm plus 13 metres and 58 cm

*October 23, 2008*

**Pre-Cal**

Find the greatest integral upper bound of the zeros for the following function. f(x) = 4x^3 - 2x^2 - 12x + 1 Find the real zero(s) to the nearest tenth. f(x) = 2x^3 + x^2 - 1 [I believe the numbers should be around -1 and 0 and 0 and 1.]

*October 22, 2008*

**Spanish**

please see if this is correctly written. Judith Baca, un habitante de Los Angeles nativo, nació en 1946. Ella es sabida mejor para sus murales grandes. La Gran Pared de Los Angeles representa la historia de personas étnicas de California. El mural muestra im&...

*October 22, 2008*

**pre-cal**

Solve. (sqrt. x + 1) - (sqrt. 2x -12) = 1 The answers I reached were x = 8 and 24. If you plug in 8, you will get 1 as an answer. If you plug in 24, however, you will not get 1 as an answer. Please see if 8 is the only solution. If not, please show me how to solve to find the ...

*October 21, 2008*

**physics...one last time**

A mortar elevated to 60 degrees scores a hit 15 m up a building 30m away. with what speed was the shell fired?

*October 21, 2008*

**physics again!!**

and...the time is 3.06s

*October 21, 2008*

**physics again!!**

An arrow is fired at an angle of 53 with a velocity of 15 m/s. what is its range? explain step by step please!!

*October 21, 2008*

**Physics HELP!!!**

nevermind, i figured it out

*October 21, 2008*

**Physics HELP!!!**

thanks! I have question though...what happened to the ^2 in the second part? Its in the second step but then where does it go?

*October 21, 2008*

**Physics HELP!!!**

A ball is kicked at an angle of 50 with a velocity of 14m/s. a. how long is it in the air? b. how high does it rise? can someone please explain to me how to solve this???

*October 21, 2008*

**7th grade math**

the sum of two integers is zero. the difference of the same two integers is 16. What are the integers

*October 20, 2008*

**!social studies!**

what were all the places that christapher columbus explored!? help me please!

*October 20, 2008*

**math**

How do I find the area of a circlr? In the problem I'm trying to solve, the only information that is given is that sides BC and AD of the 8 by 12 rectangle located outside of the circle, are tangent to the circle.

*October 15, 2008*

**Spelling**

Hey my older brother has been in the spelling bee 3 times and has made it to county before. He says don't freak out when you get on stage and if you do get a word wrong don't be embarrassed because alot of other people get the words wrong. Make sure you study with your...

*October 8, 2008*

**algebra 1**

How would you solve this equation: A local gym charges nonmembers $8 per day to use the volleyball courts. Members pay a yearly fee of $150 and $2 per day to use the volleyball courts. Write and solve an equation to find how many days you must use the volleyball courts to ...

*October 8, 2008*

**Consumer math**

idk what you are talking about. sorry :]

*October 8, 2008*

**unscrambling word**

Have you found your answer yet? What subject is it for? =)

*October 8, 2008*

**chemistry**

why is platinum more expensive than gold??

*October 8, 2008*

**chemistry**

why do they put chlorien in swimming pools and drinking water???

*October 8, 2008*

**chemistry**

does fire have matter?

*October 8, 2008*

**statistics-please please help**

A) Choose one of the following distributions (positively skewed normal distribution, negatively skewed normal distribution or bimodal normal distribution) and generate a sample of 20 numbers for it. The sample you generate should have a mean of 8 and a sample standard ...

*October 7, 2008*

**Science**

if gravity is rounded to 10 and 78.4 is rounded to 78: -then, time= velocity/gravity time=78/10 time=7.8 or... time=78.4/9.8 time= 8

*October 5, 2008*

**1st grade**

I'm sorry I can't help you because I don't know what shape you want us to make!!!!

*October 5, 2008*

**nonfiction**

I just took the test and got a hundred the answers are a a b c c b d a a c c a b d b c c d c b

*October 1, 2008*

**Dynamath for October**

Supermath Electoral votes exactly adding up to Mccains 72??? You have to go over to 75? Right??

*September 29, 2008*

**math**

the # is 82.406 =)

*September 22, 2008*

**Stevens**

How do you analyze this sentence: 'When the rain began, we were playing soccer.'

*September 22, 2008*

**algerbra!**

7(n+1)-4n=4 wut is n -7(x-3)=-14 wut is x 8=3+5(y-2) wut is y 2(x-3)+3(x-1)=-5

*September 15, 2008*

**Matematics**

D = F/(C-E) Let C be the subject

*September 10, 2008*

**7th grade math**

Question: The volume of a cube is 343 mm2. What is the length of one side of the cube?

*September 7, 2008*

**reading**

in part 2 of call of the wild what did the dog-driver do 4 buck?

*September 4, 2008*

**9th grade algebra**

How do you want me to help you if there isn't even a propblem to help you with.

*September 2, 2008*

**9th grade algebra**

First, to complete this problem, you add like terms (2b and 3b)(add them together). Now you should have something like 5b-6. Now add 6 to both sides. Now you should have something like 5b=20. Next you need to divide 5 from both sides. Now you should have b=4. There you go, you...

*September 2, 2008*

**math**

i can see them..... they ARE on the current qestions page

*September 1, 2008*

**Algebra**

thank you soooo much!

*September 1, 2008*

**Algebra**

Triangles C and D are similar. The area of triangle C is 47.6 in(2). The base of Trianfle D is 6.72 in. Each Dimension of D is 6/5 the corresponding dimension of C. What is the Height of D?

*September 1, 2008*

**Chemistry-check answers**

length of 12:19 m in kilometers.

*August 23, 2008*

**chemistry**

calculate the number of liters in 7.05 x 10 ^-2 m^3

*August 19, 2008*

**chemistry**

calculate the number of fluid ounces in 6.03 gal.

*August 19, 2008*

**chemistry**

Calculate the number of english tons(2000 lb per ton) in 6.03 lb

*August 19, 2008*

**chemistry**

calculate the number of feet in 6.03 miles

*August 19, 2008*

**Math**

i don't know

*August 5, 2008*

**math**

(Csquared+14c+49)divided(c+7) The quotient is?

*July 5, 2008*

**math**

No, that's not what I mean. I am supposed to be changing the equation y= x+6x-16 from standard form to vertex form.

*June 16, 2008*

**math**

Sorry. The equation is y=x+6x-16.

*June 16, 2008*

**math**

How would I change this problem from standard form to vertex form? The problem is: y+6x-16

*June 16, 2008*

**algebra**

At a certain real estate firm,realtors selling homes receive a commission of 7% for the first 140,000 of the selling price, and 5% for any amount exceeding 140,000. A realtor for the firm received 11,350 for selling a house. What was its selling price? I really do not ...

*June 8, 2008*

**algebra**

4(2y-5)>3(5y+8)

*June 8, 2008*

**algebra**

At a certain real estate firm,realtors selling homes receive a commission of 7% for the first 140,000 of the selling price, and 5% for any amount exceeding 140,000. A realtor for the firm received 11,350 for selling a house. What was its selling price?

*June 8, 2008*

**World History**

I have to put together a visual, technological presentation. My topic is on the weapons used in WWII. I need to find info about these weapons, but MOST IMPORTANTLY, I must cover the significance of each as well as provide context in the larger world and analysis of the weapons...

*June 7, 2008*

**World History**

I have to put together a visual, technological presentation. My topic is on the weapons used in WWII. I need to find info about these weapons, but most importantly, I must cover the significance of each as well as provide context in the larger world and analysis of the weapons...

*June 5, 2008*

**Spanish**

I have to translate these sentences from English to Spanish. Please see if it's accurate. Make any suggestions as needed. 1. Fill a deep-fryer with vegetable oil and heat to 350 degrees 2. Mix the sugar and cinnamon together in a bowl and set it aside. 3. Mix the butter, ...

*June 2, 2008*

**math**

-8a+6(a+7)=1 what does a equal? what is the value of a?

*May 29, 2008*

**math**

2v+3(8-v)=negative 16 what does v equal?

*May 29, 2008*

**world history**

What was the technology, agriculture, trade, religion/belief systems, gender roles, migrations, and population changes of the era of 600-1450 in the Middle East? What about in the 1450-1750? 1750-1914? 1914-present?

*May 8, 2008*

**science**

QX and QZ

*May 5, 2008*

**Physics - Light & refraction**

Basically what bobpursely is saying is that you are going from a high index of refraction to a low index of refraction, so you'll have total reflection inside the object. if you are going from air to water, then you are going from a low index to high index, so you won'...

*May 2, 2008*

**math**

unscramble this word n d o e p n t i

*May 1, 2008*

**Algebra II**

solve the equation e^2 ln x - ln (x+2) = 8/3

*April 19, 2008*