Wednesday

December 7, 2016
Total # Posts: 295

**Math**

Use the method of Gauss to find the sum. 2+4+6+...+300 is it 300(300+2)/2 = 45300

*May 10, 2010*

**math**

use the method of Gauss to find the sum. 2+4+6+...+300 is it 300(300+2)/2 = 45300

*May 10, 2010*

**math**

Solve the equation: 2x/5-x/3=3 How do u do this? Thank You!!!

*May 5, 2010*

**MATH**

Consider the experiment of rolling a single die. Find the probability of the event described.What is P(number showing is not odd)?

*April 7, 2010*

**Math**

Thank you

*March 24, 2010*

**Math**

that ã sign suppose to be a square root sign but its not coming out right

*March 24, 2010*

**Math**

(3ã2 + 4)^2 (3ã2 + 4)(3ã2 + 4) 9ã4 + 12ã2 + 12ã2 + 16 9*2ã2 + 12ã2 + 12ã2 + 16 18ã2 + 12ã2 + 12ã2 + 16 = 42ã...

*March 24, 2010*

**Math**

One grocery clerk can stock a shelf in 40 min, whereas a second clerk requires 20 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? Is this how you do this: t/40 + t/24 =1 t*3/40*3 + t*5/24*5 =1 3t/120 + 5t/120 =1 (8t/120...

*March 24, 2010*

**Math**

One grocery clerk can stock a shelf in 40 min, whereas a second clerk requires 20 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? Is this how you do this: t/40 +t/24 =1 t*3/40*3 + t*5/24*5 =1 3t/120 + 5t/120 =1 (8t/120...

*March 24, 2010*

**Math**

Thanks

*March 24, 2010*

**Math**

A plane can fly 140 mph in calm air. Flying with the wind, the plane can fly 700 mi in the same amount of time it takes to fly 420 mi against the wind. Whats the rate of the wind?

*March 24, 2010*

**math**

Give the dimensions of a picture frame that is a golden rectangle.

*March 10, 2010*

**math **

A graphics designer wants to use a star-shaped polygon with 10 points and a point angle of 12 degrees. What should be the dent angle of this polygon?

*March 10, 2010*

**5th grade math**

The length of a rectangle is a multiple of 5in. The width is 4.8 in. The area is between 80in.2 and 100in.2 What is the length of the rectangle? I an really confused on this problem! Please help & explain. thanks

*February 24, 2010*

**Algebra**

Flying with the wind, a small plane flew 360 miles in 2hours. Against the wind, the plane could fly only 300 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. I cant figure out how to solve this. Please help me

*February 24, 2010*

**Algebra**

Flying with the wind, a small plane flew 360 miles in 2hours. Against the wind, the plane could fly only 300 miles in the same amount of time. Find the rate of the plane in calm air and the rate of the wind. I cant figure out how to solve this. Please help me

*February 24, 2010*

**5th grade English**

Thanks soo much!

*February 18, 2010*

**5th grade English**

You should take it with you. Is "you" Singular or plural? At first is thought is was singular but know I really don't know. Was I right at first?

*February 18, 2010*

**5th grade English**

He gave us thirty seconds to think about it. Is the word IT singular or a plural pronoun? I thought it was both...but could it actually be BOTH? because it doesn't give it antecedent.

*February 18, 2010*

**5th grade math - multiplying decimals **

Marlon's desktop measures 0.57 meters by 1.45 meters. that is the ares of his desktop? I came up with .8265 is this correct? I thought that the answer should be more than one.

*February 10, 2010*

**5th grade fractions**

How do I find a number that when divided by 2/3 gives me a quotient between 1/3 and 3/4

*February 2, 2010*

**5th grade fractions**

Attendance at the Fireman's Ball has been declining. Each Year, the number attending is 2/3 of the previous year's attendance. In what year will the attendance be less than 1/3 the original attendance?

*January 25, 2010*

**5th Grade fractions**

Walt has a piece of rope which is 10 1/3 feet long. He has to cut it into 4 equal pieces. How long will each piece be? I took 10 1/3 divided by 4 which is 2.58333. How can I explain this to my 5th grader in fractions?

*January 24, 2010*

**5th grade fractions**

I don't know how to figure..24 girls at the picnic..2/5 at picnic were boys. How many students at picnic?

*January 19, 2010*

**social studies**

i don't know where king charles the first gave the puritans a charter to setle in

*January 3, 2010*

**5th grade**

The LCM of two numbers is 120. The GCF is 6. One number is 6 more than the other. What are the numbers. Can someone please explain how to get the answer?

*November 18, 2009*

**5th grade Math**

If a number has an odd number of factors, why can the number always be represented by the expression n2?

*November 17, 2009*

**chemistry**

At 2200°C, K = 0.050 for the following reaction. N2(g) + O2(g) 2 NO(g) What is the partial pressure of NO in equilibrium with N2 and O2 that were placed in a flask at initial pressures of 0.76 and 0.27 atm, respectively?

*November 13, 2009*

**chemistry**

1.5 mol pure HOCl is placed in a 2.7 L flask.

*November 13, 2009*

**chemistry**

For the following reaction at a certain temperature, it is found that the equilibrium concentrations in a 5.00 L rigid container are [H2] = 0.0500 M, [F2] = 0.0100 M, and [HF] = 0.400 M. If 0.261 mol of F2 is added to this equilibrium mixture, calculate the concentrations of ...

*November 13, 2009*

**English**

I have a question. When your using a quote is it if it's 5 or more lines its indented in 5 spaces and if it's 4 or less lines it goes into your paragraph. How does that go again.

*November 7, 2009*

**Any Help w/5th grade math**

Confused..The grocery store stocks 3 brands of yogurt. The store sells two containers of Brand A yogurt for every one container of Brand B or Brand C Yogurt. If the store sells 100 containers of yogurt a day, how much of each brand of yogurt do they sell? Answer: A=50, B=25, C...

*November 2, 2009*

**5th Grade Math**

Confused..The grocery store stocks 3 brands of yogurt. The store sells two containers of Brand A yogurt for every one container of Brand B or Brand C Yogurt. If the store sells 100 containers of yogurt a day, how much of each brand of yogurt do they sell? Answer: A=50, B=25, C...

*November 2, 2009*

**psychology**

I believe the answer is B.

*October 21, 2009*

**math**

What are good sites to study ratios in math?

*October 21, 2009*

**Literature**

Sorry Hostility of the marginalized?

*October 20, 2009*

**Literature**

What is hostility of the margin?

*October 20, 2009*

**Literature**

Explain how the biography of an artist can impact a work?

*October 20, 2009*

**Science**

Suppose you are on a ship somewhere in the Atlantic Ocean. You take sightings on Polaris and find that it's altitude is 52 degrees. You're told that a certain star is on the prime meridian at midnight Greenwich time. This star is on your meridian at 4 A.M G.M.T What is...

*October 6, 2009*

**Science**

Thank you very much!!

*October 6, 2009*

**Science**

On the surface of the Earth, it is approximately 6,200 miles to the North or South pole. How many miles is it between two parallels 5 degrees apart?

*October 6, 2009*

**5th Grade English**

Should I capitalize indians in a sentence? Example - The indians live in the southwest. Another one has me confused, I played with Mexican jumping beans. Should I capitalize mexican jump beans? Thanks any help will be great.

*September 1, 2009*

**math**

what is the greatest 3-digit number you can write whose digits have a sum of 20? i came up with 992 do you think it's right?

*August 29, 2009*

**5th Grade Math**

i think i have it. 0.32 thanks

*August 29, 2009*

**5th Grade Math**

Marla has 16 nickles and pennies. She has 3 times as many pennies as nickels. What is te total value of the coins? I don't know how to come up with home many nickels..Can someone help?

*August 29, 2009*

**ADVANCED HEALTH CARE**

DESCRIBE TWO APPROACHES OR INDICATORS TO MEASURING PATIENT OUTCOMES

*June 29, 2009*

**ADVANCE HEALTH CARE**

not much i have been looking on the internet, but can not find a good site

*June 14, 2009*

**ADVANCE HEALTH CARE**

what are the advantages an disadvantages for HMO, MANAGED CARE, PPO, POS, AND TRICARE?

*June 14, 2009*

**ADVANCE HEALTH CARE**

WHAT IS THE PURPOSE FOR HEALTH INSURANCE?

*June 14, 2009*

**ADVANCE HEALTH CARE**

HOW DID HEALTH INSURANCE BEGIN?

*June 14, 2009*

**ADVANCED HEALTH CARE**

DESCRIBE THREE CAUSES FOR THE INCREASING COST OF HEALTH CARE.

*June 5, 2009*

**ADVANCE HEALTH CARE**

What are the economic advantages to government involvement in health care? What are the economic disadvantages? What are some ways of curbing the negative impact of rising health care costs on an economy?

*June 4, 2009*

**ADVANCE HEALTH CARE**

In what ways do health care effect an economy?

*June 4, 2009*

**9th Grade Biology**

Has plant life on earth evolved and have rose bushes always been around on earth?

*May 31, 2009*

**Algebra 1**

I need help simplifying these expressions. 1/3 + 2/x= 3/x 2/5 - 3/x=1/5x 3/x+1 - 1/x=1/2 4/x+1=3/x+2 x/x+3= x-2/x 2x^2-4x/x-2 5x/2 times 1/x 12x/5 divided by 6x/7

*May 17, 2009*

**5th grade**

Pleasee! I have a worksheet with me and i need to know how to do range and mode, somebody please tell me!

*April 30, 2009*

**math**

sorry!! range***

*April 30, 2009*

**math**

please!!! i forget!! how do u do rnage? How do u do mode?!?!

*April 30, 2009*

**5th grade Math**

th awnswer is this 1/2

*April 26, 2009*

**Latin**

Whoops I forgot I posted this before I apologize

*April 7, 2009*

**Latin**

I'm just a little confused about this translation my book gave me. My book said "Litteris victoriam nuntiant" means they report the victory by means of a letter. Wouldn't this be they report the victory by means of letters? Am I incorrect or is the book? ...

*April 7, 2009*

**Latin**

My book says the setence "litteris victoriam nuntiant" means they report the victory by means of a letter. Why is letter pluralized in this sentence? Thank you.

*April 7, 2009*

**Chemistry**

Thanks for the explanation. WOuld the answer then be 10.23?

*April 7, 2009*

**Chemistry**

Would you mind checking these mole/unit conversion problems over? I understood them in class today, but that was hours ago, so now I need to start all over again. How many moles of GaBr3 are in 983 grams? I got 983g times 1mole/309.42, which equaled 3.18. Is this correct? If ...

*April 7, 2009*

**Chemistry**

Thank you so much. That was really easy to understand.

*April 6, 2009*

**Chemistry**

I am figuring out how many moles of CU2SO4 are in 485.6 grams. How would you set up the proportion for this? What would the answer then be. Thanks. I really need an example to jumpstart this worksheet.

*April 6, 2009*

**Science**

I am balancing out ions. If you have Zn^2+ and PO4^-3, would they balance out to Zn3 (PO4)^2? Thanks for checking this.

*April 2, 2009*

**Chemistry**

I was reviewing chem equations online. This one site said this is a balanced equation. I don't see why there are 13 oxygens! thirteen times two would equal 26, and there aren't 26 oxygens on the other side. Who's correct and why? Thank you for your help. 4C2H5F+...

*April 2, 2009*

**math**

same problem and the only reason someone would cuss would be because they are stupid and do not know what kind of words to use. so there~

*March 30, 2009*

**calculus-optimazation**

The sum of the perimeters of an equliateral triangle and square is 10. Find the dimensions of the triangle and square that produce a minimum total area.

*February 25, 2009*

**Algebra**

Snape has 2000 mL of a magic potion that is 30% DeMuggle Juice. He also has hundreds of 25 mL bottles that are full of 75% DeMuggle Juice solution. Every time he waves his wand, one of these bottles is added to his magic potion. How many times must he wave his wand to have a ...

*February 6, 2009*

**Algebra**

Graph the inequality 4x - y/2 < 6. I don't know how to start... would multiplying each side by 2/1 work? Thank you!

*February 6, 2009*

**social health**

what are the definitions of the three health things on the triangle??

*February 4, 2009*

**english**

thank you so much for your help!

*February 2, 2009*

**english**

thanks is it do know?

*February 2, 2009*

**english**

know the meaning?

*February 2, 2009*

**english**

what is the verb phrase in this sentence-Do you know the meaning of its letters?

*February 2, 2009*

**english**

okay thankyou!

*February 2, 2009*

**english**

which principle part of the verb hear is used in this sentence-You problably have heard the name unesco

*February 2, 2009*

**Math**

i got -7 1/7 thankyou!

*January 21, 2009*

**Math**

What is te result when the reciprocal of -1/7 is increased by the negative of 1/7?

*January 21, 2009*

**English**

The Book: The Wizard of Earthsea by Ursula. Vech possesses a "greater, unlearned skill." What is it? (Hint) In Chapter 3 or 4.

*December 26, 2008*

**algebra**

thankyou, how would i express this as a compound inequality?

*November 24, 2008*

**algebra**

susie has designed an exercise program for herself. one part requires her to walk between 25 and 30 miles each week. she plans to walk the same distance each day five days a week. what is the range of miles that she should walk each day? write and solve a compound inequality ...

*November 24, 2008*

**calculus**

Differentiate the function f(x) = 186.5

*October 14, 2008*

**calculus**

Prove that d/dx(cot x)= -csc^2x

*October 14, 2008*

**Social Studies**

Explain in what ways ideological beliefs and modern concerns for human rights and justice are challenging the traditional beliefs and practices of the communist state on china

*April 2, 2008*

**geometry**

I'm having trouble with an assignment that asks me to design a structure so that the sumof the measures of the interior angles of all the individual convex polygons is 4500 degrees. i'm souppoused to have a triangle a hexagon an octagon and a rectangleall that adds up ...

*February 11, 2008*

**math**

-8.25 thanks!

*October 1, 2007*

**math**

what is c equal to 4(1.5c + 6) - 2c = -9

*October 1, 2007*

**science**

How was the planet Jupiter made? It is not known. (Broken Link Removed) While it's true thre are mysteries (and the site given above is 6 years old) the following site may help you to get the assignment done. http://juno.wisc.edu/science_history.html

*May 28, 2007*

**Algebra I**

16y^{2}-40y+? I really need to figure out what the question mark is, but I am so confused. You are probably studying completing the square. Study the result of something like (5x-6)^2 the result is 25x^2 - 60x + 36 notice if you take the square roots of the first and last ...

*May 3, 2007*

**chem**

For the reaction 3NO2 + H2O 2HNO3 + NO, how many grams of HNO3 can form when 1.00 g of NO2 and 2.25 g of H2O are allowed to react? This is a limiting reagent problem. 1. Write the equation. You have done that and it is balanced. 2. Convert 1.00 g NO2 and 2.25 g H2O to ...

*February 28, 2007*

**Math-approximation with fractions:7th grade math**

oh i think i have that same ? i have this paper that a teacher gave me ugggh its sooooooooo HARD!!!!!!!!!!!!!!!!!!!!!

*November 19, 2006*

**US History help**

when does a person or family become American? If you mean a United States citizen, either at birth (in the USA or abroad to at least one USA citizen parent), or when "naturalized" by having a certain period of legal residency, applying, passing an examination and ...

*September 4, 2005*