Saturday

February 28, 2015

February 28, 2015

Total # Posts: 2,772

**math**

Solve the quadratic equation. 3x^2 - 15x + 18 = 0
*November 5, 2009*

**Physics**

When a falling meteor is at a distance above the Earth's surface of 2.78 times the Earth's radius, what is its free-fall acceleration caused by the gravitational force exerted on it?
*November 3, 2009*

**Physics**

So static: 0.73 and kinetic: 0.57, thanks!
*November 3, 2009*

**7th grade math**

-8
*November 2, 2009*

**alegebra 1**

how do you Find the slope of graphs and linear equations??? like (3,5) and(2,-2) how do i solve that
*October 31, 2009*

**Physics College**

Experiment in this week (week 8) is to study rotational dynamics. Consider a stainless steel annular disk with an outer radius 63 mm and inner radius 7.4 mm. The mass of the disk is 1340 grams. Keep your answers to at least 4 significant digits. (a) What is the moment of ...
*October 29, 2009*

**Geometry**

Since line EF is parallel to line GH, angle 1 = angle 2. Since line FG is parallet to line HE, angle 3 = angle 4. Give reasons to support your answers.
*October 26, 2009*

**algebra**

Write an equation of the line containing the given point and parallel to the given line. (8,-4); 6x-5y=2?
*October 23, 2009*

**math**

A small can of juice contains 16 fl oz. A large can has twice the base circumference of the first. How much juice is in the large can if both cans are right circular cylinders and the second can is similar to the first?
*October 22, 2009*

**SAT essay**

Thank you so much!
*October 22, 2009*

**SAT essay**

How can i improve this essay?
*October 22, 2009*

**SAT essay**

Please scores my essay Thanks so much!!! Assignment: Do newspapers, magazines, television, radio, movies, the Internet, and other media determine what is important to most people? In modern society, people gain most of their information through the media, such as the newspaper...
*October 22, 2009*

**calculus**

The region between the graphs of y=x^2 and y=2x is rotated around the line x=2. The volume of the resulting solid is ____. Please help. I've tried this problem so many times but i keep getting it wrong. I thought the outer radius would be (2-0) and inner radius is (2-x^2) ...
*October 20, 2009*

**calculus**

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=1/x^4, y=0, x=2, x=9; about y=–5
*October 20, 2009*

**chemistry**

A student decided to extract aspirin from a tablet. After the alumina filtration step, he stopped the experiment for a week. then he evaporated the methanol and completed the procedure. the melting point of his recovered material was 120-145 degrees Celsius. what does this ...
*October 17, 2009*

**college social studies**

"The Star Spangeled Banner" was Francis Scott Key's ode to the troops fighting in...? a.Boston, Mass b.Savannah, GA c.Washinton D.C d.Baltimore, Maryland e.New York City
*October 13, 2009*

**Last physics question for the night **

A 18000kg airplane lands with a speed of 77 m/s on a stationary aircraft carrier deck that is 115 m long. Find the work done by nonconservative forces in stopping the plane. How do i do this?
*October 12, 2009*

**Physics university **

In a tennis match, a player wins a point by hitting the ball sharply to the ground on the opponent's side of the net. If the ball bounces upward from the ground with a speed of 17 m/s , and is caught by a fan in the stands with a speed of 12 m/s , how high above the court ...
*October 12, 2009*

**science**

Nikki lives near the deepest ocean trench in the world. What country does she live in?
*October 12, 2009*

**US History**

What lasting effects resulted from the Hartford Convention?
*October 11, 2009*

**math**

How many games are played in a soccer competition if there are 7 teams and all teams play each other twice?
*October 11, 2009*

**physics**

Just plug in the numbers likewise: N= mg/ cos (theda) That will give you your answer!
*October 10, 2009*

**US History**

I have had a hard time finding the results of the European Wars of the 1790's. I searched about 10 different wordings and such and would much appreciate a bit of help.
*October 8, 2009*

**US History**

In the United States what is the importance of the separation of church and state?
*October 8, 2009*

**math**

If it has been determined that the probability of an earthquake occurring on a certain day in a certain area is 0.05, what are the odds against an earthquake
*October 8, 2009*

**history**

is this an appropritate answer? -The Sioux people were among the largest most adaptive of all Indian nations. Buffalo played a major role into their culture. Buffalo hide meant food and clothing for this tribe and many other needs as well. Therefore, the slaughter of buffalo ...
*October 4, 2009*

**history**

How did the incorporation of western territories into the United States affect Indian nations such as the Sioux or the Nez Pierce?
*October 4, 2009*

**Physics**

a pilot must fly a destination 520 km away in a direction of N30 degree E. The air speed of the plane is 320Km and the wind speed is 85 km/h E20 degree Suth. Find the heading of the plane and the time for the trop.
*October 4, 2009*

**Chemistry**

I am sooo confused on how to solve this problem, can anyone help me understand? calculate the pH of 0.10 M HCI solution?
*October 1, 2009*

**science**

the unchanged ''standard'' against which the effects of changed or unknown factors can be measured
*September 30, 2009*

**writing**

I need help with my current event.
*September 30, 2009*

**Physiical science**

after a community is by a large-scale event, such as a forest fire,a new community is established through the process of what
*September 29, 2009*

**chemistry**

how can spectra be used in chemical analysis?
*September 27, 2009*

**English**

How do the charaters in dracula differ in their view of love?
*September 27, 2009*

**Grade 8 Geography**

For my assignment it says to flip through National Geographic Magazines and find examples of remarkable physical or cultural geography. So what am I looking for? (What is physical and cultural geography?)
*September 25, 2009*

**Grade 8 geography**

In my atlas it says the largest european city is Moscow. But when you look for Moscow it is un Russia. Russia is a county of Asia. I am confused!
*September 25, 2009*

**Geography (grade 8)**

In my atlas, it lists Caspian Sea as a lake. I'm confused
*September 25, 2009*

**Reply to teacher**

Where are you getting 2/3 from????
*September 25, 2009*

**Grade 8 math urgent**

Gervais ate 1/3 of a aguette with his dinner. Chantel ate 1/4 of the leftover bagette as an evening snack. What fraction of the baguette did Chantel eat as a snack. My answer is 1/12. Am I correct?
*September 25, 2009*

**Grade 8 math urgent**

The question is : Jason took 3/8 of his savings on a shopping trip. He used 1/4 of the money to buy a new coat. What fraction of his savings did he spend on the coat? My answer is 3/28. Am I correct?
*September 25, 2009*

**Math**

100 milligrams = kilograms how many, I need answer
*September 25, 2009*

**math**

A calculator requires a keystroke assembly and a logic circuit. Assume that 83% of the keystroke assemblies and 92% of the logic circuits are satisfactory. Find the probability that a finished calculator will be satisfactory. Assume independence of keystroke assemblies and ...
*September 24, 2009*

**Math**

The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers.
*September 24, 2009*

**Math [urgent]**

1. The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers. ~~~~~~ 2. Two friends live 15 miles apart. One day they decide to jog and meet each other. Tanya ...
*September 24, 2009*

**Math _Algebra Word Problem**

i need help in something
*September 23, 2009*

**Biology**

Can you please describe the properties of water that account for its importance to living things? Thanks!
*September 21, 2009*

**math**

If a single letter is drawn from the set( matheics) what is the probability that the letter drawn is a member of the set (math)
*September 20, 2009*

**Chemistry**

I can not determine the answer for this problem...can someone please help me? Determine the number if moles of MgO that form from the reaction of 4.4 moles of O2 in the following unbalanced reaction: Mg + O2 ----> MgO The balanced equation is: 2Mg + O2 -----> 2MgO a. 1.1...
*September 10, 2009*

**medical coding**

In the mcc213 health reimbursement class I need to know the pros and cons of treating patients with governmental insurance plans in a facility
*September 10, 2009*

**Geometry**

thank you for some reason I was thinking it was 30-r
*September 3, 2009*

**Geometry**

The product of two numbers is 30. One of the numbers is r. What is the other number?
*September 3, 2009*

**SCI/230**

Describe biological interrelationships among the life forms in Mana's Wildlife Sancutary in India.
*September 3, 2009*

**the crusades**

thanks
*September 2, 2009*

**the crusades**

i need some links on primary resources on saladin, the muslim leader. think ya can help?
*September 2, 2009*

**math**

A baker needs between 40 pounds and 50 pounds of a flour-sugar mixture that contains ten times as much flour as sugar. What are the possible weights of flour the baker can use?
*August 30, 2009*

**9th grade**

what are the 2 driving forces of natural selection?
*August 30, 2009*

**HCA 220**

How are blood clotting,immune response,allergic reaction and hormone release interrelated?
*August 30, 2009*

**ext english**

i had to make a poster about othello which was fine but after that we have to write a 1-2 page critique about it. i know to talk about why i used certain things and if it works or not. but i don't know how to start it of and how to put the ideas together
*August 30, 2009*

**geometry**

hello tulog ka ba?
*August 26, 2009*

**geometry**

This is what I did 2(x+12)= 2(5x+6) 2x+24+10x+12 12x=60 x=5 If not correct cn u give me the right one?...tnx
*August 26, 2009*

**geometry**

my answer is x=5 is it correct?
*August 26, 2009*

**geometry**

Two consecutive angles of a parallelogram have measures 2(x+12) and 2(5x+6) respectively. Find the measures of the angles.
*August 26, 2009*

**geometry**

Two consecutive angles of a parallelogram have measures 4(x+5) and 2(3x+20) respectively. Find the measures of the angles
*August 26, 2009*

**Math **

This really is hard i have this answer in the saxon book for 7th grade . Hahaha . Can you tell me the answer to?
*August 25, 2009*

**8th grade**

why are handcuffs like souvenirs
*August 25, 2009*

**science**

16celsius=______farenheit how do i convert this using C=5/9(F-32) or F=9/5(C+32)
*August 20, 2009*

**math**

thank you so much
*August 19, 2009*

**math**

Brian O'Reilly earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are $150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor? Use a Chart.
*August 19, 2009*

**math**

The upper Angel Falls, the highest waterfall on Earth, is 750m higher than Niagara Falls. If each of the falls were 7m lower, the upper Angel Falls would be 16 times as high as Niagara Falls. How high is each waterfall? Use a chart.
*August 19, 2009*

**math**

one serving(.5 cup) of cooked peas contains 45 more calories than one serving of cooked carrots and 50 more calories than one serving of green beans. If one serving og carrots and three servings of green beans contain the same number pf calories as one serving of peas, how ...
*August 19, 2009*

**english**

same here
*August 19, 2009*

**chemistry**

A hydrocarbon sample was burned in a bomb calorimeter. The temperature of the calorimeter and the 1.00 kg of water rose from 20.45°C to 23.65°C. The heat capacity of the calorimeter, excluding the water, is 2.21 kJ/°C. determine the heat released by the combustion.
*August 15, 2009*

**NEED THIS URGENTLY SCIENCE.**

Sra, i couldnt find an answer to: How do astronauts fix parts of their station (Please Help me Someone!)
*August 14, 2009*

**Science HELLLP!!**

How do astronauts fix parts in space?
*August 14, 2009*

**Science**

How do astronauts fix things in a space station?
*August 14, 2009*

**math**

Suppose that an experiment has five separate mutually exclusive outcomes: A, B, C, D, and E. If the sample space for the experiment is a uniform sample space, what is p (a or e)
*August 11, 2009*

**math**

If a single letter is drawn from the set {m, a, t, h, e, i, c, s} what is the probability that the letter drawn is a member of the set {m, a, t, h}?
*August 11, 2009*

**calculus**

Integrate: (The Sq. Root Of x-2)/x+1 dx Let u= (Sq. Root Of x-2)
*August 10, 2009*

**math**

Suppose that a newspaper published the following in a boxed corner of the want ads section: Should handgun control be abolished? You can call the shots if you participate in our poll tonight. If yes, call 1-900-For-Guns. If no, call 1-900-Ban-Guns. You will be charged 50¢...
*August 7, 2009*

**math**

Over 60% of the people who fly to Normal, Illinois, do so on American Airlines. Hence, most people prefer American to any other airline. describe the misuse or misinterpretation of statistics that may be involved.
*August 7, 2009*

**Math 156**

1)Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning ticket is to be $500, what are your expected winnings? I'm assuming the answer for this one is $0.00 2)A basketball player with a free throw shooting percentage of 60% gets...
*August 7, 2009*

**math**

Averageville is considering levying a flat tax on its citizens. To get an idea of the amount of revenue this tax would raise, the city council instructed the city staff to make a census of households to determine the “average” household income. The city accountant ...
*August 5, 2009*

**math**

not sure what u mean
*August 5, 2009*

**math**

Suppose that a newspaper published the following in a boxed corner of the want ads section: Should handgun control be abolished? You can call the shots if you participate in our poll tonight. If yes, call 1-900-For-Guns. If no, call 1-900-Ban-Guns. You will be charged 50¢...
*August 5, 2009*

**Algebra**

I got 0 for the y-intercept why -3??? and The vertical asymptotes are x = -2, x = 2 ????
*August 4, 2009*

**Algebra**

Yes I will need the practice without a doubt! Now you say the The horizontal asymptote is y = 0 What about the the y-intercept and the vertical asymptote(s)?
*August 4, 2009*

**Algebra**

Let f(x) = (x)/(x^2-4) (a) State the y-intercept. (b) State the vertical asymptote(s). (c) State the horizontal asymptote.
*August 4, 2009*

**Algebra Help**

Please solve and check all proposed solutions. Show work for solving and checking: (x-2)/(x-1) + (2)/(x^2-1) = 0
*August 3, 2009*

**managerial accounting**

Question 1 Based on the company's 10-K/A filing with the SEC, JetBlue's strategy for success is product leadership with customer value proposition. As a matter of fact, this is JetBlue's core strategy, "provides high-quality customer service at low fares ...
*July 27, 2009*

**Algebra**

Thanks I found it.
*July 21, 2009*

**Algebra**

Simplify the expression. Assume all variables represent nonzero real numbers. -10b^5c^9/2b^5c^3 sorry I had posted in wrong session.
*July 21, 2009*

**algebra**

Simplify the expression. Assume all variables represent nonzero real numbers. -10b^5c^9/2b^5c^3
*July 21, 2009*

**algebra**

Find the prime factorization for the integer 121 this is what I think as far as I go 11x11 am I right?
*July 21, 2009*

**algebra**

Factor the polynomial completely 3m^2 -75 This is how I started to work it out. (3m-23)(m-5)
*July 21, 2009*

**Algebra**

Factor the polynomial completely. t^2 + 20t +100
*July 21, 2009*

**algebra**

Factor each polynomial by factoring out the GCF. 2a^2 - 4ab^2 -ab
*July 21, 2009*

**algebra**

Complete the factorization of the binomial 7x^2 +x =x( )
*July 21, 2009*

**chemistry**

Kc = [Na+][Cl-]/[NaCl(s)] The above equation contains the concentration of NaCl in solid NaCl. This concentration is related to the density of solid NaCl and its molar mass. Since the density of NaCl or of any pure solid or pure liquid does not vary with the extent of a ...
*July 21, 2009*

**algebra**

Find solution to equation X^2+x+ãx^2+x-2 =0 Note; square root is x^2+x-2
*July 21, 2009*

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