Saturday
February 13, 2016

Posts by maria

Total # Posts: 1,763

Geography
It is actually the first second, and third not the last, thanks anyway.
February 10, 2016

Geography
It was a typo, sorry.
February 10, 2016

Geography
*East Asia
February 10, 2016

Geography
Could someone please help, please?
February 10, 2016

Geography
which question would best help you analyze the population density of north korea? You have to choose 3 correct answers. How many square miles does East Asia covers? <--- Which region of North Korea has the best geography for farming? What is the population of North Korea&#...
February 10, 2016

Chemistry
Calculate the concentration of H+ ions of an aqueous solution of nitrous acid ( HNO2) to 0.02 mol/L knowing that the degree of ionization of acid is 3%
January 20, 2016

Physics
A 40kg mass hangs from two cables. One cable is at a 25 degree angle. The other cable is horizontally attatched to the mass. Find the tension for each cable
January 14, 2016

Math
George bought some CDs at his local store. He paid $15.95 for each CD. Nora bout the same number of CDs from a store online. She paid $13.95 for each CD, but had to pay $8 for shipping. In the end, both George and Nora spent the exact same amount of money buying their CDs! How...
January 13, 2016

math
9:21 :) Have a good day! Happy New year!
January 12, 2016

English
What literary device is most strongly represented in the following line from “Beowulf?” “Follower and the strongest of the Geats” A. Alliteration B. Hyperbole C. Kenning D. Caesura
January 12, 2016

PHYSICS
No, it cannot.
January 12, 2016

Pre Calc
Solve 0=e^3x-9e^2x+20e^x
December 18, 2015

physics
A team of dogs drags a 81.2 kg sled 3.12 km over a horizontal surface at a constant speed.The coefficient of friction between the sled and the snow is 0.172. The acceleration of gravity is 9.8 m/s^2 Find the work done by the dogs. Answer in units of kJ.
December 9, 2015

Algebra
A rectangular yard measuring 25ft by 35ft is bordered (and surrounded) by a fence. Inside, a walk that is 2ft wide goes all the way along the fence. Find the area of this walk. Be sure to include the correct unit in your answer.
December 8, 2015

Mahiga
a sample of 0.5g gaseous alkane occupies a volume of 200cm3 at STP,find molar Mass
December 7, 2015

physics
A 48-kg girl stands on a 8-kg wagon holding two 19.5-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 9.0 m/s relative to herself. - Assuming that the wagon was at rest initially, what is the speed of the girl after she throws both ...
December 5, 2015

Glades academy
The sum of twenty one and five times a number f is 61 total
December 2, 2015

Chemistry
112.00g of nitrogen gas is reacted with an excess or abundant amount of oxygen gas. The single product, a gas, is determined to have a mass of 431.92 g. Additional experiments showed that the product consisted of 2.0 moles. a) how many grams of oxygen reacted? b) what percent ...
December 2, 2015

social studies
What is social studies?social studies is when you learn about your history and they tell you what happen back then when a lot of us wasn't born and then they tell you to do your warm up.
November 30, 2015

math
What is temperature when you do math. In seventh grade math is hard and I don't understand what my teachers tell me they say that it is easy but i don't think it is i need a lot of help during math it used to be my favorite subject but now its not
November 30, 2015

Solving ratio problems
Write three equivalent ratios for each? a). 2 : 1 = b). 32 : 4 = c). 27 : 15 = d) 10/3 =
November 29, 2015

science
A person drive an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a velocity of 30 meters per second. The difference in the automobile's kinetic energy is how many joules?
November 18, 2015

Algebra 2
Can someone help me with this equation please? The directions are: Write an equation for the line in point/slope form and slope/intercept form that has the given condition. And the problem is: x-intercept = 6 and y-intercept = -8 I'm confused though I thought you needed ...
November 16, 2015

Maths
Show that (x + 1)(x – 3)(x – 4) = x3 – 6x2 + 5x + 12 I'm so sorry but I can't show any working for this as I don't have a clue how to factorise when there are no common letters and numbers? Thanks!
November 12, 2015

physics
It continues to fly along the same horizontal arc but increases its speed at the rate of 1.41 m/s.Find the magnitude of acceleration under these new conditions. Answer in units of m/s
November 11, 2015

math
A group of people were asked if they had run a red light in the last year. 325 responded "yes", and 294 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year.
November 8, 2015

Math
Claudia is celebrating her birthday 18th. A year have 12 months. About haw many months lived Claudia in 18 years?.
November 8, 2015

Science Ms. Sue Please
1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood ...
November 5, 2015

Science
1. The human endocrine system is made up of which of the following structures? (1 point) vessels receptors glands * chambers 2. Which of the following best describes the function of the endocrine system? (1 point) It secretes chemical messengers that travel through the blood ...
November 5, 2015

Maths
Sketch the curve with equation y = (x -1)³ - 4(x - 1) It's not really the sketching which is the problem but more working out where the graph crosses the x-axis and y-axis? I can see that it crosses the x-axis at 1 but am clueless as to the other two parts at which it...
October 30, 2015

alegbra
How long will it take for an investment to triple in value if it earns 11.75% compounded continuously?
October 28, 2015

savannah tech
Jessica need 74,000 in 6 years to buy a car how much she need to save every month she get 6% interest so how much without the interest
October 25, 2015

English
How to do the Calypso (from th odyssey book) GN page
October 24, 2015

Math
a pet store has 4 dogs for sale. they have three times as many fish for sale, twice as many birds for sale, and half as many cats for sale. How many total animals are for sale?
October 22, 2015

math
Factoring Algebra expression using the Distributive Property and factor out 3 3w + 18 3 x 6= 3w 3 (9+ 9) 3x 6= 18
October 21, 2015

Algebra
-4(-3x+w)+6(-6w+2x)
October 14, 2015

math
i need help please...what is 5,602 minus 2,344 estimated
October 11, 2015

Chemistry RUSH, Please
1) How many grams of CH4 (MM = 16.043) are needed to react with 50.0g of CL2 (MM=70.91)? 2) What is the molarity of a solution prepared by dissolving 20.0 g of methanol, CH3OH, oara sufficient water to prepare 500 mL of solution? Show calculations
October 8, 2015

bio statistics question!
Does P(x) = x/5, where x can take values of 0, 1, 2, 3, describe a probability distribution? Would the answer be no because when x is 1, 2, or 3 the values become 0.2, 0.4, and 0.6. But in probability distribution the values have to be between 0 and 1?
October 5, 2015

Chemistry
With relation to Avogadro's Constant: How many hydrogen ions are present in 3 moles of dilute sulphuric acid? As sulphuric acid is H2SO4, I'm not sure whether the answer is: 2 x 6 x 10(23) = 1.2 x 10(24) OR 6 x 6 x 10(23) = 3.6 x 10(24) Thank you!
October 4, 2015

math
bret divided 3 1/2 by a number and got 4 1/2.what number did he divide by?
October 1, 2015

math
The weight of box A is 4/5 of box B. If box B is placed on one side of a balance scale, it is balanced by box A and a 4/5 pound weight. How much does box B weigh?
September 30, 2015

Math
balace scale, it is balance by box a and a 4/5 pound weight. How much does box b weight .8 (12.8oz)1/5 B
September 30, 2015

Math 1 Algebra
What is 2p+4x=8 solve for x?
September 25, 2015

math homework
9. Jonathan and his band want to record and sell CDs. The recording studio charges an initial set-up fee of $250, and it charges $6.00 to burn each CD. a. Define the variables in this situation: • Let ____ = __________________________ • Let ____ = ...
September 23, 2015

Economics
Assume that the manufacturing of plastic (PVC) windows is a perfectly competitive industry. The market demand for plastic windows is described by a linear demand function: Q = (6000 -50P)/9. There are 50 manufacturers of plastic windows. Each manufacturer has the same ...
September 22, 2015

algebra
write a word phrase for the algebraic expression d+2
September 21, 2015

math
Which expression represents the largest number? A. 40.1 3 1026 B. 4.1 3 1027 C. 0.411 3 1026 D. 0.04001 3 1025
September 17, 2015

Science
Hoy can i name the entire physical universe?
September 15, 2015

math
The number of my hundreds plus the number of y thousands is 3.the number of my tens is 7 times the number of my hundreds.the number of my ones in 3 times the number of my thousands.all my digits are different.What number am i?
September 12, 2015

math
5y-3/5=4/5
September 7, 2015

spanish
Go back to the lesson and read. I'm doing the test and it's pretty simple just saying. You probably didn't even read the lesson.
September 7, 2015

Math
The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be poured? math: ...
August 29, 2015

NOVEL
What does the word mimetic tell us about the difference between novels and most of the literature of the 1800s? A. Novels were unique in trying to imitate real life. B. The authors were new and unknown. C. Novels presented common things in new ways. D. Novels present fantasy ...
August 27, 2015

algebra
what is -4^4 thank you!
August 26, 2015

HELPPPP! ELECTRONICS
I think its C
August 26, 2015

algebra
I think it is: (-5)(-5)(-5)
August 18, 2015

algebra
write the following using exponents: -5-5-5
August 18, 2015

math
132 to 89
August 17, 2015

physics
Two blocks of masses is m and 2m are held in the equilibrium on a frictionless incline. In terms of m and x, find the magnitude of the tension t1 in the upper cord and the magnitude of the tension t2 in the lower cord connecting two blocks.
August 11, 2015

Statistics
About how many participants are needed for 80% power in each of the following planned studies that will use a t test for dependent means with p<.05?
July 27, 2015

Personal Finance
Assume that you are 23 years old and that you place $3,000 year-end deposits each year into a stock index fund that earns an average of 9.5% per year for the next 17 years. how much money will be in the account at the end of 17 years.
July 17, 2015

Chemistry
A student collected the following data for a fixed volume of gas: Temperature (C) Pressure (mm of hg) 10 726 20 750 40 800 70 880 100 960 150 ??? Fill in the missing data point. Show all calculations leading to an answer.
July 13, 2015

vacunero sto. domingo
a 50 kg wagon is at rest on a rough surface.The coefficient of sliding friction is 0.85.How much force is needed to start moving the wagon.
July 2, 2015

Math
thanks!
May 30, 2015

Math
Find the 100th term in the sequence 77, 71, 65, 59 How do you go about doing this question without the need to list them all out?
May 30, 2015

Math
What is the units digit of 7^42 . I know I can just plug it in a calculator, but what is a faster way
May 30, 2015

Math
Thanks, that makes sense!
May 30, 2015

Math
Find the 100th place to the right of the decimal point in the decimal expansion of 1/13.
May 30, 2015

help please
Is the right answer A
May 30, 2015

help please
here is a public debate between the three candidates for the U.S. Senate. During the debate, the topics of oil and energy are addressed. Each candidate expressed their view on the issue: Edgar Eisenhower: "We need to cut our dependence on foreign oil. Instead, let's ...
May 30, 2015

Civics
If all counties in Florida had used the same procedures for recounting votes in the 2000 presidential election, then how might that have affected the outcome of Bush v. Gore? A. The ruling may have changed because the procedure that most of the counties used was ...
May 30, 2015

civics
It is constitutional rights
May 30, 2015

civics
rights sorry!
May 30, 2015

civics
What do you mean by constitutional "rents"?
May 30, 2015

civics
The First Amendment to the Constitution protects freedom of speech and of the press. Which of the following examples best demonstrates the constitutional rents? A. An advertisement contains incorrect information about a company's products. B. A man yells, "Fire!"...
May 30, 2015

Civics
can you please let me know if that answer is correct?
May 30, 2015

Civics
Form a special interest group
May 30, 2015

Civics
John knows many people who feel that small business need more support from the government. They support tax break and other benefits for small business owners. Which of the following best describes the most effective type of action these people could follow? A. attack the ...
May 30, 2015

civics
Is it C.?
May 30, 2015

civics
jill, the editor of the school newspaper, is running for class president. Her opponent is Jack, the captain of the school's ski club. Jill decides to make up a story to embarrass Jack and hurt his chances of wining the election. Would Jill's story be a protected form ...
May 30, 2015

Civics
thank you
May 30, 2015

Civics
How about answer A
May 30, 2015

Civics
Ellected officials will allow members of special interest group to speak at senate hearings
May 30, 2015

Civics
I think C is the correct answer
May 30, 2015

Civics
Rick wants to support a bill that is about to be voted on in his state's legislature. How might Rick more effectively support the bill as a member of a special interest group? A. Rick's vote in the upcoming elections will count for more than it would have if he wasn&#...
May 30, 2015

civics
paying income tax
May 30, 2015

civics
the idea that liberty is very important
May 30, 2015

civics
Libertarians believe that individual liberty is very important.They believe that people have the right to engage in any activity that is peaceful and honest. They also support a limited government and elimination of income tax. On which of the following issues would Democrats ...
May 30, 2015

Civics
Candidate A will be in favor of government funded health care. Candidate B would would probably be opposed to it.
May 30, 2015

Civics
Two candidates are running for office in the state senate. During a debate, the candidates say the following: Candidate A: "People are responsible for one another. We will all benefit if everyone gives their fair share. My opponent, Candidate B, doesn’t really care ...
May 30, 2015

english
The Palau Islands are located in the North Pacific Ocean, where old coral reefs rose above the sea. Which is the adverb clause?
May 28, 2015

Math
An oil company in Houston, Texas is hiring a geologist. The company interviewed 16 candidates. After the interviews, they ranked the top 5 candidates from first to 5th. How many lists can be formed?
May 17, 2015

Math
Five cards are dealt from a deck of 24 cards to form a euchre hand. Is this a combination or permutation? 4 actors are chosen To play the Beatles in a film. Is this combination or permutation?
May 17, 2015

Math
Thanks!
May 17, 2015

Math
Count the number of ways to award first place to third place to the top three groups in an engineering competition.
May 17, 2015

Physics
Thanks, but can you show procedure?
May 3, 2015

Physics
Consider two students, a 65 kg guy and a 50 kg girl who are attracted to each other, gravitationally, that is. They sit next to each other in Physics class which means there is 1.5m between their centers. What is the magnitude of the force of gravity between these two students...
May 3, 2015

check pls
Grayson is designing a rectangular athletic field. On his scale drawing. the vertices of the rectangle are (4,5), (9,10), and (9,5). What are the coordinates of the fourth vertex? A. (4,9) B. (4,10) C. (5,10) D. (5,9) I think it's A. (4,9) Am i right?
April 30, 2015

Physics
Thank you so much Henry!
April 30, 2015

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