# Posts by Maria

Total # Posts: 2,003

**Mahiga**

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

**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 ...

**Glades academy**

The sum of twenty one and five times a number f is 61 total

**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 ...

**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.

**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

**Solving ratio problems**

Write three equivalent ratios for each? a). 2 : 1 = b). 32 : 4 = c). 27 : 15 = d) 10/3 =

**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?

**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 ...

**Social Studies Check my answers!**

Ms. Sue is trying to help us learn it and understand it, not help you cheat your way through school.

**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!

**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

**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.

**Math**

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

**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 ...

**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 ...

**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...

**algebra**

How long will it take for an investment to triple in value if it earns 11.75% compounded continuously?

**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

**English**

How to do the Calypso (from th odyssey book) GN page

**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?

**math**

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

**Business Consulting, Intro to Computers**

please help me

**maths**

thnx for the help

**Algebra**

-4(-3x+w)+6(-6w+2x)

**math**

i need help please...what is 5,602 minus 2,344 estimated

**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

**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?

**Literature**

WHEN GREEK MEETS GREEK Samuel Selvon (1923-1984)

**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!

**math**

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

**Tech**

wrong, B D then A

**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?

**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

**statistics**

WITH A SCIENTIFIC CALCULATOR JUST ENTER THE BELOW NUMBERS: 9!=362,880 OR MULTIPLY: 9*8*7*6*5*4*3*2*1=362,880 The probability is 1/362,889

**Math 1 Algebra**

What is 2p+4x=8 solve for x?

**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 ____ = ...

**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 ...

**algebra**

write a word phrase for the algebraic expression d+2

**management**

Quality at the source

**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

**Ap world history**

D. The Development of A Quickly Maturing Rice

**Science**

Hoy can i name the entire physical universe?

**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?

**math**

5y-3/5=4/5

**math**

A mile is 5,280 feet.between which two integers is the elevation in mile?

**english**

It suggests some rights are more important than others.

**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: ...

**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 ...

**algebra**

what is -4^4 thank you!

**HELPPPP! ELECTRONICS**

I think its C

**BUSINESS CONSULTING**

i need help with this one

**algebra**

I think it is: (-5)(-5)(-5)

**algebra**

write the following using exponents: -5-5-5

**math**

132 to 89

**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.

**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?

**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.

**english 2**

What is brainstorming? using a type of outline for drafting working together in groups to polish a piece of writing jotting down a list of possible ideas for a topic making an illustration or map of a place for ideas

**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.

**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.

**Math**

thanks!

**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?

**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

**Math**

Thanks, that makes sense!

**Math**

Find the 100th place to the right of the decimal point in the decimal expansion of 1/13.

**help please**

Is the right answer A

**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 ...

**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 ...

**civics**

It is constitutional rights

**civics**

rights sorry!

**civics**

What do you mean by constitutional "rents"?

**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!"...

**Civics**

can you please let me know if that answer is correct?

**Civics**

Form a special interest group

**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 ...

**civics**

Is it C.?

**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 ...

**Civics**

thank you

**Civics**

How about answer A

**Civics**

Ellected officials will allow members of special interest group to speak at senate hearings

**Civics**

I think C is the correct answer

**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&#...

**civics**

paying income tax

**civics**

the idea that liberty is very important

**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 ...

**Civics**

Candidate A will be in favor of government funded health care. Candidate B would would probably be opposed to it.

**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 ...

**english**

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

**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?

**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?

**Math**

Thanks!

**Math**

Count the number of ways to award first place to third place to the top three groups in an engineering competition.

**Calculus**

Critical value of 16x-2x^2

**Calculus**

Critical calie of 16x-2x^2

**LA The Ninny Help & Check answers please**

That girl is 100% right

**Physics**

Thanks, but can you show procedure?

**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...

**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?

**Physics**

Thank you so much Henry!