# Posts by mariah

Total # Posts: 247

**Statistics**

For df = 25, determine the value of A that corresponds to each of the following probabilites: a. P(t >- A)= 0.025 b. P(t <- A)= 0.10 c. P(-A <- t <- A)=0.99

**Statistics**

From past experience, an airline has found the luggage weight for individual air travelers on its trans-Atlantic route to have a mean of 80 pounds and a standard deviation of 20 pounds. The plane is consistently fully booked and holds 100 passengers. The pilot insists on ...

**6th grade math**

cut each piece into 3s

**physics**

A jumbo jet must reach a speed of 360 km/h on the runway for takeoff. What is the least constant acceleration needed for takeoff from a 1.80 km runway?

**chemistry**

how many grams of solid NaOH are required to prepare 200.0 mL of a .050 M solution?

**Biochemistry**

what molar mass are you supposed to find?

**7th grade math**

got it thank you

**7th grade math**

how did you get the answer

**7th grade math**

alan,bonnie and calvinshared 153 marbles alan gets 3 times as miny as bonnie and calvin gets 6 more than alan .how miny marbles does each person get

**pre-calc**

for f(x)=2^x is f(x) an increasing function.?

**pre-calc**

for f(x)=2^x is f(x) an increasing function.?

**literature**

100% once again! Thanks too ya'll :)

**math**

its the end of the lion

**math**

The average of x and y is 5 and the average of x,y, and z is 8. What is the value of z? a. 19 b. 14 c. 13 D. 11 e. 3 I know that the average of 7 and 3 is 5 (if 7 and 3 are x and y) but I don't know what z is.

**7th grade**

WHAT DOES CONTRASTING ELEMENTS MEAN?

**geometry**

the intersection of two line is a ____?

**Literature-Poetry**

Ashley is right! And so is Country girl! 100% the only one i missed was 5 and that's because I accidentally put A instead of C

**math**

Thank you Paula :)

**math**

I was just thinking maybe I didn't state the question correctly. I wasn't trying to irritate anyone and I don't appreciate being scolded for that.

**math**

I'm sorry to keep asking, but I really need help finding this windows. Usually I put the x and y values as 10 and -10, but with the numbers I don't know how to do it. Is there any way they can be automatically put into the calculator?

**math**

Can someone please help me with my previous question? I'm not sure what window to use for the equation I previously wrote.

**math**

How would I find the right window to graph a parabola in? The equation is -8874.6x+113537.2 My teacher said that if the parabola should be tight. But I can't seem to graph this equation. I don't know window I should use on my graphic calculator for this equation.

**Lit**

I have read the book, and I wasn't sure. In the end Henry is a man, so wouldn't the author think war is good? How does the author say it's bad?

**Lit**

Using only Stephen Crane's novel, the Red Badge of Courage, explain how he felt about war. Didn't he like it because it was glorious and it made boys turn into men?

**Social Studies**

I am working on the same crossword, but we don't have a book only notes. I found that colonists sent to the americas by judges were debtors, and he sent "royal" governor. But i also cant find the sole right to trade in an area, a colony leader representatives who...

**Math**

28

**science**

if yoy had 1.5 liters of water, how many millilters woud you have?

**Economics**

Do all firms in all market structures have anything in common? I think not. They all consist of buyers and sellers. In Principals of Microeconomics courses, economists make several general economic assumptions (perhaps incorrectly I might add) about firms and the behavior of ...

**Economic**

Suppose that labor is the only input used by a perfectly competitive firm that can hire workers for $50 per day. The firm’s production function is as follows: Days of Labor/Units of Output: 0/0, 1/7, 2/13, 3/19, 4/25, 5/28, 6/29, 7/29 c. Compute the demand schedule ...

**Economics**

6. Show the effect of each of the following events on the market for labor in the computer manufacturing industry. Use graphs. a. Congress buys personal computers for all American college students. Wouldn't the demand curve shift to the right while the supply curve stays ...

**Economics**

3. Suppose the Clean Springs Water Company has a monopoly on bottled water sales in California. If the price of tap water increases, what is the change in Clean Springs' profit-maximizing level of output, price, and profit? Explain in words and with a graph. I would think ...

**Music**

I heard that "Itsbynne Reel" features stylistic elements of rock and jazz (especially bebop), but I don't recall that this song had bebop elements, can anyone clarify? Yes, according to this article, bebop http://www.scaruffi.com/history/jazz17e.html "...

**Music**

Doesn't Louis Armstrong begins "West End Blues" with a stop time? You might try browsing these 2 links: http://www.google.com/search?as_q=Armstrong+%22stop+time%22+%22West+End+Blues%22+starts&hl=en&num=10&btnG=Google+Search&as_epq=&as_oq=&as_eq=&lr=&as_ft=i&...

**Economics**

10. An industry currently has 100 firms, all of which have fixed cost of $16 and average variable cost as follows: Quantity / Average variable cost: (1/$1),(2,$2), (3,$3), (4,$4), (5,$5), and (6,$6) b. The price is currently $10. What is the total quantity supplied in the ...

**Economic**

How is income distribution affected in monopolies? The market for fertilizer is perfectly competitive. Firms in the market are producing output, but they are currently making economic losses. a. How does the price of fertilizer compare to the average total cost, the average ...

**History**

What is western civilization? That usually refers to the civilization of Europe, and lands originally colonized by Europeans, such as the Americas and Australia.

**Music**

Did the Phantom of the Opera have a traditional orchestra without amplification? I thought that the Phantom of the Opera didn't ave a traditional orchestra without amplification is this correct? Did the Phantom of the Opera used successfully opera voices and more ...

**Economics**

Consider total cost and total revenue given in the following: (Quantity/Total Cost/Total Revenue): (0/8/0), (1/9/8), (2/10/16), (3/11/24), (4/13/32), (5/19/40), (6/27/48), (7/37/56) Can you tell whether this firm is in a competitive industry? If so, can you tell whether the ...

**Music**

Did Quincy Jones begin his career playing trumpet with Lionel Hampton? Yes. reference: http://www.rhino.com/store/ProductDetail.lasso?Number=74363 Thanks for the information.

**Economics**

1. Your roommate's long hours in chem lab finally paid off--she discovered a secret formula that lets people do an hour's worth of studying in 5 minutes. So far, she's sold 200 doses and faces the following average-total-cost schedule: Q = 199 & ATC = $199 Q = 200...

**Economics**

The chapter states that the elderly population in the United States is growing more rapidly than the total population. In particular, the number of workers is rising slowly, while the number of retirees is rising quickly. Concerned about the future of Social Security, some ...

**Economics**

The chapter states that the elderly population in the United States is growing more rapidly than the total population. In particular, the number of workers is rising slowly, while the number of retirees is rising quickly. Concerned about the future of Social Security, some ...

**Music**

What are rock ensembles? I went searching around the net to find out and all i came up with was the names of some really good rock bands. I'll try find out something useful but it might take a while =( An "ensemble" is a small group of musicians playing the same ...

**niagara falls**

what are the Physical Featuers of Niagara Falls? The important features are the height of the drop, the widths of the several sections, and the water flow rate. You can find data on these easily with a search engine. http://wonderclub.com/WorldWonders/NiagaraHistory.html The ...

**History**

Who is King Tut's father and where is his tomb. http://www.kingtutone.com/tutankhamun/life/ Fourth paragraph =)

**civic**

homework

**math (unit rate)**

i hate math whats the ratio of 270 mi in 5 h as a unit rate ??????