# Posts by tiffany

Total # Posts: 928

**chemistry**

would the method of spectrophotometry or redox titration be a more accurate?

**math**

wat is the answer for 5c+5d=?

**science 12 grade**

3.5 kilometers equals how many meters

**short stories**

An individuated character is one who? A. Has his or her own unique history and personality. B. Is a symbol for some characteristic C. is able to be identified with the audience D. has a series of epiphanies

**Practical English**

think you.

**Practical English**

sentence 1 i think

**Practical English**

What is the topic sentence in this paragraph? (1)A trip to the ocean can be a relaxing escape from the everyday pressure of life. (2)A sailboat glistening on the horizon provides a mental escape to faraway places. (3)the rhythm of the ocean beating against the sand is sedating...

**Math**

A square piece of cloth is folded in half to form a rectangle. If the resulting rectangle has a perimeter of 8 inches, what are the area and perimeter of the square piece of cloth?

**ALCOHOLIC BEVERAGES**

Actually 17. Kareem is correct

**chemistry. Chl my answers please!**

(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into NaTcO4? Tc + 7HNO3 = ...

**Chem. Could someone check my answer.**

(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into NaTcO4? Tc + 7HNO3 = ...

**History**

What were the stages of Greek political development? Were they the natural consequence of the evolution of human society?

**psy 230**

Wow. I'm so happy to find this. I had to do Google search for the majority of this class (we're only in week 3!) and we're already having problems! I've noticed the class is having problems with discussion questions and I thought I was the only one. This ...

**physics! please help**

the thing is. i don't know what to do witht the 50km cuz its different units from the 3km/hr and the 4km/hr

**physics! please help**

A long distance swimmer is able to swim through still water at 4km/hr. She wishes to swim from Port Angeles, WA due north to Victoria, B.C., a distance of 50km. An ocean current flows through the Strait of Juan de Fuca from west to east at 3km/hr. In what direction should she ...

**physics again.**

I cant find the acceleration needed to solve the problem. All i know is 200tons is equal to 200000kg. and I don't understand 2.5 degree grade. would it be 200000cos2.5 ... but then how do i get acceleration from there.

**physics again.**

A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?

**physics**

Two blocks, joined by a string, have masses of 6 and 9kg. They rest on frictionless horizontal surface. A 2nd string, attached only to the 9kg block, has a horizontal force = 30N applied to it. Both blocks accelerate. Find the tension in the string between the blocks.

**physics uncertainty**

experiment times: .15, .13, .16, .14, .15, .14, .15, .14 so i found the average to be .15 and the highest value was .16 the lowest value was .13 so what is the uncertainty? (in other words... .15 plus or minus what number?) please explain. thanks

**physics please help.**

how do you measure uncertainy?? for instance.. if the average was .15 and the highest value among the data was .16 and the lowest is .13... how do you find the +-??

**DRWLS**

the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why? I would say yes, the discrepancy is probably significant, because the measurements should agree to within less than ...

**physics**

can you explain what you mean by three standard deviations? thanks

**physics**

the estimate and uncertainty for experiment 1 is .15+-.01 and the .12+-.01 for experiment 2. Is the discrepancy between these two data sets significant? Why?

**math**

78x43+1

**Psychology**

i have a work sheet and i need help its psychology about neural communication

**Physics**

Consider a box in the back of a pickup truck. If the truck accelerates too rapidly, what happens to the box? Explain why this happens based on physical models.

**Calculus**

Find all points on the curve x^2y^2+2xy=3 where the slope of the tangent is -1. If there is more than one point, use a comma to separate each pair of coordinates

**chemistry**

URGENT!!! what is the chemical reaction of hyrodgen peroxide + NH3 ... The chemical formula and written formula!!

**Science--Chemistry**

URGENT!!! what is the chemical reaction of hyrodgen peroxide + NH3 ... The chemical formula and written formula!!

**math**

Write an equation of the line that passes through(6, -10) and is parallel to the line x = 5.

**Math word problem**

I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...

**IMPOSSIBLE ALGEBRA >:(**

I have this word problem that I can't figure out. The problem is: A 15 lb weight is positioned 10 in. form a fulcrum. At what distance from the fulcrum must a 12 lb weigt be positioned to keep the scale balanced? The substitute that I had today said that the 12 lb. weight ...

**Honors English**

If the librarian has archived any pictures or important clippings, where would you need to look to find them?

**Humanities**

Why were the goddesses important to early civilizations?

**english**

there were different bias and fallcies acts through-out this speech.

**science**

"Said to be solid as a rock, a joy to hold, and can help you see for miles?"

**Science**

Humidity is the amount of water vapor in the air at a given time. At warm temperatures, air can hold more moisture than it can at cold temperatures. Relative humidity is the amount of vapor the air is holding expressed as a percentage of the amount the air is capable of ...

**math**

3.671 _____ 3.67

**Introduction to Health Care**

what are the three issudes faced by aging population that are believed to be a problem

**Finance**

If the CORR between stock are as follows CORR(A,B)=.85 (A,C)=.60 (A,D)=.45 and expected return is 8% and standard deviation is 20% what would be the best portfolio and why?

**econ**

The FCC is planning to auction wireless spectrum rights, with the goal of maximizing the revenue that it receives from the auction. These rights will almost certainly be used to support wireless communications devices, such as cell phones, pagers, etc. The FCC hires your team ...

**econ**

The FCC is planning to auction wireless spectrum rights, with the goal of maximizing the revenue that it receives from the auction. These rights will almost certainly be used to support wireless communications devices, such as cell phones, pagers, etc. The FCC hires your team ...

**econ help**

I still don't understand how to calculate what the profit-maximizing tuition for full-time students? example when the cost for an additional unit is $125 and the part time students price elasticity is -2.5 and full time students is -1.8.

**Econ**

Consider the situation faced by a for-profit educational institution, such as the University of Phoenix. It has done an analysis of its costs of teaching lower-level business courses (introductory accounting, business law, and so on) in its Indianapolis facilities, and has ...

**finance**

dividend pays $2 risk free rate 4% expected return 14% price of shares 1 year from now $22 beta is 1.25 what is the market required rate of return?

**finance**

alpha of stock zero return on market 16% risk free rate 5% stock earns a return that exceeds risk free rate by 11% What is the Beta of the stock?

**english**

well, i'm not sure. There wasn't any true reason Paris needed die. is it to show Romeo's desperation and love he has for Juliet? or is Paris' death linked somehow to the prince - the prince was not involved in the feud yet he was affected too (Paris was related...

**english**

In Romeo and Juliet, what is the significance of the death of Paris in Act V, scene iii?

**Macroeconomics**

Peter Pundit, an economics reporter, states that the European Union (EU) is increasing its productivity very rapidly in all industries. He claims that this productivity advance is so rapid that output from the EU in these industries will soon exceed that of the United States ...

**Econ**

What kinds of information would you have needed to try to determine whether a company is a monopoly and why is this information important?

**Econ**

How do you calculate the Herfindahl- Hirschmann Index ?

**Math**

Purchased $10,000 in stock, invested $5000 of own money, borrowed remaining $5000 at 8% interest. Stock increases by 10%, what is the rate of the investor's return? I calculated 12%, is that correct?

**Math**

Thanks, I came up with the same answers except for c. I came up with 4% for the taxable and 5% for the municipal, can you show me the equation so I can see what I am doing wrong.

**Math**

Short Term municipal bonds currently offer yields of 4%, while taxable bonds pay 5%. Which gives you the higher after tax yield if your tax bracket is. a. zero b. 10% c. 20% d. 30%

**Math**

A municipal bond carries a coupon of 6 3/4% and is trading at par. What is the equivalent taxable yeild to a taxpayer in a combined federal plus state 34% tax bracket? I calculated 10.23%, is that correct?

**economics**

Thanks, so would it not be advisable to raise the cost of the dinner in Chicago, even though they have less competitors? According to the problem, Chicago has 5 less competitors but less income per household and less households. How would that figure in?

**economics**

You are a team working for an economic consulting firm; your client is “The New Delmonico Steakhouse,” a high-end steak place with four restaurants in Manhattan. Your client is considering opening a single restaurant in Chicago (in the Loop), and wants assistance in ...

**Gen 105**

I a need help creating a table, how does it suppose to look?

**ENGLISH**

I CANT FIGURE OUT THIS WORD....IT MEANS CAUSING GREAT MISFORTUNE amtsoacausli

**science**

Most of Earth's rain and snow comes from where?

**Physics**

Is it possible for a human being who has a life expectancy of 70 years to make a round-trip journey to a part of the universe thousands of light-years distant?

**Physics**

If two lightning bolts hit exactly the same place at exactly the same time in one frame of reference, is it possible that observers on other frames will see the bolts hitting at different times or at different places?

**Physics**

When a light beam approaches you, its frequency is greater and its wavelength less. Does this contradict the postulate that the speed of light cannot change? Defend your answer.

**Physics**

When you drive down the highway, you are moving through space. What else are you moving through?

**Physics**

If you were in a smooth-riding train with no windows, could you sense the difference between uniform motion and rest? Between accelerated motion and rest? How could you make such a distinction with a bowl filled with water?

**chemistry**

how to write this as a net ionic equation? Al(s)+ H2SO4(aq)

**Science**

how do you classify matter

**Algebra/Geometry**

Why are we able to develop the volume formula for cones from the volume formula for pyramids?

**Math**

omigosh thanks so much! I thought it was possibly but wasn't sure how to prove it. Now I know :)

**Math**

Is it possible for two right rectangular prisms to have the same volume yet not have the exact same dimensions? If it is not possible, explain why. If it is possible, give an example that proves the statement.

**literary**

an example of a motif

**english**

what

**literary**

i need an example of sarcasm

**literary**

thanks :)

**literary**

i just need examples for all of those terms

**literary**

EXAMPLES: character types, climax, denouement, epiohany, euphemism, figurative languange, foreshadowing, hyperbole, irony(all3), juxtaposition, mataphor, motif, paradox, parllelism, plot, point of view, pun, sarcasm, setting, simile, subplot, syntax, understatment, catharsis, ...

**Biology**

8. Where is RNA formed? 9. Write out the pairings from DNA to RNA. 10. Where is RNA formed? To where does it travel? 11. What is the difference between mRNA and tRNA? 12. What are three bases of mRNA called? At what organelle are they read? 13. What is the purpose for mRNA? ...

**humanities**

The two different medieval accounts of creation in Genesis have caused scholars to believe that each was written at a different time by a different author. What are the two accounts? Where does one end and the other begin? How is creation described in Hindu religious text of...

**AP Chem**

What's the products when ammonium chloride dissolves in water?

**U.S History**

who was the Texas billionaire who started a 3rd political party in 1992

**intergrated science1**

What are electrons circle atoms in regions called?

**Algebra**

Find the domain of y=2x-4

**Math question**

A computer game starts with a set of 125 tiles separated into 25 equal groups.Janene played the game until there were 6 groups of tiles left.How many tiles were left when Janene finished?

**MATHMATICS**

decimal

**math**

Thank you, you made it easy to understand.

**math**

write 2 1/4 as a percent.

**math**

(-12) -(-17) / (-23)) - (-23)

**IT**

In this assignment, you are going to be gathering information about the future students of NSU at one of our open houses. Since there will be plenty of student candidates with interests on different programs, I would like you to create a database using Microsoft Access. In ...

**Math**

Ok I have this problem and wanted to know itf its right. If its not please let me know what I did wrong... -8X-12+29x-39+62-3=15x+2 -8x+29x=-37x -12-39+62-3=14 -37x+14=15x+2 -22x+2 22/2 x=1/11??

**Math**

I need help with solving this equation and the steps on how to do it? 5X-9-19+22X-38X=-17+17X-9+12

**chemistry**

The first step of the synthesis is described by the reaction below. When 1.750 g of Fe(NH4)2(SO4)2 6H2O is mixed with 13 mL of 1.0 M H2C2O4 , the theoretical yield of FeC2O42H2O is ? grams.. I do not understand why my answer is not correct. How do you find the answer for this ...

**math,help**

1 2 3 115 2 1 1 200 1 0 1 50 1 1 4 0 is the first augmentation 1 2 1 1 2 1 0 1 3 1 1 4 115 200 50 0 is the second augmentation. z = -w = -y1-y2-4y3 y1+2y2+3y3 >= 115 2y1 +y2+ y3 <= 200 y1 + y3 >=50 y1 y2 y3 s1 s2 s3 z 1 2 3 1 0 0 0 115 2 1 1 0 -1 0 0 200 1 0 1 0 0 1 0...

**prejudice**

Describe other measurements sociologists use to calculate prejudice. Here are some sites which may give you some ideas. http://www.ajph.org/cgi/content/full/93/2/262 http://jca.sagepub.com/cgi/content/abstract/10/3/343 http://72.14.209.104/search?q=cache:cxtWKq1uijkJ:www.wjh....

**computers**

how do u erase the history from you computer for good places you've been on the internet? yea but i mean in general also for the internet, there is a green arrow going around a clock on a buttonbeside the favourites button. click it. now go to the today section. right ...

**math**

what is 4,000 in roman numerals MV (the V has to have a bar over it)... now answer my HARD question under Lia =) But isn't MV 1,005??

**asapppppp**

who knows how to do roman numerals Post your problem. I'm sure someone can help. http://www.novaroma.org/via_romana/numbers.html Let us know what you think it is and we'll give you feedback. =) HOW DO U WRITE 10100 10050 10130 10200 10500 10550 10559 IN ROMAN NUMERALS ...

**math**

10050 10110 10130 10200 10500 10550 10559 in roamn numerals plz http://www.novaroma.org/via_romana/numbers.html Let us know what you think it is and we'll give you feedback. =)

**math**

10050 10110 10130 10200 10500 10550 10559 http://www.novaroma.org/via_romana/numbers.html Let us know what you think it is and we'll give you feedback. =)

**math**

10 100 in roman numeras http://www.novaroma.org/via_romana/numbers.html Let us know what you think it is and we'll give you feedback. =)

**math**

in roman numerals is ? 160- clx 170- clxx 180- clxxx 190- cxc 200- cc are those right ? If you capitalized the letters, it would be right. times table and a math seet I don't like