# Posts by dee

Total # Posts: 931

**Physics**

12MJ of energy is released when 1kg of dynamite is exploded. How much matter is converted into energy in the process?

**College Algebra**

need help in solving how many miles can i drive on 60 gallons of gas, with the Mpg 30 in the city, and 42 highway. I would like all the steps, never had algebra before, so i am very lost.

**Physical Science**

Suppose you made your own hydrometer. The lower part of a hydrometer has a volume of 7.0 g/cm3 and the upper part is 5.0 cm long and has a cross-sectional area of 0.62 cm2. What length of the upper part of the hydrometer will be submerged?

**chemistry**

maintain room at partial pressure of water of 12 torr. the room is 20 degrees celcuis and relitive humidity is reading 52% 1. what is the partial pressur of water in the air in the room? 2. Equibrium vapor pressure of water at 20 degrees celcius is 17.5 tor is there adequate ...

**algebra**

(6^2)^3

**algebra**

subtract x-8=2/7 x+8

**algebra**

yes

**algebra**

Add x^2+13x+x^2-10x x^2-7x x^2-7x

**physics**

An object is lifted from the surface of a spherical planet to an altitude equal to the radius of the planet. As a result, what happens to the mass and wieght of the object?

**business**

____ 1. The form of organization for a business is not an important issue, as this decision has very little effect on the income and wealth of the firm's owners. TRUE OR FALSE

**Physics**

how do you figure out take off speed?

**comp170**

write a final paragraph of about 150 words explaining how you can apply five of the writing elements you studied in this course to enhance your ...

**Finance**

If a firm had operating profits of 100,000 taxes of 17,000 interest expense of 34,000 and preferred dividends of 5,000. What was the firms net profit after taxes

**Investments**

Javier is considering making a 4 year investment in Guggenheimer Jewelry. The cost to purchase the stock is $500 and he would only purchase 1 share. Javier expects 15% rate of return. Guggenheimer Jewelry typically increases the dividends paid to share holders by 10% each year...

**Math**

y=mx+b -5=1/4(4)+b -5=1+b Subtract 1 from both sides: -6=b Answer: y=1/4x-6

**us history**

So all I need to state why my argument is right, and don't have to include why the counter-argument is wrong...? I think I'm making this more difficult than it should be.

**us history**

But didn't the government regulated the transcontinental railroads, which transported raw materials? and also the Federal land grants?

**us history**

It only talked about how technologies and raw materials contributed to the economical growth, but I'm having trouble with actually how to link those ideas to the actually question.

**us history**

"Although the economic growth of the United States between 1860 and 1900 has been attributed to a governmental policy of laissez-faire, it was in fact encouraged and sustained by direct government intervention." Assess the validity of this statement. What are ...

**Spanish**

Cuanto pagaste por esa faida?

**Math**

How do you express (sq.root of 3 + 1)(sq.root of 3 - 1) in simplest form?

**Chemistry**

Explain, in terms of electronegativity, why an H-F bond is expected to be more polar than an H-I bond.

**Chemistry**

Explain, in terms of electronegativity, why an H-F bond is expected to be more polar than an H-I bond.

**Physics Grade 11**

thank you bob pursley :)

**Physics Grade 11**

A certain force causes an object to acceleration with an acceleration of 6.85 m/s/s. If the mass is increased by a factor of 2.64 and the force is increased by a factor of 3.85 , what is the new acceleration that the object will experience?

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of this compound?

**Taxation**

"Sally W. Emanual had the following dividends and interest during the current year. Acorn Corporation bond interest $700 City of Boston bongs interest 1,000 Camp Bank interest 1,250 Jet Corporation dividend(Qualified) 1,300 North Mutual fund Capital gain distribution 100 ...

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?

**Chemistry**

A protein found in some types of wood-rotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?

**statistics**

Which statistical test woul you use to assess whether or not there is a relationship between the variables SEX and HOURLY WAGES?

**environmental chemistry**

PHcatalyzed reaction, NH3 + HOCl --> NH2Cl + H20 , how do I plot log k_obs vs pH? NH4 + HOCl --> NH2Cl + H20 rate expression : d(NH2Cl) / dt = k_obs (C_T,N)(C_T,OCL) assume (C_T,N) and (C_T,OCL) concentrations are constant pKa for NH4+ = 9.3 pKa for HOCl = 7.5 any and ...

**geometry**

Hi Kaylon, This is cheating. Do your own FLVS homework. If you don't know how, ask your teacher.

**Physics**

A bat emits a chirping sound of frequency 67.0 Hz while moth hunting. The chirp lasts for 1.0 ms and then is silent. The beginning of the echo returns just after the outgoing chirp is finished - how close to the moth is the bat? Assume a cool night with air temperature of 10 ...

**calculus**

Suppose a scooter travels at a velocity of v(t)= 8t meters/hour. Then the TOTAL distance traveled by the scooter over the first 2 hours is?

**HEALTHCARE**

How does the specialization of providers and hospitals affect continuity of care?

**math**

nevermind.

**math**

A=P(1+nr); find r

**chemistry**

is it? M1V1=M2V2?

**chemistry**

What volume of 9.54M sodium chloride solution must be added to the correct amount of water to produce 750. mL of a .327 M sodium chloride solution?

**Trigonometry**

1. (cotè+1)(cscè-1/2)=0 2. sin²è-cos²è=1+cosè

**math**

use distributive property: (5x*6x)-(5x*7) 30x^2-35x

**science**

Choose the combining form which best completes the following group: PONT/O, CRANI/O, FORAMIN/O, _______. A. COCHLE/O B. ENCEPHAL/O C. SALPING/O D. BLEPHAR/O Please help

**math 050**

*simplify

**math 050**

3*10=30 x/30=10/25 Cross multiply: 25x=300 Divide both sides by 25: x=12 To check, plug in 12 for x 12/30=10/25 Simpligy: 2/5=2/5

**math 050**

2/3=x/42 Cross multiply: 84=3x Divide both sides by 3: x=28 Plug in 28 for x. 2/3=28/42 simplify 28/42 which is 2/3

**math**

0.006, 0.43, 0.6, 0.9

**ALgebra**

4z-[23-5(3z-2)] Use distributive property: 4z-[23-15z+10] Subtract what's in the brackets: 4z-23+15z+10 Add like terms: 19z-33

**Trigonometry**

I put that in but it said the answer was 36-25ã2/23 any idea how that works?

**Trigonometry**

Find the exact value of tan(a-b) sin a = 4/5, -3pi/2<a<-pi; tan b = -sqrt2, pi/2<b<pi identity used is: tan(a-b)=(tan a-tan b)/1+tan a tan b simplify answer using radicals. (a is alpha, b is beta)

**algebra**

sorry. 2x=-20 x=-10

**algebra**

4x-8=12+6x -8=12+2x -20=x

**math**

63/87.5=.72 .72*100= 72 Answer is about 72 million

**math**

21,854,374/100=218,543.74 Korean: 218,543.74*12.4=2709942.376 which will just be 2709942 WWII: 218,543.74*10.7=2338418.018 which will just be 2338418 Then subtract: 2709942-2338418=371524.

**6th grade**

Answer is $209. 114.95/55=2.09 2.09*100=209 Checking: 209/100=2.09 2.09*55=114.95

**geometry**

are DE and GJ equal? If so: 4x+5=3x+25 4x=3x+20 x=20 4(20)+5=85

**Porter model**

Identify the competitive forces in Porterâ€™s model. What affect might these forces have on a business? What can a business do to respond to these forces?

**Math Calculus**

A firm finds that it can sell all the radios it manufactures st a price of $75 each. If x radios are manufactured each day and C(x)=x^2 +25x +100 is the daily total cost of production, how many radios should be produced each day for the firm to maximize daily profit? What is ...

**chemistry**

The molar mass of a volatile liquid(one which vaporizes easily) can be determined by a the 'Dumas Method.' In this process a small amount of the liquid (a few drops) is placed in a clean flask. The mouth of the flask is covered with a piece of foil that has a small ...

**Physics**

What is the pressure difference required to make blood flow through artery of inner radius 2.0 mm and length 0.18 m at a speed of 5.6 cm/s? I used P1-P2 = speed*8*n*L/r squared n = viscosity of blood = 4 x 10e-3 L = .18 m r = 2 x 10e-3 m When plugged in I get P1-P2 - 80.64 Pa ...

**college**

how much enery is necessary to heat 1.0kg of water from room temperature to the boiling point?

**science**

How many grams of solid product can be produced by mixing 45.6 grams of chlorine gas with excess sodium metal?

**Simple and complete subjects**

What is the simple subject in this sentence? The main character's name is Yeh-Shen.

**Simple Subjects**

Mrs. Marcus

**physics**

gs

**Chemistry**

The following reaction represents the decomposition of hydrogen peroxide: 2H2O2 -> O2 (g) + 2H2O (l) How many molecules of water are produced from the decomposition of 3.4g of hydrogen peroxide, H2O2? Please help, I got 0.02 molecules of water but need to verify my answer (...

**chemistry**

how to obtain calcium sulfate salt from the starting compound calcium carbonate? outline the steps taken.

**algebra**

Provide an example of at least five ordered pairs that do not model a function. The domain will be any five integers between 0 and 30. The range will be any five integers between -20 and 20. Why does your example not model a function?

**Phisic mechanic**

A) 1/2mv^2 - 1/2 mv^2= work The first is the final KE The second is the initial KE which = 0 since it was at rest

**biology**

The only thing my biology teacher told us about the NADP (in photosynthesis light dependent reaction) is that it's a bus driver. Why is it a bus driver? Is it cos it collects the H+ ion into the light independent reaction (NADPH) then "drops" it off and returns ...

**social studies**

what kind of landform covers the central part of North America

**Math**

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16

**8th grade**

I'm trying to graph each function for the given domain. Can you let me know if I'm on the right track or not? 3x-y=1;d:(-3,-1,0,4) I have -y=3x+1 x,y -3,12 -1,4 0,0 4,-16

**pyschology**

What are the differences between Carl Rogers Humanistic theory and Alfred Adler Individualism. What are the similarites between the two

**basic chemistry**

how do I find the ratio of when to solutes completely react?

**statistics**

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the distribution of ...

**statistics**

In a research study with an effect size of .20, the populations of individuals have an overlap of about:

**math**

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the ...

**statistics**

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection is 60, and the ...

**8th grade**

Thank you, I got x=4/6 so I needed to simplify.

**8th grade**

4+6x-9x=3x

**MAT/117- Appendix E**

Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper formatting. Hint: Pay attention ...

**Economics**

What is the relationship between GDP and the business cycle? How can you use information about the business cycle when making a decision about a large purchase?

**APA format**

I am writing a paper and need to cite example: . gives patients more help . strikes a balance . generally safe How do I cite this in APA format after I finish with my bulleted list? Thanks

**Psychology**

BEHAVIORISM

**PSYCHOLOGY**

The issue that discusses whether development is more a function of biology or more a function of the environment is the ______________ controversy. A. nature-nurture After combing through the research on twin studies, one could conclude that D. it is best to look at ...

**principles of economic**

Deciding to buy a house is a lifelong goal for many people. Imagine that you are renting a studio apartment and have just discovered you are having a baby. Your present apartment is small and far from schools and local services. You have decided to move. There are many factors...

**pharmacy math**

680

**geometry**

175

**accounting help plz**

The expense account that should be debited is the miscellaneous expense...

**Health**

Situation #1: The trade minister of a foreign nation asks you to pay a $200,000 consulting fee. In return for the money, the minister promises special assistance in obtaining a $100 million contract that would produce at least a $5 million profit for your company. If your ...

**Math**

Determine how much time is required for an investment to quadruple if interest is earned at a rate of 7.1% compounded continously. (no other info is given, and that's why I'm confused...)

**Accounting**

1. What would you think of a company's ethics if ti changed accounting methods every year? 2. What accounting principle would changing methods every year violate? 3. Who can be harmed when a company changes its accounting methods too often? How?

**math/geometry**

A pentagon with the a perimeter of 45 feet , what is the area

**10th grade**

yes i want to know the area

**10th grade**

A pentagon with the a perimeter of 45 feet?

**Science**

What are 3 examples of forces in nature which cause Physical or Mechanical Weathering

**trig**

Can someone please help me solve this equation? Solve the equation in the interval [0°, 360°). csc θ = 1 + cot θ

**7th grade**

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

**Science/ Math**

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

**Science**

The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.