Sunday

April 26, 2015

April 26, 2015

Total # Posts: 2,351

**economics**

Help please You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder and ...
*September 20, 2010*

**Botany**

I need a labeled diagram of Cytokinsis Mitosis of the lily
*September 19, 2010*

**economics**

You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder and rebate the ...
*September 19, 2010*

**Microscopes**

What is the RESOLVING POWER of a electron and light microscope?
*September 19, 2010*

**Microscopes**

What is the resolving power for light microscopes, and what is it for electron microscopes?
*September 19, 2010*

**Biology**

Why is the maximum resolution and magnification of a light microscope less than the electron microscope?
*September 19, 2010*

**economics**

Are there times when one’s use of the police force diminishes the use for others? If so, can it be defined as a public good?
*September 18, 2010*

**parenting**

Ok, you all need to take notes, there are two rules to parenting: Rule One- all children are the parent's 1st priority, always and forever, if you cannot put your children 1st, you have no business being a parent. Rule Two- See rule one This is just common sense people, if...
*September 18, 2010*

**accounting**

Making a t account need to know how to enter this Recognized operating expenses for 2009 of 30,000 including 5,000 on credit and 25,000 cash
*September 15, 2010*

**accounting**

I need to make a t account for accounting homework. The statements are from 2009? Earned revenues for 2009 of 55,000 including 8,000 on credit and 47,000 cash. Received a 3,000 deposit from hospital to start January 5, 2010. Purchased supplies on account for future use. 7,000
*September 15, 2010*

**chemistry**

Compare the three types of bonds based on what happens to the valence electrons of the atoms
*September 15, 2010*

**chemistry **

Analysis of a compound gave 39.50% C, 2.20% H, and 58.30% Cl. When 0.855 g of this solid was dissolved in 7.50 g of napthalene, the solution had a freezing point of 78.0° C. The pure solvent freezes at 80.0° C; its molal freezing point constant is 6.8° C/m. What is...
*September 14, 2010*

**physics**

a basketball player can leap upward 0.5m. what is his initial velocity at the start of the leap?
*September 13, 2010*

**physics**

if you jump upward with a speed of 2mls, how long will it take before you stop rising?
*September 13, 2010*

**math problem solving organized list**

I believe the answer is 15. GO, GY, GP, GB, GS. OY, OP, OB, OS. YP,YB, YS. PB, PS. BS. Your combinations are 5 plus 4 plus 3 plus 2 plus 1.
*September 9, 2010*

**Reading**

Help unscramble these immediately esplsl ziadrw anvihs amcaigni dspiaearp umiystroes aennctedh
*September 9, 2010*

**ap chem**

for the reaction ZnO + 2HCl yields ZnCL2 + H2O, what is the maximum amount of ZnCl2 which could be formed from 17.24 grams of ZnO and 6.87 grams of HCl? answer in units of grams.
*September 8, 2010*

**chemistry**

im lost.
*September 8, 2010*

**chemistry**

17.24 g ZnO/81 g/mol= .2128395 mol 6.87 g HCl/36 g/mol= .190834 mol ?
*September 8, 2010*

**com155**

thank you very much...I appreciate the help
*September 8, 2010*

**com155**

can someone please review my answers to the questions below and let me know if they seem correct? Review the four paragraphs below. There is one paragraph matching each of the following types: summary, analysis, synthesis, and evaluation. Once you have read each paragraph, ...
*September 8, 2010*

**Writing**

What do professional writers need to know about formatting business documents?
*September 4, 2010*

**tsu**

Determine the value of a $500 Canadian Pacific Limited perpetual 8 percent debenture if the required rate of return is 14%: (8)
*September 2, 2010*

**writing**

Flexibility is a key component in adapting to each new challenge: most students can do this by the end of week one. Is this sentence right? Should the colon actually be a semicolon?
*September 2, 2010*

**nature science**

another name for an experiment that tests an hypothesis
*September 1, 2010*

**Biology**

I tried this website myself. They are so precise when they answer you're, they're literally awesome.
*August 31, 2010*

**5th grade English**

How courageous the people were to go against the powerful king! Exclamatory sentence Let them eat cake. Imperative Don't miss the choir's performance of that magnificent song. Imperative
*August 25, 2010*

**Physical Education**

Two bodies are thrown vertically upwards with the same initially velocity of 98metre/sec but 4 sec apart.How long after is thrown will they meet?
*August 25, 2010*

**english**

IF THE WORD IS GGORL WASLHINGTON,AND WHENEVER CONSONANTS H,N,G,APPEAR TOGETHER CHANGE THERE ORDER SO THAT THE FIRST CONSONANT BECOMES THE LAST, ONE IN THE MIDDLE BECOMES THE FIRST AND THE LAST THE MIDDLE.
*August 21, 2010*

**US History**

Compare and contrast the initial formation of two states—Virginia and Pennsylvania—by evaluating and listing the similarities and differences of the first state constitution for each state. Identify the date of each constitution and consider the events that occurred ...
*August 18, 2010*

**math**

-(8) < n <(or =) - (-5)
*August 11, 2010*

**chemistry**

A buffered solution is made by adding 50.0 g NH4Cl to 1.00 L of a 0.84 M solution of NH3. Calculate the pH of the final solution
*August 10, 2010*

**algebra**

-(8) < n <(or =) - (-5)
*August 7, 2010*

**applied chemistry**

A sample of oxygen occupies 10.0 L under a pressure of 105 kPa. At what pressure will it occupy 13.4 L if the temperature does not change?
*August 3, 2010*

**financial 200**

Write a 200-300 word description of the four time value of money concepts: present value, present value of an annuity, future value, and future value of annuity. Descrive the characteristics of each concept and provide an example of when each of when each would be used.
*July 23, 2010*

**economics**

Market research has revealed the following information about the market for chocolate bars. The demand schedule can be represented by the equation QD=1,600-300P, where QD is the quantity demanded and P is the price. The supply schedule can be represented by the equation QS=1,...
*July 9, 2010*

**economics**

Beach front resorts have an inelastic supply and automobiles have an elastic supply. Suppose that a rise in population doubles the demand for both products(that is the quantity demanded at each price is twice what it was) a, what happens to the equilibrium price and quantity ...
*July 9, 2010*

**Mass Communications**

I am looking for help with my final project in xcom 100 career center presentation that is due July 4 before midnight
*July 3, 2010*

**Chemistry**

50mL of 0.1M = .005 moles of AgNO3, so based on balanced equation, that will react with .0025 moles Zn. Calculate q(zinc) = -(q(sol) + q(cal)) q(zinc) = -(50*4.18*2.92 + 98.6*2.92) q(zinc) = -898.19 J then divide by .0025 moles of Zn reacting (and covert to kJ) = -360kJ/mol
*June 30, 2010*

**Chemistry**

50mL of 0.1M = .005 moles of AgNO3, so based on balanced equation, that will react with .0025 moles Zn. Calculate q(zinc) = -(q(sol) + q(cal)) q(zinc) = -(50*4.18*2.92 + 98.6*2.92) q(zinc) = -898.19 J then divide by .0025 moles of Zn reacting (and covert to kJ) = -306kJ/mol
*June 30, 2010*

**geometry**

Given: ~ with altitudes CR and ZS. ZS = 12, XY = 15, YZ = 18 and AB = 20, find the measure of CR. (2 points) A) 25 B) 9 C) 17 D) 16
*June 21, 2010*

**5th grade**

i have a speech to do on something what should that something be
*June 15, 2010*

**Mat 116**

-2x>1/9 {xix_ _}
*June 13, 2010*

**Geometry HELP**

true or false: if their sum is equal to 180 degrees, then angle D and angle B are supplementary
*June 11, 2010*

**child growth development**

Which of the following mothers has the greatest chance of birthing a baby with birth defects due to contracting rubella during preganancy? A. A woman who has the illness during the first month of preganancy B. A woman who contracts the disease during the second trimester C. ...
*June 9, 2010*

**math**

1.5/2 2.1\5 3.1\6 4.3\16 5.30\11 6.1\2
*June 8, 2010*

**project on alternative renewable energy souses **

should i do a power point or a model display
*June 7, 2010*

**physics**

Do any of these five objects move in similar ways? Which ones? What do they have in common? -Oscillating pendulum -dynamics cart rolling up and down an incline -student jumping into the air -mass oscillating at the end of a spring -ball tossed into the air
*June 6, 2010*

**Physics**

it will be 26
*June 6, 2010*

**Information Science**

ABC Company has 50,000 employees at it headquarters. The company wants to increase employee productivity by setting up internal software application training program for it employees. The training program will teach employees how to use Microsoft software programs such us ...
*June 1, 2010*

**SCI/275**

please help
*May 27, 2010*

**chemistry**

what volume of O2 at STP is needed to react with 4.52 g of K
*May 25, 2010*

**Math**

when i fill in 3(5)+ 8y = 16 it doesnt comeout even though
*May 25, 2010*

**Math**

How do i solve this system algebraicly? 3x + 8y = 16 5x + 10y = 25
*May 25, 2010*

**math**

Find the slope of the line passing through the points (7, 0) and (0, 10).
*May 24, 2010*

**medical **

For each body system, identify which body approach(es) might best be used to organize information. Choose only from the following approaches: microscopic-to-macroscopic, body directions and planes, body cavities, and quadrants and regions
*May 21, 2010*

**Science**

Is this correct? The Change of energy of a Slingshot: Elastic Potention-Gravitational potential-potential?
*May 20, 2010*

**Science**

Is this correct? The Energy Transformation of a Slingshot: elastic Potential-Kinetic-Potential
*May 20, 2010*

**Pre-Calc**

Thank you so much, this was very helpful :)
*May 16, 2010*

**Pre-Calc**

Find f(a) where a is in the domain of f. f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug it into is (f(a+h)-f(a))/h
*May 16, 2010*

**health**

How to over come barriers of intimacy
*May 16, 2010*

**7th grade math**

A farmer grows 196 pounds of potatoes. He sells them to a grocer who divides them into 5 pound and 20 pound bags. if the grocer uses the same number of 5 pounds and 20 pound bags, how many bags of each did he use?
*May 12, 2010*

**Chemistry**

Sulfur trioxide, SO3, is made from the oxidation of SO2, and the reaction is represented by the equation 2SO2 + O2 2SO3 A 25-g sample of SO2 gives 18 g of SO3. The PERCENT YIELD of SO3 is?
*May 12, 2010*

**Chemistry**

A clear colorless liquid in an open beaker was heated to boiling. The liquid began to boil at 110°C, and as vapors escaped, the temperature of boiling gradually increased to 115°C, at which the heating was stopped. On the basis of this information, we can say that the ...
*May 12, 2010*

**Chemistry**

A sample of an oxide of antimony (Sb) contained 25.0 g of antimony combined with 8.2 g of oxygen. The simplest formula for the oxide is?
*May 12, 2010*

**Chemistry**

C3H8 + 5O2 3CO2 + 4H2O How many grams of oxygen are required to burn 7.0 g of C3H8?
*May 12, 2010*

**Chemistry**

Ammonia, NH3, and oxygen can be reacted together in the presence of a catalyst to form only nitrogen(II) oxide and water. The number of moles of oxygen consumed for each mole of NO that is produced is?
*May 12, 2010*

**Chemistry**

How many grams of lithium nitrate, LiNO3, are required to prepare 3.00 × 102 mL of 2.00 × 10–1 M solution?
*May 12, 2010*

**Math-Alebra**

Oops, forgot he wanted to play 14 commercials altogether. If he did play only 30 sec. commercials he would be over 14. For both 30 and 60 sec. commercials. You would have to set up some sort of equation.
*May 7, 2010*

**Math-Alebra**

For the first problem change 11 min to seconds by multiplying by 60. Because there is 60 seconds in one minute. 11 min. * (60 sec./1 min) = 660 sec. So for 30 sec. commercial 660/30 = 22 commercial For 60 sec. commercial 660/60 = 11 commercial
*May 7, 2010*

**Algebra 2**

It's really Natural Logarithm I would recommend looking at the rules for both Logarithm and Natural Logarithm.
*May 7, 2010*

**Algebra 2**

Using quotient rule of logarithms ln(m/n) = ln(m) – ln(n) so ln(1)-ln(2) = ln(1/2)
*May 7, 2010*

**Alg 2**

One way it helps to look at roots of 3rd degree is that it's the same as the what is under the root to the power of (1/3). Ex: (3√x)= x^(1/3) I would then do this with a higher polynomial like (3√x^5)= (x^5)^(1/3) = x^(5/3)
*May 7, 2010*

**calculus**

Thanks Helped a lot
*May 7, 2010*

**calculus**

I set both y equal to each other to find the points of integration. squared both sides (((25-(x^2))^(1/2))=3)^2 then becomes (x^2)=25-9 Result x= +(14^(1/2) and -(14^(1/2) I don't know what to use, as in the disk or washer method.
*May 7, 2010*

**calculus**

Find the volume of the solid when the region enclosed by the curves y=((25-(x^2))^(1/2))and y=3 is revolved about the x-axis. I already have the answer = (256*pi)/3, but don't know how to set up.
*May 7, 2010*

**Physics**

pA = pB = 2 atm = 2 * 101325 Pa = 202650 Pa vA = 1 L = 1 * 10^-3 m^3 vB = 5 L = 5 * 10^-3 m^3 W(A to B) = 202650 * (5 * 10^-3 - 1 * 10^-3) = 202650 * 4 * 10^-3 = 810.6 J W(B to C) = 0 (because volume is constant) W(in complete cycle) = 480 J W(in complete cycle) = W(A to B) + ...
*May 7, 2010*

**5th grade**

Thanks. I thought a square would not be classified as a rectangle.
*May 6, 2010*

**5th grade**

I need to have 7 and have already used up the whole numbers 1X13, 2X12, 3X11, 4X10, 5X9, 6X8, so what is the 7th rectangle measurement????
*May 6, 2010*

**5th grade**

If I have a perimeter of 28 inches, how many rectangles can I draw and what are the dimensions?
*May 6, 2010*

**chemistry2**

if 160g of Al reacts with O2 to produce 260g of Al2O3.calculate the theoretical yield and the percent yield 4Al+3O2 2Al2 O3
*May 5, 2010*

**Chemistry**

What is the pH of 50.0 M HF and 25.0mL of 1.0 M NaOH?
*May 4, 2010*

**PHYSICS**

A sample of monatomic gas (ã = 5/3) is expanded adiabatically from an initial temperature, volume, and pressure of 230. °C, 7.00 litres, and 7.00 kPa, respectively, to a final volume of 10.0 litres. (a) What is the final pressure of the gas? (answer 3.86 kPa) (b) ...
*May 2, 2010*

**math**

the statue of liberty is 150 feet tall, and stands on a 150 foot pedestal. How far from the base should you stand to have the statue subtend the largest possible angle at your camera lens, assuming the camera is held 5 feet off the ground and the ground is flat?
*May 2, 2010*

**8th grade**

what it he reason a spoon gets hot when put in a bowl of hot soup?
*April 30, 2010*

**Physics**

it didnt let me put the link to image.. A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×105 Pa. The density of water is 1000 kg/m3. Assume that the ...
*April 27, 2010*

**math**

mikes average on the first four exams in econ 1A is 88. what must he earn on the next exam to raise his overall average to 90
*April 27, 2010*

**Trigonometry**

1. Find the exact value of the following (Think identity) Cos(2 Arccos(5/13)) 2. Solve the following equation for 0° ≤ Θ < 360° Sec(Θ)= tan(Θ) + cos(Θ)
*April 26, 2010*

**algebra**

the area of the parallelogram is 96 square miles. Find its base and height. if the base is x+5 and the height is x-5
*April 23, 2010*

**IT**

Design a system which will take in the results for the five criterion levels of achievement for each phase of the design cycle: Investigate, Design, Plan, Create and evaluate. The system will then calculate the average and round up to the nearest decimal place. It will then ...
*April 21, 2010*

**english**

i think its a
*April 20, 2010*

**english**

n which one of the following sentences does the verb agree with the subject? A. The book that explains the plays is on the shelf. B. There is a million reasons why I shouldn’t go. C. Who is the people in the photograph? D. Here is the reasons we can’t start the car.
*April 20, 2010*

**Acoustics: Noise Vibration and Noise Control**

Hi there mate, sorry late reply. I havent really got any further. And my tutors dont really understand it. Have you?
*April 18, 2010*

**Acoustics: Noise Vibration and Noise Control**

Helicopter Noise Transmission It is planned to introduce a regular helicopter service from a helipad at ground level in a hospital premises. There will be four arrivals and four departures per day but never more than one arrival and one departure in any hour. There is a school...
*April 18, 2010*

**trig**

suppose that sin(x) + cos(x) = 4/3 a)square this result and find a value for sin(x)cos(x). b)using the result from a) find the exact value of sin^3(x)+cos^3(x). (Hint: Do you recall how to factor x^3 + y^3)
*April 14, 2010*

**chemistry**

In a certain chemical reaction 1.00 gram of product is produced in 15 minutes when the reaction is carried out at 20oC. Assuming that there is sufficient starting material available, how much product will be produced in the same length of time if the reaction is carried out in...
*April 12, 2010*

**chemistry**

In a certain chemical reaction 1.00 gram of product is produced in 15 minutes when the reaction is carried out at 20oC. Assuming that there is sufficient starting material available, how much product will be produced in the same length of time if the reaction is carried out in...
*April 12, 2010*

**Management of Information Sy**

Assignment: Hardware Replacement Project The IT department is implementing a new CRM solution to its corporate offices. The hardware currently in use is out of date and will not support the CRM application. The hardware must be replaced prior to deployment. • Resources: ...
*April 11, 2010*

**Physics Help Please!**

The change in temperature is 12 deg C if it rises from 15 to 27 degrees. 1. Find the mass of water from volume of water times its density. 2. Find the heat in Joule needed from Q=mct where m is mass of water, c is specific heat capacity and t is rise in temperature. Then the ...
*April 6, 2010*

**Physics**

Work done is force times distance moved. In 6 seconds, at 4m/s the box moves___m Force times distance = ______
*April 6, 2010*