Friday
April 18, 2014

Posts by mark


Total # Posts: 1,222

chem
Recycling of PET soft drink bottles involves heating with methanol and an acid catalyst to liberate ethylene glycol and dimethylterphthalate (methyl ester of pthalic acid). These can then be used as monomers to make new PET products. Write an equation for this recycling reacti...

business
Which pair of accounts follows the rules of debit and credit, in relation to increases and decreases, in the same manner? A. Accounts Payable and Rent Expense B.Repair Expense and Notes Payable C.Prepaid Insurance and Advertising Expense D.Service Revenues and Equipment

business
thank you

business
Which measure would a long-term creditor be least interested in reviewing? a.free cash flow b.debt to total assets ratio c.current ratio d.solvency measure

business
So its $5.00 dollars, thanks Ms. Sue

business
Please please I need help with this question. thanks For 2010, Fielder Corporation reported net income of $30,000; net sales $400,000; and average share outstanding 6,000. There were no preferred stock dividends. What was the 2010 earnings per share? a.$4.66 b.$0.20 c.$66.67 d...

business
thanks

business
Distinguish between static budgets and flexible budgets. When are each an appropriate means of evaluating a manager’s performance and why?

Calculus
find the first three non-zero terms of the Maclaurin expansion of y = f (x) where the function is defined implicitly by x^2 + xy + y^2 = 1. Also estimate the error approximating f(0.1) using the first two non–zero terms of this series.

Physics
A model rocket is launched upward with an initial speed of 50 m/s. It accelerates with a net constant upward acceleration of 2.0 m/s^2 until its engines stop at an altitude of 150 m. (a) What is the maximum height reached by the rocket? (b) how long after the life-off does the...

%
How do I find a dollar number plus 7.1% that will come close to $70.00 Here is what Im doing..I rent out packages that are $70.00 and I want to pay 7.1% sales tax out of that $70.00..What dollar amount do I use to add 7.1% to, to make it as close to $70.00 as I can…whats ...

physics
A 1.20 block is attached to a spring with spring constant 14.0 . While the block is sitting at rest, a student hits it with a hammer and almost instantaneously gives it a speed of 50.0 . What is the amplitude of the subsequent oscillations?

physics
A high diver of mass 50.0 kg jumps off a board 10.0 m above the water. If her downward motion is stopped 1.80 s after she enters the water, what average force did the water exert on her?

To Brittany and Ryan
BUUUUUUURN!!!!

physics
A motorboat whose speed in still water is 3.00 m/s must aim upstream at an angle of 27.0^\circ (with respect to a line perpendicular to the shore) in order to travel directly across the stream. What is the speed of the current?

physics
A diver running 1.8m/s dives out horizontally from the edge of a vertical cliff and 3.0s later reaches the water below. How high was the cliff, and how far from its base did the diver hit the water?

calculus
The height (in feet) of a skydiver at time t (in seconds) after opening his parachute is given by h(t) = 4000 – 19t. Find the skydiver's velocity after the parachute opens. The answer should be in feet per seconds. I would appreciate if somebody helps.... Thank you.

6 grade
I love basketball more than you.

Algebra
How many milimiters of pure acid must be added to 150 milimiters of a 30% solution of acid to obtain a 40% solution? I know that the answer is 25 milileters. Could someone show me with steps how to get the answer.

Algebra
If a computer costs an electronics dealer $300, and she sells them for $800, what is her rate of profit based on the selling price? I know the answer is 62.5% but could someone show me how to get this answer , thanks

Biology
Why are the intestinal lenghts of algae-eating tadpoles and insect-eating adult frogs so different?

business
Please I need help with this question.. What are some controls that companies use to protect their assets?

chem
what is(2.25x10*3)(4.80x10*4)=

calculus
f (4 + h) - f (4) = 4h^2 + 4h (a) What is f '(4)? (b) What is the slope of the secant line through (4, f (4)) and (7, f (7))?

Finance
Royal Cup’s last dividend was $ 1.00 per share and dividends are expected to grow at a rate of 6%. What is the current value of a share of this stock to an investor who requires a 10 percent rate of return?

Finance
Caledonia last paid a dividend of $1 per share 2010. In 2007, the Caledonia paid a dividend of $0.84. This dividend growth rate is expected to be constant for the foreseeable future if the merger is not completed. If the merger is successful, the expected dividend for next yea...

12th grade - Math
Justify your answer: 1.) Which line is steeper? y= 4/3x - 5 or y= 6/5x - 1 2.) Does the slope of line AB exist? A (-2,7) B (-2,-1)

Finance
Determine the value of a $500 Canadian Pacific Limited perpetual 8 percent debenture if the required rate of return is 14%

college
lead has density of 11.35g/ml,i have 3.45 cc of lead what is the weight in grams.

chm
The mass of Oceanis 1.8*10 to 21 kg.The ocean contains 1.076%sodium ion,Na+what is mass of sodium in ocean

jewelry markings
I have a ring that appears to be gold plate over silver with the markings COP copyright 89 5. Can you tell me what this means ?

Math Probability
An insurance sales representative selects 3 policies to review. The group of policies she can select from contains 8 life policies, 5 automobile policies, and 2 homeowner policies. Find the probability of selecting” (a) All life policies (b) Both homeowner policies (c) Al...

childcare
nope one is C

english
need some oratorical piece please

Physics
Rotational Inertia- Particle 1: m=50g x=2 cm y=2 cm P 2: m=25 x=0 y=4 P 3: m=25 x=-3 y=-3 P 4: m=30 x=-e y=4 The question says to find the rotational inertia of the collection about the x, y, and 7 axis in g/cm^2, then suppose the x axis rotational inertia is A and the y axis ...

Physics
Okay. So first for part b I know the formula I'm going to need is v=wr. That will relate the linear speed to the angular speed and we are given the radius. I'm still a little stuck though on the angular speed. I found the circumference of the wheel to be 10pi cm, and t...

Physics
n early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, travels to a distant mirror, and returns to the wheel just in time to pass through the next slot in the wheel...

chemistry
A voltaic cell is contructed in which a copper wire is placed in a 1.0 M Cu(NO3)2 solution and a strip of gold i placed in a 1.0 M AuNO3 solution. The measured potential of the cell is found to be 1.36V and the copper electrode is negative. The Ered for the Cu2+/Cu half- cell ...

chemistry
How do you determine if a salt is behaving as an acid or base?

Maths
A square has an area of S^2 and a regular hexagon has a perimeter of T. If p is the perimeter of the square and h is a side of the hexagon, then find h+p in terms of S and T.

computer science
Pseudo code: Input a list of employee names and salaries, and determine the mean (average) salary as well as the number of salaries above and below the mean

college
is project management designed to transfer power from the line managers to the project manager?

Chemistry
what is the precipitate formed when benedicts solution reacts with glucose? give the net ionic equation for the reaction.

Calculus
Solve the following initial value problem and determine the interval where the solution exists. dy/dt = 2ty^2 y(0) = y_0 Textbook answer is: When y_0 <> 0, then y = 1/(1/y_0 - t^2). When y_0 = 0, then y = 0 When y_0 > 0, the interval where solution exists is |t| < ...

math
18.5

algebra
Could someone please just basically describe how to solve rational equations? I dont understand them. :(

Chemistry
my ap chem teacher has been absent for the past two weeks and part of the notes her sub gave us to copy says that In the equation HC2H3O2 + H20 <--> C2H3O2(- charge) + H3O(+ charge) HC2H3O2 is an acid H2O is a base C2H3O2(- charge) is the conjugate base and H3O(+ charge...

Philosophy
Which of the following ideas is important in virtue ethics? a) community b) duty c) natural human inclinations d) pleasure is it a???

English
In Homer Odyssey - According to Odysseus what is the cause of the doom he and his men face on the Island of Cicones?

Economics
I'm supposed to use a price index for GDP chart to find the GPD deflator of 1983 how do i do that? To get the chart google nipa bea chart,click the first choice, and select tale 1.1.4

Schindler's List Essay
You also only make mention of the SS, whereas Schindler had to deal with many other people from the German army, like the Gestapo, Members of the Secondary command, and general German army soldiers (Nazis) all of whom are depicted in the film. Also you haven;t made any mention...

Schindler's List Essay
You also only make mention of the SS, whereas Schindler had to deal with many other people from the German army, like the Gestapo, Members of the Secondary command, and general German army soldiers (Nazis) all of whom are depicted in the film. Also you haven;t made any mention...

Schindler's List Essay
You also only make mention of the SS, whereas Schindler had to deal with many other people from the German army, like the Gestapo, Members of the Secondary command, and general German army soldiers (Nazis) all of whom are depicted in the film. Also you haven;t made any mention...

Schindler's List Essay
I would probably give it a 20 out of 50. This essay has a few good ideas, but overall contains much spelling and grammatical errors, and is overall poorly structured. By this I mean there are no links or comparisons between ideas, instead they are just tossed in randomly over ...

pheonix university
Please select one of the following thesis statements: 1. America's top corporations are successful for a variety of reasons. 2. Scientists have discovered human remains thought to be more than 2 million years older than Lucy, a skeleton found in Ethiopia. 3. A healthful di...

Math
600,000 - x / 600,000 = .10 solve for x.

ecology
Air pollution impacts us on a global level. What are the implications of global warming?

ecology
Give examples of how humans have increased their food supply and what effects these methods have on the environment overall.

English
What kind of emphatic statement?

English
What is the significance of the exclamation mark at "And 'barn' is only a noun-no verb or subject has entered into the sentence yet!"

spanish
It could be; what jeans?

ENGLISH
1. For surgeon it’s not just wake up at 6:00 am in the morning,take a shower, drink a coffee, eat a toast, get into his car and go to work,than finish at 5:00 pm, go home to his family, eat dinner and have a good sleep. 2. dont’t - correct is don’t 3. lazy - laz...

chem
so if theres no ions answer would be ch3oh and h20

chem
so would there be an equation?

chem
In a solution prepared by mixing CH3OH with H2O the major species pesent are 1. a. CH3+, OH, and H2O 2. b. CH3O, H+, and H2O 3. c. CH3OH and H2O 4. d. CH3OH, H+, and OH I know i have to get an equation having trouble doing that!! please help!!

Chem
Balance the chemical equation given below, and determine the number of grams of MgO needed to produce 15.0 g of Fe2O3. _MgO(s)+_Fe(s)->_Fe2O3(s)+_Mg(s) 1. a. 11.4 g 2. b. 3.78 g 3. c. 1.26 g 4. d. 0.0877 g I got equation balanced 3,2,1,3 just having trouble on how to find n...

Chem
Given the following hypothetical reaction: 2 E(g) + F(g) + G(g) products. If the rate law is: Rate = k[E]2[F]-1, what is the overall order of reaction? 1. a. zero 2. b. first 3. c. second 4. d. third

Chemistry
Which element can form more than one kind of monatomic ion? 1. a. Se 2. b. Sn 3. c. S 4. d. Sr

math
justify that15 is the sum of eachrow of a 3X3 magic square using the number 0-9. Find the sume of all the numbers. What is the of eachrow in a 4X4 magic square that uses the numbers 1-16.

computer science
c++ program question write a program that uses a loop to display the characters for each ascii code 32 through 127. display 16 characters on each line with one space between characters in c++

Chemistry
Delta H = 2800 Kj Delta S = -260 J Delta Grxn = 2800-(15+273)(-260/1000) = 2874.88 Non-Spontaneous

statistics please help!
A total of 8,000 dollars is invested at anunual interest rate of 1%. Find the balance after 1.5 years, if the interest is compounded annually. using A=p(1+r/n)^nt

Chem
Delta H = 2800 Kj Delta S = -260 J Delta Grxn = 2800-(15+273)(-260/1000) = 2874.88 Non-Spontaneous

science
ms.sue would it be compressional i am not really sure could you please tell me if i am right thank you

science
A wave that causes the particles of the medium to vibrate parallel to the direction the wave travels

Physical Chemistry
The presence of a catalyst provides a reaction pathway in which the activation energy of a certain reaction is reduced from 192 kJ·mol-1 to 72 kJ·mol-1. (a) By what factor does the rate of the reaction increase at 281 K, all other factors being equal? (b) By what...

Math
Find (if possible) the trigonometric function of the quadrant angle. sec 3pi/2 My answer was 0. Am I correct?

Math(Please help)
What is the domain? Use a graphing utility to determine the intervals in which the function is increasing and decreasing and approximate any relative maximum or minimun values of the function. g(x) = 12 Ln x / x My answer was: Domain = (12,0) decreasing = (3,-2) and increasin...

NEED HELP! CHEMISTRY
Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are deposited? found ele...

Math
What is the domain? Use a graphing utility to determine the intervals in which the function is increasing and decreasing and approximate any relative maximum or minimun values of the function. g(x) = 12 Ln x / x My answer was: Domain = (12,0) decreasing = (3,-2) and increasing...

Physical Chemistry
Three electrolytic cells containing solutions of CuNO3, Sn(NO3)2, and Fe(NO3)3, respectively, are connected in series. A current of 2.2 A is passed through the cells until 3.10 g of copper has been deposited in the cell. (a) What masses of tin and iron are deposited? tin g iro...

Physical Chemistry
i thought you were saying to divide by the 1 equivalent?

Physical Chemistry
so for the 1 equivalent weight of Ag i just divide molar mass 107.87 by 1.009 and get 106.8?? is the 1 equivalent weight in material in grams?

Physical Chemistry
A total charge of 97.4 kC passes through an electrolytic cell. Determine the quantity of substance produced in each of the following cases. (a) the mass (in grams) of silver metal from a silver nitrate solution ?g (b) the volume (in liters at 273 K and 1.00 atm) of chlorine ga...

Math(Help!!)
What is the domain? Use a graphing utility to determine the intervals in which the function is increasing and decreasing and approximate any relative maximum or minimun values of the function. g(x) = 12 Ln x / x My answer was: Domain = (12,0) decreasing = (3,-2) and increasing...

Math(Please help)
use the given information to solve the triangle. C= 85 degrees 20' a = 35 c = 50 I know that I have to find A,B,b but I do not know how to do this.

Math
use the given information to solve the triangle. C= 85 degrees 20' a = 35 c = 50 I know that I have to find A,B,b but I do not know how to do this.

physics
A steam turbine operates between hot and cold reservoir temperatures of 538 degrees celcius and 92.1 degrees celcius respectively. If heat is supplied at a rate of 238 MW, what maximum amount of power could the turbine deliver?

Math
thanks!

Chemisty/Bio
Is a environment that is hypoxic or anoxic the same as acidic?? I am a little confused how the two relate to each other?

physics
A pigeon in flight experiences a force of air resistance given approximately by F=bv2, where V is the flight speed and B is a constant. A) In terms of SI units, what are the units for the constant "b"? B) What is the largest possible speed of the pigeon if its maximu...

Math(Correction)
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan Q = 2sqrt6 a) cos Q b) cotQ c) cot(90 degrees - Q) ...

Math(Correction)
Error

Math(Correction)
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan = 2sqrt6 a) cos Q b) cotQ c) cot(90 degrees - Q) d)...

Math(Correction)
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. Sorry for the mistake. They are two seperate functions and i need...

Math
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its cofunction of a complementary angle) to find the indicated trigonometric functions. sec Q = 5 tan = 2sqrt6 a) cos Q b) cotQ c) cot(90 degrees - Q) d...

grant preposals
Distinguish between a project-wide evaluation plan and an objective-oriented evaluation plan.

Pre-Cal(Please help)
Error

Pre-Cal (Please help)
Identify any asymptotes of the graph. y = 1.08^5x I know that there is a horizontal asymptote but I do not know how to find it.

Pre-Cal
Identify any asymptotes of the graph. y = 1.08^5x I know that there is a horizontal asymptote but I do not know how to find it.

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