# Posts by Lou

Total # Posts: 198

PreAlegebra
How did you get 80x40?

PreAlegebra
The club was given materials to build 160 feet of fence. If they used the auditorium wall for one side of their garden, what size rectangle should they make to have the largest area? If w represents the width of the rectangle and is perpendicular to the auditorium wall, what ...

Algebra
A car rental agency charges ?\$175 per week plus ?\$0.2 per mile to rent a car. How many miles can you travel in one week for \$355 question mark

math
how you arrange the following to ascending order 8/7, 8/3, 8/4, 8/8

Art
what national values were the Japanese likely trying to convey by including a portrait of famous philosophers Yukichi Fukuzawa on the following pieve of currency? A. wisdom and education ** B. power and prosperity C. strength and indurance D. peace and prosperity I think A

Trigonemtry
The sun is 25° above the horizon. Find the length of a shadow cast by a building that is 100 feet tall (see figure). (Round your answer to two decimal places.)

argosy
Cory has a collection of nickels, dime and quarters with a total value of 2.55. There are 6 more dimes than nickels and twice as many quarters as nickels. How many of each coin is in her collection?

Art
Yes, thank you Phoenix, you're right. I got 4/4

AP CHEMISTRY
The equilibrium constant for the reaction PCl3(g) + Cl2(g) ⇀↽ PCl5(g) is 35000 at 760 ◦C. At equilibrium, the partial pressure of PCl5 was 150 bar and that of PCl3 was 8.12 bar. Calculate the equilibrium partial pressure of Cl2. Answer in units of bar. I got ...

english
unscramble 14 letters into 3 words

Math Word Problem
Can you show me how, thanks.

Math Word Problem
Can someone please check this one, this is a word problem, not a greater than or less question. How much greater than -10.4 is -6.52? -10.4 - -6.52 = -3.88 is this correct?

Math
Ms. Sue, can you check this one, please, this is a word problem, not a greater than or less question. How much greater than -10.4 is -6.52? -10.4 - -6.52 = -3.88 is this correct?

Math
I need help with this: 0 x -8 (it is 0 multiplied by negative 8) The answer is came up with is 0 is this correct?

math
Steve, this is a word problem. Not a greater than or less than problem. So can you please recheck, thanks.

Algebra 2
Does this verbal phrase translate into the algebraic expression correctly? The quotient of seven times a number and three (7x) / 3

physics
A kayaker paddles at 4.0 m/s in a direction 30° south of west. He then turns and paddles at 3.7 m/s in a direction 20° west of south. I know the formulas but having trouble figuring out the degree of angle. Ax=4(cos30)= 3.4641 Ay=4(sin30)= 2 Bx=3.7(cos20)= 3.477 By=3.7...

Chemistry
How does the presence of HCl affect the charges on weak complexes?

Calculus
Let f(x) be the function f(x)={x2−c for x<4, {3x+4c for x≥4. Find the value of c that makes the function continuous.

physics
a 22 kilo ohm resistor having a tolerance of 10% has failed. you have on hand five resistors, valued at 120, 220, 47, 33 and 120 kilo ohm respectively. what combination of these would you choose to connect in parallel to replace the failed component?

algebra
how can you write a proportion that solves a problem in real life? can someone give me some ideas please?

algebra
evaluate the expression when x = 10, y = -2 and z = -5 x/y= _____

biology
How do changes in the nucleotide sequence lead to mutations and how could this affect the primary structure of proteins?

Scientific Literacy
tell us the answer for all the questions.

statistics
construct a 95% confidence interval estimate for the population mean MPG of 2010 family sedans, assuming a normal distribution.

math
Find the maturity value on a loan of 10,500 @ 8 1/2% interest for 18 years using the MV=P+I

Chemistry
If a plant has 88.0 g carbon dioxide and 64.0g water available for photosynthesis determine: a the limiting reactant b. the excess reactant and the mass in excess c. the mass of glucose produced

physics
a great amount of water vapor changes phase to become liquid water droplets in the clouds that form a thunder storm. Does this phase change release or absorb energy?

physics
explain why we sweat when it is hot? How does it help us? In terms of heat and temperature what happens

Science
I know the first one can be .5mm

math
Select the approximate values of x that are solutions to f(x) = 0, where f(x) = -2x2 + 2x + 2.

math
solve for d if ddd base 5 = 124

math
A data processing unit has four rows of terminals with six terminals in each row. A second unit has nine rows of terminals with five terminals in each row.

Marketing
Are investment spending market tests a good strategy or a waste of time and overly cautious? I'm working on a case study and I'm having trouble picking a side to argue. The instructor wants us to decide how promotion money should be allocated in the case. The full case...

marketing
I'm working on a case study and I'm having trouble picking a side to argue. The question is, Is the investment spending market test a good strategy or a waste of time and overly cautious? The instructor wants us to decide how promotion money should be allocated in the ...

electronics technician
21. After the third time constant, what is the current in an inductor if the steady state circuit current is 10 amps?

algebra
how do i figure: (-12a^2b^6)^3 over (9a^3b^9)^3

math
64

business
Late payment of medical claims can add to the cost of health care. An article (M. Freudenheim, “The Check Is Not in the Mail,” The New York Times, May 25, 2006, pp. C1, C6) reported that for one insurance company, 85.1% of the claims were paid in full when first ...

statistics
a. Compute the mean, median, and mode. b. Compute the variance, standard deviation, range, coefficient of variation, and Z scores. Are there any outliers? Explain. c. Are the data skewed? If so, how? d. Based on the results of (a) through (c), what conclusions can you reach ...

business
1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious Learning about ...

business
1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious Learning about ...

business
1.21 Three professors at Northern Kentucky University compared two different approaches to teaching courses in the school of business (M. W. Ford, D. W. Kent, and S. Devoto, “Learning from the Pros: Influence of Web-Based Expert Commentary on Vicarious Learning about ...

simple interest
if i deposit 3,500 dollars at and intrest rate of 71/2% per year for 5 years what would my interest amount be?

Physics
a.) 25.6m/s

macroeconomics
Referring to the table in question 10, suppose improvement occurs in the technology of producing forklifts but not in the technology of producing automobiles. Draw the new production possibilities curve. Now assume that a technological advance occurs in producing automobiles ...

ENGLISH check
J-Rob is right. Answers are: 1.B 2.D 3.A 4.A 5.B

Honors Chemistry
An aqueous solution of NaCl has a concentration of .500 M. 35.0 mL of this solution is allowed to evaporate to a volume of 20.0 mL. a) Is the solution more concentrated or more dilute afterwards? b) What is the new concentration of the solution?

Theory
If an experiment doesn't agree with the the theory, then this means that the theory is incorrect? please give explain why or why not

Socials
Oops, sorry. This was on the discussion of Louis Riel's conviction of high treason.

Socials
I have no idea how to answer this. Write a paragraph from Macdonald's point of view defending the decision you have made. Keep in mind your desire to look good politically and personally in your quest to get re-elected. What decision did Macdonald make??

Math
7- quarters; quarters and dimes; quarters, dimes, and nickels; quarters, dimes, nickels, and pennies; quarters and nickels; quarters, nickels, and pennies; quarters, dimes, and pennies

organic chem
when di-n butyl ether and hot concentrated naoh react----> nor rxn .. why? when di n butyl ether reacts with na metal---> nor reaction .. why?

physics
Calculate the weight (in English units) of a 2300 kg tiger.

gender roles
what are characteristics and behaviors that are associated with being male and female in or society?

horizontal displacement physics
how do we find horizontal displacement in physics?

chemistry - crude product
WHAT IS THE CRUDE PRODUCT IN RECRYSTALLIZATION?

english-personal growth
what is a personal growth paper?

chem (significant figures)
what are the errors in the measured values g=9.910 m/s^2 amd 9.805? true value 9.797 for 9.910 i got 0.113 and for 9.805 i got 0.008. i know i need for significant figures but i got three in my answer. so what do i do?

math(significant figures)
A pipe is measured once with a steel tape with markings every .1mm.The two ends of the pipe line up with the 0 and 40-m marks onthe tape. How should this datum be recorded using theappropriate number of significant figures? exolain how you figured it out

I meant to say math
math subject

chem
the RDA of the amino acid lysine is 12 mg per kg of body weight. How many grams per day should a 77.0 kg adult receive?

ochem
In a sn2 reaction why do we need sp3 hybrid orbital and not sp2 for the substrate

history
What are three myths about the New World and the Indians (Virgin land, inferior, Noble savage)

Math Finance
joan wants to start an IRA that will have \$250,000 in it when she retires in 18 years. How much should she invest nnually in her IRA to do this if the interest is 4% compounded annually round to the nearest cent

math
Lynn is correct. 1/2 of a small salad is less than 1/2 of a large salad

mecs101
discuss a modern middle eastern country's attempt to either codify or replace shariah law.

middle east culture
what are some of the different ways that the shariah can be interpreted and applied to modern society?

mecs
compare the formation of Islamic law to what you know of development of Western legal sytems?

mecs 101
How has Islamic law attempted to adapt to modernity?

basic chemistry
a substance that cannot be broken down into susbtances by ordinary chemical means is

chem
why doesanhydrous hydrogen bromide add to 1-pentene to afford a racemic mixture of. 2-bromopentane, and not 1-bromopentane.

Math
The market trades in three fixed-income securities: A, B, and C. Security A is a 2-year bond paying 40 at date 1 and 80 at date 2. Security B is a 1-year bond paying 50 at date 1. Security C pays 30 at date 1 and 40 at date 2. Prices are pa=100, pb=45 and pc=62. Determine the ...

chem
Does anyone know what graph you would obtain if the fractional distillation had been a complete separation of pure toluene or pure cyclohexane?

physics
what is the average velocity of a vehicle that uniformly accelerates from rest to 38 fps?

Math
A plumber makes \$4.50 per hour more than his apprentice. During an 8-hour day, their combined earnings total \$372. How much does each make per hour? (hint: if you decide to use cents instead of dollars,then use 450 cents per hour and 37200 cents total earnings)

calculus
A bicyclist is riding on a path modeled by the function f(x) = 0.03x, where x and f(x) are measured in miles. Find the rate of change of elevation when x = 3.

Math
For this problem, I need help creating a chart for this: Brian O'Reily earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are \$150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much ...

Math
Brian O'Reily earns twice as much each week as a tutor than he does pumping gas. His total weekly wages are \$150 more than that of his younger sister. She earns one quarter as much as Brian does as a tutor. How much does Brian earn as a tutor?

Algebra
The difference of two integers is 9. Five times the smaller is 7 more than three times the larger. Find the numbers.

Calculus
Find the distance traveled in 45 seconds by an object traveling at a velocity of v(t) = 20 + 2cos(t) feet per second.

medical billing
Discuss the relationship between patient registration and the hospital charge master.

US/ 101
Have you ever used mnemonics to remember something complicated? If so, describe the techniques you have used. What ways might you use mnemonics to be a more effective college student and adult learner?

math
5322.74

math
Water is flowing at a rate of 10 m3/s into the cylindrical tank shown below. a) Find the volume V of the water as a function of the water level h. b) Find h as a function of the time t during which water has been flowing into the tank. height of cylinder: 80m height of water...

math
how do you solve -4<2x-3<4

math
how do you solve -4<2x-3<4

math
actually i graphed it and they're -4,0,and 4 but i don't know how to show my work

math
find x intercepts y=x(sqrt16-x^2) all real numbers?

math
why is it not -(x-5)(x+5) wouldnt you have to factor out a negative first so the x^2 isnt negative?

math
factor (25-x^2)

Chem
A) Calculate the pH of a buffer system that is 0.06 M HNO2 and 0.160 M NaNO2 B) What is the pH after 2.00 M NaOH are added to 1.00 L of this buffer I can do part A but I don't know how to part B

Chem
So Cu--> Cu2+ +2e- is losing electrons, right? Because its becoming positive

Chem
For this equation 2 Ag+ (aq) + Cu(s) <--> Cu2+ (aq) + 2 Ag(s) Which occurs at the anode? A. Cu --> Cu2+ + 2e– B. Cu2+ + 2e– --> Cu C. Ag+ + e– -->Ag D. Ag --> Ag+ + e– A, right because it's oxidation?

Chemistry
Suppose you had an unknown solution that contained either dissolved NaCL, or NaNO3. You added AgNO3 to the unknown solution and observed that no solid forms. What can be concluded about the unknown solution? (use the solubility rules

Chemistry
Suppose you had an unknown solution that contained either dissolved NaCL, or NaNO3. You added AgNO3 to the unknown solution and observed that no solid forms. What can be concluded about the unknown solution? (use the solubility rules

Chemistry
Suppose you tired to carry out a double-replacement reaction by mixing together equal volumes if a solution that contained dissolved NaF and a solution NaCl. Would you expect a reaction, if Si write the balanced chemical equation

English
S-V-DO

center of mass
3 point mass of 4g placed at x=1,3,-6. where should a point fourth mass of 4 gm be placed to make the center of the mass at the orgin? this what i got : -24+4+12+4x/16=-8+4x/16. this what i did but i didn't get the right answer(which is 2) can someone tell me what is the ...

spanish
i need to give commands to fix the following sentences: 1.El perro tiene hambre 2.hay mucha basura en la cocina 3.los platos,la alformba y el coche estan sucios,yhay polvo en las mesas.

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