Tuesday

July 29, 2014

July 29, 2014

Total # Posts: 2,146

**Odd or Even function?**

f(x)=x^3 + sin x So far.. I've heard it's neither.. But how? Thanks

**math**

if an office has an area of 120 sqare feet and a perimeter of 44 feet. what are the dimensions of this office.

**math**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?

**adv functions**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?

**Chemistry**

We apply the same amount of energy to 10.0-g samples of aluminum, and silver which begin at the same temperature.Rank the metals from highest to lowest temperature after the heat is applied.

**math**

is that just the units?

**math**

what is rev?

**math**

The CD player in your computer rotates a disc at 7200rmp. Determine its velocity in: a)degrees per second b)radians per minute

**math**

1.A child chooses a horse to ride on a carousel. The horse is located 9m from the centre of the carousel. If the ride turns through an angle of 128pie/27 determine the length of the arc travelled by the horse.

**Grammar**

Thank you so much!!

**Grammar**

Hello! I am doing a presentation on the green sea turtle. I unsure what part of "green sea turtle" should be capitalized if at all. I am seeing it multiple ways online. Any advice would be greatly appreciated. Thanks!

**math**

Find a six-digit even number containing no zeros and no repeating digits in which the first digit is four more than the second digit, the third digit is one less than the sixth digit, and the fourth and fifth digits when read as a single number equal the product of the first a...

**Algebra**

12(2nd power)/24(2nd power)/6(2ndpower)= Simplify I got 144/576/36 is this right?

**psychology Help**

How did Erik Erikson progress through the hierarchy of needs difined in Maslows theory. So for physiological needs-These include the most basic needs that are vital to survival, such as the need for water, air, food, and sleep. How/what would be an example of Eriks process in ...

**psychology HeLp**

How did Erik Erikson progress through the hierarchy of needs difined in Maslows theory. So for physiological needs-These include the most basic needs that are vital to survival, such as the need for water, air, food, and sleep. How/what would be an example of Eriks process in ...

**psychology**

What motivated Erik Erikson to achieve in life? Would his own personal experiences in life be considered a motivation? Example: Changing his last name to make his own identity, his 8 phychosocial stages...

**Psychology**

Is Maslow's hierarchy universal? Do you see it applicable in other cultures? After reading/researching Maslow's theory of motivation we all share a compelling need to "move up", to improve ourselves, and than we become self-actualized. So to me this would not...

**Physics**

A massless string is wrapped around a cylinder of mass 0.400 kg and radius 0.100 m. The string is attached to the ceiling. The cylinder is released. As it falls, the string unwinds. What is the magnitude of the acceleration of the cylinder as it falls in m/s2? A.3.27 B.6.54 C....

**Physics**

A pendulum is composed of a mass m suspended from the ceiling by a massless string of length L. If the mass is pulled back so that it is raised an amount L/4 and then released, what is the tension on the string at the bottom of the swing? A.3 mg B.4 mg C.2 mg D.5/2 mg E.3/2 mg...

**geometry**

how to write an equation in slope intercept form of the line through point P(8,20 with slope 4?

**math**

for the equation y = 1x - 25, will the value of y increase or decrease as x increases?

**algebra**

2x+8y-8z-22 x+2y-2z=3 5x+7y+z=-13 solve by gaussian elimination

**algebra**

a can of soda at 80 F is placed in a refrigerator that maintains a constant temperature of 37 F the temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t)=37+43e^-0.058t find temp to the nearest degree of the soda after 7 minutes when to th...

**Math**

can you guys help me with this one problem? Thanks a bunch! Problem: Draw a circle whose center is at (1,2) so that the point (1,5) is a point on the circle. What is the circumference of the circle. I don't get this so please help!!!

**ALGEBRA**

x(x+2)=528 x^2+2x=528. At this point complete the square (x+1)^2=529 x+1=+/-square root 529 x=-1+/-23 The two solutions are 22,-24. Remember that is wants even integers. 22(24)=528

**Transportation and Security**

what are potential vulnerabilities of airplanes?

**transportation and cargo**

would these agencies have the biggest impact on global transportation security post 9/11. • TSA • Federal Emergency Management Agency (FEMA) • United States Citizenship and Immigration Services (USCIS) • U.S. Customs and Border Protection (CBP) • U.S. ...

**transportation and cargo security**

Thank you.

**transportation and cargo security**

what agencies had the biggest impact on global transportation security post 9/11. would this be like... • TSA • Federal Emergency Management Agency (FEMA) • United States Citizenship and Immigration Services (USCIS) • U.S. Customs and Border Protection (CBP...

**Microeconomics**

The answer is $4,000

**chemistry**

so d then

**chemistry**

e?

**chemistry**

e?

**chemistry**

e?

**chemistry**

A reaction will be nonspontaneous under all conditions when a. delta G is negative b. delta H is negative and DS is positive c. delta H is positive and DS is negative d. delta H is positive independent of the value and sign of DS e. delta S is positive independent of the value...

**chemistry**

not getting right answer how do you set it up?

**chemistry**

d?

**chemistry**

Calculate the value of ()Go for the following reaction , given the standard free energies of formation listed below each ion. Ag(SO3)_2^3- -> Ag+ + 2SO32- delta Gf, kJ/mol = -943 +77 -497 a. - 1860 kJ b. – 128 kJ c. + 26 kJ d. - 369 kJ e. + 523 kJ help no idea

**chemistry**

delta G for a reaction can be calculated from 1. delta Gf data 2. delta Hf and delta S data 3. equilibrium constants a. only 1 or 2 or 3 b. 1 & 2 only c. 1 & 3 only d. 2 & 3 only e. 1, 2 & 3 help

**chemistry**

delta G for a reaction can be calculated from 1. delta Gf data 2. delta Hf and delta S data 3. equilibrium constants a. only 1 or 2 or 3 b. 1 & 2 only c. 1 & 3 only d. 2 & 3 only e. 1, 2 & 3 help

**chemistry**

Free energies of formation are a. always positive b. always negative c. never zero d. measured at 298K e. more than one response above is correct help thinkin a though

**chemistry**

Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is 2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227C Using delta H = 81.2 kJ and delta S = 128 J/K, calculate the value of the equilibrium constant for this reaction. a 1.60 X 10-2 b. 2.1 X 10-7 c. 62.8 d. 4.9 X 1...

**chemistry**

still not getting ans

**chemistry**

the new delta s= .128 81.2-(227x.128)=52.144 52.144=-rtlnk what is rt?

**chemistry**

Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is 2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227C Using delta H = 81.2 kJ and delta S = 128 J/K, calculate the value of the equilibrium constant for this reaction. a 1.60 X 10-2 b. 2.1 X 10-7 c. 62.8 d. 4.9 X 1...

**chemistry**

For a particular reaction delta G is more negative than delta H. This means that a. delta S is zero. b. deltaS is negative c. delta S is positive d. delta S is negative if delta H is positive. e. delta S is negative if delta H is negative. i thought it was c?

**chemistry**

d?

**chemistry**

how do i set this up?

**chemistry**

The standard molar entropy value of N2 (g) is 191.5 J/K-mol, of O2 (g) is 205.0 J/K-mol and of NO2 (g) is 240.0 J/K-mol. From these values we can calculate the Delta S for the reaction N2 (g) + 2 O2 (g) produces 2 NO2 (g) to be a. – 156.5 J/K b. 636.5 J/K c. 15.5 J/K d. &...

**chemistry**

so d?

**chemistry**

q1=c q2 what am i looking for?

**chemistry**

q1)Which entries below should have the highest standard molar entropy? a. SiCl4 (s) b. CCl4(l) c. CCl4 (g) d. SiCl4 (l) q2) For the above, which should have the next highest standard molar entropy?

**math**

Area A sequence of smaller squares is formed by connecting the midpoints of the sides of a larger square. (a) If the area of the largest square is 1 square unit, determine the first five terms of a sequence that describes the area of each successive square. (b) Use a formula t...

**math**

Amit investment $750 at 8.2% per year and $1,300 at 4.9% per year.Both investments earn simple intrest.Whoch investment earns more simple intrest in a year? Show your work.

**Transportation and Cargo Security**

This is what I have so far... We have a strong and efficient transportation system which provides businesses with access to materials and markets, and provides people with access to goods, services, recreation, jobs, and other people. The U.S. transportation system includes th...

**Transportation and Cargo Security**

THIS IS THE FULL QUESTION I AM ASKED TO DO. Identify an asset such as an airport or a shipping company within the global transportation system. Develop and describe a security system that you feel would be most appropriate to protect the assets of the organization selected by ...

**Transportation and Cargo Secuirty**

THIS IS THE FULL QUESTION I AM ASKED TO DO. Identify an asset such as an airport or a shipping company within the global transportation system. Develop and describe a security system that you feel would be most appropriate to protect the assets of the organization selected by ...

**Transportation and Cargo Secuirty**

So I could put Austin Straubel International Airport at Green Bay

**Transportation and Cargo Secuirty**

Identify an asset such as an airport or a shipping company within the global transportation system. What does this mean? What is an asset of an airport or shipping company?

**transportation and cargo security**

I think I am thinking too much into this assignment. I was thinking thats what to write but than I second guess myself. Thank you for your help!

**transportation and cargo security**

Im chose to write about Air travel and I don't understand what it is ment by the public utilization of the system.

**transportation and cargo security**

Research the various U.S. transportation systems and identify the appropriate one to use for your case study. Research the selected system carefully and prepare a brief summary. The summary should include the following: An introduction to the system. Public utilization of the ...

**division of decimals**

.160416 divided by 4

**Honors Chemistry**

1. What is the pH of a solution whose [H3O+] is 1 X 10^ -5 M? 2. What is the [H3O+] concentration of a solution with a pH of 9? 3. What is the pH of a solution whose [H3O+] concentration is 3 X 10^-3 M? 4. What is the pH of a solution with a [H3O+] concentration of 1 X 10^ -12...

**Math**

A warranty identification number for a certain product consists of a letter of the alphabet followed by a seven-digit number. How many possible identification numbers are there if the first digit of the seven-digit number must be nonzero?

**government**

B: Tort law definition: "A civil wrong, other than a breach of contract, which the law will redress by an award of damages."

**math**

there are 5 balls in a bag.3 are white and 2 are blue. what part is white?

**chemistry**

A compound weighing 115 g contains 68.3 g of carbon, 13.2 g of hydrogen, 15.9 g of nitrogen, and some amount of oxygen. What is the mass percent of oxygen in the compound?

**statistics**

Assume that a sample is used to estimate a population proportion p. Find the margin of error. 95% confidence; n = 250, x = 130

**statitics**

Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8% of all such tires produced are defective. What is the probability that in such a sample 150 or fewer tires will be defective

**statitics**

Suppose that a sample of n = 1,600 tires of the same type are obtained at random from an ongoing production process in which 8% of all such tires produced are defective. What is the probability that in such a sample 150 or fewer tires will be defective

**statistics**

Suppose that SAT scores among U.S. college students are normally distributed with a mean of 450 and a standard deviation of 150. What is the probability that a randomly selected individual from this population has an SAT score at or below 600?

**statistics**

Jack’s ACT score is 30. Jason’s SAT score is 950. Who did better? The mean SAT score is 1000 with a standard deviation of 100 SAT points. The mean ACT score is 22 with a standard deviation of 3 ACT points

**Calculus**

Find the volume of the solid formed when the area bounded by x^2-y^2=9, y=x+5, and the x axis is rotated about x=1.

**Math**

Boys have to be either 3, 6, 9, or 12 because you have to be able to take 2/3 of them and get a whole number. The number of girls for each of these cases is 10, 7, 4, 1. You have to be able to take 1/4 of this number and also get a whole number, 4 is the only one that works so...

**Math 8 **

6 1/2 joules. particles looses 0.08 joule of energy every 15 seconds what will energy after 4 minutes. Would this be 6 1/2 - 1.28 divide by 4

**Math 8 **

how do you dilate a figure under 1

**Math**

6 divided by 1.00 will tell you how much each one is.

**chemistry**

A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 2.35 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?

**chemistry**

A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 2.35 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?

**math**

alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.

**math**

alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.

**Physics**

This is all that was given

**Physics **

Calculate AMA given μk = 0.019 and an angle of 11 degrees.

**bio**

i got D

**Economics**

I was guessing between A or D. Thank you, David. Greatly appreciate it.

**Economics**

The spirit of equating marginal cost with marginal revenue is not held by a.perfectly competitive firms. b.oligopolistic firms. c.perfectly competitive firms and oligopolistic firms. d.none of the statements associated with this question are correct.

**Economics**

Two identical firms compete as a Cournot duopoly. The demand they face is P = 100 - 2Q. The cost function for each firm is C(Q) = 4Q. The equilibrium output of each firm is: A. 8 B. 16 C. 32 D. 36

**Mangerial Economics**

Consider a Cournot duopoly with the following inverse demand function: P = 50 - 0.2Q1 - 0.2Q2. The firms' marginal cost are identical and given by MCi(Qi) = 2. Based on this information firm 1 and 2's reaction functions are A) r1(Q2) = 4.8 - 0.5Q1 and r2(Q1) = 4.8 - 0....

**math**

Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $350 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will be able to borrow the majority of the money nee...

**Maths**

Square root of 12 using prime factor form? Square root of 320 using prime factor form? Square root of 36 using prime factor form?

**english**

briefly summarizing the theory and discussing at least two of the “Seven Intelligences” that apply most closely to you, providing examples to illustrate your point.

**physics**

A 0.23 kg ball of dough is thrown straight up into the air with an initial velocity of 12 m/s.Find the momentum of the ball of dough halfway to its maximum height on the way up.

**HS Chem**

Using terms of equilibrium, what is the difference between spilling a glass of milk versus ozone eminating from your copy machine?

**Math 7th Grade**

A car cost $65 per day to rent plus $.35 per mile. Joe rents car for 1 day and drives 115 miles. what is the equation and the solution. The solution is pretty simple $65 + .35x115 = 105.25 I can't figure out the equation.

**chemistry**

Using standard heat of formations. (Appendix II in text). Calculate the standard enthalpy change for the combustion of methane. CH4 (g) + 2 O2 ---¨ 2CO2(g) + 2H2O (l) ƒ¢H0 = ?

**Chemistry**

Calculate the [H+], [OH ‾ ], and the pH of 0.16 M solutions of: hydroxylamine (HONH2, Kb = 1.1 10-8)

**Chemistry**

Calculate the pH of a 5.90x10-3 M solution of H2SO4.

**Chem Acids/Bases**

A 25.00 mL sample of H3PO4(aq) requires 31.05 mL of 0.2410 M KOH for titration to the second equivalence point. What is the molarity of the H3PO4(aq)?

**Chemistry**

Write the dissociation reaction and the corresponding Ka equilibrium expression for each of the following acids in water. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer. Omit water in your answer.) (a) HC_2H_3O_2 (b) Co(H2O...

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