# Posts by jenny

Total # Posts: 1,591

**calculus**

Two positive numbers have a sum of 60. what is the maximum product of one number times the square of the second number? a) 3481 b) 3600 c) 27,000 d) 32,000 e) 36,000 So Idk if this is right, but I have .... x+y=60 p=xy^2 p=x(60-x)^2 P'=-2x(60-x)+(60-x^2) x=.5021 x= 119.498...

*December 14, 2010*

**calculus**

Suppose that log2 = a and log3 = b Solve for x in terms of a and b: 6^x = 10/3 - 6^-x

*December 6, 2010*

**material science/ chemistry**

why are metals so apt to corrode while polymers are immune to corrosion?

*November 30, 2010*

**Physics**

A 250-gram pendulum bob is initially constrained at a 53 degree angle by two strings. When the horizontal string is cut the pendulum begins to swing. As the pendulum bob passes through its equilibrium position, what will be its velocity?

*November 29, 2010*

**English**

a. Paragraph one – Describe the subject that you are writing about, and say why this subject is important. b. Paragraph two – State the current situation associated with this subject(s). What is happening now in the field that triggered you to write an article about ...

*November 29, 2010*

**Physics**

A 250-gram pendulum bob is initially constrained at a 53 degree angle by two strings. When the horizontal string is cut the pendulum begins to swing. As the pendulum bob passes through its equilibrium position, what will be its velocity?

*November 29, 2010*

**Math**

Write the numeral 436eight in base ten

*November 27, 2010*

**Access Nested IIF statement**

Could someone please help me with my nested IIF statement? I am getting different errors for i such as "wrong number of arguments" and "missing bracket or closing parentheses." When I start adding parentheses then it will say wrong # of arguments. Any help ...

*November 24, 2010*

**reworded my question, please read this**

So for my essay, in paragraph 1, I explained what I have to say in my original post. In paragraph 2, I have to state the current situation associated with this subject(s). What is happening now in the field that triggered you to write an article about this subject(s). So I ...

*November 23, 2010*

**english essay, please proof read**

I have to write an essay on the chloera of haiti. For my intro, I have to write explain the subject and why it's important. I haven't written why it's important yet, but I described my subject. Can you please check to see if it's okay. Also, my essay only has ...

*November 23, 2010*

**chemistry**

Iron metal CANT reduce Fe3+ to Fe2+. Why?

*November 19, 2010*

**Accounting**

A credit saleof $800.00 is made on April 25th, terms 2/10, n/30, on which return of $50.00 is granted on April 28th. What amount is received as payment in full on May 4th?

*November 16, 2010*

**Math**

1. Whole Numbers/aren't whole numbers 11,8,16,9,20,50,100/ 4.5,3/5,8.6,14 1/2 2. Decimals/fractions/whole number 4.5,8.6/ 3/5,14 1/2 / 11,8,16,9,20,50,100 3. Prime Numbers/ Decimal Fractions/composite numbers 11/ 8.6,3/5,14 1/2 / 20,50,8,16,100,9

*November 16, 2010*

**geometry**

If Ef=2x+7 and GH=5x-1 what is Ef?

*November 6, 2010*

**English**

Are there any websites about medieval attitudes about Jews? In google i mostly get websites about a book.

*November 5, 2010*

**English**

Is there a difference between a root word and a base word, or are they the same thing?

*November 3, 2010*

**social studies**

what are some details for saying no to amendment 8?

*November 2, 2010*

**social studies**

can you help me start my persuasive essay on saying no to amendment 8 2010?

*November 2, 2010*

**Social Studies- Jekyll Island**

The 4-H Center was originally the Dolphin Club & Motor Hotel. The group of african americans that built the structure formed in 1956 as the St Andrews Beach Corporation. In August of 1959 the hotel opened but the corporation folded & sold the hotel to the Jekyll Island ...

*October 28, 2010*

**math**

i need help on # 3

*October 27, 2010*

**Math**

I wasn't sure of the conversion thank you very much.

*October 24, 2010*

**Math**

2/3 of 5/6 of xis the same as 3/4 of 4/5 of y. What is the value of x/y as a fraction in lowest terms?

*October 24, 2010*

**math**

Excuse me ...are you there?

*October 24, 2010*

**math**

I need to solve for x and y. Sorry

*October 24, 2010*

**math**

2/3 of 5/6 of x = 3/4 of 4/5 of y

*October 24, 2010*

**spanish**

i need these words unscrambled for spanish isasll sitvieleon ipsos

*October 20, 2010*

**Physics**

What physical phenomenom might produce emission spectra?

*October 17, 2010*

**algebra 2**

suppose you are enclosing a rectangular area to create a rabbit cage. you have 80 ft of fence and want to build a pen with the largest possible area for your rabbit, so you build the cage using an existing building as one side. make a table showing the areas for some selected ...

*October 15, 2010*

**Math**

In Mathematics: how much interest will you have to pay for a credit card balance of $554 that is one month overdue if a 20% annual rate is charged?

*October 11, 2010*

**Intermediate Algebra**

malay ko sau bhala ka!!!

*October 11, 2010*

**chemistry**

what is the chemical equation of this problem

*October 10, 2010*

**math**

jim wants to place carpet in his living room.the dimensions of his living room are 15 3/4 feet by 18 1/8 feet.aprocimately how many square feet of carpet does he need to cover his living room????thanks for helping

*October 9, 2010*

**algebra**

Evaluate x+y/5 for x = 34 and y = 6

*October 5, 2010*

**math**

An elf has a staircase with 10 steps to climb. Each step it takes can cover either one stair or two stairs. In how many ways can the elf climb the stairs? For n stairs?

*October 3, 2010*

**accounting 2**

allen company sells flags with team logos. Allen has fixed costs of $588,000 per year plus variable costs of $ 5.50 per flag. Each flag sells for $ 12.50.

*October 2, 2010*

**Physics**

A pilot with a mass of 50 kg comes out of a vertical dive in a circular arc such that at the bottom of the arc her upward acceleration is 3.5g. (a) How does the magnitude of the force exerted by the airplane seat on the pilot at the bottom of the arc compare to her weight? (b...

*September 29, 2010*

**calculus**

consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (-1,y2) where y1=?, y2=?

*September 28, 2010*

**calculus**

consider the function f(x)=2x^2 +1. its tangent line at x=2 goes through the points (2,y1) and (-1,y2) where y1=?, y2=?

*September 28, 2010*

**calculus**

if the tangent line to the function f(x)=ãx +a at x=16 has equation y=mx+6. find a and m. you may use the fact that f'(x)= 1/(2ãx)

*September 28, 2010*

**calculus**

for the function f(x)=4x^2 +7, find the equation of the tangent line to the graph of f at x+1. if the equation of the tangent line is written as y=mx+b. m=? b=?

*September 28, 2010*

**chemistry**

what flaws exist in Dalton's model of the atom?

*September 26, 2010*

**Microeconomics**

How did you get that answer pam??

*September 23, 2010*

**science**

of all the visible objects in the celestial sphere, which one appears to move the least? why?

*September 17, 2010*

**science**

which visible object in the celestial sphere moves the least? why?

*September 17, 2010*

**calculus**

if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t^2+13t+1. find the height of the object at the time whent eh speed is zero

*September 14, 2010*

**math**

the unit rate for 442 mi in 8.5 hr

*September 14, 2010*

**calsulus**

if h(t) represents the height of an object above ground level at time t and h(t) is given by h(t)=-16t^2+13t+1 find the height of the object at the time when the speed is Zero. h(t)=?

*September 14, 2010*

**sociology**

Using sociological imagination, analyze the scenary: Susy is a sophomore in college and get pregnant. Her boyfriend end up the relationship. Susy now drop all her classes

*September 8, 2010*

**algebra 2**

A chemist mixes some 20% acid solution with pure 100% acid to increase the concentration. How much pure acid and acid solution should be mixed to form 100 milliliters of 40% acid solution?

*September 3, 2010*

**physics**

A viaduct is being re-levelled by using a jackscrew with a pitch of 5mm. The mass of the top slab of the viaduct is 20 tonnes (20000kg) and its length is 40m. The lever arm used to turn the jackscrew is 60 cm long. Calculate the effort force to be applied to the end of the ...

*September 2, 2010*

**science**

an object has a volume of 74cm cubed and a density of .88g/cm cubed. What is the mass of the block?

*August 31, 2010*

**com155 english**

The issue about interest rates is the same as the supply-and-demand concepts. The higher the interest goes, the lower the demand on the market. The negative thing about low interest rates is that there is a tendency to increase prices of items because of the high rate in ...

*August 30, 2010*

**dynamics, check my ans**

Three identical train locomotives, on separate tracks, apply the maximum force needed to begin moving. The first train consists of a single empty freight car, the second train consists of 50 empty freight cars, and the third train consists of 50 equally loaded freight cars. ...

*August 26, 2010*

**Science**

I don't really get the question can someone explain to me?

*August 21, 2010*

**Science**

An area in your state has been flooded due to heavy rains. How might scientists from the three main branches of science interact in their study of the flood, its effects, and how future flooding might be controlled? Life science, Earth science, and physical scicence.

*August 21, 2010*

**Math**

Find the vertex of F(x) by using the formula for the x-coordinate of the vertex. F(x)= 4x^2 - 3x - 6 I don't exactly understand this question. could someone clear it up and help me solve it? Thanks!!

*August 18, 2010*

**French**

What is your favorite school subject? ^^

*August 18, 2010*

**Chemistry**

Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 351 mmHg measures at the same ...

*August 13, 2010*

**Chemistry**

Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 351 mmHg measures at the same ...

*August 13, 2010*

**U.S government**

sweet

*August 12, 2010*

**U.S government**

it can't be B or C so im thinking A

*August 12, 2010*

**U.S government**

Under the Articles of Confederation, what kinds of cooperation did the states agree to? A. work together to establish a judiciary for enforcing national laws B. pool their resources to form a national currency C. uphold each others' legal documents D. impose an income tax ...

*August 12, 2010*

**U.S government**

:) yea ive been having to think real hard. i so wish i didn't have to take this test

*August 12, 2010*

**U.S government**

thats what i guessed. geez this test is hard to pass

*August 12, 2010*

**U.S government**

Which quotation taken from the U.S. Constitution provides for limiting the power of government? A. "All persons born or naturalized in the United States...are citizens of the United States..." B. "This Constitution...shall be the supreme law of the land..."...

*August 12, 2010*

**U.S government**

A colony of a country that followed mercantilism during the 17th century would NOT be encouraged to develop __________. A. Farming B. Fishing C. Slavery D. Its own government i think c but idk

*August 11, 2010*

**U.S government**

b?

*August 11, 2010*

**U.S government**

Which institution developed outside the limits of the written Constitution of the United States? A. legislative branch B. political parties C. Supreme Court D. Electoral College

*August 11, 2010*

**U.S government**

sweet thanks

*August 11, 2010*

**U.S government**

i think its a

*August 11, 2010*

**U.S government**

Which statement best expresses the meaning of the opening words of the U.S. Constitution, "We, the people..."? A. sovereignty is derived from the consent of the governed B. all citizens are guaranteed freedom of speech C. federal laws are subject to popular ...

*August 11, 2010*

**chemistry**

For each gap of 1 on the pH scale, the pH becomes either 10x more acidic or basic depending on which direction you move in. In this case you will be come more acidic: 7-6 = 10x 7-5 = 100x 7-4 = 1000x 7-3 = 10,000x more acidic

*August 11, 2010*

**U.S government**

oh ok thank you

*August 11, 2010*

**U.S government**

i guess c

*August 11, 2010*

**U.S government**

idk i cant find it in my notes

*August 11, 2010*

**U.S government**

what is the term given to the activities of interest groups that seek to influence the making and implementation of public policy and to persuade government officials to support a group's position. A. Muckrakers B. Bribers C. Lobbyists D. Non-Governmental Organizations (NGO)

*August 11, 2010*

**political science**

he actually just said for us to look for a treaty and provide the following history, regime, and compliance. But what does he mean with history, regime, and compliance in relation to a treaty?

*August 11, 2010*

**political science**

My teacher post a essay question that needs to address the problem with a specific treaty or convention. But I do not understand what he means by also addressing the history, regimes, and compliance. What is he asking in relation to the treaty and essay?

*August 11, 2010*

**math**

A 120lb person should ear a minimum of 44 grams of protein each day. How much should a 180-lb person eat each day?

*August 9, 2010*

**social studies**

a form of government in which power is distributed to and shared by different politicla levels as between states and the central government???

*August 6, 2010*

**eng. lll analogies**

thank you very much :)

*August 5, 2010*

**eng. lll analogies**

i think its D but i need to be sure cause i can't get anymore questions wrong

*August 5, 2010*

**eng. lll analogies**

prologue : to epilogue as preface : ?A. introduction B. footnote C. table of contents D. appendix

*August 5, 2010*

**algebra 2**

It says to: Use the Distributive Property to show that the following are true statements: 8.5m + 1.3m = 9.8m What does it mean to use the distributive property? Can't i just add the first two terms?

*July 28, 2010*

**algebra 2**

The length and width of a rectangle are in the ratio of 5:12. If the rectangle has an area of 240 square centimeters, what is the length, in centimeters, of its diagonal?

*July 22, 2010*

**us history vietnam war**

How did President Kennedy respond to the news that the Viet Cong were winning their war against the non-communist government of South Vietnam? A. Kennedy sent combat troops to fight the Viet Cong. B. Kennedy ordered the U.S. Air Force to bomb North Vietnam. C. Kennedy sent ...

*July 22, 2010*

**algebra II**

Leona was in a golf tournament last week. All of her four rounds of golf were within 2 strokes of par. If par was 72, wat are the maximum and minimum scores that Leona could have made in the golf tournament?

*July 15, 2010*

**college**

With a mean of 72, and SD of 10 of High temprature: Temprature of 93 is how many SD above mean? Temprature of 54 is how many SD below mean? Show your calculations.

*July 5, 2010*

**geometry**

True or false? a!(b!c!) = (a!b!)c! I think its true...?

*July 1, 2010*

**HISTORY**

need a good hook on a habitat loss that would get ppls attention

*June 21, 2010*

**pre algebra**

With a mean of 72, and SD of 10 of High temprature: Temprature of 93 is how many SD above mean? Temprature of 54 is how many SD below mean? Show your calculations.

*June 20, 2010*

**Statistics**

Dont know

*June 20, 2010*

**Maths 3u trig**

If sinA = 1/3 and cosA<0 find the exact value of tan2A

*June 19, 2010*

**eng**

Can you please revise my first part of my paper. thanks Is his 1958 novel, “Things Fall Apart”, Chinua Achebe embraces his African culture with all its imperfections, he depicts the African Ibo clan’s beliefs and customs from an African perspective point of view...

*June 15, 2010*

**geometry**

In triangle abc, point B is on segment ab, and point E is on segment bc such that segment de is parallel to segment ac if db=2, da=7, de=3, what is the length of segment ac?

*June 12, 2010*

**trig**

Find the focus, directrix and axis of the parabola with equation x= 2y^2+3? Thank you for helping me!

*June 8, 2010*

**Managerial Accounting**

Which of the following is a characteristic of ABC? 1. improved financial reporting 2. aid to managers in determining product cost 3. used in place of job or process costing 4. use restricted to manufacturing entities

*June 1, 2010*

**Managerial Accounting**

Which of the following is not a benefit of implementing ABC:? 1. more accurate cost assignments 2. better cost control 3. cheaper to implement 4. more efficient operations 5. all of the above

*June 1, 2010*

**chemistry**

I'm starting to learn about colligative properties and i want to know if there are different equations for boiling point elevation and freezing point depression? In the book they give me the equation: (delta)Tb= Kb times molality. But my teacher gave us: delta Tb = Kb ...

*June 1, 2010*

**Chemistry**

What pressure will be exerted by each of the gases in the following mixture if the total pressure of the mixture amounts to 768.8 torr? 0.500 g of hydrogen; 0.245 g of oxygen; 0.335 g of nitrogen. What do I need to do??

*May 27, 2010*