# Posts by Joe

Total # Posts: 2,600

**3rd grade math**

Ashton broke apart a number into 30+7 what number did he start with?

*October 5, 2010*

**statistics**

In a survey, 63% of Americans said they own an answering machine. If 14 Americans are selected at random, find the probability that exactly 9 own an answering machine.

*October 5, 2010*

**12th grade**

(x+4)(x+3)=0 therefore, (x+2)(x+4)(x+3)=0? x= -2, -4, -3?

*October 5, 2010*

**12th grade**

I used synthetic division to get (x+2)(x^2 + x + 12)=0

*October 5, 2010*

**12th grade**

Can somebody tell me what to do next for solving polynomial equations? x^3 - 3x^2 -4x + 12= 0 I got the factors of 12 and i used 2. (x+2) (x^2 + x + 12)=0 What do I do next?

*October 5, 2010*

**Math**

Write an equation that shows 64 as a product of prime numbers

*October 4, 2010*

**physics**

A 100-N child is in a swing that is attached to ropes 1.90 m long. Find the gravitational potential energy (b) when the ropes make a 35.0° angle with the vertical c) when the child is at the bottom of the circular arc

*October 4, 2010*

**physics**

A golfer rides in a golf cart at an average speed of 3.10 m/s for 29.0 s. She then gets out of the cart and starts walking at an average speed of 1.40 m/s. For how long (in seconds) must she walk if her average speed for the entire trip, riding and walking, is 2.20 m/s?

*October 1, 2010*

**Math**

At Mr.Vid's Rentals you can join his VID Club for a monthly membership fee of $30.Club members pay only $.85 to rent each movie. If you are not a member of the VID Club, the movies rent for $2.25 each.How many videos would you have to rent each month to make a membership ...

*September 29, 2010*

**math**

the width of a rectangle is 6 cm less than the length. the perimeter is 72cm. write and solve an equation to find the width and length of a rectangel.

*September 28, 2010*

**con law**

explain how bargaining and accomodation affect opinion writing on the court

*September 27, 2010*

**poltical science**

what are amicus curiae briefS?

*September 27, 2010*

**political science**

yes

*September 27, 2010*

**political science**

i don't even know where to begin?

*September 27, 2010*

**political science**

discuss the political environment leading to the court's decision in Marbury v Madison (1803). How did Chief Justice john marshall secure the power of judical review?

*September 27, 2010*

**math**

Oh i'm sorry i didn't see that. im so sorry .

*September 27, 2010*

**math**

You didn't answer this one. you answered someone else's that was about the U.S and Greek people.

*September 27, 2010*

**math**

The population of nevada is close to 1.6 million which is about 1/5 of Michigan's population. what is the estimated population of Michigan?

*September 27, 2010*

**math**

The population of nevada is close to 1.6 million which is about 1/5 of Michigan's population. what is the estimated population of Michigan?

*September 27, 2010*

**12th grade**

bikes tyre filled with air pressure=6 atm =6x10^5 Pa on tempreture 20c = 20+273 = 293 K.. we used the bike on tempreture at 45 c the volume increase by 2%. find the new volume?PV=nRT

*September 26, 2010*

**math**

1,130,000 in scientific notation

*September 24, 2010*

**physics**

An airplane flies 200 km due west from city A to city B and then 340 km in the direction of 35.0° north of west from city B to city C. (a) In straight-line distance, how far is city C from city A? (b) Relative to city A, in what direction is city C? ° north of west

*September 24, 2010*

**math**

how many 7 digit numbers can less than 1,048,000 can be made using digits 0,1,4,6,7,8 and 9?

*September 23, 2010*

**math**

if a+b=3 and a^2+b^2=6, what is a^3 + b^3

*September 22, 2010*

**math**

let s be a positive number. Solve the following equation for x. √a^3√a^4√a^3=a^x

*September 22, 2010*

**math**

how do i solve by factoring x^4+2x^2y^2+9y^4

*September 22, 2010*

**Algebra**

thank you....you were right

*September 21, 2010*

**Algebra**

I need to division which is (x^2-6x-27)/(x+3) when I do it I get an answer of (x-9)-27/x+3 but it seems to be wrong. Can someone see what mistake I did... THANKS

*September 21, 2010*

**MATH**

thanks for the link...It helped me a lot

*September 21, 2010*

**MATH**

Perform the indicated division 2x^2-7x-13/x-5

*September 21, 2010*

**Algebra**

Perform the indicated division 2x^2-7x-13/x-5

*September 21, 2010*

**Algebra**

Perform the indicated division 2x^2-7x-13/x-5

*September 21, 2010*

**Algebra**

Perform the indicated division 2x^2-7x-13/x-5

*September 21, 2010*

**Algebra**

Perform the indicated division 2x^2-7x-13/x-5

*September 21, 2010*

**Calculus**

Thanks so much

*September 20, 2010*

**Calculus**

Find the absolute maximum and minimum values of f(x)=(x^2)(e^(-x/2)) on the interval [-1,6]

*September 20, 2010*

**Maths**

hoe can i derive this equation. s(v)=(4pi)^1/3(3v)^2/3 and please explain.

*September 20, 2010*

**Physics**

Block A of mass 4.0 kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650 N m. The other end of the spring is attached to a wall. The block is pushed toward the wall until the spring has been compressed a ...

*September 19, 2010*

**Physics**

Block A of mass 4.0 kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650 N m. The other end of the spring is attached to a wall. The block is pushed toward the wall until the spring has been compressed a ...

*September 19, 2010*

**Math**

On what interval(s) is the curve y=(2e^x)-(e^(-3x)) concave downward?

*September 18, 2010*

**math**

Can not be solved. You can simply it down more to get 3x+6=3x. If you move the 3x to the same side you get 6=0 which is false.

*September 18, 2010*

**GPA?**

Would taking extra classes online help raise my GPA to a 2.8?? (I'm a junior and i need it raised before the end of my senior year. I have a 1.27 Grade Point Average right now.)

*September 18, 2010*

**algebra**

The difference of a number and 7 is the same as 45 less the number. find the number

*September 16, 2010*

**Europe**

what role did the geography of Europe play in the development of and ways of life in these towns?

*September 15, 2010*

**Earth Science**

During the Dinosaur Ages, if there was a region with a mountain range, alluvial plain, and a shallow sea. Which place would it be the most likely for dinosaur fossils to be formed?

*September 13, 2010*

**MATH**

Suppose that you have a supply of a 25% solution of alcohol and a 75% solution of alcohol. How many quarts of each should be mixed to produce 100 quarts that is 30% alcohol?

*September 11, 2010*

**Algebra**

ok I have got the answer anyway...thanks for ur help in the other question

*September 10, 2010*

**Algebra**

yes that's correct...Can you see where i am making a mistake in this problem. 1-125x^3 I got answer of -(5x-1)(25x^2+5x+1) but it seems to be wrong

*September 10, 2010*

**Algebra**

Factor 4xy+28x+y+7

*September 10, 2010*

**Algebra**

never mind. I have fiugured out the answers

*September 10, 2010*

**Algebra**

Could someone please help me with those 2 problems...thanks a lot for any of your help Use an algebraic approach to solve the problem. Find three consecutive integers whose sum is 57. Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of ...

*September 10, 2010*

**Algebra-Please Help!!**

What is the solution of x-4 is less than 4 and x + 4 is greater than 7 Please show how you did it so I can look at it and learn how to do them in the future Thanks

*September 7, 2010*

**Algebra**

What is the solution of x-4 is less than 4 and x + 4 is greater than 7 Please show how you did it so I can look at it and learn how to do them in the future Thanks

*September 7, 2010*

**Math**

What is the solution of x-4 is less than 4 and x + 4 is greater than 7 Please show how you did it so I can look at it and learn how to do them in the future Thanks

*September 7, 2010*

**Spanish**

Thank you

*September 7, 2010*

**Math**

ostriches=9 feet tall Birds in aviary=birds belong to me ostrich=does not live on mince pies birds belong to me=9 feet tall cancel all that are in common: the ostriches, birds belong to me, and 9 feet tall. You are left with the conclusion: The birds in my aviary do not live ...

*September 6, 2010*

**physics**

Is this question answerable???????? please help fast

*September 6, 2010*

**physics**

A foam cube bounces to a height of 15cm when dropped from a height of 100cm. To what height will it bounce if dropped from a height of 2.5cm? How do

*September 6, 2010*

**physics**

A round ball bounces to 2m after being dropped from an undetermined height. To what height will it bounce if dropped from a height 2.5 times as high? (how do u even calculate this problem?). (or is it just a problem that cant be solved?)

*September 6, 2010*

**physics**

drwls- so the answer cannot be determined?

*September 5, 2010*

**physics**

A ball of mass 1.2kg and a volume of 35cm cubed is dropped from a height of 2m. Determine the height to which this ball will bounce.

*September 5, 2010*

**calculus**

Use the ratio test to determine whether the series is convergent or divergent. 1/2 + 2^2/2^2 + 3^2/2^3 + 4^2/2^4 + ...

*September 4, 2010*

**Finance**

I think not but why?

*September 2, 2010*

**Finance**

Saturated Meat Corporation preferred stock is currently selling for $22 per share. The preferred dividend is $2.50 per share. If Jennifer requires a return of 10% on the preferred stock, should she invest in this stock?

*September 2, 2010*

**Buisness - Finance**

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

*September 2, 2010*

**tsu**

can you help with this answer anyway?

*September 2, 2010*

**10th grade Honors English**

Well i want to know what my teacher is asking

*September 1, 2010*

**10th grade Honors English**

What is my English teacher asking? Here is the prompt. Life can be considered a series of stories. It is the narrative we tell and hear the create the life the we live. And it id through these narratives that messages are passes. "October Sky", "Celebration of ...

*September 1, 2010*

**Physics**

Engr joe

*August 31, 2010*

**Math**

.86/1

*August 30, 2010*

**5th grade social studies**

what times on a clock make an acute angle? Is it 2:006:40 1:30 12:50

*August 29, 2010*

**arithmetic**

a total of eight pills are on a table. all have the same color and size. however, one is poisonous and weighs a fraction more than the others. a balance scale may be used only two times to determine the heavier pill. seven of the pills must be eaten.

*August 29, 2010*

**Chemistry**

i had the same question

*August 28, 2010*

**algebra 1**

please explain to me how I work out problems such as "-2-3" to get the correct answer and show the same on a number line

*August 26, 2010*

**math/chem**

it is estimated that uranium is relatively common in the earth's crust, occurring in amounts of 4 g/metric ton. a metric ton is 1000kg. at this concentration, what mass of uranium is present in 1.0 mg of earth's crust?

*August 23, 2010*

**economics**

What is the opportunity cost (in dollars) to attend an hour-long econ lecture for A $160,000 per year corporate executive who works 2,000 hours per year?

*August 22, 2010*

**summer reading**

the time hackers

*August 16, 2010*

**Chemistry**

Which solution has the higher osmotic pressure, 2 M NaCl or 2 M CaCl2?

*July 27, 2010*

**Chemistry**

Which solution has a higher vapor pressure, 1 M NaCl or 1 M glucose(C6H12O6)?

*July 27, 2010*

**accounting**

Compute the total, price, and quantity variances for materials and labor. The following direct materials and direct labor data pertain to the operations of Batista Manufacturing Company for the month of August. Costs Quantities Actual labor rate $13 per hour Actual hours ...

*July 27, 2010*

**accounting**

E11-6 The following direct materials and direct labor data pertain to the operations of Batista Manufacturing Company for the month of August.

*July 27, 2010*

**Physics**

60.0MW

*July 25, 2010*

**algebra**

Thank you.. SO would it be (x-5)(x+5)

*July 19, 2010*

**algebra**

Please help me factor this by grouping. I am stuck. 7x^3-35x^2-6x+30

*July 19, 2010*

**physics**

The answer to question 3 is mass, but I don't know any more of them.

*July 13, 2010*

**IDEA Act**

Determine how IDEA 2004 affects diverse learners. I am having troube with this question. Can anyone help me?

*July 10, 2010*

**algebra**

Plot (0,3) on the crodinate axes.

*July 5, 2010*

**american government**

Here you go! The correct answer is: B. a conference committee.

*July 2, 2010*

**chemistry**

226.1 mm Hg

*June 21, 2010*

**Bio**

The answer is B?

*June 21, 2010*

**Bio**

The ultimate source of the energy in food ___________________ A)is ATP B)is the sun C)is producers D)is plants E)is consumers

*June 21, 2010*

**math**

assignment for an art class is to complete 4 projects from a list of 6. how many ways can this be done if the order soes not matter?

*June 17, 2010*

**statistics**

There are 120 possible samples of size n=3 which can be drawn from this population of 10 scores: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 Write each sample and calculate its mean

*June 15, 2010*

**english**

what is the sypmbol of freedom? is it the white dove? just want to know for my poster im doing

*June 13, 2010*

**history**

What were the international consequences of the stock market crash in 1929? How did world leaders respond to the global depression? with what results?

*June 7, 2010*

**History**

Thank you sooo much!!

*June 5, 2010*

**History**

What social factors contributed to American Imperialism? I have searched and searched and not found anything. If anyone can help me, even with a website I would be grateful. Thanks so much.

*June 5, 2010*

**language**

Instructions Using specific references from "In Memoriam" Lyric 56 and from "Tintern Abbey," contrast Tennyson's view of the relationship between man and nature with that of Wordsworth's, demonstrating a comprehensive understanding of the ...

*June 2, 2010*

**language**

Poetic diction is used to refer to the linguistic style, the vocabulary, and the metaphors used in the writing of poetry Right? So it wouldnt be that one etheir, So my choices are now between 3 atmosphere 5 none of these But how do i know if it is none of these?

*June 2, 2010*