Friday

September 19, 2014

September 19, 2014

Total # Posts: 757

**US History**

can somebody answer it
*March 1, 2013*

**physics**

Two point charges totaling 9.00 µC exert a repulsive force of 0.300 N on one another when separated by 0.596 m. (A) What is the charge on each? (B) What is the charge on each if the force is attractive? smallest charg
*February 28, 2013*

**Information Systems**

Problem #2 from page 173 Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate. Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID number. In addition, the ...
*February 25, 2013*

**pre-algrebra**

What is the missing coefficient x 2 4x -2x x 2 ______ x
*February 19, 2013*

**Math**

Serena paid $20.20 for 36 rulers and folders. She bought 16 more folders than rulers. If each folder cost $0.50 more than each ruler, how much did each folder cost?
*February 14, 2013*

**Math**

"One leg of a right triangle is 50.A line parallel to the other leg and at a distance of 20 from that leg cuts off a right trapezoid of area 320. What is the area of the original right triangle?"
*February 13, 2013*

**math**

41<x<52
*February 13, 2013*

**Math**

720
*February 9, 2013*

**Criminal precedure**

y answers 1.a 2a 3.d 4.d 5.a 6.a 7.b 8.b 9.c 10.b 11.c 12.a 13.d 14.b 15.c 16.c 17.c 18.a 19.b 20.b
*February 5, 2013*

**Criminal precedure**

Yea i am i m just really struggling on this test and can use some ones help?
*February 5, 2013*

**Criminal precedure**

Question 11 of 20 5.0 Points Under the Fourth Amendment, which of the following is NOT a valid purpose for setting up a roadblock? A. Immigration law enforcement B. Detecting drunk drivers C. Checking for drivers licenses and registration D. Drug detection Reset Selection ...
*February 5, 2013*

**Physics**

webassign(.)net/yf/22-30.gif The image above shows some of electric field lines due to 3 poin charges along the vertical axis. All 3 charges have the same magnitude. A. What are the signs of the 3 charges? Explain reasoning. B. At what points is the magnitude of the electric ...
*February 2, 2013*

**Chemistry**

How many molecules are there in 24 grams of FeF3 ? Can somebody please show me how i can get to the answer ? Thank you
*January 30, 2013*

**Physics**

This is not correct. The answer is simply as follows: Let f* be the fundamental frequency. Then f*[(1/4)-(1/7)]=144Hz. f* = 1344 Hz
*January 30, 2013*

**math**

The number of Roberto's baseball cards is 3/4 the number of David's cards. If Roberto gives 1/2 of his cards to David, what will be the ratio of Roberto's cards to David's cards?
*January 28, 2013*

**algebra**

If a car goes 0-85mph in 500' How many seconds does it take to get there?
*January 24, 2013*

**Math**

Roger knows how many keys a piano has. He knows that some of the keys are broken. How can he find the number of keys that work?
*January 23, 2013*

**Math**

a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how much money was invested...
*January 20, 2013*

**Math**

A bowling ball is dropped from a bridge, and it takes 7 seconds to hit the ground. How far did the bowling ball fall?
*January 20, 2013*

**Math**

2x^3-x^2-6x / 2x^2-7x+6
*January 13, 2013*

**Math**

Please factor 2x^2-xy-y^2 Briefly explain steps
*January 13, 2013*

**Math**

X^4y^3-x^2y5
*January 10, 2013*

**math**

In Samuel's sports memorabilia collection there are 27 hockey items, 36 baseball items, and 29 football items. Which pair of item classifications (hockey, baseball, football) exists in the largest ratio?
*January 9, 2013*

**geometry**

Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ? A.-2 &8 B. 2 & 6 C.-2 & 6 D.-2
*January 8, 2013*

**art**

Compare and contrast the modern day art of David smith "cubi series" with that of stonehedge in regards to the elements of art.
*December 30, 2012*

**Can anyone please help me this biology please !!!**

Thanks for your help
*December 13, 2012*

**Can anyone please help me this biology please !!!**

I am really stuck in this biology it super hard how do yeast cells benefit from fermentation ?I wil be happy if anyone would help me out thanks.
*December 13, 2012*

**Physics**

What is the gravitational force between two runners standing 100 meters apart on a track, if their masses are 60 kg and 75 kg respectively?
*December 6, 2012*

**chemistry**

copper (II) flourine comtains 37.42 % of mass. use this percentage to calculate the mass of flourine in grams contained in 28.5 g of copper (II) flourine
*December 5, 2012*

**math**

convert 50 miles per hour in feetvper second(round to the nearest whole.)
*December 4, 2012*

**math**

A jet plane traveling at 500 mph overtakes a propeller plane traveling at 200 mph that had a 2-hour head start. How far from the starting point are the plains?
*December 4, 2012*

**math**

Supppose two trains leave Holbrook, Arizona, at the same time, traveling in opposite directions. One train travels 10 mph faster than the other. In 3.5 hours, the trains are 322 miles apart. Find the speed of each train.
*December 4, 2012*

**math**

A pilot can travel 400 miles with the wind in the same amount of time as 336 miles against the wind. Find the speed of the wind if the pilot's speed in still air is 230 miles per hour.
*December 4, 2012*

**math**

Thank you.
*December 4, 2012*

**Math**

A person is pulling a freight cart with a force of 70 pounds. How much work is done in moving the cart 120 feet if the cart's handle makes an angle of 18° with the ground
*December 2, 2012*

**science **

i still don't know what to do for my science fair please help thank you justin
*November 28, 2012*

**science**

PLEASE HELP I NEED A GOOD SCIENCE FAIR PROJECT. PLEASE HELP THANK YOU JUSTIN
*November 28, 2012*

**science/math**

write and solve an algebraic equation to find the original mass of the sample of the radioactive isotope uranium -235, which has a half-life of 704 million years your sample is about 700 million years old and weighs 120 grams
*November 27, 2012*

**algebra**

-700+35x= y x- every minute the rate ascends y- the total meters *Im not sure if I'm right, hope this helps*
*November 27, 2012*

**CAN ANYONE HELP !MATH**

Kale is building a small basement suite. The bathroom takes up 1/3 of the suite and has an area of 12m2. 1. Draw the room and label all the areas 3. what is the area of the rest of the suite without the bathroom? 4.what is the perimeter of the basement suite? I FIGURED #2 SO ...
*November 26, 2012*

**CAN ANYONE HELP!!!**

I HAVE BEEN STUCK ON THIS PROBLEM FOR 3 HOURS!!!!!!
*November 26, 2012*

**Math Help Please**

*no one
*November 26, 2012*

**Math Help Please**

Ms Sue why did u give me that link. It just takes me back to the question i had posted before. None helped me on it. And yes I know the formula for the area and perimeter. Thats common sense. I really need help though. Especially on #3 and 4 so can someone actually help me ...
*November 26, 2012*

**Math Help Please **

Kale is building a small basement suite. The bathroom takes up 1/3 of the suite and has an area of 12m2. 1. Draw the room and label all the areas 2. what are the possible dimensions of the bathroom? 3. what is the area of the rest of the suite without the bathroom? 4.what is ...
*November 26, 2012*

**Math Help Please**

Please help me on the other questions . thanks
*November 26, 2012*

**Math Help Please**

its a rectangle.
*November 26, 2012*

**Math Help Please**

Kale is building a small basement suite. The bathroom takes up 1/3 of the suite and has an area of 12m2. 1. Draw the room and label all the areas 2. what are the possible dimensions of the bathroom? 3. what is the area of the rest of the suite without the bathroom? 4.what is ...
*November 26, 2012*

**Math Please Check!!**

Thank you :D
*November 26, 2012*

**Math Please Check!!**

Please check my answer to see if I got it right. Thanks. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math ...
*November 26, 2012*

**Math**

Please check my answer to see if I got it right. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math homework? My ...
*November 26, 2012*

**Math**

thanks for the help :)
*November 26, 2012*

**Math**

Please check my answers and if there are any other possibilities then please tell me. List all the factors for 45: I got 1x45, 3x15 and 9x5. are there anymore?
*November 26, 2012*

**math**

Yuki's age is four years more than one-fourth of Xena's age. Xena's age is 21 years and 6 months more than seven-eighths of Yuki's age. How old are Xena and Yuki? Thank you.
*November 17, 2012*

**math**

y=1/4x+y x=21.5+7y/8
*November 17, 2012*

**math**

(2/3-5/12)^2+(-5/6-2/3)^2
*November 17, 2012*

**math**

the lenght of a rectangle is one meter more more than two-thirds of the width. Find the length, width and area of the rectangle if the perimeter is 6 meters.
*November 17, 2012*

**chemistry re crystalizing**

describe basic steps to take re-crystalizing synthesized aspirin. using two solvents to perform this task (ethanol and water)which solvent should be used to dissolve the aspirin and which one should force it out of the solution
*November 13, 2012*

**Stat Help**

The Momoland Springs Company claims that there are at most 1 ppm (parts per million) of benzene in their water. Test at a=.10 n=25 = 1.10 ppm s = .20 ppm
*November 6, 2012*

**Statistics Please help!**

A company claims that cancer patients using drug X will live at least 8 more years. n=25 = 8.5 year s = 1.5 year a) Test at a=.01 b) Give the CIE at 95%
*November 6, 2012*

**pyshc101**

As Bridget is walking through a parking lot, a bicyclist swerves toward her. Her heart races and sweat breaks out as she jumps out of harm’s way. Soon, Bridget’s heart begins to decrease and return to a regular rhythm. This calming reaction is due to the action of ...
*October 28, 2012*

**Physics**

236.4+.24F
*October 27, 2012*

**physics help i still dont get it**

i forgot to divide the sqrt by 2.5 to get .116 sorry but thank u
*October 22, 2012*

**physics help i still dont get it**

Thank you so much but its just upsetting me i cant figure it out
*October 22, 2012*

**physics help i still dont get it**

ill try it but i have no idea how you get the angle appreciate it
*October 22, 2012*

**physics help i still dont get it**

A picture of width 43.0 cm, weighing 52.0 N, hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail, which is 2.50 cm higher than the points where the wire is attached to the frame. Find the tension...
*October 22, 2012*

**physics**

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm
*October 22, 2012*

**physics need help bad**

A picture of width 43.0 cm, weighing 52.0 N, hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail, which is 2.50 cm higher than the points where the wire is attached to the frame. Find the tension...
*October 22, 2012*

**need help**

whats the answer so i can compare
*October 22, 2012*

**need help**

A picture of width 43.0 cm, weighing 52.0 N, hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail, which is 2.50 cm higher than the points where the wire is attached to the frame. Find the tension...
*October 22, 2012*

**cis210**

No idea
*October 22, 2012*

**physics**

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm
*October 22, 2012*

**physics**

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm
*October 22, 2012*

**physics**

When a 0.116 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.70 cm, compressing the spring 2.20 cm
*October 22, 2012*

**math**

WHAT YOU NEED HELP WITH HUN
*October 13, 2012*

**math**

A company produces three types of color TVs: Models X, Y and Z. Each model X requires 2 hours of electronic work and 2 hours of assembly work. Each Y model requires 1 hour of electronic work and 3 hours of assembly work. Each model Z requires 3 hours of electronic work and 2 ...
*October 1, 2012*

**Maths, Ratio**

Mrs Rama uses 0.4 liters of water melon juice for every 0.9 liters of apple juice to make a jug of mixed fruit juice. A) Find the ratio of the amount of watermelon juice to the amount of apple juice. B) For every 225 ml of apple juice, how much watermelon juice should Mrs Rama...
*October 1, 2012*

**Physics**

The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along the crutch, as the force vectors in the drawing indicate. If the coefficient of static friction between a crutch and the ground is 1.12, determine ...
*September 26, 2012*

**Physics**

A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +14 m/s in a time of 25 s. The combined mass of the boat and trailer is 401 kg. The frictional force acting on the trailer can be ignored. What is the tension in the hitch that ...
*September 26, 2012*

**chemistry**

Copper (II) fluoride contains 37.42% {\rm F} by mass. Use this percentage to calculate the mass of fluorine (in {\rm g}) contained in 56.0{\rm g} of copper (II) fluoride
*September 24, 2012*

**Math-Stats**

1/2000= 0.0005 produces a payout of - $14800.00 1/500= 0.002 = 4/2000 produces a payout of -$3800 399/400= 0.9975= 1995/2000 profits Question One Probability table is a follows X----(neg)14800---(neg)3800--200 P(x)-1/2000-------4/2000-----1995/2000 Question two Expect Value= ...
*September 24, 2012*

**science**

what is the density of a piece of wood that has a mass of 85.0 grams and a volume of 100.0 cm 3 ?
*September 18, 2012*

**Chem 204 Lab**

Dr. S. N. Too ran the above reaction using 10.00 g of 1,5-pentanediol and 7.00 g of HCl. He obtained 9.23 g of 1,5-dichloropentane. What was his per cent yield? HO(CH2)5OH + 2 HCl --------> Cl(CH2)5Cl + 2 H2O
*September 12, 2012*

**Chem Lab**

@Drbob222 2-methyl-2-butanol
*September 12, 2012*

**Chem Lab**

Why should the temperature be kept 48C during distillation? is it because of the melting point?
*September 12, 2012*

**math**

How can I put A={1,4,7,10,13,16,19,22,25,28} in set builder notation. I just learned this and can't figure it out.
*September 8, 2012*

**economic**

How do corporate America's acceptance of greed influence how we behave in a capitalist society?
*September 8, 2012*

**Health**

How many American adults does OCD affect each year? A. 1.2 million B. 2.2 million C. 3.2 million D. 4.2 million I put D and missed it. D:
*August 30, 2012*

**Health**

Thank you. I figured it wasn't mercury or cholesterol but i've never heard of Potassium. :P Thank you Ms.Sue! <3
*August 29, 2012*

**Health**

It’s important to choose foods that provide more ________. A. Potassium B. Cholesterol C. Mercury D. Carbohydrates I put D and got it wrong.. What could it be?
*August 29, 2012*

**HEALTH**

Yes, it's A.
*August 22, 2012*

**health**

No. It's D. they are both uninucleated. Meaning having one nucleus.
*August 22, 2012*

**HEALTH**

You're correct.
*August 22, 2012*

**physics**

the other equation you can use use is: Vf^2=Vi^2+2AX sqrt(2(3m/s^2)(500m))=54.78 m/s same thing. for the second part you use the same equation and solve for A. Then plug it in to Vf=Vi+AT, solve for T. for the third you do the same thing.
*August 20, 2012*

**Science**

1. Find the lattice parameter of pure iron at room temperature. 2. What is the ratio of the lattice parameter of the iron to the wavelength of the radiation used. 3. What is the value of two theta for the second peak? 4. By what factor is the lattice parameter of the Fe bigger...
*August 15, 2012*

**health**

I believe it's C.. I am probably wrong.. But I have bad anxiety and they've used both on me.
*August 14, 2012*

**geometry**

Is it possible for two points on the surface of a prism to be neither collinear nor coplanar?
*August 14, 2012*

**Geometry**

George, John, Thomas, John, George
*August 13, 2012*

**HEALTH**

I think it's either B, or C,
*August 13, 2012*

**English**

BACDABCDAAC
*August 13, 2012*

**health**

It's A.
*August 11, 2012*

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