Wednesday

October 7, 2015
Total # Posts: 963

**Physics**

The electric field at a distance of 0.150 m from the surface of a solid insulating sphere with radius 0.367 m is 1720 N/C . Assuming the sphere's charge is uniformly distributed, what is the charge density inside it? Calculate the electric field inside the sphere at a ...
*October 3, 2015*

**Physics**

Two passenger trains are passing each other on adjacent tracks. Train A is moving east with a speed of 35.5 m/s, and train B is traveling west with a speed of 33.4 m/s. (a) What is the velocity (taking due east to be the positive direction) of train A as seen by the passengers...
*September 11, 2015*

**Math**

I really need help.
*August 31, 2015*

**Math**

Explain how you can use a straightedge and a compass to construct an angle that is both congruent and adjacent to a given angle.
*August 31, 2015*

**6th grade math**

6 right?
*July 30, 2015*

**6th grade math**

Ms. Sue, why couldn't you divide 10/3.5 and 8/2.5 instead?
*July 30, 2015*

**Criminal Justice**

Thanks
*July 30, 2015*

**Algebra1**

Can you explain to me why? Thanks!
*July 20, 2015*

**Algebra1**

John is working the function s(x). He found that s(2)=-6 Matthew is working with the function t(x). He found that t(2)=-6 The point (2,-6) lies on the graph of s(x) and t(x). True or False?
*July 20, 2015*

**Algebra1**

It's 7=7. So it does represent line l, right?
*July 20, 2015*

**Algebra1**

Consider the point (5,7) which lies on line l in the coordinate plane. Could y=7/5x represent line l?
*July 20, 2015*

**Geology**

True or False: Longshore drift is the movement of sediment sideways down the shoreline.
*July 15, 2015*

**physics**

a gun converts 200J of stored energy into kinetic energy of the 0.02kg bullet. What is the speed of the bullet as it leaves the gun? If the gun is fired straight up, how high will the bullet go?
*April 23, 2015*

**physics**

A 25 gram arrow fired from a bow has a speed of 80m/s. The energy in the arrow came from work done by the bow that acted over a 1m "draw" distance. What average force acted on the arrow over this distance?
*April 23, 2015*

**math**

Figure it out yet I have that same question
*April 8, 2015*

**math**

If r = 7 m then d = what c = what
*March 1, 2015*

**MATH**

Suzanna needs a board that is at 3.5 meters long. is the board long enough Explain
*December 14, 2014*

**math**

Suzanna does not have a ruler but she has a several books that is 17 centimeters tall. Suzanna lays the books end to end and finds tat the board is the same length as 21 books. How many centimeters long is the board
*December 14, 2014*

**Math**

What fraction equals 1/2
*November 25, 2014*

**jj**

you are a manufacturer of antacids. you could use either mg (oh)2 or al(oh)3 in your formulation. you can buy either of these for $2.00 per pound . which of these will provide a better product (i.e., give more relief) for the same amount of money ? explain your answer
*November 13, 2014*

**algebra**

Suppose y varies directly with x. Write an equation relating x and y. 645-09-05-00-00_files/i0130000.jpg a. y = 6x c. y = 7x b. y = x d. y = − x
*November 6, 2014*

**chemical calculations**

Brine from a first tank runs into a second tank at 2 gallons per minute and brine from the second tank runs into the first at 1 gallon per minute.Initially,there are 10 gallons of brine containing 20 lb of salt in the first tank and 10 gallons of fresh water in the second tank...
*November 6, 2014*

**Science**

thanks
*October 28, 2014*

**Science**

How might genetically engineered crops help people in hash climates?
*October 28, 2014*

**pyhsics**

A man drops a rock off the side of a cliff, and hears it hit the bottom 2.8 seconds later. If the average speed of sound is 335 m/s, how high is the cliff? I have been able to figure out this much, but I don't know how to solve the problem with the data that I have been ...
*October 24, 2014*

**english**

the speaker in birches compares the boy's climbing to
*October 21, 2014*

**Algebra2**

so on 2^7i list i as -1 seven times equals out -1 or -i then what i still cant solve i^100
*October 16, 2014*

**Algebra2**

write a equation of a line that is perpendicular to y=-2/3-5 and goes thru -4,3
*October 16, 2014*

**Algebra2**

so on 2^7i list i as -1 seven times equals out -1 or -i then what i still cant solve i^100
*October 16, 2014*

**Algebra2**

2i^7 i^42 i^100
*October 16, 2014*

**Physics**

A golf ball was launched at 35.0m/s at an angle of 35.0 degrees above the horizontal a) determine the horizontal and vertical components of the balls velocity b)how long was the ball in the air c) how far did the ball go d) what was the maximum height
*October 15, 2014*

**physics**

A particle of mass 7.7 × 10-8 kg and charge +11 μC is traveling due east. It enters perpendicularly a magnetic field whose magnitude is 4.2 T. After entering the field, the particle completes one-half of a circle and exits the field traveling due west. How much time...
*October 12, 2014*

**statistics**

For the data in question 13, find the raw scores that correspond to the following: (a) z 5 11.22; (b) z 5 20.48.
*October 12, 2014*

**Math 1**

write an equation that represents the following situation. Let x= the number of adults. Your equatin should start with "1220=" and use x as the only variable.. The number of students attending the fall play was 150 more than the number of adults attending. A total of...
*October 1, 2014*

**Government**

A(n) _________________________ differs from a direct democracy in that only a small number of elected representatives actually vote on a specific issue
*June 19, 2014*

**English (Checking please)**

That's okay! Thank you for you help Ms. Sue. I appreciate it :)
*May 21, 2014*

**English (Checking please)**

How are Eliezer and the Rabbi’s son who abandons his father on the way to Buchenwald similar? They do not respond when their fathers need them.<--------- They are unable to abandon their fathers. They regret their feelings of resentment toward their fathers. They grow...
*May 21, 2014*

**English (Checking please)**

According to the author, it is difficult for people to comprehend what when on at Auschwitz because the events are so terrible that readers have never experienced anything similar. <----- the events happened long ago and have been forgotten. the survivors and their families...
*May 21, 2014*

**math**

3E
*May 16, 2014*

**Math Solve for X?**

Solve for x. (5x^2 - 12x) / (x^2 + 5x - 24) <= 0
*May 13, 2014*

**Microeconomics**

Sorry, just a clarification, the cost function is c(q)=q^2
*March 20, 2014*

**Microeconomics**

Can someone help me with a hint to solve this problem?? Thanks!!! "Consider an oligopolistic market with two firms. Each of them produces using a cost function given by c(q)=q2. The aggregate demand in the market is given by 1000−p. Suppose that, in order to ...
*March 20, 2014*

**ENG 122**

When using the BEAM style of evaluation, which of the following is UNLIKELY to occur
*March 13, 2014*

**Science**

1. a 2. d 3. a 4. a those are the correct answers i got 4/4 with them
*March 3, 2014*

**Science**

1. True. 2. Billboard 3. Meter 4. Person next to you.
*February 27, 2014*

**Chemistry**

Calculate [OH−] for 1.90mL of 0.190M NaOH diluted to 1.50L .
*February 25, 2014*

**engineering**

. A platform with boat weighs 10,000 N. Four cables are attached to the platform as shown; the edges of the platform are always a horizontal distance of 2 m from the pulleys. As the platform rises smoothly and evenly, the length L of the cables decreases and the angle θ ...
*February 17, 2014*

**Chemistry**

A piston is holding 125 mL of gases at a temperature of 300 K and a pressure of 2.39 atm. What is the volume of the gases if the temperature is increased to 500K and the pressure falls to 2.15 atm?
*February 15, 2014*

**calculus**

I got half of this problem wrong and I DO NOT know where and how to fix. I cannot use my calculator and have to show my work. Question: You have a 500 metre roll of fencing and a large field. You want to construct a rectangular playground area. a.) using optimization ...
*December 18, 2013*

**Statistics**

A national opinion poll found that 44% of all American adults agree that parents should be given vouchers good for education at any public or private school of their choice. Suppose that in fact the population proportion who feel this way is p=0.44. A) Many opinion polls have ...
*December 17, 2013*

**chemistry**

A sample of chlorine consists of 3×10to the power 6 of 35Cl and 2 × 10to the power 5 atoms od 37Cl . what is the average mass of an atom of chlorine in the sample?
*December 16, 2013*

**chemistry**

How can you convert the number of atoms of these isotopes 35Cl and 37Cl to percentage?
*December 16, 2013*

**Business Math**

What are the proceeds of a note for $5,500 at a discount rate of 8%, for 30 months?
*November 3, 2013*

**Business Math**

Find the amount of the principal on a loan at 6% interest for 274 days if the interest was $68.50, using the ordinary interest method. (Round to the nearest whole dollar amount)
*November 3, 2013*

**READING**

30. c 31. d 32: d
*November 2, 2013*

**History**

Which group creates the largest land empire in the 12th and 13th century? Chinese Mongols Muslims Russians I say, Muslims. Is this correct??
*October 30, 2013*

**History**

In my note, i wrote latin west and western europe. Are these to mean the same thing??
*October 29, 2013*

**History**

is the last one Latin west???
*October 29, 2013*

**History**

What are three heirs of ROme after the fall of the Western Empire? I think I know two, which are...Byzantine and Islamic. But what is the last one?? or is my two answer right??
*October 29, 2013*

**math**

one more please!! a bike club wants to make license plates for the neighborhood bikes. each license plate has a letter followed by a digit. how many different license plates can be made??? explain please so i can understand how to find the anser THANKS!!!!
*October 28, 2013*

**math**

ben has 15 puzzles and 27 cds, when he takes a trip he likes to bring one puzzle and one cd as entertainment. how many trips can he take with a different puzzle and cd pair?? and please show how to solve it.....
*October 28, 2013*

**History**

Was craft guild back in the days same as inspector of today or apprenticeship??What I want to know is a Craft guilds are basically early versions of what that helps unify workers today?
*October 24, 2013*

**math**

How do i do this practice math problem? Julie Molony opened Julie’s Maids Catering Service on July 1, 2010. During July the company completed the following transactions: July 1 Invested $14,000 in common stocks in the business. 1 Purchased a delivery truck for $10,000, ...
*October 17, 2013*

**English (literature)**

Can someone compare both William Bradford and Thomas Morton's reasons for coming to the new world? thank you.
*October 15, 2013*

**pre algebra**

How do I sketch a||b, b||c, c perpendicular to d in one picture?
*October 15, 2013*

**biochemistry**

someone please answer thissssss
*October 12, 2013*

**History**

How did Byzantines preserve the traditions of the Romans? could you list few for me??
*October 7, 2013*

**History**

Sweet! I knew it! Thank you :)
*October 7, 2013*

**History**

What was the name of the people who settled Gaul that became modern France? Was is the romans??? or the celtics???
*October 7, 2013*

**History**

Which group is most associated with the fall of the Western Roman empire? Was it Carthaginians, Gauls, Huns, or the Greeks?? I thought it was Egypt or Visigoths but my answer came back as wrong :(
*October 1, 2013*

**History**

I meant *I am not sure it its right**
*October 1, 2013*

**History **

When was the height of Egyptians, Athenians, Alexander's empire, and Roman Empire? I am having hard time finding the exact or round about year to these. I've found two so far, but I am sure if its right. please help so i can study for my test! thank you! This is what i...
*October 1, 2013*

**quantum physics**

ass 6 q6:Now, consider the case where N4 elements are marked instead of just one. If we run one iteration of Grover's algorithm and measure, what is the probability that we see a marked element? q7: Which of the following observables correspond to a standard basis ...
*September 28, 2013*

**math**

Working together, 2 groomers can brush 8 horses in 3 hours. How many hours would it take 3 groomers to brush 12 horses at this rate?
*September 8, 2013*

**math/chemisty**

Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.
*September 8, 2013*

**chemisty**

Find the volume of a starburst candy (220 cm cubed). The mass is 5.14 grams. Calculate it's density. How many starburst would it take to fill your locker (139,200 cm cubed)? Use dimensional analysis to solve this problem.
*September 8, 2013*

**Math**

What is the product of 9 and 1.333333333?
*August 26, 2013*

**math**

Jim has 1/3 as many goldfish as Hannah. Hannah has 5 times as many goldfish as Ping. If Ping has 15 goldfish, how many goldfish does Jim have?
*August 26, 2013*

**math**

To make punch for her upcoming party, Mary used a recipe that calls for 1/2 cup of fruit juice per serving. If she has e gallons of fruit juice, what is the greatest number of servings of punch she can make? (note: 1 gallon=16 cups)
*August 25, 2013*

**math**

There are some frogs and some lily pads at a pond. If lily pads with frogs on them have two frogs each, then there is one lily pad with no frogs on it. If each lily pad has exactly one frog on it, then there is a frog with no lily pad. How many frogs are at the pond?
*August 25, 2013*

**math**

The heights of the five starters of a college basketball team are 6'6, 6'7, 6'9, 6'11 and 7'. What it the mean height of these players , in inches?
*August 25, 2013*

**math**

In the xy-plane, lines a and b intersect at point (5,-2), and lines b and c intersect at point (-3,3). What is the slope of line b? Express your answer as a common fraction
*August 25, 2013*

**math**

What is the product of the digits of 71?
*August 25, 2013*

**MATH**

the numerator of a fraction is one-half the denominator! If the numerator is is increased by 2 and denominator is decreased by 2, the value of the fraction is 2/3. What is the numerator of the original fraction?
*August 25, 2013*

**MATH**

WRITE THE DECIMAL WITH DECIMAL POINT FOR EACH FRACTION. FIRST SIMPLIFY ANY FRACTION TO LOWEST TERMS SUCH AS A WHOLE #, A MIXED #, OR A SIMPLIFIED PROPER FRACTION FOR THE FOLLOWING: 49/50, 5/7,14/11, 69/100,3/2,7/8,7/12,8/9,15/20,27/25, 5/9.50/10,76/50,29/11,709/100,24/2,25/8,...
*August 22, 2013*

**Math**

Raisin sell for $3.99 per pound. How much will 33 1/3 pounds of raisins cost?
*August 20, 2013*

**Math**

For what positive integer n is 2n+3n+4n=nn?
*August 20, 2013*

**Math**

If x and y are positive integers such that xy =8, what is the maximum possible value of x + y?
*August 20, 2013*

**math**

Half of a third of x equals a fourth of y plus a fifth of y. If'x=27, what is the value of y?
*August 20, 2013*

**Math**

A state creates license plates that each contain two letters followed by three digits. The first letter must be a vowel and duplicate letters and digits are allowed. How many different plates are possible?
*August 20, 2013*

**Math Growth & Decay**

122%
*May 15, 2013*

**algebra **

(s) is at least 5 times as great as the number of bieber fans (b)
*May 10, 2013*

**algebra**

i got this question off a benchmark
*May 10, 2013*

**algebra**

(a) of 3000 she makes 55 an hour (h) and how many hours will it take to have an account balance of 3220 a: a=3000+55h;3220 b: 3000+55h =a:5h c: 55+3000h= a=4hours d:a=3000 +55h;4hour
*May 10, 2013*

**science**

what are the changes of statein which energy is increased
*April 28, 2013*

**science**

a boat weights 10,000 newtons what is the magnitude of buoyant force acting on boat in the fliud
*April 28, 2013*

**science**

a 100 pound life guard dives underwater to save a 150 pound person who is drowning the life guard will be able to lift the person to the surface because a:the buoyant force acts as an upward force on the person b:the force of gravity is less in water c:the force of water is ...
*April 28, 2013*