Thursday

July 2, 2015

July 2, 2015

Total # Posts: 844

**Statistics**

1-.02=2.33=z-value plug into the equation [(2.33)^2*.5*.5]/(.02)^2 3393.06
*October 26, 2011*

**MATH(convert fraction)**

so 3/8 is 16 centi on a scale and what is 3/4 on a scale?
*October 18, 2011*

**convert fraction**

so 3/8 is 16 centi on a scale and what is 3/4 on a scale?
*October 18, 2011*

**MATh please help**

Helen has$1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.
*October 18, 2011*

**math help please**

Helen has$1.35 in her bank in nickels and dimes. There are 9 more nickels than dimes. Find the number she has of each kind.
*October 18, 2011*

**MATH (PLease HELp)**

Sally has three times as many dimes as nickels and twice as many quarters as dimes.In all she has $5.55. How many coins of each type does she have? Let 2x=quarters 3x=dimes x=nickles <---- is that correct please help put
*October 18, 2011*

**ALGEBRA-Help please**

x+3y=4 -x -x ALWAYS X means 1 3y=4 divide by 4 y=1
*October 13, 2011*

**MATh**

Distance = rate x time
*October 13, 2011*

**MATh**

Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one- half hour longer than the return trip. How long did the...
*October 13, 2011*

**MATh (distance)**

Kesha dove from Buffalo to Syracuse at an average rate of 48miles per hour. On the return trip along the same road she was able to travel at an average rate of 60 miles per hour.The trip from Buffalo to Syracuse took one- half hour longer than the return trip. How long did the...
*October 13, 2011*

**Social Studies (civilizations)**

How was the Persian empire was different from the Assyrian Empire?
*October 10, 2011*

**MATh ( translate words into number)**

k thx got it
*October 10, 2011*

**MATh ( translate words into number)**

40. The greater of two numbers is 1 ore than twice the smaller. Three times the greater exceeds 5 times the smaller by 10. Find the numbers. How do i start please explain. WHere do i start and how to do do this. AM very confused.
*October 10, 2011*

**MAth translate please thx **

If 5 times the smaller of two numbers is subtracted from twice the larger the result is 16. If the larger is increased by 3 times the smaller, the result is 63. Find the numbers.
*October 10, 2011*

**Math - translate (please check)**

4. The sum of two numbers is 50. If twice the larger is subtracted from 4 times the smaller the result is 8. Find the numbers is it this x+x(2x-4=8)=50
*October 10, 2011*

**Theme please check **

thanks
*October 9, 2011*

**Theme please check **

the story is A piece of Pie by Damon it was mistake for posting it two times
*October 9, 2011*

**Theme please check **

Could the theme be No women could change men The story is about a man marrying a women and the women wants the man changing his diet. The women bosses him around then the man finds another girl and takes off with her. He took off with her because the women bossed him around ...
*October 9, 2011*

**Social Studies Help!!!!!!!**

how did mercantilism affect different cultures?
*October 6, 2011*

**meaning**

The Thar Desert provide the majority of India's rainfall.. Does this mean that the thar desert prevents rain
*October 6, 2011*

**chemistry**

How many moles of sodium bicarbonate are contained in 1mL of a saturated solution of NaHCO3 (approximately 1g of solute is dissolved per 9mL solution)?
*October 5, 2011*

**English Help!!!!**

Could you tell me about a person who dominated the poor and uneducated.
*October 5, 2011*

**physics**

At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At this rate, how long does it take to accelerate from 76 km/h to 118 km/h
*September 22, 2011*

**math**

using limits...finding the tangent line of the square root of x when x=2
*September 22, 2011*

**Algebra**

One is traveling 360 mph and the other is traveling 390 mph.
*September 19, 2011*

**chem**

How many gold atoms are in an 0.408 ounce, 18 gold bracelet? (18 gold is 75% gold by mass.)
*September 19, 2011*

**Com/155**

I want to know how it affect your paper
*September 16, 2011*

**3rd grade math**

Ashton broke apart a number into 30+7. What number did she start with?
*September 6, 2011*

**information litercy **

what type of citation would you use for an english paper? 1.ASA 2.Chicago 3.MLA
*August 23, 2011*

**geometry**

Write a two column proof. Given CE = CA, EB and AD are medians, Prove: EB = AD for a triangle
*July 27, 2011*

**Psychology**

Construction
*July 27, 2011*

**science**

Question: If you have an electric motor on a bench and hook it to the power the shaft turns. If you put the shaft in a vise the casing of the motor will turn. Now:...put this motor in free space no gravity and attach a battery for power..when the power is turned on will the ...
*July 25, 2011*

**philosophy**

What is the influence of television commercials on American culture? If you could do something about TV commercials what would you do?
*May 21, 2011*

**Math**

What q equals.
*May 18, 2011*

**Math**

Yes
*May 18, 2011*

**Math**

Simply. 3 + 4(q + 3) + 4q
*May 18, 2011*

**SAT English**

i need some explanations please
*May 16, 2011*

**SAT English**

people who have committed felonies are not permitted to serve on juries in many states.Also, in Tennessee and Arkansas. there are laws barring atheists from serving on juries and other public service positions. Sometimes,felons are denied the right to vote.Are these ...
*May 16, 2011*

**apple**

Do you recognize the company or organization represented by the logo? If you do, where were you first introduced to this logo? Over time, has the graphic changed but still remained recognizable and associated in your mind with the company or organization? What does the graphic...
*May 3, 2011*

**science**

visual means
*May 1, 2011*

**science**

name att least 3 aspects that contribute through visual means. Give examples?
*May 1, 2011*

**seeing is believing**

Describe one experience where you were deceived by what you saw. Describe one experience where you chose not to believe what you had seen.
*May 1, 2011*

**organic chemistry**

Draw structural formula 4-propyl-1-methyl-cyclohexene
*April 29, 2011*

**American history**

After the Spanish-American War, the _______ reserved the right of the United States to intervene in Cuba's internal affairs.
*April 22, 2011*

**english**

When Greg went to a job interview on Monday, they hired him that same day.When Greg went to a job interview on Monday, they hired him that same day.
*April 19, 2011*

**Math**

Solve for x log 1000=x
*April 19, 2011*

**accounting**

I attend penn foster i an working on chapter 1 example number 06168900 and want to know how do i began to do a 3 month accounting period using a fiscal year calendar?
*April 12, 2011*

**algebra 2**

what is the answer to algebra with pizzazz page 100; what should you say if you see a tall, wrought-iron tower in paris, france? there are 24 blanks
*April 12, 2011*

**General Chemistry 2**

The molar heat of vaporization of benzene is 31kj/mol. Calculate the entropy change for the liquid vapor equilibrium. At 1 atm pressure, benzene boils at 80.1 degrees Celsius.
*April 10, 2011*

**chem**

Determination of the solubility product of PbI2. From the experimental data we obtain [I-] directly. To obtain Ksp for PbI2, we must calculate [Pb2+] in each equilibrium system. This is most easily done by constructing an equilibrium table. We first find the initial amount of ...
*April 7, 2011*

**philosophy**

abortion
*April 4, 2011*

**philosophy**

Our text discusses the challenge relativism presents to various ethical and religious viewpoints. Consider a specific moral question which might make it difficult to accept the relativist's response. State the moral issue involved, and provide an explanation as to why you ...
*April 4, 2011*

**philosophy**

State the moral issue involved, and provide an explanation as to why you think a relativist might have problem giving a justified response to it
*April 4, 2011*

**math **

In December the average total rainfall in all of the deserts together is 0.89mm.Explain how to use the figures from the table to write a comparison of the total desert rainfall in August and December.
*March 31, 2011*

**pharmacology 1**

identify the vitamin converted by sunlight on the skin and found in fortified food products
*March 30, 2011*

**Math**

Sue, are you able to help? My son has to go to bed soon and we are anxious to figure out how to do this....appreciate your help!!!
*March 22, 2011*

**Math**

The numbers M and N are different numbers selected from the first 25 counting numbers: If M is larger than N, what is the smallest value that the expression below can have? m * n over m-n?
*March 22, 2011*

**Math**

Can anyone help me solve a Math Olympiad Fraction problem?
*March 22, 2011*

**Honors Chemistry**

A sample of CO2(g) at 305mmHg goes from 13 degress celsius to 25 degress celsius. What is the new pressure?
*March 22, 2011*

**Math**

ok, thanks. I was just thinking I had to use the same number for M & M on the top and bottom of the fraction. I understand now. Thanks so much!
*March 22, 2011*

**Math**

I thought in this problem M and N had to be the same numbers so how could we do 1*2 over 25-1. Also, M has to be larger than N........still confused.
*March 22, 2011*

**Math**

the numbers M and N are different numbers selected from the first 25 counting numbers: If M is larger than N, what is the smallest value that M * N over M-N could have?
*March 22, 2011*

**liberal arts**

3(x – 2) + 4x = -27
*March 2, 2011*

**Physics help! **

An extreme skier, starting from rest, coasts down a mountain that makes an angle of 26.7 ° with the horizontal. The coefficient of kinetic friction between her skis and the snow is 0.248. She coasts for a distance of 10.5 m before coming to the edge of a cliff. Without ...
*February 24, 2011*

**Physics 2**

A 0.564-kg basketball is dropped out of a window that is 5.85 m above the ground. The ball is caught by a person whose hands are 1.89 m above the ground. (a) How much work is done on the ball by its weight? What is the gravitational potential energy of the basketball, relative...
*February 24, 2011*

**PHYSICS**

Bicyclists in the Tour de France do enormous amounts of work during a race. For example, the average power per kilogram generated by Lance Armstrong (m = 75.0 kg) is 6.50 W per kilogram of his body mass. (a) How much work does he do during a 117-km race in which his average ...
*February 24, 2011*

**Physics! **

One of the new events in the 2002 Winter Olympics was the sport of skeleton (see the photo). Starting at the top of a steep, icy track, a rider jumps onto a sled (known as a skeleton) and proceeds - belly down and head first - to slide down the track. The track has fifteen ...
*February 24, 2011*

**Chemistry II**

At a certain temperature, Kc = 33 for the reaction: H2(g) + I2(g) 2HI(g) Assume that the initial concentrations of both H2 and I2 are 6.00 x 10-3 mol/L. Find the concentration of each reactant and product at equilibrium.
*February 22, 2011*

**MATH**

i NEED HELP SOLVING THIS WITH SUBSTITUTION 0.1X + 0.4Y= -2.6
*February 19, 2011*

**Math 209**

Draining the vat. With only the small valve open, all of the liquid can be drained from a large vat in 4 hours. With only the large valve open, all of the liquid can be drained from the same vat in 2 hours. How long would it take to drain the vat with both valves open?
*February 18, 2011*

**Math & Stats**

Please help I was up till 2am trying to figure this out last night, Thanks The top selling Red and Voss is rated 70,000 miles, which means nothing. In fact, the distance the tires can run until they wear out is a normally distributed random variable with a mean of 82,000 miles...
*February 11, 2011*

**Math**

I am really have a tough time trying to solve this problem. I think my first three steps are correct but I am not sure. Could someone please help me? I got lost somewhere on one of these steps. I thonk it was step 3, 4, 5. Thank you. The two numbers chosen for my solution will...
*February 10, 2011*

**Math**

I am stuck on trying to figure out how to do this question. Could someone please show me 5 necessary steps ? Thank you. Here is how the assignment question is worded. Select any two integers between -12 and +12 which will become solutions to a system of two equations. Write ...
*February 9, 2011*

**physics**

A car has an acceleration of 16 pc/y2. This value can be CONVERTED into which of the following units?
*February 8, 2011*

**physics**

W=FD 300/2 = 150 N
*February 8, 2011*

**physics homework! #92**

A small sphere is hung by a string from the ceiling of a van. When the van is stationary, the sphere hangs vertically. However, when the van accelerates, the sphere swings backward so that the string makes an angle of è with respect to the vertical. Find the ...
*February 7, 2011*

**Physics GO! (82)**

To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch of the tree. He then pulls downward on the free end of the rope with a force of 365 N. Neglect any friction between the rope and the branch, and ...
*February 7, 2011*

**Physics (76)**

the weight of the block on the table is 422 N and that of the hanging block is 185 N. Ignoring all frictional effects and assuming the pulley to be massless, find (a) the acceleration of the two blocks and (b) the tension in the cord.
*February 7, 2011*

**physics! (69)**

A damp washcloth is hung over the edge of a table to dry. Thus, part (mass = mon) of the washcloth rests on the table and part (mass = moff) does not. The coefficient of static friction between the table and the washcloth is 0.395. Determine the maximum fraction [moff/mtotal] ...
*February 7, 2011*

**physics :)**

A circus clown weighs 875 N. The coefficient of static friction between the clown's feet and the ground is 0.630. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the minimum pulling force that the clown must ...
*February 7, 2011*

**physics!**

A 1.60-kg bottle of vintage wine is lying horizontally in a rack. The two surfaces on which the bottle rests are 90.0° apart, and the right surface makes an angle of 45.0° with respect to the horizontal. Each surface exerts a force on the bottle that is perpendicular ...
*February 7, 2011*

**PHYSICS!!**

Air rushing over the wings of high-performance race cars generates unwanted horizontal air resistance but also causes a vertical downforce, which helps cars hug the track more securely. The coefficient of static friction between the track and the tires of a 552-kg car is 0.967...
*February 7, 2011*

**Physics (49)**

An ice skater is gliding horizontally across the ice with an initial velocity of +5.33 m/s. The coefficient of kinetic friction between the ice and the skate blades is 0.0988, and air resistance is negligible. How much time elapses before her velocity is reduced to +2.26 m/s?
*February 7, 2011*

**Physics (46)**

A 4.67-kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.446. Determine the kinetic frictional force that acts on the box when the elevator is (a) stationary, (b) accelerating upward with an ...
*February 7, 2011*

**Math**

Coould someone please let me know if I did this equation correctly. This question relates the topic of "Are you Sure It's Fat Free". To analyze the protein content I used 4 calories per gram of protein, rather than the 9 calories for gram fat. (Chunk Light Tuna ...
*February 7, 2011*

**Math**

Help me please to simplify 8 to 8th power x 8 negative 8th power
*February 6, 2011*

**Physics**

How much work must be done to bring three electrons from a great distance apart to within 2.1Ã—10âˆ’10 {\rm m} from one another (at the corners of an equilateral triangle)?
*February 5, 2011*

**physics**

The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, F1=88N and F2=54N, are applied to the crate, and it begins to move. The angle is 55 degrees. The coefficient of kinetic friction between ...
*February 3, 2011*

**Physics**

Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 81 kg, and the mass of the woman is 60 kg. The woman pushes on the man with a force of 50 N due east. Determine the acceleration (magnitude ...
*February 3, 2011*

**Physics :)**

Part (a) of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 55.2 N. Part (b) shows the same bucket of water being pulled up from the well at a constant velocity. What is the tension in the rope in part (b)?
*February 2, 2011*

**Physics Homework**

The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, F1=88N and F2=54N, are applied to the crate, and it begins to move. The angle is 55 degrees. The coefficient of kinetic friction between the...
*February 2, 2011*

**PHYSICS**

Two horizontal forces, F1 and F2, are acting on a box, but only F1 is shown in the drawing. F2 can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +6.2 N and the mass of the box...
*February 2, 2011*

**Physics!!**

During a circus performance, a 73.1-kg human cannonball is shot out of a 19.5-m-long cannon. If the human cannonball spends 0.921 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
*February 2, 2011*

**Physics!**

Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 81 kg, and the mass of the woman is 60 kg. The woman pushes on the man with a force of 50 N due east. Determine the acceleration (magnitude ...
*February 2, 2011*

**PHYSICs**

The drawing shows a 29.7-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is k = 0.324. Determine ...
*February 2, 2011*

**Physicss**

Chapter 4, Problem 40 A 94.9-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 2.30 m/s^2, (b) moving upward at a constant speed, and (c) accelerating downward with an acceleration of 1...
*February 2, 2011*

**Physics **

A person pushes on a 60-kg refrigerator with a horizontal force of -260 N; the minus sign indicates that the force points in the -x direction. The coefficient of static friction is 0.68. (a) If the refrigerator does not move, what are the magnitude and direction of the static ...
*February 2, 2011*

**Geometry Ms. Sue help please?**

you aren't ms.sue!!!!!
*January 24, 2011*

**statistics**

A manufacturer of computer disks has a historical defective rate of .001. What is the probability that in a batch oof 1000 disks, 2 would be defective?
*January 23, 2011*

**science**

why does the water line flatten out after 0 celsius
*January 21, 2011*