Thursday
November 27, 2014

Posts by Tiffany


Total # Posts: 811

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 2.1×10−10 {\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

help math ahhhh
For questions 9–10, solve each system by elimination. 9. 5x + 4y = 1 3x – 4y = 7 (1 point) (–1, –1) (1, –1) (1, 1) 10. x + 2y = 5 3x + y = 10 (1 point) (3, –1) (1, 3) (3, 1)
January 20, 2011

algebra
The length of a rectangle is 6 cm more than four times the width. If the perimeter of the rectangle is 42 cm, what are its dimensions? a. length = 18 cm; width = 3 cm b. length = 18 cm; width = 9 cm c. length = 6 cm; width = 9 cm d. length = 3 cm; width = 18 cm
January 20, 2011

algebra
solve the system of equations using substitution. y = 2x + 5 y = 3x a. (–5, –15) b. (5, 15) c. (–15, –5) d. (1, 3)
January 20, 2011

algebra
solve the system of equations using substitution. y = x + 10 y = 3x a. (5, 15) b. (2.5, 7.5) c. (–15, –5) d. (–5, –15)
January 20, 2011

algebra
thanks
January 20, 2011

algebra
solve the system of equations using substitution. y = 3x – 4 y = 2x – 1 (1 point) a. (–2, –9) b. (1, –1) c. (1, 1) d. (3, 5)
January 20, 2011

algebra
solve the system of equations using substitution. y = 4x + 2 y = 3x + 6 a. (4, 18) b. (–4, –14) c. (–14, –4) d. (–4, –6)
January 20, 2011

algebra
Choose the compound inequality that repesents the situation. all real numbers at least –6 and at most 3 –6 >=x >= 3 –6 >=x >= 3 –6 < x < 3 –6 <=x <= 3
January 20, 2011

algebra
Choose the compound inequality that repesents the situation. all real numbers at least –6 and at most 3 –6 >x > 3 –6 >x > 3 –6 < x < 3 –6 <x < 3
January 20, 2011

bio
Discuss three types of fossils and how they are formed.
January 20, 2011

bio
Discuss how the external environment of an organism can affect gene function.
January 20, 2011

Biology
Compare and contrast the terms aerobic process and anaerobic process.
January 20, 2011

Biology
Explain the importance of carbon's ability to form covalent bonds in straight chains, branched chains, or rings.
January 20, 2011

Bio
An electromagnet can be made by wrapping insulated wire around an iron nail and connecting the ends of the wire to a 6-volt battery. HYPOTHESIS: Increasing the number of coils of wire wrapped around the nail increases the strength of the electromagnet, as measured by the ...
January 20, 2011

english
How does " an occurence at owl creek bridge" a reflection of the period of time?
January 19, 2011

asymptotes and graphing, f
graph and identify the horizontal asymptote y=7(1/4)x
January 18, 2011

English
Write 5 sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each. 1. Education "is very" (simple present tense) important in your critical role for financial success. 2. I'm "trying&...
January 16, 2011

Math
Suppose you earn $7 per hour The number of hours you work (input) determines your pay (output) i need the inputs and outputs
December 19, 2010

Math
complete the pattern 3 8 13 18 23 what three numbers come next?
December 16, 2010

prob. statistics
a survey indicates that 41% of women in the us consider reading as their favorite leisure time activity. you randomly select 4 women and ask them if reading is their favorite leisure time activity. find the probability that exactly 2 of them said yes
December 13, 2010

chemistry
there is 4.5 grams of acetic acid in 100 ml of water. how many moles of acetic acid is that?
December 13, 2010

Math
78
December 13, 2010

child care
thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?
December 13, 2010

Please check answers/ childcare
thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?
December 12, 2010

Please check answers/ childcare
thanks bobpursley ok 6 is not b so i think is a? and 20 if its 25-30% its b?
December 12, 2010

Please check answers/ childcare
hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...
December 12, 2010

child care
hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...
December 12, 2010

Childcare Manegment /please chech answers
hello i need someone to check these for me? 6) alcohol,drugs,radiation,and pollutants that affect a child development are called a.teratogens b.toxic inhibitors c.tranferal agents. d.phenylanines 10) monstrates an inability to leap over a barrier, his teacher checks to see if ...
December 11, 2010

can you please check my answers
1) A strategy for health promotion among infants toddlers and young children focuses on educational programs physical fitness activities and a. family planning b.tobacco,alcohol, and drug use. c.Nutrition. d.mental health & menta disorders. 2)The main goal of effective health...
December 11, 2010

chemistry
After writing a balanced equation for the reaction between magnesium and hydrochloric acid, calculate the mass of magnesium needed to produce 90ml of hydrogen gas @ STP conditions.
December 9, 2010

General Physic
The time it takes for an object dropped from the top of cliff A to hit the water in the lake below is twice the time it takes for another object dropped from the top of cliff B to reach the lake. If it takes 2.30 s for the object to fall from cliff A to the water, what are the...
December 5, 2010

english (Frederick Douglass)
Whatis the most important description of Mr. Gore?
December 4, 2010

english (Frederick Douglass)
Why do you think Douglass says of the killing of slave Demby ‘in an instant poor Demby was no more. His mangled body sank out of sight, and blood and brains marked the water where he stood.”?
December 4, 2010

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