Sunday
December 4, 2016

# Posts by ash

Total # Posts: 524

Math
A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
February 1, 2011

A 3.50 liter ballooncontains air at 65% relative humidity at 22 degrees C at 1.0 atm pressure. A small peice of Na metal is introduced to the balloon to remove all of the water vapor. What would the new volume be for the dry air in the balloon?
January 31, 2011

chemistry
e. copper ions, nitrate ions, and water. a and b are eliminated because copper and nitrate turn out to be aqueous due to solubility rules. that leaves you with b, c, and e. with these types of problems, you'll never end up with electrons as the answer, it'll only ask ...
January 28, 2011

statistics
what is average for the following numbers 65 49 24 15
January 26, 2011

English
What is the theme of "Abalone, Abalone, Abalone" by Toshio Mori?
January 23, 2011

trig
It is false. The smaller angle can have a greater value.
January 20, 2011

physics
Thanks!I get it now. I had gotten the normal force, but I wasn't sure how to get the force of friction, but this helps.
January 20, 2011

physics
A couch with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move downward. If it sldes with an acceleration of .79 m/s^2 at 12 degrees, what is the coefficient of kinetic friction. I still am having troubles with ...
January 20, 2011

Physics
Ok, that's what I got but I wasn't sure if it was correct. Thanks so much!
January 20, 2011

Physics
Someone attaches a 27 kg bale of hay to one end of a rope passing over a frictionless pulley connected to a beam in a hay barn. Someone else pull down on the opposite en of the rope with a force of 397 N. Ignoring the mass of the rope, what will be the magnitude and directionf...
January 20, 2011

Physics
I don't think I did it correctly. I got a very very small number.
January 20, 2011

Physics
A coach with a mass of 100 kg is placed on an adjustable ramp attached to a truck. As one end raises, the couch begins to move downward. If it sldes with an acceleration of .79 m/s^2 at 12 degrees, what is the coefficient of kinetic friction. I think I found the normal force, ...
January 20, 2011

english
this is not unethical. There is no ethical boundary, per se, for advising another co-worker of their work practices. An ethical issue may arise however if I shared that information with that co-worker and I wasn’t supposed to know /share (ie. a supervisor told me in ...
January 19, 2011

english
Is it ethical telling an associate and close friend that she should pay more attention to her work responsibilities, or management will fire her please explain why?
January 19, 2011

Math
solve log(b4)x-log(b4)2=2 (b4)=base 4
January 10, 2011

Pre-Calc
Solve the equation. (tan^2)3x=3
December 29, 2010

trigonometry
solve: 2cosx-1=0
December 15, 2010

maths
find the area of a square ABCD 16 square meter.find the area of the area joining mid points of the side
December 12, 2010

Math
A bolt weights about 2/5 ounce. True or false The expresion 48 divided by 2/5 could be used to find the number of bolts in a 3 pound box
December 2, 2010

Math
A bolt weights about 2/5 ounce. True or false The expression 48 divided by 2/5 could be used to find the number of bolts in a 3-pound box
December 2, 2010

Chemistry
When determining boiling points, why would you need to repeat your experiment if your sample completely vaporized before you were able to obtain a constant temperature?
December 1, 2010

Chemistry
When determining boiling points, why would you need to repeat your experiment if your sample completely vaporized before you were able to obtain a constant temperature?
December 1, 2010

Chemistry
you were asked to determine the melting point of an unknown compound in order to identify at as one of the compounds you had previously examined. What else could you have done to make sure that your unknown was indeed the compound you believed it to be, and not just a compound...
December 1, 2010

Chemistry
In the determination of melting points, why cant you use water instead of mineral oil?
December 1, 2010

Chemistry
How will the boiling point of a substance be affected by increasing the atmospheric pressure? How will the boiling point of a substance be affected by decreasing the atmospheric pressure?
December 1, 2010

Math
actually i have a question is that 1 big problem or 4 different ones???
November 30, 2010

art
a positive bias
November 24, 2010

Statistics
hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
November 21, 2010

math
hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
November 21, 2010

statistics
hi, how would i calculate the standard deviation of the following sampling distribution of means. apparently this is the longhanded way of calculating standard error. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 (2, 2) ... 2 (2, 3) ... 2.5 (2, 6) ... 4 (...
November 21, 2010

statistics
what is meant by the standard error of a statistic? what is it an index of? what is meant by the standard error of the mean? what it is an index of?
November 21, 2010

statistics
what is sampling distribution and sampling distribution of means?
November 21, 2010

statistics
what is random sampling and why is it important to statistical inference with reference to representativeness and error?
November 21, 2010

Math
i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a) compute the mean and the standard deviation of the population? ive looked through all my notes and my textbook ...
November 21, 2010

statistics
i have a question regarding statistics. i just don't know how to do it and would really appreciate if someone could tell how i can solve it. the question is; a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11 a) there are 5x5=25 different samples of two ...
November 20, 2010

Chemistry
If the pH of grapefruit is 3 and the pH of beer is 5, how many times more acidic is the grapefruit juice than the beer? According to the logarithmic scale
November 10, 2010

Chemistry 110
What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help
November 9, 2010

Chemistry
What anhydrous salt has a molecular mass of 258g/mol? I believe the results from my experiment were incorrect and i can not figure out the general formula for the hydrated salt with a molecular mass of 258g/mol. please help
November 9, 2010

accounting
The gross pay is \$3000 don't know the net pay
November 9, 2010

math
You would dothe commission divided by the percentage of the commission, so 6.48/.054
November 8, 2010

accounting
Earnings at regular rate (40hrs x \$40) = \$1600 Earnings at overtime rate 20hrs x \$40 x 1.75 = 1400 1400+1600 = 3000
November 5, 2010

chemistry
A student performing the water of hydration experiment cant seem to get his hydrate to constant weight. Several times he heats the compound, allows it t cool, and weighs it. But each time he does, he obtains a different mass. can you suggest some possible causes for this dilemma?
November 3, 2010

Chemistry
A commercial for a well known cleaning powder says that it "shakes out white, then turns blue" what type of reaction os occuring? what compound can one use to produce this effect?
November 3, 2010

Chemistry
How is water of hydration related to measurement and how it is related to the law of definite composition?
November 3, 2010

Chemistry
calculate the empirical formula. A chemist heats 50.00g of sulfur under controlled conditions to produce a sulfer-oxygen compund.The mass of the sulfur-oxygen compound is 100.00g. What is the empirical formula of the sulfur-oxygen?
October 20, 2010

Chemistry
If you use a different mass of magensium metal in an experiment would the empirical formula of the compund be the same?
October 20, 2010

college
Defendant A was suspected of selling stolen property from his dorm room. An undercover campus police officer knocked on Defendant A’s door. And when answer, asked for an affordable radar detector. In response, defendant A said that he just got two new ones last night. ...
October 11, 2010

crim j
Should this evidence be excluded? What court case(s) justify your decision?
October 11, 2010

crim j
Defendant A was suspected of selling stolen property from his dorm room. An undercover campus police officer knocked on Defendant A’s door. And when answer, asked for an affordable radar detector. In response, defendant A said that he just got two new ones last night. ...
October 11, 2010

Physics
No..so is it 363+699+363 / 240s + 660s ?
October 5, 2010

Phyiscs
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 22 minutes at an average speed of 6.80 m/s. During the second part, she rides for 36 minutes at an average speed of 5.20 m...
October 5, 2010

physics
State the law of acceleration in its full form and give examples of how it works
September 29, 2010

college
During a particular thunderstorm, the electric potential difference between a cloud and the ground is Vcloud - Vground = 1.3 × 108 V, with the cloud being at the higher potential. What is the change in an electron's electric potential energy when the electron moves ...
August 27, 2010

physic
Calculate the true mass (in vacuum) of a piece of aluminum whose apparent mass is 4.5000 kg when weighed in air.
August 8, 2010

math
August 7, 2010

math fractions
whats 1/8 of \$84.00
July 16, 2010

child care
b) because im in middle school now so im kinda of an expert
July 16, 2010

Economics
Hsjaj7272
July 13, 2010

Geometry
B is the midpoint of Symbol for segment A C. . AB=5x+2 AC=12x-2 What is the value of BC? Show your work for credit. Line segment A C with point B on it.
July 1, 2010

math
As a restaurant owner there are many decisions that you need to make on a daily basis, such as where to keep inventory levels. You wish to replenish your stock of dishes by purchasing 250 sets for your restaurant. You have two dish design from which to choose. One design costs...
June 21, 2010

chem
Is the following true or false? The actual size of a measurement multiplied by a conversion factor remains the same, because the measurement being converted is multiplied by 1.
June 11, 2010

algebra1
what formula should i use to solve this quadratic formula? 2x2 + 4x + 2 = 0.
June 7, 2010

statistics
I need help for this question asap thanx
May 3, 2010

statistics
Distance travelled in a week by sales staff employed by nationwide security firm is approximately normally distributed with a mean of 200 miles and standard deviation of 48 miles. Estimate the percentage of staff who in a week travel: 1. a)less than 80 miles b)more than 250 ...
May 3, 2010

Chemistry
i really don't know why it would be important
March 31, 2010

Chemistry
Why is it important for you to know how to separate solids from liquids?
March 31, 2010

calculus
for x is an element of [-11,11]the function defined by f(x)=x^7(x+3)^6. where does the function achieve its minimum?
March 29, 2010

chemistry
predict the pH of the solution obtained when a 1.0 M magnesium hydroxide solution is titrated with an equal amount of a 1.0 M solution of sodium chloride.
March 29, 2010

Spanish
Mi hermano quieren jugar al futbol.
March 29, 2010

Chemistry
What are some periodic trends among the following elements- carbon, silicon,germanium,tin, and lead?
March 23, 2010

Chemistry
yes but how is it compared
March 23, 2010

Chemistry
When you look up the atomic masses of Si and Sn and then find the average and then look up the atomic mass of Ge, what is discovered? does it lend supporting evidence to the periodicity of elements?
March 23, 2010

Chemistry
I need help describing some periodic trends in the periodic table
March 23, 2010

Chemistry
why do elements within a group have similar chemical properties?
March 23, 2010

Chemistry
What does the study of the periodic table have to do with classification and prediction?
March 23, 2010

law of definite composition
when performing an experiment using potassium chlorate and heating it to form potassium chloride what reasons can you offer for any differences between your results and another lab group in your class?
March 10, 2010

chemistry
why is the law of definite composition important?
March 10, 2010

chemistry
how could you determine whether all the potassium chlorate had been decomposed after heating it using the law of definite composition?
March 10, 2010

Physics
A bat flying in a cave sends out a sound wave to navigate. If the cave temperature is 10.8 C, and the sound the bats sends out takes 0.0679 s to echo back, how far away is the cave wall
February 28, 2010

Physics
If you are standing on the edge of a canyon and yell into the canyon, how long will it take the echo to return to you if the opposite canyon wall is 1060.4 m away and the air temperature is 25.2 C?
February 28, 2010

Physics
What is the fundamental frequency for tube resonating in water if the speed of sound was 343.5 and the tube was 0.274 m out of the water.
February 28, 2010

Chemistry
calculate the number of atoms in 31.5g of cadmium
February 18, 2010

US Government
Thank you Ms. Sue. Goodnight
February 17, 2010

US Government
Why was the separation of powers among the branches important to the founding fathers? Thanks so much! Ash
February 17, 2010

US Federal Government
thank you very much!
February 17, 2010

US Federal Government
How is popular sovereignty present in US Federal government? I know popular sovereignty means the people have the primary source of governmental authority (it also had to do with slaves states and how a state registered their vote as a slave state or not a slave state... HELP...
February 17, 2010

US HISTORY
which of the 3 branches of the federal US government does the federal reserve and the census bureau fall under?????? please answer! thanx! love, ash
February 7, 2010

US HISTORY
which of the 3 branches of the federal US government does the federal reserve and the census bureau fall under?????? please answer! thanx! love, ash
February 7, 2010

math
Sophia spent \$7.30 for school supplies. She spent \$3.00 for a notebook and \$1.75 for a pen. She also bought 3 large erasers. If each eraser had the same cost, how much did she spend for each eraser?
February 4, 2010

US HISTORY
I am trying to understand the following 3 concepts: Popular Sovereignty Separation of powers (and the 3 branches of gov) Checks and balances (how does a branch have power over another) Thank you for your insight! Ash
February 3, 2010

US Government
I am having a problem understanding what the different roles of the US President are responsibilities: What are"the Head of States" responsibilities? What are "The Chief Executive" responsibilities? What are the "Chief Diplomat" responsibilities? ...
January 31, 2010

MATH
WHAT IS THE SEQUENCE OF 5,7,9,11,13,15...
January 27, 2010

Poetry/English
I am STILL trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost: Please advise if I am on the "right road" or could you put me on "the right path if I am wrong... line 12 "In leaves no step had trodden black"--is ...
January 26, 2010

english
I am trying to find 3 poetic devices in the poem "The Road Not Taken" by Robert Frost. I think "to Where it bent in the undergrowth" is personification I think "Somewhere ages and ages hence" is figurative language and "then took the other, ...
January 25, 2010

instrument
I have absolutely no idea about this, but I am doing a crossword puzzle for music, and I don't know what #1 across is. The clue it gives you is, "music sounds produced by the use of tools," and the word or words is 19 letters long. Help please! Due tomorrow!
January 24, 2010

physics
A train with a velocity of 45.1 m/s must come to an emergency stop in 10.6 s. How far did it travel during this time? i tried to use the x=1/2at^2+vit+xi equation but that did not work..
December 17, 2009

physics
A tailback initially running at a velocity of 6.6 m/s becomes very tired and slows down at a uniform rate of 0.55 m/s2. How fast will he be running after going an additional 6.2 meters?
December 17, 2009

physics
A tailback initially running at a velocity of 6.7 m/s becomes very tired and slows down at a uniform rate of 0.68 m/s2. How fast will he be running after going an additional 6.1 meters?
December 17, 2009

physics
Over a period of 9.0 seconds a plane changes its velocity from 29.5 m/s to 45.7 m/s. What is its uniform acceleration? ---------------- I'm reviewing for my final and i can not think of what the formula to solve this is.
December 17, 2009

English
how do you write great descriptive paragraph
December 7, 2009

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