Saturday
April 30, 2016

# Posts by ashlee

Total # Posts: 111

Algebra
The function H(t) = -16t2 + vt + s shows the height H (t), in feet, of a projectile launched vertically from s feet above the ground after t seconds. The initial speed of the projectile is v feet per second. Part A: The projectile was launched from a height of 90 feet with an ...
April 17, 2016

math
The back of Dante's property is a creek. Dante would like to enclose a rectangular area, using the creek as one side and fencing for the other three sides, to create a pasture. If there is 720 feet of fencing available, what is the maximum possible area of the pasture?
November 13, 2015

Physics
Catching a wave, a 77-kg surfer starts with a speed of 1.2 m/s , drops through a height of 1.60 m , and ends with a speed of 8.5 m/s . How much nonconservative work was done on the surfer?
November 10, 2015

AP Chem
Calculate the partial pressure of 4.0 g methane when mixed with 16.0 g oxygen. The total pressure of both gases is 600. torr.
November 1, 2015

Math
R is a 3 digit number The first digit is the answer when the third digit is divided by 5. The second and third digits add to 8. The difference of the first and second digit is 2.
August 18, 2015

Chemistry
Using a 0.20 M phosphate buffer with a pH of 6.7, you add 0.71 mL of 0.55 M HCl to 52 mL of the buffer. What is the new pH of the solution?
February 27, 2015

Chemistry
You are instructed to create 200. mL of a 0.27 M phosphate buffer with a pH of 7.8. You have phosphoric acid and the sodium salts NaH2PO4, Na2HPO4, and Na3PO4 available. (Enter all numerical answers to three significant figures.) H3PO4(s) + H2O(l) equilibrium reaction arrow ...
February 27, 2015

Chemistry
How many milliliters of 0.150M BaCl2 are needed to react completely with 40.0mL of 0.260M Na2SO4?
December 12, 2014

Chemestry
determine the volume of a sample of plastic if the mass is 3.00g and the density is 1.24g/cm^3
December 2, 2014

Chemestry
Calculate the density of an object with a mass of 2.14g and a volume of 11.40mL.
December 1, 2014

Physics
PPPPPPPLLLLLEEEEEEAAAAAAASSSSSSSSEEEEEEEE HELP
November 5, 2014

Physics
someone please answer these Physics Q answers no explanation 1 What is the opposite force to gravity 2 an example of a contact force 3 an example of a non-contact force 4 What effect does ‘mass’ have on inertia 5 two examples of forces that could slow an object down ...
November 5, 2014

math
Find the solution of the linear system. x + y + z = 0 −x + 2y + 5z = 6 3x − y = 12 (x, y, z)= ???
August 11, 2014

science
A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the roundtrip?
May 14, 2014

Math
April 8, 2014

MATH
I think the answer is very simple. In order to find the answer you have to look closely to what the answer is telling you .
March 24, 2014

algebra
A baseball player hits a ball toward the outfield. The height h of the ball in feet is modeled by h(t) = -16t2 + 22t + 3, where t is the time in seconds. If no one catches the ball, how long will it stay in the air? (Round to the nearest tenth of a second and enter only the ...
February 13, 2014

Math
You want to build a garden around your garden. One side borders your house so it does not need a fence. If you only have 50m of fencing what dimensions should you make your garden in order to maximize the area?
January 26, 2014

Progamming
The Banking e-Teller system allows bank customers to perform ATM transactions from their cell phone. BET will allow customers to check balances, make remote capture deposits, and perform balance transfers to their checking or savings account. Balance transfers should only be ...
January 21, 2014

I did Physics, Earth sciences, Natural resources and Biology
September 16, 2013

Question
Is this website safe?
August 7, 2013

physics
Two charges separated by a distance of 1 m exert a 1.0N force on each other. If the changes are pulled to a 3-m separation distance, the force on each charge will be
April 19, 2013

programming logic and design
The Daily Gazette accepts classified ads in several categories. For most ads, the newspaper charges 10 cents per word for the first 50 words, and 8 cents per word for every word after that. Design a flowchart for a program that accepts data about an ad: customer name, ad ...
February 27, 2013

physics
A 5-kg crate is resting on a horizontal plank. The coeï¬ƒ- cient of static friction is 0.5 and the coeï¬ƒcient of kinetic friction is 0.4. After one end of the plank is raised so the plank makes an angle of 25 with the horizontal, the force of ...
January 20, 2013

Math
I am the smallest fraction between 2/3 and 3/4. My numerator is 7 less than my dominator. What fraction am I?
December 10, 2012

Math
I am a fraction between 1/3 and 1/5 My dominator is 1 less than 4 times my numerator. What fraction am I?
December 10, 2012

Health
Depression is treatable in ________ of cases. A. 90% B. 20% C. 80% D. 50%
November 30, 2012

chemistry
consider the following equilibrium: Mg(OH)2(aq) <-> Mg2+ (aq) + 2OH-(aq) a) what would happen to the equilibrium if some acid is added to the soultuion? --->OH- would increase causing Mg(OH02 to dissolve b) what would happen to the solubility of Mg(OH)2? ---> it ...
October 29, 2012

chemistry
Given a saturated solution of CaF2, write the ionic equilibrium and use it to calculate the solubility of CaF2. My answers for the ionic equation and ksp values are CaF2(s)<->Ca2+(aq)+ 2F-(aq) Ksp= [Ca2+][F-]2 ksp=2.02*10^-4 it asks what will happen to the value of ksp ...
October 29, 2012

Honors Geometry
AB=3 BC=15
September 11, 2012

health
The answer is Relaxation, for anyone who wants to know.
August 26, 2012

health
omg im using this for ashworth too!!!! haha to funny!!!
August 11, 2012

college math
125x^9m+27y^6m
July 20, 2012

its 1935
June 20, 2012

physics
The string on a violin has a fundamental frequency of 120.0 Hz. The length of the vibrating portion is 36 cm and has a mass of 0.58 g. Under what tension (in newtons) must the string be placed?
May 7, 2012

physics
A pendulum makes 23 vibrations in 36 s. What is its period in seconds?
May 2, 2012

Algebra
living in x aisle
March 28, 2012

physics
How large a force (in newtons) is needed to accelerate a 3 metric-ton vehicle from rest to a speed of 50 km/hr in 4 s?
March 7, 2012

Pre algebra
mr. and mrs.green received a discount of \$87 on a new electric stove. the discount was the result of a 1/4 of sale. what was the sale price of the stove?
February 13, 2012

I can't understand a word.
October 26, 2011

Math
A trapezoid is formed by placing a right isosceles triangle next to a square as shown in the figure. The total area is 54 ft2. Find the length of the bases and the height.
September 26, 2011

English
Can anyone help me with this? After the sentence, identify the underlined part as a prepositional phrase used as an adjective, prepositional phrase used as an adverb, participle, participial phrase, infinitive, or infinitive phrase. Would you like to know more about ...
September 23, 2011

math
Enter the expression asin(x)+15, where asin(x)is the inverse sine function.
September 9, 2011

chemistry
WHAT WOULD HAPPEN TO THE REACTION THAT PRODUCES AMMONIA IF WATER IS PRESENT IN THE REACTION MIXTURE?
July 12, 2011

Chemistry
HCl (g) Hbr(g) HF(g) Which of these gases has the fastest average speed? The highest average kinetic energy? How do I determine this?
May 3, 2011

math
yz= 15 cm
March 7, 2011

math
my homework didnt give me one
March 7, 2011

math
if segment "LM" =12cm and "MN" =15cm, what is the length of "YZ"?????
March 7, 2011

physics
Two slits are illuminated by a 536 nm light.The angle between the zeroth-order bright band at the center of the screen and the fourth-order bright band is 16.1 degrees. If the screen is 176 cm from the double-slit, how far apart is this bright band from the central peak? ...
February 5, 2011

physics
All but two gaps within a set of venetian blinds have been blocked off to create a double-slit system. These gaps are separated by a distance of 3.1 cm. Infrared radiation is then passed through the two gaps in the blinds. The angle between the central and the second-order ...
February 5, 2011

Chemistry
methanol and aluminum are reacted. how many moles of methanol must burn to raise the temperature of 100g of aluminum by 80 degrees Celsius?
January 13, 2011

Statistics
Jamaal, a player on a college basketball team, made only 50% of his free throws last season. During the off-season, he worked on developing a softer shot in the hope of improving his free-throw accuracy. This season, Jamaal made 54 of 95 free throws. We want to test the ...
November 3, 2010

phyiscs
A stone is thrown horizontaly from the top of a 25.00-m cliff. The stone lands at a distance of 40.00 m from the edge of the cliff. What is the horizontal velocity of the stone?
October 22, 2010

what mass of lead (ii) iodide (pbl2, mass=461 amu)is precipitated by the addition of an excess of potassium iodide (ki, mass=166 amu)to 50.0 ml of 0.60 m lead (ii) nitrate (pb(no3)2, mass=331.2 amu)?
October 20, 2010

physics
a man has only 4 simple pulleys to lift a heavy load of 6000N. in roder to lift the load easily, he combines the pulleys (3 moveable, 1 fixed). given that the frictional forces are 300N, what force must he apply in order to lift the load?
September 2, 2010

college
Your asking for how many combinations and not the probability so ignore the answer above. First find the number of combinations if all letters and numbers can be repeated (26*26*10*10*10*10)=6760000 Then find the number of combinations if none were repeated (26*25*10*9*8*7)=...
July 30, 2010

research paper on code of medical ethics opinion 5
No one Principle of Medical Ethics can stand alone or be individually applied to a situation. In all instances, it is the overall intent and influence of the Principles of Medical Ethics which shall measure ethical behavior for the physician .Now days many copywriting services...
June 24, 2010

math
(3/5)/6=D/25
June 22, 2010

chemistry
How many mL of 0.750 M HCl are needed to neutralize 14.89 mL of 0.350 M NaOH? ____ mL
May 5, 2010

chemistry
A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place, so the answer should...
May 5, 2010

Chemistry
Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.
April 11, 2010

Science
Explain the feedback mechanisms that maintain homeostasis.
April 6, 2010

algebra
Plane X flies 2,000 kilometers in 5 hours. Plane Y flies half as far in twice the time. What is the average speed, in kilometers per hour, of plane Y?
March 16, 2010

chem
a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?
November 1, 2009

Chemistry
a sample of C3H8O that contains 200 molecules contain how many atoms?
November 1, 2009

psychology
ha i sure wish i could.
September 16, 2009

psychology
im a high school student and my school does not give us a book. they just give us the paper and tell us to do the best we can. i just dont understand the way the question is worded. does it want to know what kind of technology is used and how it helps or does it want to know ...
September 16, 2009

psychology
help me help me help me pleaseeee!! i need to know how computer technology enchanced psychological research?
September 16, 2009

psychology
how has computer technology enhanced psychologists research?
September 16, 2009

Math Functions
If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find f^-1(x) where x </ 0
July 28, 2009

algebra
Uh...that makes two of us. If I got the problem I wouldn't be asking it.
July 27, 2009

algebra
If f(x)=x^2-2 and g(x)=1/(3x) (x does not equal 0), find f^-1(x) where x </ 0
July 27, 2009

English
What is the difference between Miss and Ms.?
April 22, 2009

Letter
What do you usually write to your sponsor child? Is there a template that I can see?
April 9, 2009

Your speed will increase with each day's practice. future tense Because of snow and ice on the runway, our departure will be several hours late. present tense Could someone tell me if these two answers are correct to the sentences?
April 2, 2009

thanks that helps
March 23, 2009

Why does a bouncy ball bounce in spite of gravity?
December 11, 2008

math
what is the answer to whaat kind of shoes does a frog wear? on page 165 on algebra with pizzazz
October 20, 2008

science....help
i just compared saw like whether it is 3.98
September 21, 2008

science....help
thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285 and ya 1 more question what is the difference between mass and weight?
September 21, 2008

science plzzz help
and ya 1 more question what is the difference between mass and weight?
September 21, 2008

science plzzz help
thanks ....is it like... 25g 50ml float 0.5 65g 40ml float 1.625 36g 35ml float 1.0285
September 21, 2008

science plzzz help
1 what si the diference between mass and weight? 2 will the following substances float or sink in water at 3.98 degree celcius? Mass volume float & sink 25g 50ml ? 65g 40ml ? 36g 35ml ?
September 21, 2008

science
if you cut the marble into two equal pieces, what will be the density , mass and volume of one of those pieces.
September 21, 2008

Mth plz...help
September 21, 2008

Mth plz...help
A linear regression equation of best fit between a student's attendence and the degree of sucess in school is h = 0.5x + 68.5. the correlation coefficent, r, for these data would be (1) 0 < r < 1 (2) -1< r < 0 (3) r = 0 (4) r = -1
September 21, 2008

geomatry
Given: Isosceles trapezoid CPRQ with base R CXQ Prove: QCX is isosceles it needs to be a two column proof
August 19, 2008

spanish
hello(: ive been learning spanish; & i need some help on it.!
August 5, 2008

trigonometry word problems
2x^2-x-28=0
May 9, 2008

math riddle ALGEBRA WITH PIZZAZZ
Did you heaar about.... its the one that has cow the his who & decided in the colomn as 1 of the answers
April 6, 2008

Math
what is 3X squared minus 4X = 20 minus 15X?
March 7, 2008

Math
how do i complete 2X squared minus X minus twenty one = 0?
March 7, 2008

english
I need help coming up with ideas for a double-voiced poem (aka: poem for two voices)?
February 21, 2008

HELP! parenthetical citation
I have a whole paragraph that basically summarizes a story. I have my own insight in the story. For example.. in this story blah blah blah I think that so and so blah blah blah. after doing this he did blah ... etc. i'm supposed to have three citations within my paper. do ...
February 15, 2008

parenthetical citation
In one of my paragraphs I am using one source. It's an online source about a case. One quote is a quote made from a judge, and the other quote is directly from the author of the article. Do I have to cite the one from the judge, cause it's quoted within the paper?
February 14, 2008

Laws
When was the first parental responsibility law created and what caused the idea. Or where could I find that?
February 13, 2008

MED SCHOOL
I've heard that good community college credits (A's) don't look as good as good grades from a four year school. Is that true?
February 6, 2008

MED SCHOOL
I want to be a plastic surgeon, is going to a community college for my general eds going to affect me?
February 6, 2008

Gov.
What should I type into search engines for information on what interest groups support which party more and stuff
November 1, 2007

Gov.
I'm supposed to compare and contrast the Democrat and Republican party. I can't find a good site that just gives this information in black and white. I want statistics and facts, any site ideas?
November 1, 2007

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