An
Popular questions and responses by An
operation planning
A gourmet coffee shop in downtown SF is open 250 days a year and sells an average of 80 pounds of Kona Coffee beans a day. it purchase coffee beans for $20.00 per pound. ordering (fixed cost = $16 per order), beans are always shipped from Hawaii within
asked on October 30, 2014 
Business
Which of the following is a leading indicator for economic growth? A) Inflation B) Interest rates C) Investments D) Quantitative easing E) Newly minted currency.
asked on March 18, 2020 
physics
If motion of a particle of mass (m) is given by y=ut+1/2gt^2 (square).find force acting on it
asked on October 5, 2012 
Science
Based on the following chemical equation how many molecules of Hydrogen (H) are present in the reactants side? 2H2 + O2 > 2H2O a. 1 b. 2 c. 3 d. 4
asked on February 3, 2020 
social studies
which was a significant reason middle colonies were more faorible to farmers than new england. select all that aply.
asked on September 23, 2019 
help!
I have an assignment for tomorrow and I am completely confused. What are the techniques needed for an essay?
asked on January 9, 2018 
Physics
An automobile traveling along a straight road increases its speed from 67 ft/s to 85 ft/s in 180 ft. If the acceleration is constant, how much time elapses while the auto moves the 180 ft? Answer in units of s. Can you tell me the steps in doing this?
asked on October 4, 2016 
ap chemistry
calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? P=0.0003 atm. how to solve
asked on January 6, 2015 
History
1. In 1916, Woodrow Wilson ordered General John J. Pershing to lead U.S. troops into Mexico to capture A. Francisco Madero. B. Victoriana Huerta. (C. Pancho Villa.) D. Porfirio Diaz. 2. The last of Wilson's Fourteen Points called for (A. the creation of a
asked on November 12, 2013 
biochemistry
I have three questions. I don't even know where to begin. 1. a) If an in vitro fatty acid synthesizing system is supplied with [214C]acetyl CoA as the only source of radioactive label along with all other necessary cofactors/reactants for net fatty acid
asked on December 9, 2010 
algebra question
240 is the sum of two numbers in which the larger number is 6 less than twice the smaller number what are the two numbers
asked on October 1, 2007 
Math
A triangle is formed from the points L(3,6), N(3,2) and P(1,8). Find the equation of the following lines: a) the median from N b) the right bisector of LP c) the altitude from N
asked on August 21, 2019 
english
what is the supernatural?
asked on January 16, 2018 
sorry
I apologize to everyone. I was just trying to help.
asked on January 10, 2018 
maths
Please could someone answer the speed camera question.
asked on January 5, 2018 
Math
Which is the largest 6 digit odd number without the repitition of the digits
asked on July 3, 2017 
math
A man 6 feet tall walks along a walkway which is 30 feet from a the base of a lamp which is 126 feet tall. The man walks at a constant rate of 3 feet per second. How fast is the length of his shadow changing when he is 40 feet along the walkway past the
asked on October 18, 2016 
math
The upper chamber of an hourglass is a cone of radius 3 inches and height 10 inches and, if full, it requires exactly one hour to empty. Assuming that the sand falls through the aperture at a constant rate, how fast is the level falling when: a) the depth
asked on October 18, 2016 
Hkl
when rounded to the nearest 10, am 20. I am an odd number. The difference in my digits is 1, am greater than 21, what number am l
asked on November 8, 2015 
Physics
Two particles of mass 5 g and 10 g respectively are joined by a light string which passes through a small hole on a smooth table. The smaller particle describes a circle of radius R on the table at a rate of 4 revolutions per second while the heavier
asked on October 14, 2015 
chemistry
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. help please 25g/58.44g NaCl=.428 mol 1000 grams
asked on January 6, 2015 
English Vocabulary fill in the blank
1. Degenerate 2. Implausible 3. incoherent 4. intercede 5. intricate 6. sanctuary 7. scrutiny 8. sinister 9. suffice 10. vulnerable need help 12 Birds feel ___ to attack when they are out in the open where shrubbery is sparse. To attract them to your bird
asked on September 20, 2013 
6th grade math
I need help explaining ratios and proportions to my 6th grader
asked on January 28, 2013 
physics
a bomb of mass 5 kg explodes in to two equel fragments. At what angle these fragment fly apart ?
asked on October 5, 2012 
MATH FAST NOW!!!!
1.80%(2) (=,) 120/3 2.1750%70 (=,) 1008/48 3.240/80 (=,) 150/50 4.675/45 (=,) 865/51 5.3755%x= 15 7.x%(17)=35
asked on September 20, 2012 
Math
1.80%(2) (=,) 120/3 2.1750%70 (=,) 1008/48 3.240/80 (=,) 150/50 4.675/45 (=,) 865/51 5.3755%x= 15 6.22=x%(34) X=748 7.x%(17)=35 8.680 % x =53 X=13
asked on September 19, 2012 
physics
A Cessna aircraft has a liftoff speed of 120 km/h. What minimum constant acceleration does this require if the aircraft is to be airborne after a takeoff run of 265 m? Answer in units of m/s2 b) How long does it take the aircraft to become airborne?
asked on September 6, 2012 
physics
If a violin string vibrates at 1720Hz, what is the wavelength of the sound produced in the surrounding air? (assume T=20 degree Celsius and speed is 344m/s)
asked on February 2, 2012 
Radiobiology
What exposure will a radiology technologist receive when exposed for 10 minutes at 4 meters from a source with intensity of 100 mR/min at 1 meter?
asked on October 13, 2011 
chem
If 1.0 L of 0.2 M Ca(OH)2 is added to 2.5 L of 0.1 M HCl, the pH of the final solution is? can someone show me the working out of this question? im very confused by it. thankyou
asked on August 18, 2011 
physics
A block lies on a smooth plane tilted at an angle è = 28.5° to the horizontal. Ignore friction. (a) Determine the acceleration of the block as it slides down the plane. 1 m/s2 (b) If the block starts from rest 9.40 m up the plane from its base, what will
asked on December 7, 2010 
Mathematicas
What generalizations can you make about the temperature that is read on the thermometer and the heat index?
asked on February 2, 2010 
math
To win $1 million, you must draw two cards whose sum is nine from a stack of cards numbered 1 through 10. After the first draw, you replace the card and shuffle the stack again for the second draw. What is the chance that your two cards will have a sum of
asked on January 27, 2010 
science
campare inheritance by multiple allels and polygenic inheritance
asked on December 10, 2009 
calculus
if dy/dx= (1+lnx)y and if y=1 when x=1, then y=
asked on January 30, 2008

geometric
Here is the is the question which would you use to measure a semi truck a)yard b)pound c)ounce.It would be c) and this is just 4th grade math.
posted on March 25, 2020 
s.s
I cant afford to get a bad grade on this
posted on May 22, 2019 
s.s
Does this test change every day?
posted on May 22, 2019 
4th grade math
It is less than half so the answer is 12
posted on May 6, 2019 
math
Yes
posted on March 23, 2019 
sorry
I will do just that.
posted on January 10, 2018 
help!
thanks Writeacher. Miss softly was really impressed with my effort. she said that the only thing I needed to work on was my presentation.
posted on January 10, 2018 
phys science
please forgive me Vanessa.
posted on January 10, 2018 
sorry
please could you forgive me writeacher
posted on January 10, 2018 
Maths
12x5=60 10x60=600m
posted on January 9, 2018 
physics
I think it is 214.28
posted on January 9, 2018 
phys science
Oops. Is this science? It looked like maths to me. Sorry.
posted on January 9, 2018 
phys science
I am not an expert at maths but I am quite sure that speed is the motion/movement of the object and how fast something is travelling.
posted on January 9, 2018 
help!
The question for my essay was is Macbeth a villain or a hero? Was he a villain?
posted on January 9, 2018 
help!
Thanks for your help. You really helped me.
posted on January 9, 2018 
maths
A speed camera takes two photos of a car photo two was taken 0.5 secs after photo 1. Marks on the road are0.8 metres wide. What is the average speed?
posted on January 9, 2018 
Maths
the answer is 14.4. got full marks.
posted on January 5, 2018 
Maths
Did you get this question on maths watch?
posted on January 5, 2018 
Maths
I tried 1.6 but it does not work
posted on January 3, 2018 
Maths
It does not work
posted on January 3, 2018 
Math
125
posted on October 30, 2017 
science
Don't know
posted on March 17, 2017 
math
Why you have v(t) = 30π  π/2 t???
posted on October 18, 2016 
math
Help me please!!!
posted on October 18, 2016 
Math
How many of those numbers are 1s? How many numbers are there in total? put the first answer over the second one and that should be the fraction. Simplify if needed. To find the decimal, use the first answer and divide it by the second answer.
posted on October 4, 2016 
geometry
6000
posted on May 29, 2016 
probability
c=1/128
posted on March 2, 2016 
chemistry
c b
posted on February 17, 2016 
Math ___
wow stupid
posted on April 6, 2015 
ap chemistry
HELP ME WITH THIS ONE WHEN DONE WITH THE OTHER THX calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? k for CO2 is 3.4E2 mols/L*atm c=KP
posted on January 6, 2015 
ap chemistry
also for the above question the answer for the mole fraction of NaCl is 0.00785 not 0.00766 what i do wrong moles of NaCl (.428 mol)/ moles of solution (55.9) = 0.00766 what i do wrong?
posted on January 6, 2015 
ap chemistry
25g/58.44g NaCl=.428 mol 1000 grams of solvent H20 25g/58,44 g x100= 42.8 % mass percent molarity .428 mol/1.0 L= .428 M molality= .428 mol/1 Kg= .428 molal is that right? help please ap chemistry  an, Tuesday, January 6, 2015 at 12:47am is that right
posted on January 6, 2015 
ap chemistry
thanks good night
posted on January 6, 2015 
ap chemistry
is that right please help me
posted on January 6, 2015 
ap chemistry
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. help please 25g/58.44g NaCl=.428 mol 1000 grams
posted on January 6, 2015 
chemistry
0.9544 is in volts or eV?
posted on August 26, 2014 
Chemistry
how you clacula the number c?
posted on August 4, 2014 
Chemistry
d = 0.41 how can i calculate that result?
posted on August 4, 2014 
chemistry
d111 λ=3.091A a=3.53A λ=2d(111)Sin(angle) d=a/sqrt(h^2+k^2+l^2)
posted on July 7, 2014 
History
Your good
posted on June 19, 2014 
math/2nd grade
The box of An has more crayons the the box with matthew
posted on October 28, 2013 
Physics
can anyone help me with question 6?
posted on May 26, 2013 
Life Orientation
Pollution
posted on May 1, 2013 
chemistry
Glasses do not have slip systems Glasses are brittle at room temperature Glasses are amorphous and have no long range symmetry The volume of a sample of glass depends on its cooling rate
posted on April 21, 2013 
Chemisry
Glasses do not have slip systems Glasses are brittle at room temperature Glasses are amorphous and have no long range symmetry The volume of a sample of glass depends on its cooling rate
posted on April 21, 2013 
Quantum Physics
III)Provide a unitary that maps cos (30) 0> + sin (30) 1> to cos(15) 0> + sin(15) 1> and cos(5) 0> + sin(5) 1> to cos(40) 0> + sin(40) 1> . Enter 0 in all boxes if no such unitary exists.
posted on March 16, 2013 
Statistics
. State the null and alternative (research) hypothesis in symbolic form. The hypothesis should be written based on the following information from the research situation: “The health psychologist in question is particularly interested in the myth of the
posted on March 5, 2013 
science
You are from connections academy. Look in the book.
posted on February 11, 2013 
chemistry
39.2 b
posted on January 13, 2013 
chemistry
39.2
posted on January 13, 2013 
chemistry
Answer: 0
posted on January 12, 2013 
Geometry
42
posted on January 9, 2013 
Easy math
But I need it for 6 o'clock
posted on September 19, 2012 
Easy math
Do you know who else can help me
posted on September 19, 2012 
Math
Help please?!!!
posted on September 19, 2012 
math
Susan wore the blue ribbon Clare wore the yellow ribbon Now you do jean
posted on September 19, 2012 
Easy math
Ms.Sue can you help me
posted on September 19, 2012 
English
The marshmellow man is from ghostbusters..lol
posted on April 17, 2011 
chemistry
yes its right, cv, oh, lumo, homo
posted on July 19, 2010 
CHEMISTRY (WEBWORK)
its not F
posted on July 12, 2010 
science
big idea oof energy is shoowing the changes of how energy is transferred
posted on April 24, 2010 
math
(10 * 8) + 1 = 80 + 1 = 81 After your examples I am sure you could have figured this one out
posted on March 15, 2010 
Language Studies
Yes
posted on February 1, 2010 
math
Is there a number greater than six on a number cube? NO! so the answer should be 0...
posted on January 30, 2010 
math
No problem!
posted on January 29, 2010