Dre
Most popular questions and responses by Dre
chemistry
Build the orbital diagram for the ion most likely formed by phosphorus.
asked on November 10, 2008 
Chemistry
A 334mL cylinder for use in chemistry lectures contains 5.225 g of helium at 23 C. How many grams of helium must be releasedto reduce the pressure to 75 atm assuming ideal gas behavior?
asked on January 23, 2018 
statistics
Suppose only 75% of all drivers in a certain state regularly wear aseat belt. A random sample of 500 drivers is selected. What is theprobability that a). Between 360 and 400 (inclusive) of the drivers in the sampleregularly wear a seat belt? b). Fewer than
asked on October 21, 2010 
General Chemistry
So I've been working on this online homework problem and got it wrong 8 times. I need help. Here's the question: 1,2diaminoethane, H2NCH2CH2NH2, is used extensively in the synthesis of compounds containing transitionmetal complexes in water. If pK_b1
asked on July 25, 2011 
statistics
Suppose that the proportions of blood phenotypes in a particular population are a follows: A = .42 B = .10 AB = .04 O = .44 Assuming that the phenotypes of two randomly selected indiviuals are independent of one another, what is the probablility that both
asked on September 20, 2010 
Film
In the film, "A Face in the Crowd", what is Elia Kazan trying to say about the commodification of these populist ideas and their use as a tool in mass media?
asked on September 29, 2010 
Sampling Distribution
Sampling Distribution Complete solutions and illustrations are required. 3.The mean systolic blood pressure of normal adults is 120 millimeters of mercury (mm Hg) and the standard deviation is 5.6. Assume that the variable is normally distributed. a.If an
asked on February 27, 2013 
geometry
find the measure of an anGle if five times the measure of its complement is 24 derees less than twice the measure of its supplement. What is the equation? What is the measure?
asked on September 20, 2010 
chemistry
Estimate the volume of one sodium atom using its metallic radius of 186pm please help
asked on November 10, 2008 
8TH GRADE MATH
A SOFTBALL DIAMOND IS A SQUARE WITH SIDES OF 60 FT LONG. HOW FAR IS THIRD TO FIRST BASE. ROUND TO THE NEAREST HUNDRETH. SO FROM THIRD TO FIRST IT WILL FORM A RIGHT TRIANGLE. THE LEGS ARE 60 TO 2ND POWER + 60 TO THE 2ND POWER. THE HYPOTENUSE IS WHAT I DON'T
asked on December 12, 2016 
Ap Chemisty
How many milliliters of an aqueous solution of 0.172 M silver fluoride is needed to obtain 12.1 grams of the salt?
asked on November 27, 2016 
Math
A circular plate has a diameter of 6 inches. A pancake in the center of the plate has a radius of 2 inches. How much of the plate is not covered? Use pi as 3.14.
asked on May 18, 2015 
Astronomy
Which of the following distance measuring techniques works to measure distances to other galaxies beyond the Milky Way? CHECK ALL THAT APPLY A) Hubble's Law B) main sequence stars C) Cepheid variable stars D) parallax E) radar ranging F) galaxy rotation G)
asked on November 30, 2010 
Science
So a crystallization experiment was performed using an impure sample of biphenly, it weights 0.5g and contains about 5% impurity. Benzene is used as the solvent but after crystallization only about 0.02g were found. If everything was performed correctly,
asked on June 6, 2007 
physics
What average force is required to stop a 920kg car in 7.7s if the car is traveling at 83km/h ?
asked on February 15, 2015 
social studies
unscramble ARTIOTINM
asked on November 1, 2011 
business project management
what is a good website where I can go and a sample of a short proposal for a business project? http://sbinformation.about.com/cs/bizlettersamples/a/proposal.htm
asked on June 6, 2007 
Elementry Statistics
The census figures show that the average income for a family in a rural region is approximately $34,860 per year. A random sample has a mean income of $33,566 per year, with a standard deviation of $1,245. At a sig. level of .0.01 is there enough evidence
asked on September 14, 2014 
Entrepreneurship
You belong to a small business owner networking group. The main purpose of the group is to share leads, but occasionally, you discuss global issues. In addition, the group has an online discussion forum. Inc. magazine claims, "Entrepreneurship is more
asked on August 27, 2008 
physics
Suppose a car is traveling at +20.7 m/s, and the driver sees a traffic light turn red. After 0.314 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured
asked on June 18, 2013 
History
What did Robespierre mean when he stated "Pity is treason" ?
asked on November 17, 2009 
project management
Briefly describe the first five points of the project scope checklist in relation to your project what are the project objective? List the diliverables Identify the Milestones of the project List the technical requirements what are the limits and
asked on June 15, 2007 
biochemistry
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid, 0.5 L of 1.0 M sodium acetate and then adding 8 g of solid NaOH (MW = 40.0 g/mole).
asked on January 17, 2013 
college algerbra
Find the Slope and YIntersection of a Line that has the following equation. 3Y = 2X  8
asked on April 16, 2009 
Math/trig
Solve the equation in the given Domain: 1cos theta/ sin theta = sqr3, 0degrees
asked on November 13, 2011 
Astronomy
The hottest stars have surface temperatures of about 40,000 K. At what wavelength do they emit the most radiation? 7.2 x 10E6 cm 2.5 x 10E4 cm 4.0 x 10E2 cm 1.2 x 10E2 cm 1.4 x 10E6 cm
asked on October 4, 2010 
Astronomy
A photon of which color of light carries the least energy. Red Yellow Green Blue All photons have the same energy.
asked on September 21, 2010 
Astronomy
Imagine that the Earth's axis were tilted parallel to the ecliptic plan like that of the planet Uranus. Describe how the seasons would be different in this scenario than what we currently experience.
asked on September 2, 2010 
finance
Sony $4.50 preferred is selling for $65.50. The preferred dividend is non growing. What is the required return on Sony preferred stock?
asked on May 3, 2010 
internationa business
I need to know where can I find information about nike organization. Are Nike production facilites centralized or edcentralized?, Does Nike standardize products or adapt them for different markets?, Thank you for using the Jiskha Homework Help Forum. Here
asked on January 30, 2007 
Math
Ratio 132 to89
asked on August 24, 2018 
economics
Prepare a two to threepage analysis by answering the questions below. Be sure to cite your references using APA format. What is nominal GDP? What is real GDP? What is included in each? Why are these measures important? What do they tell us? What was GDP
asked on October 14, 2012 
accounting
compute the working capital, current ratio, and quick ratio after each transaction for boole company
asked on February 20, 2012 
art
Artistic in the Baroque, Rococo, Neoclassicism, and Romanticism eras: with social conditions Since this is not my area of expertise, I searched Google under the key words "artistic Baroque 'social conditions'" to get these possible sources: (Broken Link
asked on January 25, 2007 
Optimization
min 2x+y subject to: x+y+z=1 and y^2+z^2=4 Any help would greatly be apprecaited. y^2+z^2=4 > put y = 2 cos(theta) and z = 2 sin(theta) x+y+z=1 > x = 12(cos(theta) + sin(theta)) 2x + y = 2  2 cos(theta)  4 sin(theta) It's not difficult to find
asked on December 7, 2006 
Algebra
Solve. x+2/8 + 1 = 4x/2
asked on June 2, 2015 
chemistry
Besides actin and myosin, what is another example of a Contractile Protein? If you could tell me about its function too, that would help too. Thanks
asked on March 28, 2011 
Int'l business
how a totalitarian regime would impact a corporation's ethics, or would it?
asked on August 26, 2008 
Project Management
I need a shor proposal for a business project of any kind Try this site for guidelines. http://www.captureplanning.com/!hc_how_to_write_a_proposal.cfm?
asked on February 16, 2007 
Matrix
How do you solve for this matrix. X*X^t=0? What matrix times its tranpose is zero? If we use the usual notation: A_{i,j} for the element at the ith row and jth column then, if we put: A = X X^(T) > A_{i,j} = X_{i,k}[X^(T)]_{k,j} = X_{i,k}X_{j,k} here
asked on December 7, 2006 
Wilson
How do i write a profit of $40 as an integer
asked on September 15, 2016 
Algebra
If the study had included these data, would this change the model relating average body weight and average pulse rate. Avg Body WeightAvg Pulse Rate cat1250 dog2.5265
asked on April 7, 2016 
International business
what are china's terms of trade
asked on January 23, 2007 
international business
Your organization is considering investion the philippines and you have been asked to give a presentation on this opportunity. In the presentation, you need to address the following: Investigate the economey of the philippiness and its neighbor, In what
asked on January 18, 2007 
Math
20(B 15) FOR B = 19
asked on July 18, 2015 
algebra 2
what is the answer of 1(x6)(x+8)
asked on March 21, 2013 
organic chemistry
Looking at a diagram of cortisone, where are all the stereocenters? I know there are 6 of them, I just don't know where they are in the structure. Sorry I can't provide a diagram, but I'm sure they can be found online.
asked on February 7, 2011 
Astronomy
How would I compare the orbital period of two stars knowing their distance apart in AU and their solar masses?
asked on October 19, 2010 
Int'l Business
Small companies typically have difficulty competing against large multinationals when their governments take part in regional trade blocs. What could governments do to help their small companies compete after the formation of such blocs? Could I get help
asked on September 10, 2008 
project menagement
Put together a proposal for the customer that includes the following: Briefly describe the first five points of the project scope checklist in relation to the project: what are the project objectives:? list the deliverables. identify the milestones of the
asked on April 8, 2007 
Science
Assuming a warm front is moving into the area, there is a stignant (non moving) cold air mass around New York, what type of precipitation might be expect? How long might it last?
asked on May 27, 2015 
Astronomy
Do people wear seatbelts to protect themselves from speed or acceleration?
asked on September 14, 2010

PreCalc
Answer is actually 1.04257
posted on March 26, 2018 
algebra
8/3
posted on March 11, 2017 
Physics
help???
posted on June 14, 2016 
english
Which of the following is Not critical when developing questions for the interview
posted on May 11, 2016 
Algebra
Is the answer 82.5 or 91 percent?
posted on April 7, 2016 
Algebra
HELP !!
posted on April 7, 2016 
Algebraic expression
nine more than the product of 18 and jose's score
posted on November 16, 2015 
programming
Wow, I have this assignment too and I can't seem to crack it either. PLEASE HELP! :(
posted on September 21, 2014 
english
You need to capitalize John Grisham as it is a NAME of a person. Next you must capitalize "The Street Lawyer" because it is the NAME of a book
posted on April 24, 2013 
algebra 2
what is the answer of 1(x6)(x+8) as a polynomial in descending order
posted on March 21, 2013 
organic chemistry
Well I found the answer finally. They were where all the bold and dashed wedges were on the structure.
posted on February 7, 2011 
check math question
actually that's wrong.. that will give you a reflection in the xaxis if you want a reflection in the yaxis you have to make the x in the exponent negitive. i believe the answer is y=5*2^((x)2)5
posted on November 29, 2010 
statistics
now i don't know what to do frrom there
posted on September 20, 2010 
college algebra
1. The Safety Director of Honda USA took samples at random from the file of minor accidents and classified them according to the time the accident took place. The sample data is as follows: 8am to 9am 6 accidents 9am to 10 am 6 accidents 10am to 11 am 20
posted on May 2, 2010 
chemistry
thank you very much
posted on November 10, 2008 
chemistry
The molar mass of Na is 22.99g The density of solid sodium is 0.97g/cm^3 (22.99g/mol) / (0.97g/cm^3) = _____________ What are the units of the above value
posted on November 10, 2008