Wednesday
September 2, 2015

Posts by Debbie


Total # Posts: 552

CHEMISTRY
TALKING ABOUT EXTRACTING DNA eXPERIMENT: MASH FRUIT UP WITH COLD ISOPROPYL ALCOHOL, SALT, WATER, AND DETERGENT THEN EXTRACT DNA USING A WOODEN SPLINT. WHEN EXTRACTING DNA FROM STRAWBERRIES WHY CAN WE NOT SEE IT IN MASHED UP STRAWBERRIES BUT YOU CAN SEE IT ON A WOODEN SPLINT? ...
April 6, 2010

Statistics
If two dice are rolled, what is the probability that the sum of the numbers is at least 8?
April 5, 2010

Statistics 107
If two dice are rolled simultaneously, what is the probability that the number is the same on both dice?
April 4, 2010

english
How can I write a 8-12 paragraph essay describing the duties of a woman assisting her boss in a company doing everyday activities.I am having trouble gettig started. This is ficticious for a class I am taking. HELP!!!!!Can you get me started?
April 3, 2010

Statistics
If three employees were randomly selected, what is the probability that all three are male?
April 2, 2010

microeconomic
percent change in quantity demanded/percent change in price= (20-35)/35/(3.5-3)/3.5 = -15/35/0.5/3.5= -demand is elastic becausenit is less than -1
March 27, 2010

Math
What is the mass of a half dollar in kilograms?
March 24, 2010

chemistry
final mass initial mass CO2 mass (1.) 84.755 minus 85.672 = .917 (2) 84.733 minus 85.684 = .951 (3) 84.757 minus 85.707 = .95 what is maximum volume of vinigar that can be neutralized by one alka seltzer tablet and explain? Not sure how to get this answer....HELP!
March 22, 2010

CHEMISTRY
I have two: 1. why can you not find the mass of a beaker, water, vinegar and alka seltzer in one step rather than recording alka seltzer by itself? 2. what is maximum volume of vinegar that can be neutralized by one alka seltzer tablet and explain answer?
March 21, 2010

english
Is this a good thesis statement
March 18, 2010

english
Despite high-tech special effects of today's violent horror movies it does not create the emotional impact it did on the classic horrors films of the early 1900s.
March 18, 2010

english
Is this a good thesis statement about horror movies. Compare today's horror film violence with the classic horror films of the earlier years.
March 18, 2010

english
need a thesis statement about horror movies
March 18, 2010

Statistics
For a distribution _ _ X = 100 and s=4. If x= X then z=? If x = 90, then z =? If z=2, then x=? If z=1.5, then x =?
March 18, 2010

college
For a distribution _ _ X = 100 and s=4. If x= X then z=? If x = 90, then z =? If z=2, then x=? If z=1.5, then x =?
March 18, 2010

math
please solve
March 17, 2010

calculus
A cold metal bar at -30 degrees Celsius is submerged in a pool maintained at a temperature of 40 degrees Celsius. Half a minute later, the temperature of the bar is 20 degrees Celsius. How long will it take the bar to attain a temperature of 30 degrees Celsius? I know that dy/...
March 14, 2010

healthcare admin
discuss the socialization process of caregivers. What are the implications for patients? What types of reform efforts are being implemented to improve caregivers’ socialization skills? In your opinion, will these reform efforts be effective? Why or why not? ...
February 27, 2010

HCA240 Health
Can someone explain what it means by health as organic and health as harmony???? If I can understand this I can get my homework done.
February 23, 2010

geometry
the measure of the shorter parallel side of b is 6in and the longer side is 8in, the height of that figure is 10in what is the area?
February 7, 2010

HCA230
List at least two pros and two cons for each of the given patient and caregiver roles.
December 8, 2009

HCA 210
U.S. Health Care Settings · Resource: Ch. 3 of Essentials of Health Information Management: Principles and Practices; Presentation Guide · Review presentation guidelines given in your Presentation Guide, located on your student Web site. · Create a ...
December 4, 2009

MATH
sorry yes the question should read x+6y=19 x-7y=-7 pls help
December 3, 2009

MATH
X+6=19 X-7Y=-7 I cant remeber how to do this but think i need to find a common denominator?
December 3, 2009

spanish
how do you tell a gardener to lock the gates so dog will not get out of yard
December 2, 2009

math
do you know place value division
November 17, 2009

Psychology
Which of the four positions of the nature of traits do you agree with most and why? Compare and contrast against one of the other four
November 13, 2009

calculus
a 80.0 kg man inside a 40.0kg dumbwaiter pulls down on the rope. at that moment the scale on which he is standing reads 200 N. Determine the elevator's acceleration.
November 9, 2009

adult education
write a paragraphy in which you use the term ratio and proportion correcty.
October 18, 2009

Adut education
The amount of gold jewelry and other products is measured in karats (K), where 24K represents pure gold. The mark 14K on a chain indicates that the ratio between the mass of the gold in the chain and the mass of the chain is 14:24 If a gold ring is marked 18K and it weighs 0.4...
October 18, 2009

adult education
A Boeing 747 jet is approximately 230 ft long and has a wingspan of 195 ft. if a scale model of the planeis about 40 cm long what is the model's windspan?
October 18, 2009

BAF 260
How do you use the spreadsheet for annuity due and ordinary annuity? I have used the spreadsheet and it wants me to round to 4 decimal places. The spreadsheet already have it rounded. I also have use the present value interest factor for a one-dollar annuity discounted i ...
October 13, 2009

BAF 260
What do I do to created a spreadsheet in excel?
October 13, 2009

english
what are the words when you unscramble them: theeabn and damou?
October 12, 2009

english
what word is damou when you unscramble it?
October 12, 2009

Math
a wheel makes 4 and 7/12 revolutions per minute. if it rotates for 45 minutes , how many revolution does it make?
October 9, 2009

College BAF 260
How do you use the spreadsheet for annuity due and ordinary annuity? I have used the spreadsheet and it wants me to round to 4 decimal places. The spreadsheet already have it rounded. I also have use the present value interest factor for a one-dollar annuity discounted i ...
October 8, 2009

excel question
is it possible to a vlookup on a entire workbook? if so how?
October 7, 2009

medicine
what will be agood thesie and introduction and coclusion for education .
October 3, 2009

Psychology
Thanks Sue, I had to do this same paper tonight and your sites helped me so much.
September 27, 2009

6th Grade Science
how long has a shield volcano lasted?
September 26, 2009

Education
will teacher reforms, such as comprehensive testing of teachers or requiring ongoing professional development, attract or intimidate individuals from joining the teaching profession? How do the reforms affect your own desire to enter the profession? Explain your answers.
September 22, 2009

algebra
Solve x+3y=12
September 20, 2009

philosphy
Thank you very much
September 17, 2009

philosphy
What is the meaning of validity, truth, and soundness as they relate to the area of logical syllogisms
September 17, 2009

Algebra
how do I solve this M/6 - 7 = 2/3
September 15, 2009

math
how do you write 28,659,134 in expanded form?
August 20, 2009

MaTH
Danielle bought a gift for a friend that originally cost $32. She used a coupon to get $5 off. what percent did she save? I tried working 32-5=27, 32divided by 27 = 1.185 ???
August 10, 2009

MaTH
a can of soda contains 40 milligrams of sodium. how many cans woild it take to concume a gram of sodium? I tried working, not sure if correct -help 40 X 0.001 = 0.04
August 10, 2009

MATH
need help with 2 word problems the instructions on a package of fertilizer say to mix 1 spoonful to 9 pints of water. How many cups would this make? How many quarts? how many gallons? In an 880 relay race, 4 runners on a team each run 880 yards. how many feet is this? how many...
August 5, 2009

sport management
what were the sources of power used in the AFL-NFL case?
August 2, 2009

MATH
a cook has 2 3/4 hours to bake muffins. each batch of muffins takes 1/2 hour to bake. how many batches can she bake? Trying to work fraction problems but need help.
June 30, 2009

MATH
a library shelf is 9 ft wide. a set of books fills 1/6 of the shelf space.each book in the set is 3/5 inch thick. how many books are in the set? I have tried working this fraction problem and I am stuck
June 30, 2009

accounting
6. Which of the following is not a processing control? A) Record counts B) Control totals C) Hash totals D) Check digits I think it should be C but am not certain. Can anyone assist?
June 23, 2009

accounting
Thank you.
June 23, 2009

accounting
Three objectives of a company's internal control system should be safeguarding assets, checking the accuracy and reliability of accounting data, and promoting operational efficiency. A fourth objective of a company's internal control system should be: 1.Preventing ...
June 23, 2009

accounting
who would need to access an accounting information system and at what level?
June 11, 2009

Math
Please help with the following: Factor completely 3x^2-5x+1
June 1, 2009

science
I have a bill like a duck, But the hair of a mammal. I lay eggs like a bird, But I nurse my young. What am I?
May 30, 2009

math
how do i factor 3y^2+y-10
March 29, 2009

math
simplify 2u^5x^5*2w^-8u^5x^5*3w^7
March 29, 2009

math
(z^-6)^5 simplify
March 29, 2009

math
how do i find the square root of 50x^10
March 29, 2009

math
so the final answer would be 4. So I needed to find out what times itself 5 times gives me 32.
March 22, 2009

math
32^2/5
March 22, 2009

math
the square root is 16,how did you get the cubed root?
March 22, 2009

math
64^2/3
March 22, 2009

math
write in scientific notation (-5*10^-8)^3
March 21, 2009

math
The period T (time in seconds for one completecycle) of a simple pendulum is related to the length L(in feet) of the pendulum by the formula8T^2=pi^2L. If achild is on a swing with a 10-foot chain, then how longdoes it take to complete one cycle of the swing?
March 18, 2009

Math
what is the difference between dependent and independent variables? Can you provide an example for me indicating which of the variables is dependent and which is independent?
March 17, 2009

math
Thank you very much for your help I think in the past you have help me it made more scense after i read your post...If you could i have an earlier post that Candice replied to if you could look at it and let me know your thougts it would be great.
March 17, 2009

math
an investment of $10,000.00 in the Emerging Country Debt fund in 2001 was worth 24,780 in 2006 money mag used the formual r=(s/p)^1/n -1 to find the 5 year average annual return. What is the return. How do I solve this
March 17, 2009

math
if I were to write and equation for this x being the study time and s being the score would this be correct 2x=s?
March 17, 2009

math
what is the difference between dependent and independent variables? Can you provide an example for me indicating which of the variables is dependent and which is independent?
March 17, 2009

math
t+1/t+5=(t-1/t+3)+1 Solve for t
March 16, 2009

math
I need to subtract and simplify 2/x^2-6x-27 -1/x^-12-27 I got so far 2/(x-9)(x+3) - 1/(x+9)(x+3) not sure what to do next...please help
March 16, 2009

math problem
thank you very much I tried this many times and was not able to solve it.
March 13, 2009

math problem
64. Commuting Students. At a well known university, ¼ of the undergraduate students commute, and 1/3 of graduate students commute. One-tenth of the undergraduate students drive more than 40 miles daily, and 1/6 of the graduate students drive more than 40 miles daily. If...
March 13, 2009

math word problem
While finding the amount of seed needed to plant his three square wheat fields, Hank observed that the side of one field was 1 kilometer longer than the side of the smallest field and that the side of the largest field was 3 kilometers longer than the smallest field. If the ...
March 10, 2009

math word problem
A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and is heading towards the same crossing. How far is the ...
March 10, 2009

math
3x^2 + bx + 2 how do i find all the integer values for b so that the trinomial can be factored.
March 10, 2009

math
x^3=4x solve for x I think i have to divid both sides by x giving x^3=4 but am not sure what I need to do next.
March 10, 2009

math
I need some help to see where I went wrong with this....pls help 2h^2-h-3=0 (2h-3)(h+1) = 0 2h^3+2h-3h-3h=0 2h^3-h-3=0 2h^2=3 h^2=3/2
March 10, 2009

math
thank you very much for all your help, you really help by showing how to solve for x rather than just tell me what to do. I have a better understanding.
March 10, 2009

math
here is what i got: (x-3)(x-3)+(x+2)(x=2=17 2x^2-2x=22 x=11 Does that seem right?
March 10, 2009

math
(x-3)^2+(x+2)^2=17 How do I solve for x?
March 10, 2009

math
x^2-36=0 how do I find what x is?
March 10, 2009

math factoring
thank you yes i was trying to figure out how to solve for w
March 9, 2009

math factoring
2w(4w+1)=1
March 9, 2009

math factoring
hi drwls this is the solution i came up with but i know its wrong could you take a look at and let me know where I went wrong 2h^3+2h-3h-3h=0 2h^3-h-3=0 2h^2=3 h^2-3/2
March 9, 2009

math factoring
2h^2-h-3=0
March 9, 2009

math
if i is square root of -1 would the anwer be than (3x+1/2y)(3x+1/2y)
March 9, 2009

math
Factor each polynomial completely, if a polynomial is prime say so 9x^2+4y^2
March 9, 2009

math
This what I go and now I am stuck. Can you please let me know what I need to do next or where I am going wrong 0=-16t2-32t+128 0=t2+2t+8
March 5, 2009

math
this is what I came up with for a) but I am unsure about it and I am not sure how to do b) S(t)=-16t2-32t+128 S(1)=-16-32+128 S=-48+128 S=80
March 5, 2009

math
no it looks like i didnt add what is is i need help with here is what I am looking for from the above question a)What is the height of the wrench after 1 sec b)how long will it take the wrench to reach the ground
March 5, 2009

math
Throwing a Wrench. An angry construction worker throws his wrench downward from a height of 128 feet with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by S(t)=-16t^2-32t+128. a) What is the height of the wrench ...
March 5, 2009

math
Can you let me know if I went wrong here A(5)=52+5(5)+6 5A=25+25+6 5A=56 A=56/5
March 4, 2009

math
Area of a Triangle. The area in square meters of a triangle is given by A(x)=x^2+5x+6 a)Find A(5) b)If the length of the triangle is x+3 then what is the base of the triangle?
March 4, 2009

math
Is this the same as PV formaula?
March 4, 2009

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