Tiff
Most popular questions and responses by Tiff
chemistry
The boiling point of another member of this homologous series was found to be 309 K \rm K. What is the likely molecular formula for this compound?
asked on April 28, 2014 
math
the system of linear equations below has a unique solution for all but one value of a: 6 x−12 y=−6 58 x+a y=−58 What is this exceptional value for a?
asked on October 26, 2010 
Math
A football team lost nine yards during a play. The team had a combined gain or loss of 0 yards after the next play. What integer represents the yards gained or lost on the next play?
asked on August 22, 2018 
Calculus
Which of the following integrals cannot be evaluated using a simple substitution? the integral of 1 divided by the quantity x squared plus 1, dx the integral of 1 divided by the quantity x squared plus 1, dx the integral of x divided by the quantity x
asked on March 15, 2016 
math
Assume that the business makes a profit with probability 0.3 in the first year. For each year thereafter, the business makes a profit with probability 0.7 if it made a profit in the previous year, and with probability 0.2 if it did not make a profit in the
asked on October 4, 2010 
Health
1. What have tobacco companies done in recent years to improve the health of American Youth? (1 point) A. Created more kidfriendly cartoon advertisements for tobacco B. Helped pay for antismoking education C. Limited tobacco advertisement to websites
asked on March 9, 2018 
Calculus
If f(x) and g(x) are continuous on [a, b], which one of the following statements is true? ~the integral from a to b of the difference of f of x and g of x, dx equals the integral from a to b of f of x, dx minus the integral from a to b of g of x dx ~the
asked on March 15, 2016 
physics
The red box has a mass of 20.1 kg and the blue box has a mass of 14.5 kg and the force is 290 N. To the nearest tenth of a m/s2 what is the acceleration of the combination? The diagram looks like this: F > [Red Box][Blue Box] On a straight plane, not on
asked on November 2, 2014 
Calculus
A rectangle is constructed with its base on the diameter of a semicircle with radius 5 cm and with two vertices on the semicircle. What are the dimensions of the rectangle with maximum area?
asked on November 7, 2010 
statistics
Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:
asked on September 29, 2010 
Microeconomics
Indicate how you think each of the following would shift demand in the indicated market: a.Incomes of buyers in the market for Adirondack vacations increase. b.Buyers in the market for pizza read a study linking hamburgers consumptions to heart disease.
asked on October 21, 2007 
math
The amount of sales tax charged is proportional to the value of the item bought. If the tax on a $110.00 item is $8.50, what is the tax on a $150.00 item? It will be (150/110) x $8.50 150/110*8.50=11.59 $11.59 is your answer
asked on June 22, 2007 
calculating & reporting healthcare statistics
an employee currently earning $10.85 per hour has been awarded a 3.5 percent merit raise. What will the employee's hourly salary be with this increase?
asked on October 7, 2012 
statistics
Assume that each bag contains 6 balls. Bag a contains 3 red and 3 white, while bag b contains 2 red, 2 white, and 2 blue. You randomly select one ball from bag a, note the color, and place the ball in bag b. You then select a ball from bag b at random and
asked on October 4, 2010 
chemistry
0.4276g sample of a potassium hydroxide – lithium hydroxide mixture requires 31.20 mL of 0.3315 M HCl for its titration to the equivalence point. What is the mass percent lithium hydroxide in this mixture? 1.) 0.03120 L x 0.3315= 0.010343 moles HCl I'm
asked on April 15, 2016 
history
9. What three events proved that Theodore Roosevelt spoke softly but carried a big stick? Check this site. http://en.wikipedia.org/wiki/Big_stick_diplomacy
asked on May 11, 2007 
history
What was Wilson’s slogan for entering World War I? Why was his slogan invalid at the time? What happened later in Russia, which provided how invalid was his slogan?
asked on May 11, 2007 
math
If she made the last free throw, then her probability of making the next one is 0.9. On the other hand, If she missed the last free throw, then her probability of making the next one is 0.5. Find the longrun freethrow shooting probabilities for this
asked on December 6, 2010 
Health
@Ms.sue I need your help please You have been having trouble breathing so you go to the doctor to check it out. What important question might he ask you to determine if you have been taking good care of your respiratory system? A. "Do you bathe regularly?"
asked on March 8, 2018 
Religion
1. What three actions we are commanded to do by the seventh commandment? from http://www.vatican.va/archive/catechism/p3s2c2a7.htm "THE SEVENTH COMMANDMENT You shall not steal. The seventh commandment forbids unjustly taking or keeping the goods of one's
asked on May 7, 2007 
Chem
Could someone explain to me how to prepare (a) zinc chloride by an acidbase reaction and (b) by a gas formation reaction. If the starting materials available are ZnCO3, HCL, CL2, HNO3, NaCL, Zn(NO3)2, and Zn. Thanks so much for any info.
asked on December 2, 2008 
math
Assume that your sample space is S = {O1, O2, O3, O4, O5, O6 } with associated weights (probabilities) w1 = 0.15, w2 = 0.25, w3 = 0.10, w4 = 0.20, w5 = 0.15, and w6 = 0.15. Determine the probability of the following events: {O3 }∩{O5 }:
asked on September 29, 2010 
math
What do all these letters B,D,E,F,H,K,L,M,N,P,R have in common that none of the other in the english alphabet has?
asked on October 4, 2008 
finance help
You have decided to buy a car that costs $34,100. The dealer offers you a 5year loan with monthly payments of $695 per month. What is the annual nominal interest rate on the loan?
asked on October 22, 2009 
Math
Pool tables are rectangular, and their length is twice the width. Find the dimensions of a pool table if it occupies 162 ft2 of floor space
asked on September 28, 2012 
physics
A 16kg stone falls 40m. Find the stone's kinetic energy just before it strikes the ground.
asked on January 22, 2012 
math
Hello I need help with scientific notation please 0.00000586
asked on November 24, 2010 
World history
how did human life change when the ice age ended?
asked on May 21, 2009 
Math
A catcher's and a pitcher's uniform numbers are consecutive integers whose product is 756. If the catcher's was the smaller number, determine the uniform number of each player.
asked on September 28, 2012 
finance
Today, Mark invested $5,000 into an account that guarantees 7.50% p.a., compounded monthly and Madonna invested $5,000 into account guaranteeing 8.125% p.a., compounded quarterly. How long will it take (in years) for the value of Madonna's investment to be
asked on October 25, 2009 
Physics
On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? 100N* cos30 (100sin30+mg)(.1)= m*acceleration [86.6025 [(50 +
asked on August 24, 2006 
math
Mary hits 60% of her free throw shots in yesterdays game. If Mary takes 7 free throw shots in yesterdays game, what is: A. The probability she scores 5 of those shots? B. The probability she scores none of the shots? C. Her average number of hits, or shots
asked on October 28, 2013 
finance
Today, Mark invested $5,000 into an account that guarantees 7.50% p.a., compounded monthly and Madonna invested $5,000 into account guaranteeing 8.125% p.a., compounded quarterly. How long will it take (in years) for the value of Madonna's investment to be
asked on October 23, 2009 
Algebra
It's been so long since I've donw combinations, and now I have a question about them in my algebra homework packet. Question is....Marcie has a collection of 9 DVDS. She will choose 4 of them to take in the car to watch during a long trip. How many
asked on June 12, 2009 
legal and ethical issues
select a current or proposed law that impacts the delivery of human services what reliable resources are availiable to learn about the implications of this law? What is the purpose or rationale of the law? How will the law effect datday operations within
asked on June 2, 2008 
earth science
22. an illustration of the fact that a sudden and great _____ struck the earth is the millions fo mammoths and other large animals frozen instantly and preserved, whole and undamaged. catastrophe cold front ice age permafrost ice age right This also makes
asked on April 4, 2007 
Physics
On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? Net force= mass*acceleration Horizontal force frictionalforce =
asked on August 21, 2006 
linear equations
Han's age decreased by 19 is 70 Translate this into an equation
asked on February 28, 2018 
algebra
joe counted a total of 40 whites and yellow cars. there are 9 times white cars as yellow cars. how many white cars did joe counted
asked on September 4, 2014 
POL 201
Q:An independent regulatory authority, like the Federal Reserve Board. A)is subject to legislative oversight. B)operates independently of both the President and Congress. C)takes orders from the President. D)engages in partisan politics Q:A clientelist is
asked on May 20, 2014 
Math
The length of the luff is four times longer than the length of the foot of the sail. Find the length of the foot and the length of the luff.
asked on September 28, 2012 
physics
Suppose that you have a circle with a radius of 4.02 ± 0.39 m, what is the calculated uncertainty in the area?
asked on February 2, 2011 
english
In emphasizing the importance of individual thinking and basing one's beliefs on one's own experiences, Sojourner shows she has much in common with
asked on November 11, 2009 
prealgebra
if the scale is 3 in. = 50 mi. what is the actual distance if the line segment was 6 in.
asked on February 21, 2012 
History
Which of the following words best describes the climate of New Zealand..a) tropical b) temperate c)arid d)artic
asked on February 16, 2012 
science
Why doesn't the sand from california beaches' result in froth and bubbles when you pour vinegar on it?
asked on January 17, 2011 
math
Please and this one 234,000,000 it scientific notation
asked on November 24, 2010 
HCR 230
Write a 350 to 700word response that familiarizes you with private payer plans and CDHP account types
asked on May 2, 2010 
College Essay
Are there any grammar errors or any other errors I should fix? And is there anything I should edit? Also are my paragraphs organized correctly? The smell of exhaust combined with dirt and dust fluttering in the air from multiple cars is my first encounter
asked on November 26, 2006 
US history
Explain what a precedent is. Identify three precedents to the United States Constitution.
asked on September 12, 2018 
economics
quantity total cost what's the marginal cost? 0 8 2 9 4 10 6 11 8 13 10 19 12 27 14 37
asked on March 15, 2013 
chemistry
What is the concentration of a standard solution?  It was prepare to 250mL, it contained 9.7563g (O.lM) of (NH4) and 3mL of sulphuric acid.
asked on September 20, 2011 
physics
Suppose you have a circle with a radius of 6.43 ± 0.09 m, what is the average area of the circle?
asked on February 2, 2011 
math
2(5+2)3(34)5
asked on October 1, 2010 
math
THe perimeter of a rectangle is 166 inches. The length exceeds the width by 23 inches. Find the lenght and the width
asked on July 30, 2010 
finance
You have decided to buy a car that costs $34,100. The dealer offers you a 5year loan with monthly payments of $695 per month. What is the annual nominal interest rate on the loan?
asked on October 23, 2009 
accounting help
IN 2008, Variman, Incorportated had Gross Accounts receivable of $2,366,420 and management estimated the Allowance for Doubtful accounts to be $243,520. Compute the ratio of Allowance of Doubtful accounts to Net Accounts receivable for Variman, Inc. for
asked on September 3, 2009 
Bio
describe the general body form of a fungus when growing and at time of sexual reproduction...
asked on October 15, 2008 
college
The annual rainfall in California’s north valley averages twentythree inches. So the rainfall next year will be twentythree inches
asked on September 2, 2008 
earth science
what is the most common sedimentary rock? Since this is not my area of expertise, I searched Google under the key words "sedimentary rock common" to get these possible sources:
asked on April 4, 2007 
earth science
24. emormous masses of ____ rock all over the world, such as the Columbia Plateau in the northwestern U.S., give evidence of some huge catastrophic action. granite mountainous sedimentary volcanic volcanic right? Yup.... absolutely
asked on April 4, 2007 
earth science
21. Billions of fossils of plants, fishes, and land animals, many almost perfectly preserved, could not have been buried by natural _______ observable in the world today. DEATHS DISEASES EVELOUTION PROCESSES processes right? That makes good sense to me.
asked on April 4, 2007 
Physics
On a mass of 100 kg, a force of 120 N acts right and at an angle of 30 degrees to the horizontal. If the coefficient of sliding friction is .1 what is the acceleration of the mass? 100N* cos30 (100sin30+mg)(.1)= m*acceleration does "m*acceleration mean
asked on August 23, 2006 
science
What isthe missing word?The Heart has some  tissue in it.
asked on September 19, 2008 
computer
a routine that puts a series of strings or numbers in order is called a ________
asked on May 3, 2007 
Math
Speed of an airplane and time it takes the plane to complete a 500mile trip
asked on May 14, 2017 
Math (Number Theory)
the following two lines indicate another way to derive the formula for the sum of the first n integers by rearranging the terms in the sum. Fill in the details. 1+2+3+...+n=(1+n)+(2+(n1))+(3+(n2))+... =(1+n)+(1+n)+(1+n)+...
asked on April 21, 2014 
Physics Lab
Collision derivation problem. A car is released from rest on a frictionless inclined plane. Assume h/L is approximately equal to y/x. equations. If the car has a mass of 0.2 kg, the ratio of height to width of the ramp is 11/110, the initial displacement
asked on July 20, 2013 
medical coding and billing
i just strated school and one of the assignments is to file an appeal for a doctor stating that he wants more money then the insurance company paid him and i have no idea on how to even start this letter can some one help me please?
asked on January 2, 2010 
math
A stamp collection consists of 3, 8, and 15 cent stamps. The number of 8 cent stamps is one less than triple the number of 3 cent stamps. The number of 15 cent stamps is six less than the number of 8 cent stamps. The total value of all the stamps is $2.47.
asked on September 7, 2008 
science reading scales
how to you find the samllest division when reading a scale
asked on September 10, 2007 
computer
a routine that accepts one or more arguments and returns a single result is called a _______
asked on May 3, 2007 
earth science
what class of minerals contains the element oxygen bonded to a metallic element http://en.wikipedia.org/wiki/Iron_oxide
asked on April 4, 2007 
College Essay
I edited it from your suggestions is there anything else I could change or add? The smell of exhaust from multiple cars combined with dirt and dust fluttering in the air is my lasting impression of Canton, China. The vivid image frequently reminds me of
asked on November 26, 2006 
US history
Choose one of the amendments in the passage and identify its precedent.
asked on September 12, 2018 
integration
sqrt2 times e^t times t^(1/2) dt bounded between 0 and 1. i tried integration by parts.. but it keeps repeating.. please help. thank you!
asked on August 27, 2009 
religion
i need to write an essay on mass as a sacrafice. i need help on sacrifice in natural religion, the Old Testament beckround to sacrafice, and the relationship of the mass to sacrafice and calvary PLEASE HELP! Since this is not my area of expertise, I
asked on May 7, 2007 
religion
2. What four actions besides stealing are forbidden by the seventh commandment? See my response below.
asked on May 7, 2007 
Visual Basic
a routine that puts a series of strings or numbers in order is called a ________
asked on May 3, 2007 
computer
Notes in a program which explains what the program is doing are called ______
asked on May 3, 2007 
Visual Basic
If you wanted your program to respond to an event every 5 seconds, you would use the ________control. timer having problems getting the name from my txtName box to show up on my lblmessage box. I am working on a simple program that one types there name at
asked on May 3, 2007 
english
research plan, what does it mean  birth control why do you think this research question is appropriate for a research paper birth control
asked on September 18, 2012 
Visual Basic
Notes in a program which explains what the program is doing are called ______ Comments?
asked on May 3, 2007 
Visual Basic
a routine that accepts one or more arguments and returns a single result is called a _______
asked on May 3, 2007

US history
What about this? Precedent means "a decision that can be legally used due to the current situation" For example, in the US constitution: 1) "The Ratification of the Conventions of 9 states, shall be sufficient for the Establishment of this Constitution
posted on September 12, 2018 
US history
What about ratifying the constitution?
posted on September 12, 2018 
US history
The bill of rights
posted on September 12, 2018 
US history
I figured out what a precedent is after I posted this question, but I can't figure out any for the US constitution.
posted on September 12, 2018 
Health
@Connections student 2 OMG THANK YOU SO MUCH
posted on March 9, 2018 
Health
@Renne :) Are you sure? This is unit test and if i get any answers wrong I have to do it over again..
posted on March 8, 2018 
Health
@Ms.sue help please
posted on March 8, 2018 
math
8 and 1/3 sec
posted on December 5, 2017 
Health
actually mrs.sue is right shes the teacher here yall are not you are in 6th grade mrs.sue already graduated. SHE S RIGHT NOT YALL
posted on December 4, 2017 
Probabilty & Statistic
mean 100 standard deviation 20 population 1000
posted on January 27, 2017 
physics
7.2, 16, and 29
posted on September 18, 2016 
Math
Actually Reiny was right, it is 56 I just typed it in and it's correct
posted on February 18, 2016 
chemistry 101
3.45 mol x 5 mol O/1 mol P2O5= 17.3 mol of Oxygen
posted on February 17, 2016 
history
Tariff Protection
posted on October 12, 2015 
Chemistry
Anyone got a good explanation for this question.
posted on May 5, 2015