Sandi
Most popular questions and responses by Sandi
Physics
A father pushes horizontally on his daughter's sled to move it up a snowy incline, as illustrated in the figure, with h = 3.9 m and θ = 11°. The total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners
asked on December 4, 2010 
Science
which of the following body systems does not rely on the autonomic nerve system to stimulate involuntary events?
asked on April 25, 2014 
math 20 system of equations
I have been solving system of equations graphically and using addition and subtraction and now I'm being asked: Give any linear system of two equation that has a solution of (3,5). Does it have to be in y=mx+b form and if so how do I do it? I've been
asked on October 12, 2010 
math 116
Solve for g A=gq This makes no sense to me please help! Thanks!!
asked on March 22, 2009 
English
I need to identify the gerund or gerund phrase and identify it as a subject, a predicate noun, a direct object, or an object of a preposition. Or identify the sentence as one with no gerund. I need help with the following sentences. 1. It was time for
asked on October 24, 2010 
philosophy
Describe the historical developments of both traditional and modern ethics. What is the connection between the two developments?
asked on April 4, 2009 
Physics
During an acceleration, the angular speed of an engine increases from 900 rpm to 2800 rpm in 4.5 s. What is the average angular acceleration of the engine?
asked on December 4, 2010 
Physics
In a simulated headon crash test, a car impacts a wall at 25 mi/h (40 km/h) and comes abruptly to rest. A 120 lb passenger dummy (with a mass of 55 kg), without a seat belt, is stopped by an air bag, which exerts a force on the dummy of 3000 lb. How long
asked on November 24, 2010 
Medical Insurance
I am having a difficult time finding a resource to site for why it is necessary to have both federal and state worker's compensation plans.
asked on March 5, 2009 
math
Suppose that 16 inches of wire costs 64 cents. At the same rate, how many inches of wire can be bought for 48 cents?
asked on April 10, 2014 
Algebra
A motorboat can maintain a constant speed of 26 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 17 minutes. What is the speed of the river current?
asked on September 8, 2012 
Physics
A m = 1.4 kg object moving at v = 15 m/s collides with a stationary 2.0 kg object. If the collision is perfectly inelastic, how far along the inclined plane (37degrees) will the combined system travel? Neglect friction.
asked on December 11, 2010 
math 20 (finance)
Can someone walk me through how I would enter this into the calculator TMV solver. Can it be done? Jeremy has a balance owing of $4000 on his credit card. The creditcard company charges 18.0% annual interest, compounded monthly. 1.) If Jeremy makes
asked on October 18, 2010 
Chemistry Please help
Compare the chemical composition of biofuel and biogas to carbon dioxide which is the product of complete oxidation of glucose? Any help is greatly appreciated.
asked on August 3, 2010 
Physics
For a scene in a movie, a stunt driver drives a 1.90 103 kg pickup truck with a length of 4.09 m around a circular curve with a radius of curvature of 0.333 km (Fig. 7.29). The truck is to curve off the road, jump across a gully 10.0 m wide, and land on
asked on December 6, 2010 
social studies
I need to unscramble lulab used by sumerians
asked on November 18, 2010 
college physcial science
an 8 kg ball rolling at 2m/s bumps into a pillow and stops in 0.5s. Show that the force exerted by the pillow is 32N. How mych force does the ball exert on the pillow?
asked on September 18, 2009 
Physics
A 14000 N automobile travels at a speed of 50 km/h northward along a street, and a 7500 N sports car travels at a speed of 62 km/h eastward along an intersecting street. (a) If neither driver brakes and the cars collide at the intersection and lock
asked on November 24, 2010 
math 20 please check
Jacob is 25 yrs old and hopes to retire by 55. He invests $22,000 in an RRSP that earns a rate of 9.7% per annum, compounded quarterly. What will his investment be at age 55? A=P(1+i)^n 2200(1+.097/4)^120 =$390067 to get the 120 I did 5525=30 then * by 4
asked on October 2, 2010 
Math
If someone takes out a Reverse Mortgage of $200,000 at 6.8% Interest how much will they owe in five years time and ten years time
asked on February 16, 2015 
Stitistics
An oil change company advertises that they can change the oil in your car in 15 minutes. Based on the data collected below, what is the probability that oil change will take more than 15 minutes? Using this example as a template, post a similar example
asked on July 9, 2013 
algebra
a single ball is drawn from an urn containing 4 balls numbered 1 through 4. find the probability that the ball chosen is as follows: an even numbered ball or an odd numbered ball
asked on July 5, 2013 
Algebra
Maria bicycles 6km/h faster than Praedup. In the same time it takes Praedup to bicycle 54km, Maria can bicycle 72km. How fast does each bicyclist travel?
asked on March 2, 2013 
NEED HELP!! ALGEBRA
A motorboat can maintain a constant speed of 26 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 35 minutes; the return trip takes 17 minutes. What is the speed of the river current?
asked on September 9, 2012 
English
For the poem below named the new colussus i have to define what the new world is being portrayed as but i don't understand it, if someone can help me please : Is anyone familiar with the poem the new colossus : The New Colossus Not like the brazen giant of
asked on January 11, 2012 
HUM/176
in my assignment it asks me to compare and contrast information in the news stories as well as how they are presented. It also asks to answer the following questions, what links are included and how does the commentary associated with the stories and
asked on March 6, 2011 
math 20 (finance)Please help
At the end of each month, Jacob puts $400 into an account that pays 6%, compounded semiannually. Use your graphing calculator to determine how much Jacob will have after 25 years? Show how you obtained your answer by filling in the following as if it was
asked on November 15, 2010 
Math 20(interest rates)
Determine the amount of interest charged on a loan of $5000 at 6.75% per annum, compounded semiannually for 3 years.
asked on October 2, 2010 
child care
a childs development is affected most by? I am not an expert, there are some of those around. The following is based on my experinece as a teacher and parent: 1) Genetics 2) Early childhood nuturing (touching, stimulation, holding, talking to, etc) 3)
asked on September 15, 2006 
algebra
Two commons sources of nicotine are cigarettes and cigars. Find the probability that a randomly selected adult does not smoke cigarettes.
asked on July 5, 2013 
math inequalities please check
A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The lenght must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60
asked on October 25, 2010 
Econ
You are a team working for an economic consulting firm; your client is “The New Delmonico Steakhouse,” a highend steak place with four restaurants in Manhattan. Your client is considering opening a single restaurant in Chicago (in the Loop), and wants
asked on May 15, 2008 
Math
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asked on January 8, 2008 
math
Where K is a constant to be determined. If it took Ian 45 minutes to exit the stadium when there were 5,000 people who drove and 1,500 people who took public transportation, how much time will it take Ian to exit if there are 12,500 people who drove and
asked on May 27, 2014 
math
i am trying to figure out how much in interest would u have paid out on 18,000$ if u paid it out over five yrs at 11%
asked on August 6, 2012 
human development 11th edition
Why is there a brief mention of religion in the life of elderly facing death? Is it bias?
asked on December 6, 2010 
math Please check
Write an equation for a parabola with vertex(2,4) and passing through (1,8)? y=a(x+2)^2+4 8=a(1)+4 4=a
asked on October 24, 2010 
math 20
Jeremy has a balance owing of $4000 on his credit card. The creditcard company charges 18.0% annual interest, compounded monthly. 1.) If Jeremy makes payments of $300 every month, how much will he still owe after making 12 payments? 2.)Determine the
asked on October 17, 2010 
accounting
Cournot Company sells 100,000 wrenches for $12 a unit. Fixed costs are $300,000, and net income is $200,000. What should be reported as variable expenses in the CVP income statement?
asked on July 24, 2009 
Math
$2,035.50 X 12.45 How would this be multiplied?
asked on December 19, 2017 
Math
If it takes 22 seconds on average to clean one product how many minutes will it take to clean 1000 ?
asked on August 9, 2017 
math
Where K is a constant to be determined. If it took Ian 45 minutes to exit the stadium when there were 5,000 people who drove and 1,500 people who took public transportation, how much time will it take Ian to exit if there are 12,500 people who drove and
asked on May 27, 2014 
MathPLEASE HELP!!
I have two questions That I need help with please!! 1. solve the following exponential equation. what is the exact solution? what is the decimal approximation when rounded three decimal places? 2.
asked on January 9, 2013 
chemistry
How long would it take to melt a 400 lb.block of ive at a temperature of 55 degrees
asked on September 24, 2012 
English
Need help in describing the new worlld, what is it being portrayed as in this poem please thank you Not like the brazen giant of Greek fame, With conquering limbs astride from land to land; Here at our seawashed, sunset gates shall stand A mighty woman
asked on January 12, 2012 
human development 11 edition
Menopausal syndrome may be related to personal characteristics or past experiences?
asked on December 6, 2010 
math11Plelase check
Hi I need to write these systems of equalities in slope intercept form so I can graph them. 20x+4.5y
asked on November 22, 2010 
math inequalities please check
A landscape designer has to design a rectangular pad of concrete at the centre of a rock garden. The length must be less than or equal to twice the width; the perimeter must be less than or equal to 40 m; and the area must be greater than or equal to 60
asked on October 25, 2010 
Math
what is 837 divided by f=31?
asked on October 18, 2010 
Financial Management
I need to know how to find the fixed cost and the variable cost along with the break even point using this information. During the sixth month of the fiscal year, the program director of the Westchester HomeDelivered Meals (WHDM) program decides to again
asked on August 16, 2010 
his
how Reagan’s policies reflected conservative politics and contributed to stimulation of the economy.
asked on April 15, 2009 
chem.
it's value for gold is 19 grams per cubic centimeter
asked on October 29, 2008 
Math  Geometry
In a quadrilateral, how do I find the measure of angle AHM that is 3x+5 and another angle TMH is 7x27?
asked on September 10, 2008 
Math
If the base of an isosceles triangle is decreased by 40% and its height is increased by 10%, then what is the percent change in the area of the triangle?
asked on January 8, 2008

Statistics
A. The arithmetic mean sometimes have two values
posted on February 23, 2015 
Physics
9 9 4.5
posted on December 11, 2013 
Medical Billing & Coding
Well, the first answer is wrong. The answer should have been a combination of two of the given choices.
posted on September 26, 2013 
science
Mycocardial Ischemia (decreased blood supply to the heart) Penn Foster students: page 30, last paragraph (dont cheat)
posted on December 31, 2012 
9th grade
it is the bouyantgirlant.
posted on September 7, 2011 
Accounting
Investment X: You need $200 more to recoup your initial investment of $4000, which you can get from the third year cash flow of $3700. You only need the prorata amount, which will be $200/$3700 = 0.054 year Pay back period for X = 2.054 years Investment
posted on April 2, 2011 
Physics
where are you getting 6kg from?
posted on December 11, 2010 
history
how Reagan’s policies reflected conservative politics and contributed to stimulation of the economy.
posted on April 15, 2009 
physical education
not according to the olympic website
posted on March 5, 2009 
science
Pockmarks Numerous circular to oblate depressions are concentrated in a roughly 8.6km² area north of the Clumps moraine off the western tip of Fishers Island. The depressions are typically 56 m in diameter and extend about 0.20.3 m below the
posted on March 5, 2009 
Medical Insurance
Thank You
posted on March 5, 2009 
science.
kettle lake A lake formed in a kettle hole. kettle hole (plural kettle holes) (geology) A depression in the ground occurring as the result of a large block of ice getting buried by glacial outwash and subsequent melting of it.
posted on March 5, 2009