Monday
December 22, 2014

# Posts by Stacey

Total # Posts: 335

Solving Rational Equations
100mL of a solution contains 30 mL of acid; this is called a 30% acid solution because part 30 ---- = ---- = 0.30. whole 100 How many milliliters of acid x would need to be added to the solution to turn it into a 50% solution ? (HInt: Adding acid increases both the volume of ...
October 23, 2013

Algebra
Explain
September 13, 2013

Algebra
Suppose a square garden has an area represented by 9x^2 square feet. If one side is made 7 feet longer and the other side is made 2 feet shorter, then the trinomial that models the area of the larger garden is 9x^2 + 15x - 14 square feet.
September 13, 2013

Math 117b
describes h(x), the height of a part of a rollercoster track,where x is the horizontal distance in feet from the center of this section of the track. The towers that support this part of the track are the same height and are 150 feet apart .Which is the best estiamate of the ...
August 18, 2013

arithmetic
7.86x 4.6=
August 12, 2013

math
A mason's assistant's rate of pay is \$0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. What is his pay for this job? THE ANSWER IS NOT &330
June 17, 2013

Math
PLEASE HELP !!! A mason is putting in the foundation for a wall. His assistant digs a trench in roughly the shape of a rectangular solid measuring 50 ft. in length, 12 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic feet of earth did he ...
June 17, 2013

Math
A hot water heater measures 20" in diameter. What is the area of a metal base for the water heater, assuming a two-inch overhang for the base beyond the edge of the heater?
June 17, 2013

Trigonomety
Two buildings are 30 ft apart. The angle of elevation from the top of one to the top of the other is 19°. What is their difference in height?
May 16, 2013

Financial Accounting
Wings Inc., a software development firm, has stock outstanding as follows: 25,000 shares of cumulative 1%, preferred stock of \$40 par, and 50,000 shares of \$120 par common. During its first four years of operations, the following amounts were distributed as dividends: first ...
April 21, 2013

Calculus
Use the Evaluation Theorem to find the exact value of the integral ç from 1/2 to 0 (a/ã(1−x^2)dx. The answer should involve the parameter a.
April 17, 2013

Geometry
The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a "lifesaver" ...
April 15, 2013

math 118
On a math test a student where the mean is 50 and the standard deviation is 12, a student has a z-score of 0.83. What did the student score on the test?
April 8, 2013

science
In guitar, L= 1/2 lambda ; =75/2 =37.5cm
March 29, 2013

Spanish
8. Juego baloncesto. 9. Juego golf.
March 28, 2013

MATH
March 19, 2013

Math
The price of a home is \$185,000. A down payment of 10% is required with 2 points at the time of closing. The home is financed over a 25 year period with a fixed rate of 4.5%. Find the monthly payment and total interest paid?
March 5, 2013

math
An 18 kg mass is placed st one end of a steel bar that is 1 m long. A 35 kg mass is placed at the other end. Where should the fulcrum be placed to balance the bar?
February 19, 2013

english
Blatant,blight, contrive,garbled,immaculate,gaunt,retaliate .........The little girl was so———-after her illness that her parents carefully——-ed fattening meals that were sure to arouse her appetite.
February 13, 2013

math
total of 17 heads and 42 feet with 3 times more ducks as pigs so how many duck do you have
January 20, 2013

math
don break a 4x7 array into a 2x7 array and another array. what is the fact for dons second array? write a number sentence that models the relationship of the 4x7 array to the other two arrays.
January 8, 2013

physics, university
A length of wire has a radius of 3.00 x 10-3 m and a resistance of 0.200 ohms. When the potential difference across the wire is 10.0 volts, the electron drift speed is found to be 2.98 x10-4 m/s. On the basis of these data, calculate the density of free electrons in the wire.
November 19, 2012

Finance
I dont have a clue how to solve this problem
November 17, 2012

math
13y-x=7 and 7-y/2=x are parallel, neither or perpendicular lines
November 16, 2012

physics
A length of wire has a radius of 3.00 ~ 10-3 m and a resistance of 0.200 ƒ¶. When the potential difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 ~ 10-4 m/s. On the basis of these data, calculate the density of free ...
November 15, 2012

CHEM Periodic Trends
Each of the statements below attempts to explain why some periodic property varies predictably among elements in the periodic table. Determine if each statement is true or false. Within a family, elements with higher atomic numbers have higher electronegativity because the ...
November 1, 2012

Geometry
Suppose you have four identical pieces of wood like those shown below. If m<b=40 can you construct a frame with opposite sides parallel? Explain.
November 1, 2012

Geometry
Find the measures of an interior angle and an exterior angle of a regular polygon with 6 sides.
October 24, 2012

Ethics
Write a 400- to 600 -word personal reaction paper using the same ethical theory. This paper must include at least two references and address the following: · The essential points of the theory as you understand them · How this theory intersects with your personal...
September 30, 2012

Ethics
What are two examples of how personal values interact with an ethical theory?
September 29, 2012

Ethics
Is there a difference between decisions based on law versus decisions based on ethics?
September 29, 2012

English
Write the correct singular possesive, plural form and plural possessive for each word: Witness Attorney Agency Child Notary Public
September 25, 2012

English Poetry Check
#4 is seven
August 29, 2012

english 11
August 23, 2012

Chemistry
Calculate the molecular weight (MW) of a compound with the molecular formula C5H4FeN4. Report your answer to the nearest whole number value and do not include units. For example, if the MW was 35.45 amu, you would report "35" as your answer.
July 8, 2012

Chemistry
The empirical formula for a compound with the molecular formula C6H12N2O4 is:
July 8, 2012

Chemistry
The empirical formula for a compound with the molecular formula C6H12N2O4 is?
July 8, 2012

Chemistry
If 13.75 g of iron (III) nitrate react with an excess of ammonium sulfide, how many grams of iron (III) sulfide are produced? Report your answer to 2 sig figs
July 8, 2012

Composition
When writing an essay is it ok to switch from past tense to present tense in the last paragragh
July 2, 2012

Stats
how did you come to this answer? The answer is approximately =0.017 b) Ten Cobalts are randomly selected and the miles per gallon for each car are recorded. What is the probability that the mean miles per gallon exceed 34 miles per gallon? The final answer will be = 0.0351
May 28, 2012

health
identify one way in which the role of cdc agency and the product or service it regulates or oversees affects consumer choice in health care marketplace. 2. identify 3 advantages of regulatory oversight for the selected healthcare product or service catagory to the consumer.
May 26, 2012

English
Ms. Sue, that was RUDE!
May 13, 2012

Marketing
First, imagine that you are a small business owner with a very limited promotional budget. You cannot afford large-scale mass media advertising, such as expensive television or radio advertising. Next, in your discussion post, identify and briefly describe at least five things...
April 30, 2012

geometry
Find "a" to the nearest tenth if a= 36° and c=13.5
March 14, 2012

Calculus AP need help!
i dont know how or what to starts Find the slope of the tangent line to the curve 4x^2+3xy+3y^3=-251 at the point (-4,-5)
February 29, 2012

Math
A scale drawing of a house is 15 cm high. If the drawing was built with a scale of 1 cm: 2.5ft, how high was the actual house
February 29, 2012

Calculus AP need help!
1.) 4 cos x sin y = 1 2.) tan(x/y)= x+y
February 29, 2012

Calculus AP need help!
its difficulty problem. find dy/dx by implicit differentiation 1.4 cos x sin y = 1 2.tan(x/y)= x+y
February 29, 2012

Math
one postive number is 9 more than twice a number if product is 893 find the numbers
February 16, 2012

math
in a class of 30 students, 17 have computers at home and 20 have cassettes. If 4 students in the class have neither a computer or a cassette, how many of the 30 students have both?
November 10, 2011

stats
if IQ is normally distributed with a mean of 100 and a standard deviation of 10, what stand score (z-score) would represent a person with an IQ of 75?
October 31, 2011

stats
if income in the us was normally distributed, what z-score would represent the top 1%?
October 31, 2011

el camino real
if income in the US was normally distributed, what z-score would represent the bottom 10%, the poorest 10%
October 31, 2011

You are writing to a reader who favors a different solution than the one you recommend. Which of the following is MOST likely to persuade the reader? A. Describe your reader's solution first, explain why it won't work, and then go on to describe your own solution. B. ...
October 26, 2011

Statistics
People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 90% confidence? Initial survey results indicate that standard deviation= 15.5 books.
October 7, 2011

psychology
Is the “reality” assumed by cognitive theorists relative or absolute? Why?
September 17, 2011

Medicine
Por Favor What advatage does Computerised tomography have over regular X-rays? Y Gracias!
September 14, 2011

Writing
My mother and I didn't see any more slang, but the one you told me. we read it out loud, but couldn't find none. Any more examples of slang in my story?
August 30, 2011

Writing
I revised it myself, I posted for someone else to look and tell me what I need to fix.
August 30, 2011

Writing
A perfect person or in other words, a goody-toe shoes is someone that has to have everything right. I'm not a perfect person, but I like things a certain way. Well, in the story, "The Possibility of Evil," a woman named Miss Strangeworth was that perfect person...
August 30, 2011

angles
find the largest negative co terminal angle of -417 degrees.
August 26, 2011

science
determine your distance traveled and displacement if you walk 100m forward and then 35m backward
August 3, 2011

accounting
Jan. 1 Purchased a small company and recorded goodwill of \$150,000. Its useful life is indefinite. May 1 Purchased for \$90,000 a patent with an estimated useful life of 5 years and a legal life of 20 years
July 8, 2011

Early childhoodeducation
I want to know what is positive peace
June 24, 2011

chemistry
how many moles of CO2 in .05M solution in .2L?
June 7, 2011

Geometry
Find the area of 33m, 30m, and 36.5m.
May 27, 2011

algebra with applications
what is the operations of 7+3*5
May 20, 2011

spanish
unscramble these- uolsrrsedeco
May 9, 2011

math
: Do you feel that mathematicians make to much of the mathematics and nature connection? Why?
May 7, 2011

math
Do you feel that nature influenced the development of geometry? How?
May 7, 2011

math
Should number theory be taught to grade school children?
May 7, 2011

math
In order to determine the amount of liquid a spherical tank will hold, would you need to use volume or surface area?
May 7, 2011

math
:Explain why a prime number must be deficient.
May 7, 2011

math
Why is number theory important in mathematics?
May 7, 2011

science acids and bases
what can you tell about the equations 2 P2O5?
April 18, 2011

Language Arts
....Poets, whoknow how to express so many beautiful things, are some of the most miserable people on the planet... Why is this Ironic?
April 16, 2011

Language Arts
Skiing was canceled on account of snow. Why is this Ironic?
April 16, 2011

chemistry
At what temperature (from your graph) do KNO3 and NaCL have same molar solubility?
April 5, 2011

Chemistry
Write a balanced equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, CaS.
April 5, 2011

CHEMISTRY
HOW MANY MG OF C2H4 MUST BE USED TO PRODUCED 875J OF HEAT
April 4, 2011

CHEMISTRY
WHAT MASS OF WATER CAN BE PRODUCED FROM 30.0G OF AMMONIA
April 4, 2011

math
A rectangular sheet of aluminum foil is 50 centimeters long and 20 centimeters wide, and weighs 5.4 grams. Find the thickness of the aluminum foil in centimeters
March 31, 2011

physics
A hammer falls from a scaffold on a building 50.0m above the ground. Find its speed as it hits the ground.
February 22, 2011

Math
find the other endpoint of a line segment with the given midpoint and one endpoint 0,0 and 4,-2
February 13, 2011

physics
Answering to drwls late, but 4.23m, the m is mass of m but it's 4.23 times greater. Hence, 4.23m.
January 23, 2011

accounting
Journalizing in a General Fund: Modified Accrual Basis: Issued \$20 million in long-term bonds. Acquired several tracts of land at a total cost of \$4million, paying the entire amount in cash.
January 13, 2011

sociology
I am in week 7 from Rasmussen as well in Nov 2013 still same question.
December 3, 2010

sociology
Me too, I am way beyond confused... Help would be greatly appreciated. Brenda, I bet its the same class and school lol.
December 3, 2010

Physics
The waves from a radio station can reach a home receiver by two paths. One is a straight-line path from transmitter to home, a distance of 21.0 km. The second path is by reflection from the ionosphere (a layer of ionized air molecules high in the atmosphere). Assume this ...
November 26, 2010

english
I wrote this for my class and I just want to make sure I have it right. The role of education plays a very big part in the financial world. It's a big part of becoming successful. It can help with learning basic math skills in order to better your finances. It can also ...
November 20, 2010

gym
ADOETEMED with five blanks. It is a phase. Help!
November 18, 2010

chemistry
Wrtie the equilibrium constant expression for the reaction of NH3 with water. the OH- concentration of .050 M ammonia, NH3, is 9.5 x 10^-4 M
November 17, 2010

chemistry
An unknown weak monprotic acid with the general formula HA has a Ka=5.5 x 10^-7. what is the value of the equilibrium constant that describes the following reaction? A- +H2O = HA +OH-
November 15, 2010

Chemistry
An automobile antifreeze mixture is made by mixing equal volumes of ethylene glycol (d=1.114 g/mL; M=62.07 g/mL) and water (d=1.00 g/mL) at 20 degrees C. The density of the mixture is 1.070 g/mL. Expreess the concentration of ethylene glycol as volume percent. I've tried ...
October 18, 2010

Chemistry
A baker uses sodium hydrogen carbonate as the leavening agent in a banana nut quickbread. the baking soda decomposes according to two possible reactions. 1. 2 NaHCO3 = Na2CO3+H2O+CO2 2. NaHCO3+H=H2O+CO2+Na. calculate the volume in mL of CO2 that forms at 180 degrees C and .975...
October 7, 2010

chemistry
on a particularly hot 30 degrees C day near the seashore the partial pressure of water vapor in the air is .0303atm. given that the atmospheric pressure is 1 atm and the composition of dry air is 78% N, 21% O and 1%Ar, what is the partial pressure of oxygen gas?
October 7, 2010

Chemistry
No i'm sorry that is not being accepted as the right answer
October 7, 2010

Chemistry
Find the average kinetic energy per molecule of He at 30 degrees C
October 7, 2010

managerial eccon
Suppose that a firm is currently employing 30 workers, the only variable input, at a wage rate of \$60. The average product of labor is 30, the last worker added 12 units to total output, and total fixed cost is: \$3,600. what is the averge variable cost?
October 3, 2010