Wednesday
October 22, 2014

Posts by Lisa


Total # Posts: 3,016

Physics
An airplane has a mass of 33,000 kg and takes off under the influence of a constant net force of 38,000 N. What is the net force that acts on the plane's 71 kg pilot?
June 16, 2010

HSM 260 Financial Management for H.S.
Discuss the purpose, advantages, disadvantages, and type of feedback provided by a line item, performance and program budget in a 350-700 word essay.
June 16, 2010

HSM 260 Financial Management for H.S.
Discuss the purpose, advantages, disadvantages, and type of feedback provided by a line item, performance and program budget in a 350-700 word essay.
June 16, 2010

interm. algebra
12x^2+6 divided by 24x+12 need help
June 15, 2010

Algebra
-0.2x+12x+11 solve by using quadratic equation
June 14, 2010

Geometry
Hi Reiny the parallelogram has a line that connects to the image and a dotted line to connect to the parallelogram that is 3mm. i hope this makes sense??
June 9, 2010

Geometry
Find the perimeters and area of the parallelogram base 9mm side 4mm and 3mm so i add the sided and x like 9*4*3 for the area?
June 9, 2010

Geometry
Thanks BOB, u have helped me in the past..Thanks a lot..
June 9, 2010

Geometry
I need help!! Find the perimeters and areas of rectangle The base is 8m and one side is 5m. Do i just add up one of the side however it said the area??
June 9, 2010

Geometry
would you rather questions.. pay $9/kg or $4/500 g?
June 9, 2010

Chemistry
What volume (mL) of the solute ethanol should be combines with 2.44L of the solvent H2O to prepare a solution that is 8.03m ethanol?
June 6, 2010

Algebra
Amount of an investment. AMount of an investment rate r is given by A=P + + rt. Rewrite this formula by factoring out the greatest common factor on the right-hand side. Find A if $8300 is invested for 3 years at a simple interest rate of 15%.
June 3, 2010

business
2. Individual Assignment: Employee Data Collection Training Your boss has asked you to help new employees understand uses of data in systems-operation management and the various statistical process controls they will experience on a daily basis. • Create a 10- to 15-slide...
June 1, 2010

accounts receivable
Describe Your Perfect Job in the collections dept in less then 150 words:
May 31, 2010

accounting
Describe Your Perfect Job:
May 31, 2010

Math of Educators
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing two red cards? ______ A) 25 : 77 B) 77 : 25 C) 3 : 1 D) 102 : 25
May 30, 2010

math
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.01, what are the odds against a direct hit?
May 30, 2010

Prob
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing two red cards?
May 30, 2010

geometry
Is it always true, sometimes true, or never true that the centroid is outside its associated triangle? Is it always true, sometimes true, or never true that two complementary angles have a common vertex?
May 30, 2010

Statistics
If a researcher were studying the effects of a teaching method on patient learning outcomes, how must he or she word the hypothesis to use a t-test to test for statistical differences? What type of data must he or she collect? Why?
May 30, 2010

Statistics
If a researcher were studying the effects of a teaching method on patient learning outcomes, how must he or she word the hypothesis to use a t-test to test for statistical differences? What type of data must he or she collect? Why?
May 30, 2010

geometry
Is it always true, sometimes true, or never true that two complementary angles have a common vertex?
May 27, 2010

Math Prob/solving
As Frank drives to work he has to pass through three lights. The probability that any light is green is 39%. Estimate the probability that exactly two lights will be green. Use the following list of digits which was taken from a table of random numbers. In each pair of digits...
May 27, 2010

college
Describe the difference between college-level writing and casual writing
May 26, 2010

Algebra
Find the midpoint of the line segment having the given endpoints. ( 8, -4) and ( -7, 8)
May 23, 2010

Enviroment Science
What are the risk characterization of malathion? I have looked and read and i just do not understand!! Please help someone!!
May 23, 2010

math
Find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: (0, 0); Midpoint: ( 2, -8)
May 23, 2010

Algebra
4xsquared - 7x - 2 = 0 Solve the quadratic function
May 23, 2010

Algebra
y=1(3/8)+3?? is that right?
May 23, 2010

Algebra
7 to 10 would then be 3 and 2 to 5 is also 3 and then the last would be 12 to 20 would be 8 and 7 to 15 would be 8 so this would be a linear but then how do you write an equation?
May 23, 2010

Algebra
Determine if the relationship represented in the table is linear. If it is linear, write an equation. how do you determine if a table is linear here is the table I am looking at.... x 2 5 7 10 12 20 y -3 0 2 5 7 15 please guide me in the right direction...
May 23, 2010

math
The area of a rectangle of length l and width w is given by the formula A = lw. Ann's backyard is rectangular with a length of 36.8 yards and a width of 27.9 yards. Find the area of Ann's backyard. 36.8x27.9=1026.72area of ann's backyard can someone please check my...
May 23, 2010

Algebra
A theater ticket for adults is a dollars and the price of a child's ticket is C dollars. If 29 adults and 45 children attend the theater one night, how much money did the theater make? Cx45 is this the answer?
May 23, 2010

math
2 RIGHT?
May 23, 2010

math
Today the Center City baseball team scored 5 runs. The day before yesterday they scored w runs. How many runs did they score in these two days?
May 23, 2010

Enviromental science
Do you believe humans can harvest forest resources in an environmental friendsly way, or should national forest be left in their natural state in which resources are not used to benefit humans?
May 21, 2010

human resources
Do you believe humans can harvest forest resources in an environmental friendsly way, or should national forest be left in their natural state in which resources are not used to benefit humans?
May 21, 2010

MATH Help!
Can some one help?? A class elects two officers, a president and a secretary/ treasurer, from its 12 members. How many different ways can these two offices be filled from the members of the class? ALSO**************** Five numbers are to be picked, without repetition, from 44 ...
May 19, 2010

Math
A study of motor vehicle rates in the 50 states reveals that traffic death rates (deaths per 100 million motor vehicle miles driven) can be modeled by the normal curve. The data suggest that the distribution has a mean of 5.3 and a standard deviation of 1.3. Sketch the normal ...
May 19, 2010

work
Use two commas around “extra information” in a sentence to show that it is not important to the meaning of that sentence if taken out. For example: “The hardware store down the street, which had been paved recently, is open until midnight five days a week.true ...
May 18, 2010

The coordinating conjunctions that can be used to
The coordinating conjunctions that can be used to combine two complete sentences with a comma are “for, and, nor, because, yet, so
May 18, 2010

Math
On a TV game show, the contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability,what is the expected value of the selection if the three doors have behind them a $40,000 foreign car, ...
May 18, 2010

Math
Thanks, I did not know what the "fair die" meant.
May 18, 2010

Math
The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost should be set for each roll if the game is to be considered a fair game?
May 18, 2010

math
susan has red, blue, green, and yellow sweaters, joanne has green, red, purple, and white sweaters, diane's sweaters are red, blue, purple, and mauve, each girl ahs only one sweater of each color and will pick a sweater to wear at random what is the probability if each ...
May 13, 2010

Math/ Probability
Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that both are spades if the first card drawn was a spade?
May 12, 2010

Math/ Probability
Please Help!!! A pair of dice are rolled and the sum on their upturned faces is recorded. WHat is the probability that the sum showing is 8, given that one dice is showing a 5?
May 12, 2010

Math
If a single letter is drawn from the set (m,a,t,h,e,i,c,s) what is the probability that the letter drawn is a member of the set (m,a,t,h)? PLEASE HELP!!
May 12, 2010

chemistry
how much energy would be needed to warm 7.40 g of water by 55 degrees celcius
May 11, 2010

Social Studies (MAPS)
grid north is west of true north by 0 degrees, 57 minutes, which is equal to 17 mils. (There are 6,400 mils in a circle.) Magnetic north is east of true north by 8 degrees, which is equal to 142 mils. *B. What is the difference (in degrees and minutes) between true north (...
May 9, 2010

Social Studies (MAPS)
Ok, can you show me the formula to use? But I'm thinking 1600k
May 9, 2010

Social Studies (MAPS)
Given a scale of 1:24,000 A. What is the ground distance in feet represented by three inches on the map? B.What is the ground distance in meters represented by 5 cm on the map? C.How about the ground distance in kilometers represented by 5 cm on the map?
May 9, 2010

statistics
A population with a mean of u =10 has EX= 250. How many scores are in the population?
May 9, 2010

calculus
calculate the derivative of the following functions at the given point? f(x)=3x-1 x=17 and f(x)=-5x^2 x=2
May 9, 2010

science
if i weigh 100 lbs on earth and i went to another planet whose gravity is 15 times that of the earth, how much would i weigh
May 7, 2010

algebra1
all of them!!!!hahaha
May 5, 2010

Algebra II
(10-3i)-(-7+6i)
May 3, 2010

Biology
Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species is eliminated? If you were a scientist you could do an experiment to answer your question. ...
May 2, 2010

Professional communication skills for business studies
The i need help on the first assignment TMA 1 Cheers
May 1, 2010

French
Could you check these thanks: Directions: Chose the one that best matches. A. Mais elle a une roue de secours dans le coffre. B. Elle brend des leçons de conduite. C. Elle a besoin d'essence. D. Elle doit freiner. 1. Elle va à une auto-école. Answer: B...
April 29, 2010

catering
9.D
April 28, 2010

Chemistry
Th pH of 0.00010 M HNO3
April 27, 2010

AP Chemistry
Which is a stronger base in aqueous solution, IO- or IO3-? Explain.
April 26, 2010

Stonewall
The heaviest human of all times weighed 486 kg. This is 12 kg less than 6 times Juan's weight. How much does Juan weigh?
April 26, 2010

Chemistry
MnO2(s) -> MnO(s) + 1/2O2(g) Delta H1 = +32.5 kcal MnO2(s) + Mn(s) -> 2MnO(s) Delta H2 = -59.0 kcal Calculate Delta H final of MnO2 in KJ. The answer is not as important to me as the explanation. So, can someone please show me how to do this type of a problem?
April 26, 2010

Math
The number of students at another university increased from 14,000 students in 1971 to 30,000 in 1975. What was the percent increase in enrollment during this period?
April 21, 2010

Math
A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper? (if someone could explain to me what to do) Thanks
April 21, 2010

Math
In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Paulding and Eaton is 9.8 inches, how many kilometers is it between the two towns?
April 21, 2010

Chemistry
If 45.3 mL of liquid CS2 and 7.62 L of gaseous O2 measured at STP are reacted stoichiometrically according to the balanced equation, how many milliliters of liquid CS2 remain? CS2(l) + 3O2(g) -> CO2(g) + 2SO2(g) Molar Mass (g/mol) CS2 76.143 O2 31.998 Density (g/mL) CS2 1....
April 20, 2010

chemistry
Oh, and by the way, you didn't post the equation for this question, so my answer above is assuming that there is an equal amount moles for NaOH and HNO3.
April 20, 2010

chemistry
Convert mL to L (32ml)(1L/1000mL) = 0.032L (0.032L)(0.15M HNO3/1L) = 0.0048 moles HNO3 0.0048 mol = (.200M NaOH)(? L NaOH) 0.0048 / .200 = 0.024 L NaOH 0.024L (1000mL/1L) = 24ml NaOH Good Luck with the rest of your Wiley Homework and hope this helps! :)
April 20, 2010

chemistry
A student performs a back-titration to determine the cost -effectiveness of an antacid. A tablet with a retail cost of $0.053 is dissolved in 25.00 ml of 1.000 M HCl, then back-titrated with 1.000 M NaOH. Exactly 14.82 ml of NaOH solution is required to reach the endpoint. ...
April 19, 2010

College Algebra
help in solving log7 (1/49) = x
April 18, 2010

world geography
following the breakup of the Soviet Union, whatare some of the major problems faced by many of the new countries
April 18, 2010

education
How do you Develop a protocol for channeling students into a gifted program
April 16, 2010

Faculty of Business Studies
Please can you help me write the LB160 assignment for the Open university
April 16, 2010

accounting
What is the impact on the financial statements of missing a step when completing the accounting cycle?
April 15, 2010

Physics
As soon as a traffic light turns green, a car speeds up from rest to 50.0 mi/h with a constant acceleration of 8.10 mi/h·s. In the adjoining bike lane, a cyclist speeds up from rest to 20.0 mi/h with a constant acceleration of 13.0 mi/h·s. Each vehicle maintains ...
April 14, 2010

mat117
three rules for exponents
April 13, 2010

college physics
A smoke particle has a mass of 1.89 10-17 kg and it is randomly moving about in thermal equilibrium with room temperature air at 25° C. What is the rms speed of the particle? cm/s
April 12, 2010

physics
Two masses, m1= 1 kg and m2 = 2kg, collide. the first mass has a velocity of .95 m/s east, then 50 degrees NE. The second mass is stationary and then moves off 40 degrees SE. What are the velocities of the two masses after the collision?
April 11, 2010

english
Comma Rule Exercise Instructions: Each of the following sentences is missing one or more comma(s). In the space provided beside each question, type the number of commas needed to correct each sentence. In addition, add the missing commas where they are needed within the ...
April 9, 2010

math
Ten cards are selected without replacement from a standard 52 card deck that contains 13 clubs and 39 other cards. What is the probability that 4 of them are clubs?
April 9, 2010

Chemistry Help(Calorimetry)
Convert 34.5 in2 to cm2. Report the answer to the correct number of significant figures. (1 inch = 2.54 cm is an exact or defined conversion.)
April 9, 2010

college
organic chemistry 121-------------how to do dimensionalysis solving..
April 5, 2010

Mathematicas
6x6=36 games
April 5, 2010

english
what is 3 or 4 methods used to write about literature
April 4, 2010

Math
fill in the missing digits in as many ways as possible so the number will be divisible by 6. 3_2_
April 1, 2010

physics
Two strings, each 19.5 m long, are stretched side by side. One string has a mass of 78.0 g and a tension of 180.0 N. The second string has a mass of 58.0 g and a tension of 152.1 N. A pulse is generated at one end of each string simultaneously. Once the faster pulse reaches ...
March 31, 2010

physics help
The period of oscillation of a spring-and-mass system is 0.56 s and the amplitude is 4.1 cm. What is the magnitude of the acceleration at the point of maximum extension of the spring? m/s2
March 31, 2010

HUMAN RESOURCES
Describe one historical period in public personnel administration. Analyze the social political environment of the perspectives that influenced the HR perspective in use at the time.
March 31, 2010

Math
Insert Parentheses when necessary 7-2*5/2+6=-10
March 29, 2010

social studies
what three political groups came out of the french revolution
March 29, 2010

Human Resource Management
Consider these methods for performance appraisal: trait methods, behavioral methods, and results methods. Then select an industry or organization that has many occupational positions within it (the retail industry, the transportation industry, a marketing organization, or ...
March 29, 2010

social studies
Try this: google WW! thru WWII chronological timeline. I cannot post the web address, this site will not allow it. Hope it helps
March 29, 2010

math
what are the factors of 32
March 29, 2010

Com 220
Paraphrasing means putting it into your own words.
March 29, 2010

college
HOW DOES A PERSON AUTONOMY AFFECTS THEIR SENSE OF FREEDOM
March 23, 2010

Math
How much does Jane pay for 1 pound 12 ounces of apples at $1.96 per pound?
March 23, 2010

math
5x-y=36 5x+6y=-6 Find the solution in ordered pairs.
March 21, 2010

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