Thursday
August 21, 2014

Posts by Lisa


Total # Posts: 2,972

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

spanish
-que vas a hacer manana? -voy a esquiar. Y tu? a. me gusta esquiar tambien b. vas a mirar la televisor c. voy a correr 5 kilometros
March 17, 2010

chemistry
What mass of silver chloride can be produced from 2.00 L of a 0.183 \it M solution of silver nitrate?
March 16, 2010

Math
Find A �� B, given A = {people who are less than 20 years old} and B = {people who have a job}. A) {people who are less than 20 years old and people who have a job} B) {people who are less than 20 years old and have a job} C) {people who are less than 20 years ...
March 16, 2010

Hypothesis
7) If a number is divisible by 3, then the sum of the digits of that number is divisible by 3. The sum of the digits of a number is not divisible by 3. Therefore the number is not divisible by 3. A) affirming the hypothesis B) denying the conclusion C) both affirming the ...
March 15, 2010

Math
Thanks how d u get A?
March 15, 2010

Math
Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 6yz - 54y 14) A) 6y(z - 9) B) 6y(z - 54) C) 6y(z + 9) D) 9y(z - 6) you help with this problem??
March 15, 2010

Math
Thanks for explaining. I understand now.
March 15, 2010

Math
No, i figured out this one i think its 1 Thanks
March 15, 2010

Math
A delicatessen serves 13 kinds of sandwiches and 5 kinds of chips. How many different sandwich and chip lunches can they make if each lunch has one sandwich and one bag of chips? A) 13 B) 1 C) 65 D) 18
March 15, 2010

Math
Thanks, I think this is correct. I n elp w/ the concepts.
March 15, 2010

Math
A man earned $ 3000 the first year he worked. If he received a raise of $ 400 at the end of each year, what was his salary during the 15 th year? A) $ 8600 B) None of these C) $ 5600 D) $ 9000
March 15, 2010

Math
I have more i dont understand?? Use the distributive property of multiplication over addition to rewrite the sum as a product of two factors, where one of the factors is a sum. 14) 6yz - 54y A) 6y(z - 9) B) 6y(z - 54) C) 6y(z + 9) D) 9y(z - 6) explain
March 15, 2010

Math
Give a verbal, visual, numerical, and graphic representation for the idea one and one-sixth.
March 15, 2010

Math
For U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z} identify the following. 5) C A) {v, w, x, y, z} B) {q, r, s, t, u} C) { } D) {v, z}
March 15, 2010

Math
Thanks I understand
March 15, 2010

Math
Find the number of subsets of the given set. 4) {mom, dad, son, daughter} a. 16 b.14 c.12 d. 8
March 15, 2010

HRM/240
Thank you Ms. Sue. I will do the best I can. Have a good evening.
March 14, 2010

HRM/240
I have to write an affirmative action policy. I have looked at examples but I am so confused as to which way I am suppose to write this thing. Any suggestions?
March 14, 2010

Biology
11. You are searching for a gene that traces its ancestry to an ancient gene in fish. Evolutionarily older fish, like the coelacanth, have only one copy of this gene. More modern fish, like a three-spine stickleback, have three. Modern humans and mammals have no homologous ...
March 14, 2010

Phychology of Human Sexuality
Write a 700 to 1,050-word paper Format your paper according to APA guidelines. -The following points should be covered in your paper: -Trace the movements of the sperm and the egg from their development to fertilization. -Describe the function of each of the male and female ...
March 13, 2010

French
Could you check these thanks. We are working on les actions réciproques. 1. Pierre parle à Marie. Marie parle à Pierre. Answer: Ils se parlent. 2. Pierre aime Marie. Marie aime Pierre. Answer: Ils se aiment. 3. Je t'aime. Tu m'aimes. Answer: Nous ...
March 11, 2010

french
Part 2 directions: complete with either es, s, ées, 1. Voilà les photos que j'ai --------. (prendre) Answer: prises 2. C;est toi qui les as --------? (prendre) Answer: prises 3. Bien sûr! Je t'assure que je ne les ai pas ---------.(acheter) Answer: ...
March 9, 2010

French
Could you check these please Part 1 Directions: Complete with either e,es,ées, or s. J'ai pris ------- des photos. J'ai envoyé --------- les photos que j'ai pris --------- à mon amie Catherine. Je les ai envoyé --------- la semaine derni...
March 9, 2010

physics
How much energy is produced when the sun converts one kg of hydrogen into helium?
March 9, 2010

calculus
alice is flying a kite. Her hand is three feet above ground level and is holding the end of a 300-foot-long kite, which makes an angle of 57 degrees with the horizontal. How high is the kite above the ground?
March 8, 2010

Math
I can't make this work. Please help? Insert parentheses when necessary to make the number sentence true. 5-3x4/6+4=-9 Thank you!
March 7, 2010

math
a business lady leaves her laundry every Monday, then picks it up the next monday as she drops off more. If she wears a clean blouse every day of the week, how many blouses must she have, in order to visit the laundry only on Mondays?
March 5, 2010

art 100
what are the 5 definitions of art
March 4, 2010

Enviromental Science
Show Chemical balance of Sulfuric acid and Calcium hydrozide based on ion charges
March 2, 2010

algebra
simplify -5y^4(y^5)^2 /15y^7(y^2)^3
March 1, 2010

MATH
Illustrate with an example that (a + b) - c = a + (b - c) in the set of whole numbers
March 1, 2010

chemistry
how much heat will be released if 30 grams of octane is burned in excess oxygen?
February 28, 2010

statistics
if the mean of a distribution is M=48, what is the new mean if each score is divide by 3/4, and then 35 is subtracted from each
February 26, 2010

california history
what is a good topic for a history presentation ca history only between the years 1850-1870.
February 25, 2010

4th grade social studies
over thousands of year, some Paleo-Indian groups?
February 24, 2010

Environmental Science
4. You may never live in a big city, but we must all find ways to lower our environmental impact. What can the average citizen do with a minimum of cost and inconvienence to become more environmentally friendly?
February 24, 2010

Environmental Science
1. How has the size and location of big cities changes since the year 1900? 2. Describe the major problems in today's large cities and teh cause of these problems. 3. What can be done to help solve these problems? 4. You may never live in a big city, but we must all find ...
February 24, 2010

6th grade math
can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?
February 24, 2010

Environmental Science
Describe the major problems in today's large cities and teh cause of these problems?
February 24, 2010

6th grade math
can a rectangle with sides 2 and 4 be similer to a triangle with sides 2 and 3? can you please explain this?
February 24, 2010

Chemistry
If 0.670mol of liquid Br2 and 460mL of 1.72M aqueous NaI are reacted stoichiometrically according to the balanced equation, how many moles of liquid Br2 remain? Round answer to 3 sig figs. 2NaI(aq) + Br2(l) -> 2NaBr(aq) + I2(s) Additional Information: MM of Br2 = 159.81 g/...
February 21, 2010

math
Would you rather receive simple interest at the rate of 10% per year or 1% per month? Explain.
February 21, 2010

Physics
I need to sketch a 45 deg - 45 deg - 90 deg triangle and indicate the lengths of each side assuming the hypotenuse is = to 1 meter
February 19, 2010

choir
i am taking intro to music what words are good to use to critique a choir concert
February 19, 2010

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