Saturday

February 28, 2015

February 28, 2015

Total # Posts: 3,094

**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*

**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*

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