Friday

December 19, 2014

December 19, 2014

Total # Posts: 520

**statistics**

on the table thingy... do i use 1.90 and 2??
*September 29, 2010*

**statistics**

but i cant find the proportion for a z-score of 1.98
*September 29, 2010*

**statistics**

The weights of individual nails produced by the 'Hammer 'n Nail' hardware company follow a normal distribution with the average nail weight being 5.1 grams and the standard deviation in nail weight being 1.6 grams. When a nail is produced it is discarded if it ...
*September 29, 2010*

**Math**

You are a share analyst for an investment firm and are investigating the return on shares in the Eastern Mining Corporation over the last four years. The return on Eastern Mining Corporation shares over the last four years is presented. Calculate the geometric mean rate of ...
*September 28, 2010*

**Math**

Supply the missing numbers. Round any decimal to the nearest thousandth and percent to the nearest tenth of a percent if necessary. fraction decimal percent 12percent
*September 27, 2010*

**ghemistry**

which indicator is more reliable in the titration of H3PO4 with NaOH using methyl orange and phenolphthalein as indicators
*September 26, 2010*

**Physics**

A small blimp is used for advertising purposes at a football game. It has a mass of 93.0 kg and is attached by a towrope to a truck on the ground. The towrope makes an angle of 53.3° downward from the horizontal, and the blimp hovers at a constant height of 20.7 m above ...
*September 21, 2010*

**Physics**

A horse draws a sled horizontally across a snow-covered field. The coefficient of friction between the sled and the snow is 0.195, and the mass of the sled, including the load, is 209.8 kg. If the horse moves the sled at a constant speed of 1.730 m/s, what is the power needed ...
*September 21, 2010*

**Physics**

A spring with a spring constant of 223.9 N/m is compressed by 0.220 m. Then a steel ball bearing of mass 0.0372 kg is put against the end of the spring, and the spring is released. What is the speed of the ball bearing right after it loses contact with the spring? (The ball ...
*September 21, 2010*

**Physics**

An ideal spring has the spring constant k = 464 N/m. Calculate the distance this spring must be stretched from its equilibrium position for 26 J of work to be done. 1
*September 21, 2010*

**Physics**

A particle of mass m is subjected to a force acting in the x-direction. Fx = (3.2 + 0.55x) N. Find the work done by the force as the particle moves from x = 0 to x = 4.5 m. 1
*September 21, 2010*

**Physics**

You push your couch a distance of 3.8 m across the living room floor with a horizontal force of 180.0 N. The force of friction is 136.0 N. What is the work done by you, by the friction force, by gravity, and by the net force? you 1 friction force 2 gravity 3 net force 4
*September 21, 2010*

**Physics**

Two baseballs are thrown off the top of a building that is 7.24 m high. Both are thrown with initial speed of 63.3 mph. Ball 1 is thrown horizontally, and ball 2 is thrown straight down. What is the difference in the speeds of the two balls when they touch the ground? (Neglect...
*September 21, 2010*

**Physics**

Two cars are moving. The first car has twice the mass of the second car but only half as much kinetic energy. When both cars increase their speed by 4.54 m/s, they then have the same kinetic energy. Calculate the original speeds of the two cars. first car 1 second car 2
*September 21, 2010*

**maths**

Yes, altitude change is what I am trying to find, sorry I didnt make that clearer earlier
*September 20, 2010*

**maths**

Yes, that's exactly i am looking for, sorry i didnt make that clear earlier
*September 20, 2010*

**maths**

hi how would you calculate altitude given airspeed, rate of descent and time? thank you!
*September 20, 2010*

**Physics**

The position of an object as a function of time is given as x = At3 + Bt2 + Ct + D. The constants are A = 3.2 m/s3, B = 1.8 m/s2, C = −4.2 m/s, and D = 7 m. At what time(s) is the object at rest?
*September 10, 2010*

**Physics**

A rabbit runs in a garden such that the x- and y-components of its displacement as function of times are given by x(t) = −0.44t2 − 6.0t + 73 and y(t)= 0.35t2 + 8.3t + 34. (Both x and y are in meters and t is in seconds.) (a) Calculate the rabbit's position (...
*September 10, 2010*

**Physics**

Some rental cars have a GPS unit installed, which allows the rental car company to check where you are at all times and thus also know your speed at any time. One of these rental cars is driven by an employee in the company's lot and, during the time interval from 0 to 10 ...
*September 10, 2010*

**Physics**

You serve a tennis ball from a height of 1.8 m above the ground. The ball leaves your racket with a speed of 19.4 m/s at an angle of 7.28° above the horizontal. The horizontal distance from the court's baseline to the net is 11.83 m, and the net is 1.07 m high. Neglect...
*September 10, 2010*

**Physics**

For a science fair competition, a group of high school students build a kicker-machine that can launch a golf ball from the origin with a velocity of 16.0 m/s and initial angle of 36.8° with respect to the horizontal. (a) Where will the golf ball fall back to the ground? (...
*September 10, 2010*

**Physics**

A golf ball is hit with an initial angle of 30.5° with respect to the horizontal and an initial velocity of 81.9 mph. It lands a distance of 86.8 m away from where it was hit. By how much did the effects of wind resistance, spin, and so forth reduce the range of the golf ...
*September 10, 2010*

**accounting**

What role might an accounting professional play in ethical corporate decision making? Should an accounting professional play a role even when he or she is not the final decision maker? Explain your answer.
*September 9, 2010*

**mat115**

A pack of 250 key blanks costs $23.50. What is the unit price? I know that this is .094 but I am having trouble with the remaining 2 parts. If each cut key costs a customer $1.75, and it takes 2 minutes for Darren to cut a key, how much does Darren make per hour? If Darren, as...
*August 28, 2010*

**math**

If a ball is dropped from from 288 ft above the ground, how long does it take to reach ground level?
*August 26, 2010*

**math**

A pack of 250 key blanks costs $23.50. What is the unit price? If each cut key costs a customer $1.75, and it takes 2 minutes for Darren to cut a key, how much does Darren make per hour? If Darren, as the business owner, pays himself $800 per week, how much profit (or loss) is...
*August 26, 2010*

**Physics**

A machine carries a 3.0 kg package from an initial position of di = (0.50 m) + (0.75 m) + (0.20 m) at t = 0 to a final position of df = (7.30 m) + (11.0 m) + (7.20 m) at t = 14 s. The constant force applied by the machine on the package is F = (2.00 N) + (4.00 N) + (6.00 N...
*July 22, 2010*

**economics**

how might these trade restrictions on imported goods affect the japanese economy
*May 19, 2010*

**principles of management**

memo to a superior indicating that person’s strengths as a manager. Include a tactful recommendation regarding one thing they could do differently to be even more effective as a manager.
*May 17, 2010*

**environmental science**

i would like to know what three consequences (one at each level: individual, community, and population) that may occur with each of these resources if these resources become limited.? The resources i came up with are water, food, shelter, resilinence, and humans. Ithink these ...
*May 17, 2010*

**environmental science**

yes i would love for some help on this.
*May 17, 2010*

**college**

List five resources you believe are needed for survival and discuss why they are needed for survival. If these resources become limited it may have an effect on the individual, community or population level. Discuss three consequences (one at each level: individual, community...
*May 17, 2010*

**philosophy**

Slippery Slope - Hitler and Saddam parallels "If you cannot recognize your enemy, you will not defeat him...."
*May 11, 2010*

**economics**

an accurate statement about the great depresson is
*May 4, 2010*

**biology**

Can someone please help me with the following question. Thanks! Skin color is not directly tied to race. All humans carry the same genes. Yet why do some races seem to have darker (or lighter) skin tones than others?
*April 14, 2010*

**Physics**

use: kmax = hf - e kmax = h ( f becomes : c over lambda)- e e = ( Evev * 1.6 *10exp -19)
*April 13, 2010*

**1st grade**

show 25 cents in several ways
*April 8, 2010*

**African American History**

Due to the long stretch of years of oppression and torture African Americans hae gone through in this country, they want reparation similarly to other groups including the Jews, Japanese, and the Native Americans. What solutions or strategies would you or could you provide to ...
*April 8, 2010*

**physical science**

What subdivisions make up the geologic time scale? What is the primary basis for differentiating the eras?
*April 8, 2010*

**physics**

Are fat fish more likely to have broad stripes than thin fish? 7. Answers: Yes No 8. Reasons: Some fat fish have broad stripes and some have narrow stripes. 3/7 of the fat fish have broad stripes. 12/28 are broad striped and 16/28 are narrow striped. 3/7 of the fat fish have ...
*March 27, 2010*

**Science**

Radioactive carbon-14 dating has determined that a fossil is 5.7 x 10 to the third power years old. What is the total amount of the original Carbon-14 still present in the fossil?
*March 24, 2010*

**chemistry**

need answer to the following: for each molecular compounds, write the name corresponding name or write chemical formula to: A)nitrogen pentasulfide B)diphosphorus pentasulfide C) AS2S3 D)PBr5
*March 11, 2010*

**survey of accounting**

The ______ interest rate is used to calculate the regular interest payments made to the bond holder.
*March 8, 2010*

**7th grade math**

1. 36/7= _ _ 2. -8-m>-19
*March 5, 2010*

**math**

8 * 10 to the fourth power in standard form
*March 3, 2010*

**physics**

A single conservative force acts on a 5.00 kg particle. The equation Fx = (2x + 4) N describes this force, where x is in meters. As the particle moves along the x axis from x = 1.40 m to x = 7.00 m, calculate the following.
*February 23, 2010*

**Algebra 2**

Find the LCD of 5/18x^2y^3,-3/24x^4y^5
*February 23, 2010*

**Algebra**

NO ONE CARES WHY YOU DONT LIKE IT DUUUHHH
*February 17, 2010*

**kindergarten**

what is a yarn counter
*February 8, 2010*

**Finance 200**

I need help on how to:Complete the Comprehensive Problem: Landis Corporation on p. 118 of Foundations of Financial Management
*February 1, 2010*

**music**

abrupt changes in dynamic levels are referred to as ----- dynamics?
*January 1, 2010*

**Finance**

You buy a very risky bond that promises a 9.5% coupon and return of the $1,000 principal in 10 years. You pay only $500 for the bond. You receive the coupon payments for 3 years and then the bond defaults. After liquidating the firm, the bondholders rece4ive a distribuion of $...
*December 14, 2009*

**math**

Find decimal and fractional notation for the percent notation in each sentence. Be sure to simplify fractions. They are based on a 2,000 calorie day. 1 ounce provides 9% of the mdv of fat
*November 30, 2009*

**Trig**

If sin^2X=A what is an algebraic expression in A for cos(2X). I have no idea where to even begin with this!
*November 11, 2009*

**Eng/102**

I'm having a hard time of putting my answers down and making the make sense. But after reading this assignment it will help me have a better understanding of my assignment
*November 6, 2009*

**history**

thanks ms. sue :D
*November 1, 2009*

**history**

how did canada become a peacekeeping nation? i wrote about lester b pearson is there another point?
*November 1, 2009*

**Physics **

A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of the loop. (Note that ...
*October 28, 2009*

**English**

Like two seperate alliterations? If so, custard: Creamy custard can create culinary classics. elephant ear: Eager Elizabeth Eagleson eats elephant ears every evening. haha, hope those help?
*October 28, 2009*

**Spanish**

Help me unscamble these spanish words. rbaali mtirpaa proe rlaguer biecrisr tacarn bleriter Thanks!
*September 28, 2009*

**Literature**

Can someone help me?I have some literature homework to finish up but im kind of stuck on one.Can someone give me a sentence or paragraph with the word "audacity" in it?
*September 24, 2009*

**Math**

how do you know when you have found all the multiplication combinations for a cetain number?
*August 25, 2009*

**Business**

Posted by Gina on Monday, April 20, 2009 at 2:39pm. what is ethic of following situations? 1) A researcher plans to code questionnaries in an employee survey using invisible ink. 2) A researcher is planning to videotape users reactions to a new product in a simulated kitchen ...
*April 21, 2009*

**business**

what is ethic of following situations? 1) A researcher plans to code questionnaries in an employee survey using invisible ink. 2) A researcher is planning to videotape users reactions to a new product in a simulated kitchen environment from behind a one way mirror.
*April 20, 2009*

**Latin**

What is the latin word for normal? Is it normalia? I've been having a hard time finding it. Thanks
*March 28, 2009*

**Careers**

How do you become a font designer? What skills do you need, and how much do you get paid?
*March 28, 2009*

**Psycology**

Do you think valedictorians are more often left or right brain? Why? I hypothesized left brain, because I think logical skills are viewed over creative ones in the school system, but I wanted a second opinion. Most classes are based overall on logic, not creativity.
*March 24, 2009*

**chemistry**

In a study of the alcohol dehydrogenase catalysed oxidation of of ethanol at 25.0 C, the molar concentration of ethanol decreased in a first-order reaction from 220.0 mmol/L to 56.0 mmol/L in 1.22 x 104s. What is the rate constant of the reaction at 25.0 C?
*March 11, 2009*

**Financial Management**

Stock A has an expected return on 12 % and standard deviation of 40%. Stock B has an expected rate of return of 18% and a standard deviation of 60%. the correlation coefficient between stock A and B is 0.2 %. What are the expected rate of return and standard deviation of the ...
*March 9, 2009*

**science**

What is an Isogenerator?
*February 21, 2009*

**Algebra**

I am a bit confused about vertical asympotes. These two examples show different ways of getting asympotes. If I was to follow the first example to get the second example's asympote, it would not work out. Which example is correct, or are they both? 1. 2x/x^2-1 becomes ...
*January 25, 2009*

**science**

Why does air flow from high to low pressure?
*January 19, 2009*

**7th grade**

Why does air flowing down toward the Earth create high pressure?
*January 19, 2009*

**phys**

A plane takes off at St. Louis, flies straight to Denver, and then returns the same way. The plan flies at the same speed with respect to the ground during the flight, and there are no head winds or tail winds. Since the earth revolves around its axis once a day, you might ...
*January 4, 2009*

**Math**

I am having trouble remembering how to simplify fractions
*December 1, 2008*

**1st grade**

please help me with easy comments about sulpur and iron reaction
*November 12, 2008*

**accounting**

increase an asset and increase a liability : Purchased supplies on account. Increases supplies (asset) and increases accounts payable (liability). increase one asset and decrease another asset: Purchased supplies with cash. Increase supplies (Asset) decrease cash (Asset). ...
*November 9, 2008*

**science**

what is the chemical relationship between pectin and pectinase and is is caused by dehydrtions synthesis or hydroysis?
*October 26, 2008*

**Gina to Reiny (logic)**

thanks so much....I really appreciate your prompt response and so far your method makes the most sense to me...however why do you divide 1320 by 60, 15,12, and 20...and then 3, 4 ,5
*October 17, 2008*

**math logic**

440 is not the right answer... it's 528 with the venn diagram but i don't know how the diagram is suppose to look
*October 17, 2008*

**math logic**

There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin had the ...
*October 17, 2008*

**math logic**

There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin had the ...
*October 17, 2008*

**logic**

but logically wouldn't you have to take away
*October 16, 2008*

**logic**

we thought the answer was 440. 1320/6=220. Then 1320-220=1100. then 1100/5=220. then subtract 1100-220=880 nd so on...does that make sense?
*October 16, 2008*

**logic**

I did the Venn diagram the way you said and I didn't get the numbers to add up to 792...I have a redundancy of 264 in the non intersecting sections of d3 and d5. and then you mentioned the intersection of d4 and d5 to have a value of 44 and then a value of 448. so can you ...
*October 16, 2008*

**logic**

There were 1320 pumpkins in a pumpkin patch, but it was difficult for farmer Joe to find the perfect pumpkin. • Every third pumpkin was too small. • Every fourth pumpkin was too green. • Every fifth pumpkin had a broken stem. • Every sixth pumpkin had the ...
*October 16, 2008*

**Physics**

Hi, I honestly don't know how to approach this question and what equation to use. A 50.0 g Super Ball traveling at 28.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.50 ms, what ...
*October 8, 2008*

**pre-calculus**

OH thanks, gotcha!
*September 13, 2008*

**pre-calculus**

How exactly do you know that you can get one and only one value of y for every x?
*September 13, 2008*

**pre-calculus**

So the answer is yes?
*September 13, 2008*

**pre-calculus**

Determine whether y is a function of x: x^2y-x^2+4y=0 Please help. Thanks.
*September 13, 2008*

**science**

use water displacement to find the volume of four marbles in ml
*August 30, 2008*

**English**

If you do your own work rather than copying from this site, you will have the skills to succeed in college. If you copy this answer, you will be turned in for plagiarism and receive a warning or more severe penalty from Academic Affairs. Do you wish to succeed in college?
*July 27, 2008*

**Math**

For all values x for which the terms are defined, fidnteh value(s) of k, 0<k<1, such that cot(x/4) - cot(x) = [sin(kx)]/[sin(x/4)sin(x)] PLEASEEEE HELP! ASAP!
*May 27, 2008*

**Math**

well i forget about fractions,so can you help me please.
*May 21, 2008*

**english**

trying to write a speech on is a picture worth a thousand words and why
*March 12, 2008*

**8th math**

What are the odds of having a coin land tails up on 4our consecutive tosses of the coin. I took (1/2)^4 and got 1/16 but my teacher counted it wrong is 1/16th right?
*March 1, 2008*

**7th Grade Math**

What are two square roots of ten?
*February 18, 2008*

**math**

Solve the system by addition. 4x + 6y = 9 8x – 3y = –7
*January 31, 2008*

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