Friday

December 19, 2014

December 19, 2014

Number of results: 11,549

**Physical Education**

The possibility "What if we designed a school that acknowledged the physical changes that these students are going through." Discuss what that possibility might look like in a physical education setting
*January 25, 2009 by Sarah*

**Physiology**

Obesity is defined medically as 20% above a person’s ideal weight. If a person’s ideal weight is 72 kg, when (above what weight) would that person be considered obese? ________________kg
*February 9, 2011 by Ivy*

**chemistry**

If calcium oxide is added to sea water a number of changes occur. first calcium oxide reacts with water to form calcium hydroxide. What is the equations
*March 8, 2009 by mom*

**Math 156**

Jackie bought a stock for $34 a share. the daily changes for the next 7 days after she bought the stock were -5, -2, +1, +3, -6, +4 and +8. What was the share of stock worth at the end of day 7?
*November 20, 2009 by Rmz*

**Physics - Momentum**

Define momentum qualitatively and quanititatively. (qualitatively - a measure of an object's mass to resist changes in its velocity or acceleration. Is this correct? How do I define momentum quantitatively)
*August 25, 2010 by Shaila*

**8th Grade Writing**

Does this Introduction sound fine for an Argument essay? Forests probide many supplies that are essential in our lives. They give us oxygen, wood fiber for paper, herbs for medicine, and timber for building structures. Forest materials are so necessary that humans can't live ...
*October 22, 2010 by Elizabeth *

**Math**

A mathematical model for concentration of administered cortisone in humans over a 24-hour period uses the function C= [(D x a) / V(a-b)] (e^(-bt)-e^(-at) where C is the concentration, D is the dose given at time t=0, V is the volume of distribution (volume divided by ...
*February 13, 2014 by Meli*

**Math--Statistics**

I have a couple of questions that need review--I've answered them, but I'm not sure if I'm correct. 1.)Suppose you interview 10 randomly selected workers and ask how many miles they commute to work. You'll compute the sample mean commute distance. Now imagine repeating the ...
*March 15, 2011 by Anonymous*

**English****

Alexander Pope's "An Essay on Criticism. Would this be considered a analogy or personification? Those RULES of old discover'd, not devis'd, Are Nature still, but Nature Methodiz'd; Nature, like Liberty, is but restrain'd By the same Laws which first herself ordain'd. * i ...
*May 3, 2011 by Jeanna*

**Math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 170 and a variance of 4. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single, randomly selected piece ...
*August 24, 2011 by Lee Ann*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 4. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece ...
*August 24, 2011 by apryl*

**algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 166 and a variance of 4. The material is considered defective if the breaking strength is less than 160 pounds. What is the probability that a single, randomly selected piece ...
*August 27, 2011 by Anna Swain*

**alegbra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 161 pounds. What is the probability that a single, randomly selected piece ...
*August 28, 2011 by apryl*

**algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*September 1, 2011 by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*November 1, 2011 by Kristen*

**MATH**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 174 and a variance of 9. The material is considered defective if the breaking strength is less than 168 pounds. What is the probability that a single, randomly selected piece ...
*December 11, 2011 by mONIQUE*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 169 pounds. What is the probability that a single, randomly selected piece ...
*March 14, 2012 by ruth*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 173 and a variance of 9. The material is considered defective if the breaking strength is less than 164 pounds. What is the probability that a single, randomly selected piece ...
*August 29, 2012 by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 9. The material is considered defective if the breaking strength is less than 158 pounds. What is the probability that a single, randomly selected piece ...
*September 11, 2012 by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single, randomly selected piece ...
*December 2, 2012 by jacque*

**Algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*December 3, 2012 by Angela*

**Algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 167 and a variance of 4. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*December 4, 2012 by Lost!!*

**algebra**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 9. The material is considered defective if the breaking strength is less than 156 pounds. What is the probability that a single, randomly selected piece ...
*December 6, 2012 by Anonymous*

**statistics**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 165 and a variance of 9. The material is considered defective if the breaking strength is less than 156 pounds. What is the probability that a single, randomly selected piece ...
*December 6, 2012 by Anonymous*

**math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed with a mean of 175 and a variance of 4. The material is considered defective if the breaking strength is less than 170 pounds. What is the probability that a single, randomly selected piece of...
*March 10, 2013 by Andrew*

**Physics Problem**

Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000 N acting on its torso when it hit the ground. Question 1 Assuming the torso has a mass of 3800 kg , find the magnitude of the torso's upward ...
*September 23, 2009 by Cayla*

**statistics**

Can someone please explain to me the procedures for getting an answer to the questions. Step by step would be great since I'm very confused. I know it's probably simple. * Numerous studies have demonstrated that listening to music while studying can improve memory. To ...
*February 28, 2008 by Lily*

**chem**

true or false?? a)If there are no changes in the oxidation state of the reactants or products of a particular reaction, that reaction is a redox reaction. false? b)A reducing agent gets oxidized as it reacts. true?
*May 3, 2011 by Rebekah*

**MATH **

the figure shows that the angle of elevation to the top of the building changes from 20 degree to 40 degree as an observer advances 75 feet toward the building. Find the height of the building to the nearest feet.
*December 6, 2011 by tom *

**Social Studies**

Could cattle ranchers have stopped the decline of the cattle industry that occurred in the late 1880's? My answer: No, because the decline of the cattle industry is due to changes in customer's interests?
*April 16, 2013 by Anonymous*

**physics**

Which one of the following situations are likely to involve turbulent flow? a 1 micrometer microbe swimming in water at 30 micrometers per second a 1 millimeter bug crawling on the windshield of a car that is travelling at 30 m/s a 10 micrometer blood cell moving through a ...
*April 10, 2014 by Turbulent Flow*

**Macro economics**

Between year 1 and 3 the price level has risen and real GDP has fallen. During the same time W has risen. Identify one comination of changes in the labor supply and labor demand that could have the effect in the classical goods and services market.
*February 15, 2008 by Christie*

**English IV Honors**

What is the best way to write a ten page term paper on fairy tales dealing with politics,changes in setting, and common fairy tale elements that are dropped and altered in the newer version of the tale Snow White and the Seven Dwarfs?
*November 12, 2008 by Tyisha*

**Psychology**

A remarkable change occurred in mental institutions during the late 1950s. Patients became less agitated and many became "out patients" rather than custodial patents. These noticeable changes were the results of: A. antidepressants. B. shock therapy. C. ECT. D. antipsychotic ...
*August 8, 2013 by Angela*

**Sociology**

give an example of a current technology of the post-industrial era that is changing the way family might be structured. Given your experience in an online environment, can you predict what changes in the family unit might occur due to the information age? could you explain to ...
*November 23, 2014 by 2phoneeeeee *

**biology**

I'm doing a paper on a case study. The man, John Doe, is 55 years old, has high cholesterol, and has experienced frequent chest pains, profuse sweating, dizziness, and shallow breathing. These are the questions I have to answer: 1) What physiological response helped John ...
*January 25, 2011 by Anonymous*

**English**

In which sentence are the "conjunctions" used correctly? 1) Either Fred nor John knew about the accident. 2) The top award was given to neither Steve or Jim. 3 Neither beauty nor popularity was considered in the contest. 4) Mary enjoyed neither rooler skating or ice skating. I...
*November 30, 2007 by Sarah*

**Chemistry-thanks**

I have a method using HPLC (high performance liquid chromatography). It states that a 4.6 x 150mm,3um column should be used. (stationary phase : octadecylsilyl silica gel). I have a 4.6 x 100mm,2.7um column, silica-based, bonded-phase (non-polar) column. Can you advise if ...
*October 8, 2011 by angie*

**statistics**

Q. The MBA department is concerned that dual degree students may be receiving lower grades than the regular MBA students. Two independent random samples have been selected. 100 observations from population 1 (dual degree students) and 100 from population 2 (MBA students). The ...
*November 29, 2010 by jeen*

**chem**

Benzaldehyde, C6H5CHO}, has a normal boiling point of 179.0 C and a critical point at 422 C and 45.9 atm. Using a phase diagram, estimate its vapor pressure at 125 Degrees (I'm putting this back up again. Since I still didn't understand it but the answer to it was 171 torr.)
*February 15, 2010 by joseph*

**physics**

If a 1-megaton nuclear weapon is exploded at ground level, the peak overpressure (that is, the pressure increase above normal atmo- spheric pressure) will be 0.2 atm at a distance of 6 km. What force due to such an explosion will be exerted on the side of a house with ...
*November 15, 2011 by Marti*

**statistics**

The distribution of scores on a standardized aptitude test is approximately normal with a mean of 490 and a standard deviation of 95. What is the minimum score needed to be in the top 25% on this test? Carry your intermediate computations to at least four decimal places, and ...
*May 6, 2012 by SHelia*

**statistics**

Random samples of size n=10 are taken from a normal population whose statndard deviation is known to be 5. Calculate the area under the sampling distribution curve for x bar between the points u-1 and u+1. That is find the probability that the sample mean lies within + or = 1 ...
*November 23, 2012 by joe*

**Statics**

In designing an experiment, a psychologist is willing to assume that the underlying distribution for the time to learn a list of words is approximately normal with a standard deviation of 40 seconds. He wants to be 95% sure that the maximum error of his estimate of the mean ...
*December 1, 2012 by Heather*

**physics**

a steel beam is 12.0 m long when installed at 23 degrees celsius.Find the change in the beam's length if the temperature changes from -32.0 degrees celcius to 55 degrees celcius?
*September 3, 2012 by Anonymous*

**Chemistry**

In the reaction 2H2O2(aq)-->2H2O2 + O2 (g), There is intially 0.865 M H2O2. After 10.0 minutes, the molarity of H2O2 changes to 0.792 M. What is the rate of reaction in terms of H2O2?
*February 26, 2013 by Crystal*

**Material Sciences**

HW9_1: AXIAL AND TRANSVERSE STRAINS - THE POISSON'S RATIO When no loads are applied, the isotropic elastic block depicted below is a cube of side L0=200 mm. When the distributed load (surface traction) q=200 MPa is applied as shown below, the side length along the direction of...
*July 17, 2013 by AMK*

**Physics**

I have two questions? 1-What do we call the quantity force x distance, and what quantity does it change? **The quantity is called work and it changes energy** 2-In what unit is energy measured? **joule?? isn't it the same as work?**
*December 9, 2009 by Sarah*

**Statistics**

In one-way ANOVA involving three groups, the alternative hypothesis would be considered correct if, in the population, a. all means were equal. b. two means are equal but the third is different. c. all three means have different values. d. either (b) or (c) above is true.
*April 29, 2014 by Kevin*

**Ap Physics**

Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000N acting on its torso when it hit the ground. Assuming the torso has a mass of 3800kg , find the magnitude of the torso's upward acceleration ...
*September 24, 2009 by Tiffany*

**Science**

A researcher is studying the rate of chemical reactions within living blood cells. When placing the cells into a petri dish with a pH of 2.5, the researcher should predict that the rate of the reactions will A. increase immediately. B. decrease immediately. C. remain the same...
*July 30, 2014 by Dulce*

**Science- Chemistry**

Could someone please explain a few things? First off, how do you change a normal compound or element and change it to an ion? And second, could you please explain the net ionic equations?
*February 11, 2009 by Mme. Bella*

**physics**

A runner X ran the mile race in 4.25 sec. Another runner Y requires 4.55 sec to run the distance. If they start out together and maintain their normal speeds, how far apart will they be at the finish of the race?
*January 31, 2011 by Art*

**chemistry**

why would it not be useful to just use pure ethanil or pure ethylene glycol as aN ANTIFREEZE SINCE THEIR NORMAL FREEZING POINTS are -114.1 degrees celsius and -12 degrees celsius respectively
*February 8, 2011 by shaknocka lewis*

**chemistry**

why would it not be useful to just use pure ethanil or pure ethylene glycol as aN ANTIFREEZE SINCE THEIR NORMAL FREEZING POINTS are -114.1 degrees celsius and -12 degrees celsius respectively
*February 8, 2011 by shaknocka lewis*

**statistics**

Varsity team try out. Assume the distribution of heights to be normal w/a mean of 64inches & standard deviation of 4 inches. only 15 students passed. how many students joined the try out?
*February 22, 2012 by mike*

**Physics**

A crate, which has a mass of m= 45 kg, is being accelerated at 3.2m/s^-2 up an frictionless inclined plane, which meets the horizontal at an angle of 35 degrees, by a rope. What is the magnitude of the normal force acting on the crate? What is the tension acting in the rope?
*December 8, 2012 by Antonio*

**physices**

The light beam shown in the figure on the right makes an angle of 20.0° with the normal line NN’ in the linseed oil. Determine the angles θ and θ’. (Note: The index of refraction of linseed oil is 1.48.)
*February 4, 2013 by Anonymous*

**Math**

Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants scored between (–53.68, 64.64), where did 95% of the values for weight relative to the ideal lie? Round your answer to two decimal places.
*March 5, 2014 by Teri*

**statistics**

5. Suppose a manufacturer of computer chips is experiencing an average of 2% defective chips. (a) If a lot contains 1000 chips, what is the probability that more than 25 chips are defective? HINT. Use the normal approximation to the binomial.
*March 23, 2014 by Marisol*

**population size checkpoint**

Post A 200- To 300-Word Response To The Following: Explain The Four Factors That Produce Changes In Population Size. What Do You Predict Will Happen To The Nutria Population After All The Land Is Depleted Of Nutrias Food Resource?
*September 10, 2008 by linda*

**Psy210**

I was wondering if someone could help me with a homework assignment that wants us to identify two major changes or challenges associated with that developmental stage(adolescence, young adulthood, middle adulthood, and late adulthood. For each of three developmental domains: ...
*October 12, 2009 by Jen*

**Psy210**

I was wondering if someone could help me with a homework assignment that wants us to identify two major changes or challenges associated with that developmental stage(adolescence, young adulthood, middle adulthood, and late adulthood. For each of three developmental domains: ...
*October 12, 2009 by Jen*

**Computer Science**

Suppose that a String variable str has already been defined and holds some String. In the box provided below, write a statement that changes str to all lower case characters, and then copies the result back to str.
*September 22, 2011 by Amanda*

**Biology II AP**

Compared the process of mitosis with the process of meiosis and include answer with study of the change in chromosome number. Where do these changes occur and how are they relevant to the processes discussed? I understand the comparing part, but then the change in chromosome i...
*November 5, 2007 by Soojung*

**world history**

What was the technology, agriculture, trade, religion/belief systems, gender roles, migrations, and population changes of the era of 600-1450 in the Middle East? What about in the 1450-1750? 1750-1914? 1914-present?
*May 8, 2008 by lauren*

**Chemistry**

The temperature of a sample of neon is raised from 20 degrees C to 40 degrees C, the average kinetic energy of the neon atoms changes by a factor of? The answer is suppose to be 313/293, but I don't get how. My idea was since average KE = (3/2) kT then the KE would only change...
*January 7, 2009 by Unsure*

**chemistry**

Consider the exothermic reaction CoCl42-(aq) + 6 H2O(l) Co(H2O)62+(aq) + 4 Cl -(aq). Will the equilibrium concentration of CoCl42- increase or decrease when the following changes occur? a) HCl is added. (b) Co(NO3)2 is added. both of those compounds are not even in the ...
*April 19, 2011 by Robbin*

**History**

Have there been territorial disputes or boundary changes in Turkey. I've been trying to research them and find a map of how Turkey used to look, but I coun't find any good information. If anyone could help with any websites about it, I would really appreciate it! THANKS! :D
*December 11, 2011 by CeCe*

**physics**

The same amount of heat entering identical masses of different substances produces different temperature changes. Calculate the final temperature when 1.25 kcal of heat enters 1.25 kg of the following, originally at 20.0°C. (a) water (b) concrete (c) steel (d) mercury
*July 19, 2013 by Eric*

**European History**

Where was this quote said, what impact did it have on society, and what changes were taking place when this quote was said. “I have the feeling that the days of Cicero and Demosthenes are much closer to me than the sixty years just passed.” -Leonardo Bruni
*August 13, 2013 by Serena*

**European History**

Where was this quote said, what impact did it have on society, and what changes were taking place when this quote was said. “I have the feeling that the days of Cicero and Demosthenes are much closer to me than the sixty years just passed.” -Leonardo Bruni
*August 13, 2013 by Serena*

**Business**

The use of exaggeration and argument by a seller to convince a buyer to enter into a contract will usually be considered: a. fraud. b. duress. c. puffery. d. undue influence. I am really torn between duress and puffery....while puffery does mean exaggeration I dont think it ...
*March 13, 2008 by Mike*

**pschology**

You have received a notice from the principal of the school that a program of tangible rewards (buttons, stickers, starts, bags of popcorn, cookies) is being considered. The notice compares tangible rewards of the children with the pay adults get for work. From what we know ...
*November 8, 2012 by Anonymous*

**Chem please help**

What does the second law of thermodynamics say about entropy? A. Only changes in entropy can be measured. B. The entropy in a system is zero at equilibrium. C. The entropy in a system and its surroundings tends to increase. D. Entropy cannot be created or destroyed. I think c.
*November 24, 2014 by Morgan *

**physics**

Graph the following data and calculate the slope. What quantity is the slope of this graph? Normal Force(N) Frictional Force(N) 0 0 2.0 0.6 6.0 1.8 9.0 2.7 10.0 3.0
*June 8, 2010 by Anonymous*

**Physics**

A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.
*January 5, 2012 by Jordyn*

**Physics**

A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.
*January 5, 2012 by Jordyn*

**health**

When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for transplantation compared with...
*June 30, 2010 by Linda*

**Accounting**

I am having difficulties with the accounting problem below Roland Andersson is the manager of the Ekland Division of Ystad Industries. He is one of several managers being considered for position of CEO, as the current CEO is retiring in a year. All divisions use standard ...
*February 18, 2012 by Del*

**Physics**

Two boxes, mass 4.0 kg and 5.0 kg are set next one another on a frictionless surface. The first box is pushed with a force of 35 N. What normal forces does the second box exert on the first box during this process? (ans: 19 N) How do you do this question? Thanks.
*June 17, 2012 by anonymous*

**UNO**

A blood sample contains several different types of cells, each of which contains different combinations of specific ions and molecules. The cells are suspended in water, and the water also contains many molecules and ions. Which term or terms could be used to describe this ...
*January 26, 2011 by henry*

**US History: Ms. Sue**

"The Interstate Commerce Act of 1887, establishing the Interstate Commerce Commission (ICC) had been an early effort to regulate the industry; but over the years, the courts had sharply limited its influence." - wiki Would the Interstate Commerce Act be considered a policy for...
*August 19, 2010 by Amy~*

**science**

When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for transplantation compared with...
*December 29, 2010 by Anonymous*

**health**

When comparing hemodialysis and peritoneal dialysis, it can be said that A. hemodialysis takes longer than peritoneal dialysis. B. peritoneal dialysis involves the removal of blood from the patient. C. hemodialysis is a step closer to the need for transplantation compared with...
*December 29, 2010 by KYM*

**CHEMISTRY**

Can someone please help me with this problem. The following cell is set up to measure the concentration of K^+ in blood serum Ag,AgCl | KCl(aq), c=1mol/L | K^+ selective membrane | KCl, c mol/L in serum || NaCl(aq), c=1mol/L | AgCl,Ag 1) If the cell potential difference is +0....
*April 28, 2010 by Jen*

**stastics**

I'm having a hard time with question, can someone help me? A random sample of medical files is used to estimate the proportion p of all people who have blood type B. If you have no preliminary estimate for p, how many medical files should you include in a random sample in ...
*December 19, 2010 by Kim*

**biology**

Discuss how the concept of time applies to ecological situations and evolutionary changes. Do ecological time and evolutionary time ever correspond? If so, what are some examples? i dont get this question at all...please help thanks in advance
*October 4, 2007 by michelle*

**Physical Science**

During which of the following chemical changes does a precipitate form? 1. vinegar is added to baking powder 2. Lemon Juice is added to milk 3. Lemon juice is added to water 4. A banana ripens
*January 26, 2008 by Austin*

**physics**

Which is true as one gets closer to the center of the earth? a. The person’s weight increases b. The person’s weight decreases c. The person’s weight remains the same d. The person’s mass changes e. A new dimension is discovered
*May 6, 2010 by jude*

**Physics**

I know a steady force produces a steadily increasing velocity and a constant acceleration. But what happens when you increase the force by doubling or tripling it? I think the acceleration would follow force changes but what about velocity?
*September 25, 2011 by Jen*

**physics**

thanks again to anyone who can possibly help!!!!! i wish i had a book or notes or something about this kind of stuff :( The linear expansion coefficient of glass is 9 x 10^-6 (`C)^-1. An automobile windshield has dimensions of 59 cm by 390 cm. What minimum spacing around the ...
*February 19, 2010 by elisabeth*

**Chemistry**

Iodine is mainly found in water in the trioxide ion, I3 which is formed by the combination of molecular iodine, I2 and Iodide, I-, according to the equation: I2(aq) +I-(aq) <----> I3(aq) QUESTION: how does the system in the equilibrium seem to respond to the changes ...
*March 11, 2013 by Annie*

**putting it all together**

which one of the following statements is true concerning children and television? a.minimal viewing results in shifts in attitudes b.t.v.is an unrivaled teacher for certain subjects c.t.v. has resulted in minor changes in the habits of children d.t.v. has a non hypnotic power ...
*August 14, 2013 by susue*

**algebra/math**

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 169 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single, randomly selected piece ...
*August 28, 2011 by Anonymous*

**physical**

Two mountain climbers are working their way up a glacier when one falls into a crevasse. The icy slope can be considered frictionless. Sue's weight is pulling Paul up the 45* slope. If Sue's mass is 66kg and if she falls 2m in 10s starting from rest, find the tension in the ...
*October 13, 2013 by Ywome*

**statistics**

A basketball player has a 76% chance of making a free throw. What is the probability of her making 104 or more free throws in 119 trials? Round your standard normal variable to two decimal places before using the table of values.
*October 15, 2010 by br0Ok3*

**Physics**

A fighter pilot dives his plane toward the ground at 345 m/s. He pulls out of the dive on a vertical circle. What is the minimum radius of the circle, so that the normal force exerted on the pilot by his seat never exceeds three times his weight?
*October 24, 2010 by Adam*

**Calc I **

I need to find the equations of the tangent and normal line for x^2-y^2=16, at the point (-5,3). I have to show every detail for my work...then use graphing software to enter my equations, so can anyone help me showing all the details of the work so that I can figure it out?? ...
*June 28, 2011 by Kejo, Help!!!!*

**stats ( please check)**

6. X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities: (A) P(x < 77.0) (B) P(75.0 < x < 85.0) (C) P(x > 85.0) (Points : 6) I think I have the first two but I am stumped on the third one. Thank you for ...
*July 24, 2011 by Celest*

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