
math
The period of a pendulum can be found by using the formula,where L is length of the pendulum in feet and P is the period in seconds.Find the period of a 15foot pendulum. Round your answer to the nearest hundreth of a second.
asked by karen on February 27, 2013 
Maths
Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2
asked by Please help me on November 21, 2013 
Math
Given that force 1=60 pounds and force 2=90 pounds, find the angle between the forces if the magnitude of the resultant force is 50 pounds. Round answer to the nearest degree and show work.
asked by Shelby on April 27, 2011 
maths
Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2
asked by partha on September 20, 2013 
Business Math
One manufacturer needs to calculate the net price of an order with a list price of $700 and a trade discount series of 11/9/6 Use the net decimal equivalent to find the net price.
asked by Julia on November 1, 2016 
CALCULUS HELP !
f(x)=(3x^3x^29x8)/(6x^2+4x+3. Find the equation of the nonvertical asymptote. y= Does f(x) intersect its nonvertical asymptote ? What is the smallest value of x at which f(c) intersects its nonvertical asymptote ? please show all the work. I did
asked by tony on July 21, 2011 
Calculus
This is a large problem, sorry for the trouble. if f(x) = sqrt(x^3 + 5x + 121)(x^2 + x + 11) Find fprime/derivative of/at 0 I keep getting 16 which is not one of the multiple choice answers available. My last step is [sqrt(121)(1)] + [{5/sqrt(121)}(11)]
asked by Anonymous on October 29, 2008 
probablity
Let Θ1, Θ2, W1, and W2 be independent standard normal random variables. We obtain two observations, X1=Θ1+W1,X2=Θ1+Θ2+W2. Find the MAP estimate θ^(theta hat)=(θ^1,θ^2) of (Θ1,Θ2) if we observe that X1=1, X2=3. 1.θ^1 (theta hat)=? 2.θ^2(theta
asked by Anonymous on November 4, 2018 
math
how do I find the max number of 1.7 inch diameter spheres that can be stored in a cylindrical tank the tank has a radius of 2 inches and height of 4 inches there are 2 inches of water in the tank
asked by emily on April 26, 2015 
math
One manufacturer needs to calculate the net price of an order with a list price of $300 and a trade discount series of 12/9/5. Use the net decimal equivalent to find the net price.
asked by Tito on July 26, 2013 
physics
a 200g tennis ball approaches a racket at 20m/s is in contact with the racket for 0.008s and the ball rebounds at 4m/s. find the average force that the racket exerted on the ball
asked by sugin on April 16, 2012 
Physics
If the angle between the polarizer and the analyzer is 30 degrees, what light intensity would be transmitted through the polarizer and analyzer, respectively? I know the equationg we're supposed to use is: I= Io*cos2(theta), but how do I find the Io? And
asked by Kiara on April 12, 2016 
Math
There are 3,000 people at a concert. You survey a random sample of 200 people and find that for 35 of them this is the first concert they have ever attenede. Estimate how many total people are attending their first concert that night
asked by Pier on April 5, 2017 
College Math
One manufacturer needs to calculate the net price of an order with a list price of $800 and a trade discount series of 12/9/4. Use the net decimal equivalent to find the net price.
asked by CC on September 18, 2016 
math
2.)If f(x)=3x,g(x)=x3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone please show me how to do it? This I what I did to solve for it: 3(x3) 3(he square root of 253 3(53) 159=6 Ok here is another way I solved for
asked by Leo on April 6, 2013 
phy
A record player takes 4.5 sec to spin up to 45 RPM. What is the angular displacement and angular velocity when t=3 sec. I was only able to find angular acceleration from the information given. Which is 1.05 rad/sec^2
asked by bonsnianbill on May 4, 2016 
StoryMaking
For Health, we have to do a report on AIDS/HIV, we can do anything we want as long as it explains what AIDS/HIV is. I wanted to do a fictional story about it. What type of storyline should I do and where can I find info for AIDS/HIV.
asked by Wenmar on October 23, 2007 
Intermediate Algebra
The plans for a shed call for a rectangular floor with a perimeter of 192 ft. The length is two times the width. Find the length and width. The width is ____ft The length is ____ ft
asked by Spacegazing on March 5, 2014 
calculus
Let g be the function give by g(x) = x^4  4x^3 + 6x^2 – 4x + k where k is constant. A.On what intervals is g increasing? Justify your answer. B.On what interval is g concave upward? Justify your answer. C.Find the value of k for which g has 5 as its
asked by Equihua on January 4, 2013 
Math help on profit/loss
Please help? DId I find the amount of profit or loss of each month? I see I only found the loss. Please help. January  Income $40,520 Expenses $35,080 = Profit/Loss $5,440 How do I figure the profit?
asked by Moby on May 28, 2013 
Maths
d) Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2
asked by Argae on December 3, 2013 
math
2.)If f(x)=3x,g(x)=x3,and h(x)= the square root of x, find (fogox)(X). I really didn't get this will someone please show me how to do it? This I what I did to solve for it: 3(x3) 3(he square root of 253 3(53) 159=6 Ok here is another way I solved for
asked by Leo on April 6, 2013 
Math
A box of Brand A laundry detergent washes 20 loads of laundry and costs $6. A box of Brand B laundry detergent washes 15 loads of laundry and costs $5. In the ratio tables that follow, fill in equivalent rates of loads washed per dollar. Include some
asked by Ginny on March 31, 2019 
Physics
The first stage of a space vehicle consumed fuel and oxidizer at the rate of 1.65 104 kg/s with an exhaust speed of 2.55 103 m/s. (a) Calculate the thrust produced by this engine. (b) Find the acceleration the vehicle had just as it lifted off the launch
asked by Shaden on November 5, 2010 
physics
In 1956, Frank Lloyd Wright proposed the construction of a milehigh building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you
asked by Sam on July 16, 2010 
Physics
At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three different directions. As a result, three forces act on the ball, F1, F2, and F3. The magnitudes of F1 and F2 are F1= 50.0 N and F2 = 90.0 N. F1 acts under an
asked by Amy on January 24, 2012 
physics
In 1956, Frank Lloyd Wright proposed the construction of a milehigh building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you
asked by johnny on December 11, 2008 
Physics
A carnival ferris wheel completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at his/ her lowest point on the ride? I understand that 1/f= T which is how you find the period and that minutes must be converted
asked by Kinematics on January 14, 2013 
physics
A mountainclimber friend with a mass of 82 kg ponders the idea of attaching a heliumfilled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics
asked by christy on April 1, 2012 
Chem
Calculate the expected volume of hot water that would be required to dissolve 0.15g of benzoic acid, vanillin, phthalic acid, salicyclic acid? You don't need to do all or any of them. I just need to know what formula to use and what to sub in and I can do
asked by Sam on May 25, 2009 
Physics
At a picnic, there is a contest in which hoses are used to shoot water at a beach ball from three different directions. As a result, three forces act on the ball, F1, F2, and F3. The magnitudes of F1 and F2 are F1= 50.0 N and F2 = 90.0 N. F1 acts under an
asked by Amy on January 23, 2012 
physics
A student is trying to decide what to wear. His bedroom is at 20.0°C. His skin temperature is 36.0°C. The area of his exposed skin is 1.46 m2. People all over the world have skin that is dark in the infrared, with emissivity about 0.915. Find the net
asked by tony on October 19, 2008 
physics
In 1956, Frank Lloyd Wright proposed the construction of a milehigh building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you
asked by johnny on December 6, 2008 
Physics
A carnival ferris wheel completes five turns about its horizontal axis every minute. What is the acceleration of a passenger at his/ her lowest point on the ride? I understand that 1/f= T which is how you find the period and that minutes must be converted
asked by Kinematics on January 14, 2013 
Physics
In 1956, Frank Lloyd Wright proposed the construction of a milehigh building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you
asked by winterWX on February 13, 2007 
physics
In 1956, Frank Lloyd Wright proposed the construction of a milehigh building in Chicago. Suppose the building had been constructed. Ignoring Earth's rotation, find the change in your weight if you were to ride an elevator from the street level, where you
asked by sonam on June 14, 2016 
Business Communication
During a group meeting whrn they are each reading a draft of their formal reports, they realize that sometimes they have used the word "there' correctly and sometimes the word should be "their" They use their word processor's "find" features to help them
asked by terrie on November 24, 2010 
physics
A mountainclimber friend with a mass of 82 kg ponders the idea of attaching a heliumfilled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics
asked by Jim on March 29, 2012 
business
During a group meeting whrn they are each reading a draft of their formal reports, they realize that sometimes they have used the word "there' correctly and sometimes the word should be "their" They use their word processor's "find" features to help them
asked by Anonymous 2 on February 8, 2012 
chemistry
You are given a small bar of an unknown metal, X. You find the density of the metal to be 11.7 g/cm3. An Xray diffraction experiment measures the edge of the unit cell as 5.12 angstroms. Assuming the metal crystallizes in a facecentered cubic lattice,
asked by Anonymous on February 15, 2012 
physics
A mountainclimber friend with a mass of 82 kg ponders the idea of attaching a heliumfilled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics
asked by Kristie on March 28, 2012 
Chemistry
Hi everyone, I really need help with this problem. What is the reactant, products, and what compounds is it? Is it H2O, O2, or what? What are the transition molecules? Help please. Do as below to get to the image. I couldn't put the URL in and it isn't my
asked by Anonymous on June 17, 2012 
sentence stucture
Hello, I'm trying to proofread my 8 page paper and I have come up with some uncertainties about some of my sentence structure. These are the some of the sentences I am not sure are correct or perhaps needs improvement. 1)People most often look for social,
asked by Bizzy on January 19, 2008 
physics
The range of human hearing extends from approxmately 20 HZ to 20 000 HZ. Find the wavelenghts of these extremes when the speed of sound in air is equal to 343 m/s. A dolphin is 25 degrees C sea water emits a sound directed toward the bottom of the ocean
asked by Katie on November 21, 2012 
popular plays in the 1800's
I need to do a small research project on "Popular plays in London, in the 1800's". I looked on google, but they didn't really help me. Does anyone know any websites where I could find some info? If you do, it would REALLY help;) tHaNkS!
asked by pinkpolkadots7 on December 5, 2006 
riddle
The names of 5 trees are hidden in the sentences below. The letters are in consecutive order. Can you find them? 1: Whoever watches the video, a king. 2: Those cause mayhem locks up for the night. 3: Hop in evenings but play at night. 4: When visiting
asked by Katie on July 25, 2018 
Chem
In procedure B2, you will titrate a saturated solution to find out how much of the anion dissolved. Assume you we're able to dissolve about 0.12g of potassium hydrogen tartrate in 25.0 mL of water. For the titration, you will use 10.00mL of this sample.
asked by K on March 8, 2013 
Stats
A random sample of 50 fouryearolds attending day care centers provided a yearly tuition average of 3987, with a population standard deviation of 630. Find the 90 percent confidence interval of the true mean. What is the upper bound of this interval?
asked by Kyle on September 19, 2018 
physics grade 11
Fretta and her brother deucde to visit some friends near a house.they decide to travel along the road and go 250 m(W),360 m(W40degreesN), and then200 m(N).. we need to find :the resultant displacement. hi please help me with this, so far iv figured it out
asked by imran on July 8, 2010 
math
A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions W inches by L inches by cutting out equal squares of side x at each corner and then folding up the sides. (W = 12 in. and L = 20 in). Find the values of x for
asked by tom on February 9, 2013 
SCI 275
o Detailed description of the problem o Nonliving and living factors that contribute to or are affected by the problem o Positive or negative human impacts o Evaluation of current sustainability strategies and solutions Benefits and challenges of your plan
asked by dawn on January 2, 2008 
MATH  HELP ME PLEASE!!!!
A steel plate has the form of onefourth of a circle with a radius of 42 centimeters. Two twocentimeter holes are to be drilled in the plate positioned as shown in the figure in the website. Find the coordinates of the center of each hole.
asked by Help me please! on February 13, 2019 
Science
How do I find the basic information I need to construct a timeline that indicates the first appearance of each of these seedless plants listed below, and describe the animal life that existed at each time, including a brief report on which of those animals
asked by Kassie on March 27, 2009 
Physics
An object having a mass of 25 grams revolves uniformly in a horizontal circle. It is attached by a wire 75 cm long to a pin set in the surface. If the box makes two complete revolutions (1 revolution= .5 seconds) per second, find a) its speed b) tension
asked by Anonymous on April 17, 2018 
physics
Fretta and her brother deucde to visit some friends near a house.they decide to travel along the road and go 250 m(W),360 m(W40degreesN), and then200 m(N).. we need to find :the resultant displacement. hi please help me with this, so far iv figured it out
asked by imran on July 7, 2010 
physics
pleaase help me with this, i'm very bad in physics, and i mostly don't understand any of this stuff...can anyone explain as well as show me how to do this Monochromatic light from a heliumneon laser (wavelength=632.8 nm) shines at a right angle onto the
asked by physics on March 12, 2009 
physics
Fretta and her brother deucde to visit some friends near a house.they decide to travel along the road and go 250 m(W),360 m(W40degreesN), and then200 m(N).. we need to find :the resultant displacement. hi please help me with this, so far iv figured it out
asked by i NEED physics help asap!!! on July 8, 2010 
Psychology/ Human Growth
1. One undesirable change that often occurs during adolescent growth spurt is a(n) a. Dangerous enlargement in heart size b. Change in eye shape, causing nearsightedness c. Increased likelihood of asthma d. Decrease in lung capacity I have a college test
asked by MEGHAT on March 6, 2011 
Physics
Eli went for his driving test in an ice storm. He told the registry tester not to worry. He can negotiate an exit ramp at 35 km/hr that has a radius of curvature of 95m. a) What was his speed in meter/second? b)Find required angle for his banked curve to
asked by Rosie on April 15, 2016 
Finite Math
A company claims that for selling x thousand beanie babies the monthly revenue (in dollars) is given by: R(x)= 290x. The monthly cost function is C(x)=250x + 5,000. Find the breakeven point. Put the answer in context of the problem. (This is part of a
asked by TJLawson on January 29, 2014 
Science Question 2
Having nothing to do with trigonometry, what type of parallaxes use the width of absorption lines to estimate the star's luminosity and size and distance? A.bolometric B.photometric C.spectroscopic D.holographic E.video metric You can find the answer here:
asked by Liz on October 23, 2006 
Math
Using the TI89 Titanium calculator: Find the largest and smallest values of each of the following functions on their given intervals. (I'll show you one) f(x) = 2^x + x^2 [4, 1] I put in the function on the Y= screen as shown, then 4 < x < 1 (it's
asked by Monique on June 24, 2009 
Science
Mk, so my teacher that Urea is $0.017 and so if I wanted 10 grams of it it would be $0.17 right? Ok, plus 1 gram of baking soda which is 15 cents and that equals $0.21 then you have to add the 30 mL of water. Would that get me under the limit $0.25 and 0
asked by Juvia on January 30, 2019 
Applied Calculus
For its beef stew, Betty Moore Company uses aluminum containers that have the form of right circular cylinders. Find the radius and height of a container if it has a capacity of 29 in.3 and is constructed using the least amount of metal. (Round your
asked by Jacob on April 2, 2013 
Maths
A satellite takes 93.8 minutes to orbit the earth. If the diameter of the earth is 12740km approximately and the satellite is at a height of 32km above the earth's surface, find the average speed of the satellite in km/h Working out please
asked by Math's Noob on January 9, 2012 
Physics
A long, straight wire has a uniform linear charge density of 7.50X10^4 C/m. A point charge q=15.0 microcoulombs is located 4.50 cm away from the wire. Find the magnitude of the force exerted by the charge q on the wire.
asked by Angelo on January 31, 2012 
Physics
A long, straight wire has a uniform linear charge density of 7.50X10^4 C/m. A point charge q=15.0 microcoulombs is located 4.50 cm away from the wire. Find the magnitude of the force exerted by the charge q on the wire.
asked by Angelo on January 31, 2012 
math
a trianglar course for a sailing race is marked off by buoys. The first lef is 250 meters longer than the second and the third leg is 100 meters shorter then the first. if the length of the course is 2500 meters, find the length of each length
asked by jack on February 4, 2010 
math
Generalize this to fine a formula for the integral: sin(ax)cos(bx)dx Could someone tell me what they got for an answer so I can check it to see if my answer is right. My answer: 1/2sinasinbx^21/3acosaxcosbx^3+ integral 1/3 a^2cosbx^3sinax..I'm not sure
asked by Jessica on February 25, 2008 
Math
Midtown Antiques collects 4% sales tax on all sales. If total sales including tax are $1058.30, find the portion that is the tax. Round your answer to the nearest cent. A)$40.70 B)$42.33 C)$1017.60 D)$30.70 E) none of the above
asked by Robbie on January 31, 2010 
math
The wholesale cost of a video game is $459.45. The original markup was 51% based on selling price. Find the final sale price after the following series of price changes: a markup of 24%, a markup of 17%, and a markdown of 10%.
asked by bunny on March 24, 2014 
social studies
i was serching for half an hour on iternet and i din't find it specific answers so i think of this site. my question are what did indus valley ate? what did indus valley use as tools? how did indus valley farm ?
asked by anu on December 9, 2009 
Chemistyr 152
Given the following data, what is the value of delta Gf (in kJ) for N2O4 (g) at 25C. N2O4(g)2NO2(g) Keq= 0.144 delta Gf: ? 51.30 I thought of using the equation: delta GRTlnQ I am not sure if that's what I should use to find N2O4 though???? Choose
asked by Car on July 3, 2010 
Chemistry
A monoprotic acid with a Ka of 2.92 × 105 has a partition coefficient of 4.2 (favoring octanol) when distributed between water and octanol. Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 31 mL
asked by Avery on November 15, 2012 
math
The wholesale cost of a video game is $459.45. The original markup was 51% based on selling price. Find the final sale price after the following series of price changes: a markup of 24%, a markup of 17%, and a markdown of 10%.
asked by bunny on March 24, 2014 
consumer math
Ramon, a sales representative for HP computers, is paid $795 per week plus a commission of 2% on sales. His sales last week were $10,560. Find the amount he pays in Medicare taxes for the week. $29.18 $14.59 $62.38 $145.89
asked by lana on October 30, 2017 
math
Suppose that you took out a loan at 7% interest for 192 days. If the amount of interest was $149.33, use the ordinary interest method to find the amount of principal you borrowed. Round to the nearest whole dollar amount. $
asked by tota on March 20, 2014 
Calculus
A fence 5 feet tall runs parallel to a tall building at a distance of 2 feet from the building. We want to find the the length of the shortest ladder that will reach from the ground over the fence to the wall of the building. Here are some hints for
asked by J on July 17, 2013 
Language Arts
In which sentence is the word TRANSLATES used correctly? A. Until Monica translates this message, we won’t be able to understand it.** B. Do you want to go alone when Ron translates across the Atlantic? C. The desk was piled so high with translates,
asked by Laci on February 22, 2016 
Physics
If a 2 m tall man is looking at a plane mirror from an eye which is 20 cm from the top of his head, what is the minimum length that the mirror must be so that he can just barely see his whole body in the mirror? How far up from the ground must the mirror
asked by Brock on February 24, 2009 
marketing management
What are the primary driving forces in the U. S. fast food industry in 2004? i have no idea on how to repond to the question Thanks Read business articles or newspapers in that year. You will likely find that competition was the main ingredient. The
asked by lollicupy on August 16, 2007 
physics
A fireworks rocket explodes at height h, the peak of its vertical trajectory. It throws out burning fragments in all directions, but all at the same speed v. Pellets of solidified metal fall to the ground without air resistance. Find the smallest angle
asked by Anonymous on February 16, 2011 
physics
A fireworks rocket explodes at height h, the peak of its vertical trajectory. It throws out burning fragments in all directions, but all at the same speed v. Pellets of solidified metal fall to the ground without air resistance. Find the smallest angle
asked by eric on February 18, 2011 
physics
A fireworks rocket explodes at height h, the peak of its vertical trajectory. It throws out burning fragments in all directions, but all at the same speed v. Pellets of solidified metal fall to the ground without air resistance. Find the smallest angle
asked by Anonymous on February 18, 2011 
ENGLISH ESSAY
Which one of the sentence would you most likely find in a process essay? A.Lack of disipline in years can create teens that have no sense of purpose. B.First,gather all materials listed under "supplies." C.He walked into the room, holding the package as if
asked by SHAYLA on August 7, 2008 
9th Grade Help Please
Janelle is highly organized and love working to find ways to arrange graphs and data more effectively. She doesn’t handle conflicts with her friends well. She is able to picture solutions to problems vividly in her mind. For which job would she be most
asked by Sid.V on September 18, 2018 
english confused
ive read this story over five times and still don't really get the meaning of bia's dream help plzz RED MESA, Arizona (Achieve3000, July 21, 2007). Although she grew up as a Diné, the term Navajo members use to describe their nation, young Andrethia Bia
asked by jimm on March 12, 2015 
problem solving
Please help me figure out how to solve this problem I have researched and racked my brain and still no luck.I don't think there is enough information givin. Problem In 1054, Chinese astronomers observed the light from a supernova in the night sky. This
asked by lynn on October 17, 2008 
Trig(3 all with work)
1)Find the exact value of cos 105 by using a halfangle formula. A)sqrt 2  sqrt 3 /2 B)sqrt 2  sqrt 3 /2 C)sqrt 2 + sqrt 3 /2 D)sqrt 2 + sqrt 3 /2 cos 105 cos 105 = cos 210/2 sqrt 1 + 210/2 sqrt 1 + sqrt 3/2 /2 sqrt 2 + sqrt 3/2 which is D 2)Find the
asked by Jon on February 15, 2008 
math
Bass: The bass in Clear Lake have weights that are normally distributed with a mean of 2.3 pounds and a standard deviation of 0.6 pounds. (a) If you catch one random bass from Clear Lake, find the probability that it weighs less than 1 pound? Round your
asked by robin on October 26, 2015 
Algebra
1.What is the simplified form of the following expression? 13[6^2€(5^24^2)+9] A.169 B.585*** C.181 D.26 2.What is the simplified form of the expression? 6xyz/2xz A.3 B.3y C.3xyz*** D.3x^2yz^2 3.In a football game. A running back ran for 7 and 5 on
asked by GummyBear on August 31, 2015 
Physics
A 50g mass (M1) will be attached to the trolley M2) and will cause it to accelerate a distance of between .5 to .6m. You also catch the trolley immediately after it has passed through the photogate. The time for the trip will be noted and recorded. The
asked by Tammy on February 23, 2007 
US History  to Ms. Sue
First of all, thank you SO much for clarifying my question! It is part of an overall essay topic that I can't figure out how to answer: Compare and contrast the methods used by late nineteenth century corporations to control competition  especially the
asked by Christine on February 11, 2007 
Math
The systolic blood pressures of the patients at a hospital are normally distributed with a mean of 136 mm Hg and a standard deviation of 13.4 mm Hg. Find the two blood pressures having these properties: the mean is midway between them and 90% of all blood
asked by Juan on October 11, 2009 
Physics
A 1.1 kg book is lying on a 0.77 m high table. You pick it up and place it on a bookshelf 2.3 m above the floor. 1. How much work does gravity do on the book? 2. How much work does your hand do on the book? How do you find work?
asked by falcon306 on August 6, 2011 
PreAlgebra
This is about Reasoning Strategy, I really need help on this, I have a test tomorrow on it! Please help... Ok, here's what it says: 3a. What is the yintercept of the trend line? (What do they mean???) 3b. Locate one other point on the trend line, then
asked by Mathilde on February 20, 2008 
precalculus
find all solutions of each equations a) cos2x=square root of 3/2 b)cos 2theta/3 =1 c) cot 3 theta /2 = square root of 3 d) sin (2xpie/4) = square root of 2/2
asked by ama on July 10, 2012 
statistics
Microfracture knee surgery has a 75% chance of success on patients with degenerative knees. The surgery is performed on 5 patients. Find the probability of the surgery being successful on 3 or 4 patients?
asked by Anonymous on February 23, 2012 
ChemistryRepost
Known: Cyanaocetic acid Ka=3.55*10^3 ionization equation: HC3H2NO2 H^+ + C3H2NO2^ Unknown: pH of 0.4M of Cyanaocetic acid How can I find out the pH of 0.4M of Cyanaocetic acid ? Is there another way solving for it other than using ICE chart? Please help
asked by anonymous on April 21, 2009 
PreCalculus
Find the slope of the tangent line to the curve 2(x^2+y^2)^2=25(x^2−y^2) at the point (−3,−1)? Here's what I did: 2(x^4 + y^4) = 25(x^2y^2) 2x^4 + 2y^4 = 25x^2  25y^2 8x^3 + 8y^3(dy/dx) = 50x  50y(dy/dx) d/dx(8y^3 + 50y) = 50x  8x^3 d/dx =
asked by Ann on November 17, 2013
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