
Math sin/cos
On a piece of paper draw and label a right triangle using the given sides, solve for the unknown side and write the trigonometric functions for angles A and B, if a=5 and c=7. I already found side b which equals 2 sqrts of 6. Now I need to find the sin A
asked by Anonymous on March 10, 2007 
Economics
A market (or industry) demand curve is described by Q = 50 – 0.5 P The firm’s cost function is TC = 10 + 2 Q a. Find the profitmaximizing quantity and price. b. If the industry is regulated in a way that requires it to set P = AC, how much will be
asked by hiten on November 29, 2010 
math
The sum of the 3 angles of a triangle is 180 degrees. In triangle PQR, the largest angle is twice the size of the smallest angle. The remaining angle is 16 degrees larger than the smallest. Write and solve an equation to find the size of the smallest angle
asked by jorge on April 5, 2012 
Science
1) The vector sum of three vectors gives a resultant equal to zero. what can you say about the vectors? 2) Vector is 3.00 units in length and points along the positive xaxis. Vector is 4.00 units in length and points along the negative yaxis.Use
asked by Sandy on November 19, 2009 
Physics
1) The vector sum of three vectors gives a resultant equal to zero. what can you say about the vectors? 2) Vector is 3.00 units in length and points along the positive xaxis. Vector is 4.00 units in length and points along the negative yaxis.Use
asked by Aman on November 19, 2009 
Physics
A Stone Of Mass 1kg Is Dropped From Rest From A Window 20m Above The Ground.Another Stone Of Mass 0.5kg Is Dropped From A Height Of 5m Above The Ground . If Both Stones Are Dropped At The Same Time,find The Time Interval That That Elapses Between The Two
asked by Lawrenty on March 8, 2016 
Math
A fly starts out 2 meters from a light bulb, flies closer to the light then farther away, 2 meters again. At this point the fly goes toward the bulb again but hits the bulb and flies away. Find a function (it may be piecewise) that gives the distance of
asked by Neelambari on November 14, 2012 
Precalculus
An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 4 miles/hour, find the rate at which the area is increasing when the radius is 7 miles. (The area of a disc of radius r is A = πr2.)
asked by Amanda on April 1, 2017 
algebra
Larry Mitchel invested part of his $32,000 advance at 7% annual simple interest and the rest at 6% annual simple interest. If this total yearly interest from both accounts was $2,050, find the amount invested at each. The amount invested at 7% is.... The
asked by lisa on August 27, 2014 
mathematics
A spring with a mass of 4 kg has damping constant 28, and a force of 12 N is required to keep the spring stretched 0.5 m beyond its natural length. The spring is stretched 1 m beyond its natural length and then released with zero velocity. Find the
asked by Marwan on April 24, 2012 
Mathematics
Given solid object is made up of a hemisphere snd a cyinder.the radius of a hemisphere is equal to the radius of a cylinder.The height of a cylinder is 80 cm and the height of the solid object is 94cm.find the total surface area of thst solid object
asked by Bhawana on July 18, 2016 
Math
Mrs Leong took 1 hour to drive 1/5 of a journey from village R to village S.she drove the remaining 180km in 4hr. A) what was Mrs Leong's speed for the first part of the journey? B) how long did she take to travel the whole journey? C) find Mrs Leong's
asked by Da S on March 26, 2012 
algrebra 1
The area of a rectangle is 128 in². If the length is twice the width, what is the length of the rectangle? A) 64 in. B) 16 in. C) 8 in. D) 4 in. The length of a swimming pool is 22 ft. The width is 40 ft. If the volume of the pool is 2,500 ft³, which
asked by AP on February 3, 2011 
algebra
A person’s maximum heart rate is the highest rate, in beats per minute, that the person’s heart should reach. A person’s age added to his or her maximum heart rate is 220. Write and solve an equation to find the maximum heart rate of a 16year old.
asked by Anonymous on August 30, 2012 
Precalculus
Find the values of x and y. Matrices.. [4 2 3 5 3 5 2 3 1] TIMES [2 x 5] EQUALS [9 38 y] It is difficult for me to type the matrices in but.... The first matrix is 3x3 consisting of 4,2,3 in the first row.. 5,3,5 in the second row ......2,3,1 in the
asked by Anonymous on May 21, 2014 
math
a company makes and sells sailboats. The company's cost function in thousands of dollars is C(x)=2x+20, and the revenue function in thousands of dollars is R(x)=4x, where x is the number of sailboats. Find and simplify the profit function, P(x). How many
asked by amy on March 17, 2014 
Geometry
The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both answers to the question, "How many cubes have at least 2 sides painted blue?" and "How many cubes have at least 1 side painted
asked by Cathy on January 24, 2015 
math
A spring with a mass of 4 kg has damping constant 28, and a force of 12 N is required to keep the spring stretched 0.5 m beyond its natural length. The spring is stretched 1 m beyond its natural length and then released with zero velocity. Find the
asked by Marwan on April 24, 2012 
Physic
1. Evaluate dF/dr when r=10,000, given that F= GmM/(r^2) and that F decreases by 3N/m when r=20,000. 2. The lowest point of a 5 meter long ladder is pulled away from a wall at 0.3 meters/sec. Find the rate at which the angle between the ladder and the wall
asked by Anonymous on March 15, 2015 
math, algebra
2a+2ab+2b I need a lot of help in this one. it says find two consecutive positive integers such that the sum of their square is 85. how would i do this one i have no clue i know what are positive integers.but i don't know how to figure this out. Let n be a
asked by sana on January 26, 2007 
Physics
An athlete finished the 100 meter race in 10sec. What was his average speed? acceleration? Acceleration time? Acceleration distance Help with few questions already got the already got the first two V=d/t =100m/10s =10m/s and Acceleration= VfVi/t
asked by Qin on July 22, 2017 
Math HELP!
Find the distance from the ferris directly to Butte. The picture is of an right triangle. On the left side length is has 42 mi. on the bottom of the triangle it has 56 mi. on the right side there is not number and at the top corner of the triangle it says
asked by Anonymous on October 22, 2014 
Math
Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pulll, a sock is removed from the drawer and is not replaced. find the probability of drawing a yellow, black, and white sock in that
asked by Meme on January 21, 2015 
math
You are running a fuel economy study. one of the cars you find is blue. it can travel 35 1/2 miles on 1 1/4 of gasoline. Another car is red. It can travel 27 1/5 on 4/5 gallon of gasoline. What is the unit rate for miles per gallon for the blue car? what
asked by kyle on September 10, 2014 
stats
The standard deviations s for the annual medical costs 30 heart disease patients was found to equal $1005. Find a 95 % confidence interval for the standard deviation of the annual medical costs for all heart disease patients.
asked by chris on March 31, 2013 
Physics
A coordinate system (in meters) is constructed on the surface of a pool table, and three objects are placed on the table as follows: a 5.0 kg object at the origin of the coordinate system, a 12.0 kg object at (0, 2.0), and a 16.0 kg object at (4.0, 0).
asked by Anonymous on November 24, 2010 
trigonometry
A plane flies due south from an airport for 92 miles, and then turns and goes S63°W for 50 miles. How far is the plane from the airport (to the nearest tenth of a mile)? What direction is the plane from the airport (to the nearest tenth of a degree)?
asked by Crystal on March 7, 2016 
Physics
Three resistance of 8,12, and 24 ohms are in parallel. This combination is in series with another parallel of 10,10, and 20 ohms. The whole combination is then connected to a battery of 16.6 volts. If the current through the 20 ohm resistor is 0.4 amperes.
asked by Mycah on March 13, 2017 
Maths
The ratio of the number of adults and children during the performance is adults : children = 3:2 .For this performance find the ratio total cost of an adult tickets : total cost of a child tickets. give your answer in its simplest form
asked by Anna on June 27, 2016 
Math: Geometry
The bases of trapezoid $ABCD$ are $\overline{AB}$ and $\overline{CD}$. We are given that $CD = 8$, $AD = BC = 7$, and $BD = 9$. Find the area of the trapezoid. [asy] unitsize(1 cm); pair A, B, C, D; A = (1,2); B = (3,2); C = (4,0); D = (0,0);
asked by I see you have graph paper. You must be plotting something. on November 19, 2015 
math
There were 15.37 million licensed drivers in Texas in 2009 and 14.54 million in 2004. Find a formula for the number, N, of licensed drivers in the US as a function of t, the number of years since 2004, assuming growth is (a) Linear N(t)= million drivers
asked by Anonymous on February 20, 2015 
Physics
When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4Hz. Find the ratio m2/m1 of the
asked by Leanne on November 13, 2011 
Math
Without looking, George pulls socks from a drawer containing 2 white socks, 3 black socks, and 5 yellow socks. With each pull, a sock is removed from the drawer and is not replaced. Find the probability of drawing a yellow, black, and white sock in that
asked by Zion on March 28, 2016 
maths
John wishes to determine the height of a flagpole. He takes a sighting of the top of the flagpole from point P. He then moves further away from the flagpole by 20 metres to point Q and takes a second sighting. Given the angle Q is 28 degrees and angle P is
asked by Shane on June 7, 2014 
Physics
When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4Hz. Find the ratio m2/m1 of the
asked by Leanne on November 13, 2011 
physics
a 2646lb car is moving on the freeway at 69 mph. (a) Find the magnitude of its momentum and its kinetic energy in SI units. (b) At what speed, in m/s, will the car's momentum be half of what it is in part (a). (c) At what speed, in m/s, will the cats
asked by chyenne on January 22, 2016 
History!!
PLEASE PLEASE PLEASE HELP ME!!
asked by Marie on October 1, 2013 
Grammar
Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what they can to restore peace. I know it is important,
asked by Cara on August 29, 2010 
College Algebra
You have a credit card with a balance of $3000. Each month the minimum payment is 2.5% of the balance. The monthly interest rate is 1.5% of the balance. You decide you would like to pay off this card by making the minimum payment each month. You cut up the
asked by Tyler on December 1, 2015 
Calculus
Graph the curve and find its exact length. x = e^t + e^t, y = 5  2t, from 0 to 3 Length = Integral from 0 to 3 of: Sqrt[(dx/dt)^2 + (dy/dt)^2] dx/dt = e^t  e^t, correct? dy/dt = t^2  5t, correct? So: Integral from 0 to 3 of Sqrt[(e^t  e^t)^2 +
asked by COFFEE on June 13, 2007 
statistics
In a sample of 100 steel wires the average breaking strength is 50 kN, with a standard deviation of 2 kN. a. Find a 95% confidence interval for the mean breaking strength of this type of wire. b. An engineer claims that the mean breaking strength is
asked by Don't get it!! :( on October 29, 2011 
inter Algebra
A start up computer company can sell 1000 computers if they price them at $500. The number sold will increase by 10 for every $1 decrease in the price. The company has fixed costs of $100,000, and each computer costs $300 to produce. Find the price that
asked by linda on November 14, 2010 
Math (PLEASE HELP!)
A ferris wheel has a radius of 13 m. It rotates once every 24 seconds. A passenger gets on at the bottom of the wheel from a ramp which is one metre above ground level. a) If the height of the passenger is measured from the ground, determine an equation
asked by Anonymous on July 13, 2016 
Biology URGENT!!!!!!!!!
I can't find how Acrasiomycota and Myxomycota excrete and circulate. I have tried wikipedia and every other thing i could think of. Please Help. http://www.factmonster.com/ce6/sci/A0845543.html http://www.infoplease.com/ce6/sci/A0845543.html
asked by Amanda on April 2, 2007 
math 118
The price of a small cabin is $30,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20year fixed at 10% or 30year fixed at 10%. Calculate the amount of interest paid for each option. How much does the
asked by Jasmine on May 4, 2017 
Math/209
Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out square corners of length x and folding up the sides. (a) Write an expression that gives the surface area of the inside of the box.
asked by Shay on March 12, 2013 
Physics
In a hydraulic lift, the radii of the pistons are 2.93 cm and 10.1 cm. A car weighing W = 11.0 kN is to be lifted by the force of the large piston. (a) What force Fa must be applied to the small piston? N (b) When the small piston is pushed in by 10.4 cm,
asked by Akbar on April 9, 2012 
math
The price of a small cabin is $55,000. The bank requires a 5% down payment. The buyer is offered two mortgage options: 20year fixed at 7.5% or 30year fixed at 7.5%. Calculate the amount of interest paid for each option. How much does the buyer save in
asked by jessica on September 25, 2015 
algebra
suppose a market research company finds that a price of p=$22, they would sell x=42 tiles each month. If they lower the price to p=$12, then they would purchase the tile and they can expect to sell x=52 tiles in a month. Find the equation of the line for
asked by debby on January 8, 2012 
statistics
For this class, the first quiz had a mean of 90.4% with a standard deviation od 16.6%. The homework scores have a mean of 81.7% with a standard deviation of 22.28%. Suppose you scored 90% on quiz one and have a homework total of 84%. A)are the reported
asked by lauren on February 17, 2008 
Finite Math
John has three coins in his pocket. One is fair, one has two heads, and the third is unbalanced, showing head 60% of the time. John grabs a coin at random and tosses it. Find the probability that: 1) The coin shows a head 2) The coin is regular, give that
asked by Preet on July 21, 2012 
Math
Earth is represented on a map of a portion of the solar system so that its surface is the circle with equation x squared + y squared + 8x + 6y  3575=0. A weather satellite circles 0.4 unit above Earth with the center of its circular orbit at the center of
asked by Anonymous on October 2, 2015 
Physics
A 20% efficient real engine is used to speed up a train from rest to 7.0 m/s. An ideal (Carnot) engine using the same cold and hot reservoir would accelerate the same train from rest to a speed of 8.0 m/s using the same amount of fuel. The cold reservoir
asked by Anonymous on June 16, 2016 
Physic
You hold a uniform, 26.0g pen horizontal with your thumb pushing down on one end and your index finger pushing upward 3.2 cm from your thumb. The pen is 13.9 cm long. Find the two forces. Force of Finger (Answer: 0.553N) Force of Thumb (Answer: 0.299N)
asked by Anonymous on April 30, 2014 
Math
A ferris wheel is 30 meters in diameter and boarded in the six o'clock position from a platform that is 10 meters above the ground. The wheel completes one full revolution every 10 minutes. At the initial time t=0 you are in the twelve o'clock
asked by Elizabeth on December 10, 2012 
Math
Mrs. Fields bought a sapling from a tree farm nursery and observed a linear growth of the sapling over a period of 6 months. She found the height of the sapling, H centimeters, and the time, t months is related by the linear equation H=2(4+3t) a) write an
asked by Kate on September 26, 2017 
Math (PLEASE HELP!)
A ferris wheel has a radius of 13 m. It rotates once every 24 seconds. A passenger gets on at the bottom of the wheel from a ramp which is one metre above ground level. a) If the height of the passenger is measured from the ground, determine an equation
asked by Anonymous on July 13, 2016 
Math
You order sixteen burritos to go from a Mexican restaurant: seven with hot peppers and nine without. However, the restaurant forgot to label them. If you pick four burritos at random, find the probability that at least two of the burritos you pick have hot
asked by 0zz on April 14, 2015 
chemistry
When 0.320 moles of NH4Cl is dissolved in 1.00 L of water, the temperature drops by 13.7 degrees C. What is the heat of solution of ammonium chloride? The solution has a density of 1.0012 g/mL and a specific heat of 0.9818 cal/g degrees C. How do you find
asked by anita on April 7, 2010 
trig
Bob is driving along a straight and level road straight toward a mountain. at some point on his trip he measures the angle of elevation to the top of the mountain and finds it to be 23 degrees 42 minutes. he then drives 1 mile more and measures the angle
asked by premadonna on September 12, 2010 
Algebra
Solve the following linear inequality graphically. x+2y
asked by Graphing Help! on June 3, 2007 
statistics
A 4 to 7 month old baby sleeps an average of 14 hours per day. At this age, babies sleep patterns follow normal distribution with the standard deviation of 1.6 a) is it unusual for a baby to sleep under 12 hours a day? b) In a random sample of 10 babies of
asked by adriana on November 30, 2014 
particles of dynamics
A particle is released on the smooth inside wall of cylinder tank at A with velocity v0 which makes an angle β with horizontal tangent. The radius of the tank is r. Find the maximum height above point A reached by the particle, the magnitude of the
asked by shwetal on February 25, 2016 
physics
A passenger on a stopped bus notices that rain is falling vertically just outside the window. When the bus moves with constant velocity, the passenger observes that the falling raindrops are now making an angle of 18 with respect to the vertical. What is
asked by cassie on September 5, 2011 
Physics
An ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a horizontal string of length L. The tension in the string is T Find the mass of the puck when the length of the string is 2.2m , string tension is 5.0N , and the
asked by James on March 20, 2014 
Math.
How do you find the slope of this inequality (to graph it) x/1485>6? The first thing to do is to determine what type of equation it is and what the solution set is. This is an inequality in one variable so it will only be some subset of the xaxis. We're
asked by Mel on September 7, 2006 
Science AZ
Define what is meant by the terms initiative and referendum as they are used in the Arizona Constitution. Please check the Government definition of "initiative" in this online dictionary. http://dictionary.reference.com/browse/initiative Then click the
asked by MIA on August 1, 2007 
Last Question Physics.
A diagram represents a 5 N force to the North and a 12 N force East acting on an object P of mass 6.5kg. The Magnitude of the Net Force is 13 N  The direction it accelerates is 23 degrees North of East. FIND: (A) If the object has an intial speed of 8
asked by arcos15 on October 9, 2012 
Physic
A bullet strikes a ballistic pendulum whose target block has a mass of 4kg. The block is observed to rise a distance of 3cm, and the bullet is weighed and found to have a mass of 20g. What is the speed of the bullet when it strikes the block? (Answer:
asked by Anonymous on April 22, 2014 
Calculus
A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the width of the rectangle.) If the perimeter of the window is 30ft, find the dimensions of the window so that the greatest possible
asked by Anonymous on November 5, 2011 
Trigo
Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx. I don't know what i'm supposed to do, and i don't come to an answer! Help, thanks! my workings: tan(45+x)= (1+tanx)/(1tanx) a/b = (1+tanx)/(1tanx)
asked by Marrion on September 26, 2009 
PROBLEM SOLVING IN MATHEMATICS
you have 13 bags of gold wins. out of 13 bags gold coins, there is one bag gold coins lighter. assume that one real gold coins is 10g and the fake is 9g. now, you are given a electronic beam balance. find the most minimum ways to figure out which bag of
asked by alya on October 1, 2011 
Math Still Don't Understand!
I do not understand how to work this problem out. I have a series of other questions that are similar, and it would really help me out if someone could help me understand how to work this problem. At the first tricity meeting, there are 8 people from town
asked by Janet on December 5, 2009 
math
The diameter of a hydrogen atom is about 5×10^11 meter. Suppose 8.4×10^8 hydrogen atoms were arranged side by side in a straight line. Multiply these numbers to find the length of this line of atoms. What is the length in scientific notation?
asked by Claire on May 19, 2016 
physics
in a making a graph showing the stretch of a spring: Plot a graph of force vs. stretch. Find the slope. The Slope of the graph is called the spring constant. 1)What does the slope of the graph tell you? 2) If someone had a graph with a slope twice as steep
asked by Kriti on March 16, 2011 
PROBLEM SOLVING IN MATHEMATICS
you have 13 bags of gold wins. out of 13 bags gold coins, there is one bag gold coins lighter. assume that one real gold coins is 10g and the fake is 9g. now, you are given a electronic beam balance. find the most minimum ways to figure out which bag of
asked by alya on September 30, 2011 
Trigonometry
Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b in terms of sinx and cosx. I don't know what i'm supposed to do, and i don't come to an answer! Help, thanks! my workings: tan(45+x)= (1+tanx)/(1tanx) a/b = (1+tanx)/(1tanx)
asked by Marrion on September 27, 2009 
physics
in a rocket launching, the height h meter, the rocket reaches after t sec for the moment it was launched is given by h=xtyt the rocket altitude after 2 sec is 40 metres, and after 3 sec is 45 metres. a. find x and y b. altitude rocket after 5 sec
asked by andhryn on January 2, 2011 
Math
A pyramid is inscribed in a cube whose volume is 52pi cm^3. The volume of a sphere is equal tpo the volume of this pyramid. Find the volume of a second cube whose edge is equal to the radius of the sphere.
asked by Eli on May 30, 2011 
Integrals Log/Ln
Can you check this please i'm not sure why it's wrong .__. 1) indefinite integral of 1/t *ln(t) dt the t*ln(t) is altogether on the bottom i got ln(ln(x)) + C 2) find the indefinite integral of 1/(sqrt(t)*[12*sqrt(t)]dt sqrt(x) is on the bottom. i got
asked by Erika on May 24, 2013 
science
An ant travelled along the vector a whose magnitude is 10 meters and direction is 45 degree to horizontal and then moved along vector b whose magnitude is 9 meters and direction is 0 degree with horizontal . Find its displacement
asked by parveez on August 24, 2015 
physics
A stone projected at angle alpha with plane inclined at angle theta find relation between alpha and theta if stone hit at right angke with the inclined plane?
asked by vaib on February 20, 2015 
prob. statistics
a survey indicates that 41% of women in the us consider reading as their favorite leisure time activity. you randomly select 4 women and ask them if reading is their favorite leisure time activity. find the probability that exactly 2 of them said yes
asked by tiffany on December 13, 2010 
Voltage
If a transformer has 3,000 loops in its primary coil and 1,500 loops in its secondary coil, how do I find the voltage in the secondary coil if the voltage in the primary coil is 120V? Is there a formula? HELP, please!
asked by Lynda on April 19, 2010 
present value
The present value P that will amount to A dollars in n years with interest compounded annually at annual interest rate r, is given by P = A (1 + r) ^n. Find the present value that will amount to $50,000 in 20 years at 8% compounded annually.
asked by Don on July 14, 2008 
math
a 17 foot piece of string is cut into two pieces so that the longer piece is 5 feet longer than twice the shorter piece. If the shorter piece is x feet long, find the lengths of both pieces.
asked by mandy on December 12, 2012 
Math
Find 2 tangent line equations to the curve y=x^3+x at the points where the slope of the curve is 4. What is the smallest possible slope of the curve? At what xvalue(s)does the curve have this slope? So far I have figured out the derivative of this
asked by Dave on October 5, 2016 
Math
write a function rule for the area of a rectangle or picture frame that has a width of 22 in less than its length use the function rule to find the area of the picture frame the length is 39 inches
asked by Math on March 7, 2017 
algebra
Plan A cost 30 per year and 2.00 per game. Plan B cost 75er year and 0.50 per game Write a linear equation to find the cost of option A is equal to the cost of option B.
asked by dallia on January 18, 2012 
Math
There are 9 red gum balls, 5 green gum balls, 8 yellow gum balls, and 8 blue gum balls in a machine. Find P(green, then yellow) A. 40/900 B. 5/30 C. 8/30 D. 40/870 Is the answer D? Thank you
asked by Sonali on April 8, 2015 
maths
From a point P on the ground the angles of elevation of the top of the building and of a helicopter, hovering at some height over the top of the building, are 30 degree and 60 degree, respectively. Find the height of the helicopter above the ground
asked by Cute girl on October 11, 2016 
Math (Algebra)
How do I find the greatest common factor of a polynomial? When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient and can it ever be smaller than the smallest coefficient? Please explain.
asked by Lynn on July 26, 2010 
Geometry Question number 4
If I have BC = 2x + 1, CD = 3x  4 and BD = 22,how do I find the value of x? Do you have a triangle? What kind of triangle is it? Your question is incomplete. Or is this part of a question? It looks like a question I have seen before where the first part
asked by Jim on July 25, 2007 
chemistry
Calculate the change in entropy (ΔS˚) of reaction (J/K) for the equation as written. BaCO3(s) → BaO(s) + CO2(g) Table: S° (J/(K mol)) BaCO3(s) = 112 BaO(s) = 70.3 CO2(g) = 213.7 So the answer is 41.7 I thought to find the entropy of reaction you
asked by Carter on February 23, 2013 
Chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 450C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at
asked by CHEMHELP..BOB on April 24, 2011 
Chemistry
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg. If the flask is immersed in a water bath at 450C, the total pressure is 980 mm Hg. The vapor pressure of ethanol at
asked by CHEMHELP..BOB on April 24, 2011 
math
A profit function is derived from the production cost and revenue function for a given item. The monthly profit function for a certain item is given by P(x)=−0.05x2+500x−100,000, where P is in dollars and x is the number of units sold. 19a. How many
asked by Kenny on August 6, 2016 
Algebra II
Find the solution if possible. If there is not enough information to solve the problem or if it has no solution, say so. If extra information is given, identify it. 14. A collection of 30 coins worth $5.50 consists of nickels, dimes, and quarters. There
asked by Emily on August 24, 2008 
Chem
Naturally occurring cobalt consists of only one isotope, cobalt59, whose relative atomic mass is 58.9332. A synthetic radioactive isotope of cobalt60, relative atomic mass 59.9338, is used in radiation therapy for cancer. A 1.8155 sample of cobalt has an
asked by Aidan on August 29, 2011 
math
Find the slope and the intercepts of each line. g(x)=54x1 x=3 Help please! :) g(x)=54x1 x=3 I am assuming that you are trying to determine the value of g(x) when x equals 3. If g(x)=54x1 , then g(3)=54(3)1 Evalute and you have your answer. No,
asked by Maria on September 23, 2006
Pages
 1
 2
 3
 4
 5
 6
 7
 8
 9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934