
programming
1. Suppose that you want to search for a friend, ‘S’, telephone number in a phone book. List the steps taken if you use binary search. Illustrate with the list of alphabets ignored during the search by crossing them. (Example – Step 3 – Ignore
asked by juju on May 6, 2014 
Calculus
Find the rate of change of f(x,y,z) = xyz in the direction normal to the surface yx^2 + xy^2 + yz^2 = 75 at (1,5,3). I keep getting this wrong and I don't know what I did right. The answer's 147/sqrt(101) but I got 357/sqrt(1361). Is my method right? Or
asked by . on July 19, 2019 
CJS230
Will someone please help me find a resourceful webiste to answer the following questions? What is an example of a state prison system? How might you explain the growth of state prisons? How can U.S. corrections professionals solve the problem of
asked by Sade C on June 22, 2012 
English
1. I find it is good that he likes helping poor people. 2. I believe it is good that he likes helping poor people. 3. I think it is good that he likes helping poor people. 4. I consider it is good that he likes helping poor people. 5. I guess it is good
asked by rfvv on November 2, 2016 
Math
The diameter of a basketball rim is 18 inches. A standard basketball has a circumference of 30 inches. What is the distance between the ball and the rim in a shot in which the ball goes exactly in the center of the rim? Show your work. First I must find
asked by Mace on May 1, 2018 
Calculus
a solid has as its base the region bounded by the curves y = 2x^2 +2 and y = x^2 +1. Find the volume of the solid if every cross section of a plane perpendicular to the xaxis is a trapezoid with lower base in the xyplane, upper base equal to 1/2 the
asked by James on August 29, 2017 
general chemistry II
a solution of a metal ion has a molar absorptivity (E) of 75M^1 at 450 nm. a 10mL sample of this solution was withdrawn and diluted to 250mL. from this diluted solution, a 5 mL sample was withdrawn and diluted to 100 mL. the absorbance of the final
asked by libby on June 6, 2018 
Calculus (Volumes)
A solid has as its base the region bounded by the curves y = 2x^2 +2 and y = x^2 +1. Find the volume of the solid if every cross section of a plane perpendicular to the xaxis is a trapezoid with lower base in the xyplane, upper base equal to 1/2 the
asked by Peterg on August 29, 2017 
11th garde physics
A grocery cart with a mass of 18 kg is pushed at constant speed along an aisle by a force F = 12 N. The applied force acts at a 20° angle to the horizontal. Find the work done by each of the forces on the cart if the aisle is 17 m long. a)work done by the
asked by Luricela on February 13, 2010 
Math Word Problem
A cross section of a nuclear cooling tower is a hyperbola with equation x^2/90^2y^2/130^2=1. The tower is 450ft tall and the distance from the top of the tower to the center of the hyperbola is half the distance from the base of the tower to the center of
asked by John on April 29, 2009 
Calculus
1. The expression dy/dx = x(cube root (y)) gives the slope at any point on the graph of the function f(x) where f(2) = 8. A. Write the equation of the tangent line to f(x) at point (2, 8). y'=x∛y The tangent line at (2,8) is thus y8 = 4(x2) B. Write an
asked by Wallace on April 23, 2019 
mathematics
What is the solution for this? The surface area of a sphere varies in direct proportion to the square of its radius. If a sphere of radius 6cm has a surface area of 452 square cm, find, to the nearest mm, the radius of a spherewith the surface area 1000
asked by Richelle on October 29, 2011 
Physics
A 10 kg ball moving due west at 2m/sec collides with a 4kg ball that is moving due east at 3 m/sec. You determine that immediately after the collision the 10 kg ball is moving due west at 0.57 m/sec. How do I set up the equations to find the answer?
asked by Christina on October 26, 2010 
Managerial Economics
I've been trying to find a solution to this without much success. I am given the following....The production engineers at Impact Industries have derived the expansion path shown in the following figure. The price of labor is $100 per unit. There is a graph
asked by Ed on July 15, 2007 
physics
. A small statue in the shape of a falcon has a weight of 24.1 N. The owner of the statue claims it is made of solid gold.When the statue is completely submerged in a container brimful of water, the weight of the water that spills over the top and into a
asked by Nathan on December 13, 2009 
Physics
A horizontal pipe is shown and has an area of 40.0 cm2 in wide areas and 10.0 cm2 in narrow areas. It is also connected to a U shaped tube filled with mercury. water is flowing through the pipe at a rate of 5.00 L/s. Find (a) the flow speeds at the wide
asked by Francis on April 24, 2017 
Legal Rights
Can someone point me in the right direction on where to find this answer? After discharging Brewster as his collection agent, Wayne hires Graham to collect his accounts. Graham, new to the collection business, is unaware of the proper procedure. He places
asked by Giovanna on February 12, 2015 
physics
An electron is a subatomic particle (m = 9.11 x1031 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.11 x 105 m/s to a final velocity of 1.67 x 106 m/s while traveling a distance of
asked by Natasha on March 10, 2012 
physics
A plane progressive wave is represented by the wave equation: y=0.1sin(200 ðt20ðx/17) Where y is in millimetres, t is in seconds, and x is the distance from a fixed origin, O, in metres. Find: The frequency of the wave The wavelength of the wave The
asked by rare on May 11, 2013 
Math
) If you are standing near the edge of the top of a 200 ft. building and throw a ball vertically upward it will be modeled by the function 𝑠(𝑡) = −16𝑡2 + 64𝑡 + 200 where s(t) is the balls height above ground in feet and t is seconds after the
asked by Kevin on December 4, 2014 
math
A random sample of 16 midsized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3. (a) Assuming that the kilometers per liter given by all midsized cars have a normal distribution, find a 99%
asked by Kapaki Katea on April 26, 2016 
Physics
A rocket launched from earth with a rest mass of 150,000Kg moves at 2.8x10^8 m/s during a voyage that takes 1.3 years, according to a clock on board the rocket. a) Using relativity, calculate how long the voyage would take, from earth's reference frame. b)
asked by Dani on September 9, 2018 
statistics
A random sample of 16 midsized cars tested for fuel consumption gave a mean of 26.4 kilometers per liter with a standard deviation of 2.3. (a) Assuming that the kilometers per liter given by all midsized cars have a normal distribution, find a 99%
asked by Angee on October 25, 2014 
greatest events after 1987
List five events which have occurred after 1987 that you feel have most markedly altered your economic/technical future. i have to come up with five things but i'm stuck. i'm researching on the internet but i can't find anything. telephones and electricity
asked by julie on November 17, 2007 
maths
radius (r) of a cicrlce is divided into 10 equal sections. The area of the circle = sum of the areas of the pieshaped sections. We can estimate the area of the circle by thinking of each pieshaped piece as a triangle with base B and height H. The area of
asked by rajkaur on January 4, 2019 
physics
An enemy plane is flying horizontally at an altitude of 2.0km with a speed of 340m/s.An army man with anticraft gun on the ground sight the enemy with a muzzle speed at 60m/s .when the enemy plane is directly overhead.find a)at what angle from the
asked by henro on January 16, 2016 
Calculus
Find the exact area of the region enclosed by the square root of (x) + the square root of (y) is = 1; x = 0 and y = 0. I moved the first equation around to get: y = [1 the square root of (x) ] ^2 Unfortunately, this gives me bounds from 1 to 1. So I'm
asked by Mike on April 20, 2007 
Math
Hey, Ms. Sue, or anybody that is apart of this association. I already tried reviewing this answer, but I didn't seem to get anything. I'm clueless over this answer, so.. Can you please help? I've been stuck on this, and nobody wants to help me. This is the
asked by I don't give my real name. But it's Lexi for short on January 22, 2015 
Chemistry
What is the percent yield of the reaction below if 2.23g of hydrogen gas react with 55.3 g of iodine to produce 43.1g of HI. use the equation below: H2+I2=2HI the answers: a) 21.8 b) 77.3 c) 33.7 d) 87.1 I started by trying to find the limiting reagent. I
asked by John on March 22, 2016 
Physical science
Athlete runs twice round the circular athletics track. The track has a total length of 320 m and a diameter of 100 m. Make a scale drawing of the track. Use a scale of 1 cm represents 10 m. Taking the start as point 1, find both the athlete's distance and
asked by Khanyisa on January 30, 2011 
Spanish History..?
One spanish explorer landed on ____ street in St. Petersburg. A plaque marks the arrival of ____ in (date) ____ located at Abercrombie Park. Name two ways one might know that an influx of immigrants lives in the area. Where can one find a statue of
asked by Deborah on September 7, 2009 
physics
A light spring with force constant 3.85 N/m is compressed by 5.00 cm as it is held between a 0.250 kg block on the left and a 0.500 kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push them
asked by Jessi on February 24, 2009 
Math!
Dalya is considering two offers on a property that she is willing to sell. Mr.Wangs offer is $65000 payable immediately. Ms.Macrae's offer is for $13,000 down and $58000 payable in two years. a) Which offer has the greater economic value if Dalya can earn
asked by Thara! on March 20, 2010 
Dynamics
The rod of the fixed hydraulic cylinder is moving to the left with a speed of 100 mm/s and this speed is momentarily increasing at a rate of 400 mm/s each second at the instant when sA = 425 mm. Determine the tension in the cord at that instant. The mass
asked by Anonymous on April 1, 2017 
math
Uniform rod AB with end B resting against rough vertical wall. Coefficient of friction between wall and rod is μ. Rod is 2m long and has mass 3kg. Rod is kept in limiting equilibrium by a light inextensible string, one end of which is attached to the end
asked by Michael on April 23, 2014 
Math(Probability)
An environmental survey contained a question asking what respondents thought was the major cause of air pollution in this country, giving the choices “automobiles,” “factories,” and “incinerators.” Two versions of the test, A and B, were used.
asked by Alex on May 4, 2011 
Math
An environmental survey contained a question asking what respondents thought was the major cause of air pollution in this country, giving the choices “automobiles,” “factories,” and “incinerators.” Two versions of the test, A and B, were used.
asked by Traxx on May 4, 2011 
chemistry
Hey, I'm struggling a bit with this thermal energy question: One major cost in the brewing history is the cost of energy used in running a plant. Much of the heating plant is accomplished by the cooling and or condensing of steam. When 50.0 mg of griest is
asked by Yana on March 21, 2015 
question
how can i find free scholar ship for me i am social department if u can help me plz feel free to connect me thanks much Please talk with your high school guidance counselor about college scholarships. She or he will want to know what your career goals are
asked by asmaa on October 20, 2006 
physics
A playground carousel (“merrygoround”) is free to rotate frictionlessly in the horizontal plane (and air resistance is negligible). Without riders, the carousel has a moment of inertia of 152 kg·m2. But there is a single rider, initially standing
asked by becca on November 1, 2010 
Quantitative Literacy  MAT106
In this assignment, look for and provide two advertisements that you think contain logical fallacies. Use any advertisement that you can find in magazines, on television, or from the Internet for this assignment. Your two examples must represent two of the
asked by Minty on November 8, 2013 
PhysicsPlease check
I posted this question this morning but I'm not sure of the response Damon provided. If you were in a rotor style ride and the riders accelerate until the speed of ride is reached if the radius of the cylinder is 5.0m and the coefficient of friction
asked by Joey on December 7, 2010 
Algebra please help!
I'm very confused with what I'm learning about right now. We are kind of talking about slopes, functions, graphs, etc. Today, my teacher taught about midpoint and distance, and did not explain very well at all. Would someone please explain to me how to
asked by Celina on December 10, 2008 
Physics
The drawing shows a circus clown who weighs 750 N. The coefficient of static friction between the clown’s feet and the ground is 0.630. He pulls vertically downward on a rope that passes around three pulleys and is tied around his feet. What is the
asked by KS on April 8, 2015 
history
i'm not sure where to find the answer to this question, I've searched google,..but it gives too much irrelevant information.please help what led the government to evacuate Japanese Americans from the West Coast? a. longheld prejudice, and fears inflamed
asked by history on March 31, 2009 
Business communication
can someone help me to correct it? this message address to international employee. Message intend to announce a revenue drop caused by intensive competitive pressure Howdy guys! Shouldn’t surprise anyone that we took a beating this year, given the insane
asked by Artem on January 27, 2014 
Geography.
Explain how each of thse affect climate. latitude ocean currents winds and air masses elevation(altitude) relief(mountain barriers) nearness to water Please help. I need straight forward answers. I read some info online about these...but I do not
asked by Kim on May 9, 2007 
physics
A solid uniform 45.0 kg ball of diameter 32.0 cm is supported against a vertical frictionless wall using a thin 30 cm wire of negligible mass. (a) make a free body diagram for the ball and use it to find the tension in the wire and (b) how hard does the
asked by L on June 11, 2010 
Statistics
During a national debate on changes to health care, a cable news service performs an opinion poll of 570 smallbusiness owners. It shows that 72 percent of smallbusiness owners do not approve of the changes. (a) Develop a 90 percent confidence interval
asked by Nathalia on October 30, 2011 
physics
Two speakers are separated by distance d1 = 2.40 m and are in phase. You are standing 3.00 m directly in front of one speaker. Each speaker has an output power of 1.20 W. Because the speakers are at different distances, there will be frequencies at which
asked by Anonymous on October 11, 2011 
physics
You and a friend are playing a game of squirtgun tag in a maze. Suddenly you see your friend's image in a small planar mirror. You take a shot over the barrier in front of you and find that your friend is just at the end of the 7.0 m range of your squirt
asked by cate on May 7, 2011 
statistics
A line of regression y = 1,240 + 7.07x is the best fit line for a set of data comparing airfare with 30 days notice and oneday notice. Find the best predicted cost of a ticket purchased one day in advance given that the cost of the ticket is $300 if
asked by maczindahouse on May 16, 2019 
statistics
a line of regression y =1.240 +7.07x is the best fit line for a set of data comparing airfare with 30 days notice and oneday notice. find the bestpredicted cost of a ticket purchased one day in advance given that the cost of the ticket is $300 if
asked by shay on March 15, 2019 
p
The displacement of a block of mass 778g778g attached to a spring whose spring constant is 38N/m38N/m is given by x=Asin(ωt)x=Asin(ωt) where A=25cmA=25cm . In the first complete cycle find the values of xx and tt at which the kinetic energy is equal to
asked by kara on February 13, 2017 
Math
Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still
asked by Anonymous on February 6, 2011 
Maths
The probability that Don's car passes the MOT test next time is 4/5, that Mag's car passes is 5/7 and that Joe's car passes is 1/2. Find the probability that a)all three will pass b)just two out of the three will pass c)no car passes? (might need a
asked by Anonymous on February 4, 2008 
math
A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter. 3x4+7x+10= 3x+7x=10x −4+10= 14 10x+14 that is my answer please help You just added two sides, a rectangle has four sides. So the perimeter should be twice
asked by susie on June 29, 2007 
really need some help with this
i need some help on this question a diamond cutter has a raw diamond that weighs 19.5 carats and from which two 5carat diamonds will be cut. i need to find out how much the raw diamond weigh in milligrams and plus how much will each of the two cut
asked by Amber on September 14, 2009 
math
Three pupils John, Daniel and David contributed a total of $400 for a party. John contributed $30 more than Daniel while, David contributed three times as much as John. If David contributed $x, which one of the equations below can be used to find David's
asked by kudu on January 29, 2015 
science
i need some help on this question a diamond cutter has a raw diamond that weighs 19.5 carats and from which two 5carat diamonds will be cut. i need to find out how much the raw diamond weigh in milligrams and plus how much will each of the two cut
asked by Amber on September 14, 2009 
Math
It takes 3 cups of granola and 2 cups of raisins to make trail mix if I want to make 15 cups of trail mix how many cups of raisins do I need? Please explain steps to find x, I got 45 but I saw people got different answers??? Please help me and I just want
asked by Callie on January 28, 2016 
English/Writing
Find the sentence with the active voice. 1  The chairman told me that the legislature passed the bill. 2  It was voted by the legislature to pass. 3  The bill was passed by the legislature 4  I was told by the chairman that the bll was passed by the
asked by Sarah on February 19, 2008 
Chemistry
The solubility of Chromium (II) Hydroxide is .0035g/100mL  Calculate the solubility product of Chromium (II) Hydroxide. I know that we have to find Ksp. but i do not understand how to make the Ksp equation to calculate the solubility product, if it is
asked by cool kids on April 27, 2017 
maths
a water tank is filled by two pipes in 48 minutes. if the larger pipe fill it alone in 40 minutes less time the smaller pipe. find the time it takes for the smaller pipe to fill the tank alone.
asked by ayesha on October 20, 2015 
Maths
From a point A, due south of a tower , the angle of elevation of the top is 45degree, another point B is due east of the tower and the bearing of B from A is 30degree. Find the angle of elevation of the top of the tower
asked by Akinsola on July 21, 2019 
Maths
From a point A, due south of a tower , the angle of elevation of the top is 45degree, another point B is due east of the tower and the bearing of B from A is 30degree. Find the angle of elevation of the top of the tower B
asked by Akinsola on July 21, 2019 
math
A plane flies 540 miles for 2 hours in the direction of the wind. Then it turns around and flies 690 miles for 3 hours against the same wind. Find the speed of the plane in still air and the wind speed.
asked by Anonymous on August 10, 2015 
physics
When you lift a bowling ball with a force of 69.3 N, the ball accelerates upward with an acceleration a. If you lift with a force of 77.2 N, the ball's acceleration is 2.00a. Calculate the weight of the bowling ball. For this should I add both force
asked by Samantha on September 22, 2009 
Math/Geometry
Two circles of radius r1 and r2 are extenally tangential to each other and are also externally tangential to a staight line l. Another circle of some unknown radius is externally tangential to both the circles and to the straight line l. Find the adius of
asked by abcd on March 13, 2013 
Math
One side of a rectangle is 20 cm larger than the other side. If you make the smaller side two times larger and the larger side three times larger, then the perimeter of the new rectangle would be 240 cm. Find the lengths of the sides of the original
asked by Eliza VERY URGENT on December 6, 2018 
Dynamic
A stone is dropped into a well with initial velocity zero from a point 5 m above the mouth of the well and the splash is heard after 7 s. A second stone is thrown into the well with initial velocity uₒ from the same point and the splash is heard after 5
asked by Adnan on April 22, 2016 
Physics
Two resistors, 6 ohms and 18 ohms are connected in parallel and the combination is connected in series with a 2 ohm resistor. Find the current through each of the first two resistors if the current through the 2 ohm resistor is 1.2 ampere. What is the
asked by Mycah on March 5, 2017 
math
The longest side of a triangle is six more units that the shortest side. The third side is twice the length of the shortest side. If the perimeter of the triangle is 25 units, write and solve an equation to find the length of all three sides of the
asked by Valdo on March 1, 2015 
math
One side of a rectangle is 20 cm larger than the other side. If you make the smaller side two times larger and the larger side three times larger, then the perimeter of the new rectangle would be 240 cm. Find the lengths of the sides of the original
asked by what. on December 9, 2018 
5th grade math
what is the least common multiple The least common multiple is the lowest possible number that has both numbers for a factor. For instance, if you are asked to find the LCM for 4 and 8, the LCM would be 8 because it is divisible by both 4 and 8. If you
asked by leo on October 5, 2006 
Physics
A 215 g particle is released from rest at point A (the middle of one side) inside a smooth hemispherical bowl of radium 30.0 cm. Calculate the gravitational potential energy at A relative to B. (B is in bottommiddle of the bowl) Ok, so PE_g=mgh. How would
asked by Becca on December 5, 2006 
statistic
This data shows the final exam scores of 10 randomly selected students and the number of hours they studied for an exam. (hours, scores) (3, 65), (5, 80), (2, 60), (8, 88), (2, 66), (4, 78), (4, 85), (5, 90), (6, 80), (3, 71) Find the equation of the
asked by maria on September 17, 2011 
math
An architect is planning a building in the shape of a rectangular prism. The length of the building is 20 feet more than its width and the height is 10 feet more than twice its width The inside volume of the building is 2,000,000 cubic feet. A model of the
asked by Kyle Raeside on November 26, 2018 
Calculus
A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted.
asked by Joey on April 29, 2016 
math
The average raindrop has a diameter of 2.55mm. Columbus, OH has an average rainfall of 38.52 inches per year. You know how to find the volume of a sphere and diameter and volume= L*W*H and that 1 meter = 39.37 in. Leap year = 366 days/year. How many rain
asked by Rebecca on August 31, 2012 
Calculus
A bucket begins weighing 30 pounds, including the sand it holds. The bucket is to be lifted to the top of a 25 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted.
asked by David on May 6, 2016 
Maths ( Higher Level) Simultaneous Equations.
A mother is x years old, her son is y years old and the sum of theirs ages together is 58 years. Five years ago, the mother was five times as old as the son. Write two equations in x and y and solve them to find the age of their mother and age of the son.
asked by Anonymous ~ 2nd Year on April 24, 2017 
Algebra 2
Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still
asked by Sue on February 6, 2011 
math
Sam kicks a ball horizontally along a deck that is 5 m above the ground. The ball goes off the edge of the deck. A model for the path of the ball once it leaves the deck is a parabola. The equation of the parabola is y = ax^2+ bx + c. The ball hits the
asked by James on August 23, 2011 
Math
A bucket begins weighing 15 pounds, including the sand it holds. The bucket is to be lifted to the top of a 50 foot tall building by a rope of negligible weight. However, the bucket has a hole in it, and leaks 0.1 pounds of sand each foot it is lifted.
asked by David on April 30, 2016 
Math grade 6
3 rectangular metal blocks,8 cm long, 6 cm wide & 5 cm high, were placed in an empty rectangular glass tank.water was then poured in until it reached a height of 10 cm. Another 5 similar blocks were put into the water so that it reached the brim of the
asked by Peach on February 28, 2017 
M,ath
How do we find the greatest common factor of a polynomial? Demonstrate the process with an example, showing your work. When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient? Can it ever be smaller than
asked by Anonymous on November 22, 2010 
problem solving
A ladder 5 meters long leans against a wall, reaching over the top of a box that is 1 meter on each side. The box is against the wall. What is the maximum height on the wall that the ladder can reach? The side view is: Assume the wall is perpendicular to
asked by kakak on December 8, 2014 
math
The height of a triangle is 4 inches more than the base. The area of the triangle is 35 square inches. Find the base and height of the triangle.
asked by troy on October 26, 2016 
Intermediate Algebra
The perimeter of a triangle is 48 centimeters. The longest side is 2 centimeters less than the longest side. Find the lengths of each side of the triangle.
asked by M on February 14, 2012 
Math
A boat can go 20 miles against a current in the same times that it can go 60 miles with the current. The current is 4 miles per hour. Find the speed of the boat with no current.
asked by Help!!! on January 15, 2014 
Math
The area of a rectangle is given by the expression 3x^2+7x40. A. What is the length of the rectangle if its width is x+5? B. If x=2cm, find the length, width and area of the rectangle?
asked by Bella on July 8, 2018 
contemporary math
suppose that the length of one leg of a right triangle is 2 inches less than the length of the other leg.the length of hypotenuse is 10 inches.find the length of each leg.
asked by maria christina ordillano on August 16, 2014 
Algebra
A boat can go 20 miles against a current in the same times that it can go 60 miles with the current. The current is 4 miles per hour. Find the speed of the boat with no current.
asked by May on January 15, 2014 
math
There is a woman that has a 40% chance of being in Casper recently, a 30% chance of being in Denver and a 27% chance that she has been to both. Find the probablility that she has been to Casper or Denver recently.
asked by Ted on July 29, 2013 
Maths
The ratio of zinc and copper in an alloy is7:9 if the weight of the copper in the alloy is 11.7 kg , find weight of the zinc in the alloy
asked by Eklavya joshi on February 25, 2017 
geometry
a tree is 10 ft. 3 in. tall. To find the height of a tower,the shadow of the tree and the shadow of the tower were measured. What is the height of h of the tower?
asked by Nika on June 23, 2016 
maths
Find the slope and the y interceft of each line whose equation is given  4x +y = 7 write a point slope equation for the line with slope that contains the given point. m =  5/4,x(2,6)
asked by ngo on March 26, 2011 
Calculus
Find the derivative of y=5^(14x) lny=(14x)ln5 Can I split it? lny=ln54xln5 1/y dy/dx = [4ln5/(4xln5)^2] dy/dx=[4ln5/(4xln5)^2]y Thanks.
asked by sh on December 9, 2010 
Math
uh oh if pencils cost 20 cents and pens cost 30 cents each find the cost of the following items number 36 has r pens and p pencils
asked by Leo on August 21, 2007
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