
physcis
A crane whose motoer has a power input of 5.0kW lifts a 1200kg load of bricks through a height 30m in 90s. Find the efficency of the crane which is the ratio between its output power and its input power
asked by Ania on November 15, 2011 
Algebra I
Son brought home a hand made worksheet that teacher did not go over and can't find examples anywhere. Multiply each expression by its conjugate. A. Square root of (13)2 B. 2+3Square root (5) C. Square root(3) minus Square root(7) Thanks
asked by Mom on March 15, 2016 
statistics
the average number of gallons of lemonade consumed by the football team during a game is 20, with a standard deviation of 3 gallons. assume the variable is normally distributed. when a game is played, find the probability of using a) Between 20 and 25
asked by Michelle on May 16, 2011 
Trigonometry
An elliptical arch is constructed which is 6 feet wide at the base and 9 feet tall in the middle. Find the height of the arch exactly 1 foot in from the base of the arch. looking for direction with what ellipse equation is and how to approach this problem
asked by CodyJinks on June 19, 2019 
Math
Abigail Adventuresome took a shortcut along the diagonal of a rectangular field and saved a distance equal to 1/3 the length of the longer side.Find the retio of the length of the shorter side of the rectangle to that of the longer side.
asked by JEFF BOMB on January 5, 2010 
Physics
The three displacement vectors in the drawing have magnitudes of A = 5.48 m, B = 5.23 m, and C = 4.75 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an
asked by joe on September 9, 2015 
Please help me with Trig
Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° = [√(2+√2)]/2, and I also know that
asked by Jane on January 27, 2016 
Dynamic
A stone is thrown up with a velocity of 20 m/s. While coming down, it strikes a glass pan, held at half the height through which it has risen and loses half of its velocity in breaking the glass. Find the velocity with which it will strike the ground.
asked by Adnan on April 22, 2016 
Precal
The number cis 75 + cis 83 + cis91 +...+ cis 147 is expressed in the form r cis(theta), where 0
asked by Josh on August 23, 2014 
math
is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right answer Name a function with the following characteristics: note: f prime means the first deriviative f is continuous over the
asked by sammy on November 15, 2009 
physics
A 17kg sled is being pulled along the horizontal snowcovered ground by a horizontal force of 20 N. Starting from rest, the sled attains a speed of 2.2 m/s in 8.4 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
asked by alika on October 2, 2014 
Business
How can I create a new restaurant that follows a blue ocean strategy? I am trying to find a way to attract a target market that would not usually be a target market or make the restaurant sell something or have a unique running style that makes it
asked by Anonymous on March 24, 2015 
physics plz help
1) A car is moving at 100 km/hr. Its mass is 950 kg. Find its KE. 2) What force is needed to accelerate a 1300kg car from rest to 20 m/s in 80 m? 3) A 1200kg car going 30 m/s skids to rest. The friction force is 6000 N. How far does it skid?
asked by Salmon24 on October 23, 2015 
Algebra
The volume in cubic feet of a Cd holder can be expressed as V(x)=x^3x^2+6x, the depth is 2x , factor the polynomial to find linear expression for the height and the width.  Do I just factor the x^3x^2+6x? It because I know the volume is LWH, so don't
asked by Shadow on February 7, 2012 
Math
A baseball is thrown in the air at 5 ft. with an initial velocity of 42 ft per second. let t represent time and seconds. after the baseball is thrown let h represent height of the baseball. quadratic function h(t)= 16t squared + 42 t + 5 Find domain and
asked by Amber on September 18, 2019 
geometry
You are wrapping a gift box that is 15 inches long, 12 inches wide, and 4 inches deep. Use a net to find the length and width of a single sheet of paper that could be used to wrap the entire gift box.
asked by Cheyenne Smith on January 31, 2012 
calculus
#3 A solid has a base in the form of the ellipse: x^2/25 + y^2/16 = 1. Find the volume if every cross section perpendicular to the xaxis is an isosceles triangle whose altitude is 6 inches. #4 Use the same base and cross sections as #3, but change the
asked by Anonymous on February 20, 2014 
Calc
The marginal cost of manufacturing x yards of a certain fabric is C′(x)=3−0.01x+0.000006x2 (in dollars per yard). Find the increase in cost if the production level is raised from 3500 to 8500 yards. Increase in cost =
asked by Danielle on April 28, 2015 
Physics
Gravity on Titan Titan is the largest moon of Saturn and the only moon in the solar system known to have a substantial atmosphere. Find the acceleration due to gravity on Titan's surface, given that its mass is 1.35 X 10^23 kg and its radius is 2570 km.
asked by Cooper on November 9, 2011 
Math
Kimberly has a revolving credit account at an annual percentage rate of 15%. Her previous monthly balance is $784.19. Find the new balance if Kimberly's account showed the following activity. (Use the unpaid balance method)
asked by Desire on August 6, 2019 
statistics
Suppose 100 different researchers each did a study to see if there was a relationship between coffee consumption and height. Suppose there really is no such relationship in the population. would you expect any of the researchers to find a statistically
asked by Piya on February 27, 2012 
Calculus
A company offers the following schedule of charges: $30 per thousand for orders of 50,000 or less with the charge per thousand decreased by 37.5 cents for each thousand above 50,000. Find the order which will make the company's receipts a maximum? How do
asked by A company offers the following schedule of charges on December 2, 2012 
physics
A 70 kg person sits on a 3.6 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.5 cm in diameter. Find the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.
asked by Alan on May 12, 2011 
Physics
A ball is thrown from a point 1.0 m above the ground. The initial velocity is 19.6 m/s at an angle of 30 degrees above the horizontal. Find the maximum height of the ball above the ground. Calculate the speed of the ball at the highest point in the
asked by Anonymous on September 21, 2012 
Biology
Suppose you have monohybrid pea plants in your garden and find that they produce round seeds to wrinkled seeds in the ratio of 3:1. If the alleles are designated R and r, respectively, what are the probable genotypes of the wrinkled seeds produced by your
asked by Joe Henly on April 14, 2011 
Integrated Chem/Phys
If the density of a 225g stuffed plush toy is 1.25g/cm^3 and the water volume in a glass is 25 ml, find the new level of water after the toy is pushed under water. I know that D=m/v so 1.25=225/v so 1.25/225=v so I got .005 which cannot possibly be right.
asked by Jordan on May 6, 2010 
physics
After being struck by a bowling ball, a 1.4kg bowling pin sliding to the right at 4.5 m/s collides headon with another 1.4 kg bowling pin initially at rest. Find the final velocity of the second pin in the following situations: a)The first pin moves to
asked by mariah on November 27, 2012 
math
Solve the problem.A cyclist bikes at a constant speed for 25 miles. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 30 miles. Find his speed.
asked by uyi on March 30, 2016 
Math
Mr.Edgington travels 25 mph in his boat. To determine how far he travels he uses the equation d=25h, where is d in the total distance in miles and h is the number of hours he travels on his boat. Find the independent and dependent variable and the
asked by Emma on April 17, 2017 
Algebra
A roadside vegtable stand sells pumpkins for $5 each and squashes for $3 each. One day they sold $6 more squash than pumpkins, and their sales totaled $98. Write and solve a system of equations to find how many pumpkins and squash they sold?
asked by Anna on December 10, 2013 
Math
While cleaning her dorm room, Monica mistakenly pushed three coins off the desk. When they land on the chair below, find the odds (a) in favor of getting exactly three heads (b) in favor of getting exactly three tails (c) against getting exactly two heads
asked by Shelagh on June 18, 2014 
math
is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right answer Name a function with the following characteristics: note: f prime means the first deriviative f is continuous over the
asked by sammy on November 14, 2009 
geometry regular polygon
a=? s=10.5cm A= 19,887.5cm squared Pentagon A=asn/2 19,887.5cm=a*10.5*5/2 39775=52.5a a=757.61cm? am i correct? regular nonagon a=9.6cm A=302.4cm squared find perimeter thanks!
asked by Skye on March 6, 2011 
Math
During a tournament, 4 players on the school golf team drank equal amounts of water from a 6liter water jug. They drank all of the water. Which equation can be used to find the number of liters of water that each player drank?
asked by Anonymous on April 27, 2016 
physics
A 17kg sled is being pulled along the horizontal snowcovered ground by a horizontal force of 34 N. Starting from rest, the sled attains a speed of 2.9 m/s in 9.9 m. Find the coefficient of kinetic friction between the runners of the sled and the snow
asked by Anonymous on April 9, 2013 
calculus
Consider the function f(x)=–3x3–1x2+1x+1Find the average slope of this function on the interval (–2–1). By the Mean Value Theorem, we know there exists a c in the open interval (–2–1) such that f(c) is equal to this mean slope. Find the value
asked by Jin on September 4, 2010 
physics
A soccer player kicks the ball toward a goal that is 16,8m in front of him . The ball leaves his foot at a speed of 16,0m/s and an angle 28,0degree above the ground.Find the speed of the ball when the goalie catches it in front of the net?
asked by afika on May 8, 2016 
drbob222
Can you check this one for me i want to make sure. The simple interest I on a principal of P dollars at Interest rate r for time t, in years, is given by I=PrT.Find the simple interest on aprincipal of $6000 at 3% for 2years. I got the following: I= 6000 x
asked by jasmine20 on December 12, 2006 
physics
A 16kg sled is being pulled along the horizontal snowcovered ground by a horizontal force of 35 N. Starting from rest, the sled attains a speed of 2.1 m/s in 9.5 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
asked by Rob on October 4, 2012 
statistics
The probability any one widget is free of defects is 0.93. For quality control purposes the company is concerned about bad batches of widgets. If the widgets are shipped in batches of 20, find the probability of at most 2 defective widgets in one batch.
asked by Jennifer on December 9, 2011 
Mathematics
OPQRS is a right pyramid whose base is a square of sides 12cm each. Given that the slant height of the pyramid is 15cm. Find the height of the pyramid, the volume of the pyramid, and the total surface area of the pyramid by first drawing the net of the
asked by Joe on February 11, 2012 
Calculus
The measurement of the radius of a circle is 16 inches, with a possible error of .25 inches. Use differentials to approximate the possible propagated error in computing the area of the circle and find the percent error. I've gotten to 2Pi*16*.25 but don't
asked by Sam on October 25, 2016 
AP Physics
A cylindrical container of radius 20 cm contains water of height of 3 m. Two meters down from the water level there is a hole of 0.5 cm in radius. Find the velocity and volume flow rate of water leaving the hole. Where does it strike the ground?
asked by Charlie on November 29, 2010 
Biology
Suppose you have monohybrid pea plants in your garden and find that they produce round seeds to wrinkled seeds in the ratio of 3:1. If the alleles are designated R and r, respectively, what are the probable genotypes of the wrinkled seeds produced by your
asked by trey on April 22, 2010 
math
in a jar of 40 marbles there are 12 red marbles 19 blue marbles and there are orange marbles .Find the ratio ratio A pair of numbers that compares different types of units. of each coloured marbles to the total number of marbles. Simplify where possible.
asked by Kristy on May 26, 2012 
physics
a 16.0g bullet is shot into a wooden block at rest with mass 4550g on a frictionless surface. the block moves 1.20m/s after the bullet strikes and becomes lodged in the block. find the speed of the bullet before striking the block.
asked by tommy on April 7, 2015 
historysearch for earlier post
i wrote a history question a few days back, i think Ms.Sue gave me a link for it..i need that link, so can someone find that question for me..? the question is: Discuss the several plans for reconstruction and explain one success and one failure of
asked by Bella on February 22, 2009 
Phyics
A 17kg sled is being pulled along the horizontal snowcovered ground by a horizontal force of 28 N. Starting from rest, the sled attains a speed of 2.3 m/s in 10 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
asked by Corey on September 26, 2013 
physics
A 10g object moving to the right at 20cm/s makes an elastic headon collision with a 15g object moving in the opposite at 30cm/s. Find the velocity of each object after the collision. answer: 40cm/s, 10cm/s
asked by Anonymous on November 8, 2007 
Math Help
Use a proportion to find the length of side x for the pair of smilar figures below. They're both right triangles. Triangle 1 has 14cm on the the right side and 10cm on the bottom. Triangle 2 has x on the right side and 22cm on the bottom. My answer
asked by callie on November 20, 2014 
physics
A spring with a force constant of 100 N/m is used to push a 0.27 kg block of wood against a wall. (a) Find the minimum compression of the spring needed to keep the block from falling, given that the coefficient of static friction between the block and the
asked by I have no clue on October 15, 2011 
Solid mensuration
In a frustum of a right circular cone the diameter of the lower base is 24ft while the diameter of the upper base is 14ft if the slant height of the frustum is 13ft find the total area and the volume of the frustum.
asked by Met on September 12, 2016 
Mechanics AQA igher
A ship is being steered due east. A current is flowing from north to south, so that the actual velocity of the ship is 12 km/h on a bearing of 120 degree . Find the speed of the current and still water speed of the ship
asked by Jat on February 1, 2012 
maths
an amount of Rs 5000 is put into three/investments at the rate of interest of 6%, 7%, 8% per annum respectively; the total annual income is Rs 35800. If the combined income from first two investments is Rs 70 more than the income from the third. Find
asked by edward on July 1, 2013 
math
in 1996 there were about 2,342,000 marriages in the united states, using the # above my teacher wants me to find percentage of marriages per month she started me with january which had 100,000 mariages which came out to 4 percent of marriages for that
asked by destiny on May 6, 2009 
Math
A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by y=1/12(cos8t3sin8t), where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at
asked by Alfredo on February 27, 2018 
math
Seven people rowed 12 miles downstream with the current in 1.5hrs. Coming back upstream against the current covered the same distance but took 4 hours. Find the people rowing rate in the still water and the rate of the current
asked by Sue on March 20, 2015 
math
a 5ft pole is situated on top of a building. a 25ft pole extends from the top of the pole to a point on the ground creating a 26 degree angle. find the height of the building. please help me work this problem
asked by moniqui on January 5, 2012 
earth
a space traveller determines the radius of a planet to be half of earth . After landing on its surface , he finds the acceleration due to gravity to be twice of that of surface of earth. Find the ratio of mass of planet to the earth
asked by hanu on September 19, 2012 
algebra
A Boeing 747 flies 2420 miles with the wind. In the same amount of time, it can fly 2140 miles against the wind. The cruising speed ( in still air) is 570 mph. Find the speed of the wind.
asked by Anonymous on June 10, 2013 
physics
A 2 kg mass falls 40 m and buries itself into the ground 0.40 m. Find: a) How much work was done by gravity, b) How much potential energy was lost, and c) What was its speed when it hit the ground, and d) the average force causing the mass to stop once it
asked by Ted on November 28, 2012 
math
two boats p and q are at points whose position vector are 4i+8j and 4i+3j respectively. both of the boats are moving at a constant velocity of p is 4i+j and q is 2i+5j. find the position vectors of p&q and pq after t hours, and hence express the distance
asked by Joshua on February 6, 2016 
finance math
A car dealer purchased 2 cars, one for $1500 and the other for $20000, He then sold the first car at a loss of 14% and the second car for a profit of 15%. Find the dealer¡¯s profit for the whole transaction and express the answer as a percentage of his
asked by timmy on August 27, 2012 
Need 8 grade math help quick please!
I don't understand this. I don't get exactly what I'm supposed to do with the P(parenthes) thingy or how each question differs from the next. Theoretical and Experimental Probability: A number cube with the numbers 1 through 6 is rolled. Find the given
asked by Rainshine on March 28, 2014 
chemistry quick question
I need help with something and can't find this anywhere online. my structure looks like this OH CH2 CH3CH2CH2CHCHCH2CH3 CH3 So that OH looks like it is on a ethyl group. I need to write the IUPAC name and I wrote 3methyl4heptanol but realized my mistake
asked by michelle on March 25, 2013 
applied physics
an airplane is heading due west at a velocity of 500 miles/hr. There is a cross wind due North at a velocity of 50 miles/hr. find the airplanes velocity relative to the ground (magnitude and direction)
asked by jennifer on November 11, 2010 
Geometry
I need help with properties of a TRAPEZOID, please! Are opposite sides congruent AND parallel? Are opposite angles congruent? Are the diagonals congruent? Do the diagonals bisect eachother? I went on many sites to try and find the answers to these
asked by Jenn on March 7, 2010 
physics
A shell fired from the ground with an initial speed of 1.70 x 10^3 m/s at an initial angle of 55 degrees to the horizontal. neglecting air resistance, find a) the shell's horizontal range b)the amount of time the shell is in motion.
asked by luke on November 6, 2010 
Math and Phyics
Mass points M and m are kept at the vertices of an equilateral triangle whose sides are of length a. 1. Find the distance between the center of mass of the system and mas point m. 2.Determine the moment of Inertia of the system about the center of mass
asked by Saraf on December 22, 2014 
algebra
Suzies flower shop estimates that supplies cost for one month will be given by the polynomial 3x^2+7x3. She estimates the utilities costs for one month is given by 5x+2 Find and simplify an expression that would estimate suzie's total cost for one month.
asked by lisa on January 27, 2011 
Math
A 17 foot pipe is cut into three sections. The longest section is 3 times as long as the shortest and the middle sized section is 2 feet longer than the shortest. Find the length of each section to the nearest foot
asked by Joanna on August 19, 2013 
gr9math
about 99% of the mass of the human body is made up of just six elements. oxygen:65% carbon18% hydrogen:10% calcium:1.5% phosphorus:1.0% Find the mass of each element in a human body iwth mass 60kg. could you please explain to me how to do this? your help
asked by rebecca on February 8, 2010 
math
Find the representation of the number 256 in the following bases: a. base six b. base twelve c. base two I get how to write the number of objects as a base(whatever), but I think this is asking me to start from the end number and work backwards. I really
asked by Lauren on September 3, 2009 
Algebra
An inheritance of $19,000 was divided among three investments yielding a total of $1490 in simple interest per year. The interest rates for the three investments were 5%, 7%, and 10%. The 5% and 7% investments were $4000 and $1000 less than the 10%
asked by Doug on September 12, 2013 
math
arman has 1160 annual income from bonds bearing 3% and 5 % interest. then he added 25% more of the 3% bonds and 40% more of the 5 %bonds, threby increasing his annual income by 410. find his initial investment in each type of bond
asked by joei on October 6, 2013 
**tRiGoNoMeTrY**
A weight is oscillating on the end of a spring. The position of the weight relative to the point of equilibrium is given by y=1/12(cos8t3sin8t), where y is the displacement (in meters) and t is the time (in seconds). Find the times when the weight is at
asked by *tRiGoNoMeTrY* on November 17, 2008 
Math
The function,p(d)=1+ d over 33, give the pressure, in Atmospheres (atm), at a depth (d) in a sea (d is in feet) note that p(0)=1 atm, p(33)=2, and so on, find the pressure at 80 feet. The pressure at 80feet is____atm (type an interger or simplifyed
asked by Kell on April 24, 2008 
calculus  applied problems
Max area  A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area if the total perimeter is 16 feet.       ! ! ^ !! y 
asked by Gabriel on January 31, 2011 
CHEm
Amount of Helium in a Blimp The Goodyear blimp Spirit of Akron is 62.6 m long and contains 7023 m^3 of helium. When the temperature of the helium is 280K , its absolute pressure is 110kPa . Find the mass of the helium in the blimp. m=_____kg ty
asked by Brady on April 16, 2014 
College Math
There is a question > Write the slope intercept form of the equation for the line passing through the points (6,3) and (0,7) Now my answer started with > Slope = 73/0(6) = Slope = 2/3 Then to find the intercept > Y=mx+c 3= 2/3(6) + c c= 7 In my
asked by HM on September 29, 2011 
algebra
The following note was discounted at 16%. Find (a) the discount period, (b) the discount, and (c) the proceeds. Date loan was made: March 15 Face Value: $6000 Length of Loan: 75 days Rate: 6% Date of Discount: April 5
asked by Felicia on August 21, 2012 
math
A rectangular field is to be enclosed on four sides with a fence. Fencing costs $8 per foot for two opposite sides, and $2 per foot for the other sides. Find the dimensions of the field of area 900 ft2 that would be the cheapest to enclose.
asked by jennifer on April 10, 2015 
calculus  applied problems
Max area  A Norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area if the total perimeter is 16 feet.       ! ! ^ !! y 
asked by Gabriel on January 31, 2011 
Geometry rhombus variable question
In the rhombus, m
asked by sLEXANDria on January 10, 2012 
math
the distance that a body falls through when dropped from a certain height varies directly with the square of the time of fall. A body falls through a total of 500m in 10 seconds. find the distance it falls through, in 9th second (in m) Please help me solve
asked by nimal on January 23, 2015 
algebra
Find the points of discontinuity and any holes. y=x^21/(x^2+3x+2) please and thank you y =(x^21)/((x+1)(x+2)) =(x1)/(x+2) we cancelled the (x+1)/(x+1) which is 0/0 for x=1 so in our simplified expression when x=1 y = 2 There is a "hole" at (1,2) in
asked by Harry on April 27, 2007 
physics
A 17kg sled is being pulled along the horizontal snowcovered ground by a horizontal force of 29 N. Starting from rest, the sled attains a speed of 2.1 m/s in 9.6 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
asked by simon on July 8, 2013 
Math
The weight of a person and his luggage should not be greater than 150kg when travelling; (i) If the weight of the laggugge is W and that of a person is 70kg. write an inequality to represent this information (ii) Solf the inequality to find the range of
asked by Ellen on July 9, 2015 
math
suppose you wanted to place 1,000,000 pennies in large coin banks. If you put 50,000 pennies in each bank, in which bank would you find the 678,230th penny when using the number line.
asked by kaelee on August 14, 2012 
physics help
a 3.5 kg dog stands on a 21 kg flatboat at distance D = 6.1 m from the shore. It walks 2.3 m along the boat toward shore and then stops. Assuming no friction between the boat and the water, find how far the dog is then from the shore. I thought i have the
asked by mike on March 26, 2010 
physics
An 879kg (1943 lb) dragster, starting from rest, attains a speed of 25.6 m/s (57.3 mph) in 0.59 s. (a) Find the average acceleration of the dragster during this time interval. (b) What is the magnitude of the average net force on the dragster during this
asked by javane on November 26, 2010 
chemistry
A certain gas is present in a 11.0L cylinder at 4.0 atm pressure. If the pressure I increased to 8.0 atm the volume of the gas decreased to 5.5L. Find the two constants Ki, the initial value of K, and the Kf, the final value of k, to verify whether the gas
asked by van on February 12, 2016 
Math
you want to expand the garden by planting a border of flowers. the border will have the same width around the entire garden.the flowers you brought will fill an area of 276sq.ft. How wide should the border be? The inside is 24ft by 16ft but i need to find
asked by Ronny on November 26, 2007 
Physic
A 16kg sled is being pulled along the horizontal snowcovered ground by a horizontal force of 27 N. Starting from rest, the sled attains a speed of 2.2 m/s in 9.6 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
asked by Lena on March 5, 2015 
physics
a bullet of mass of 12 grams is fired into a large block of mass 1.5 kg suspended from light vertical wires. the bullet imbeds in the block and the whole system rises 10 cm. find the velocity of the bullet just before the collision.
asked by erin on June 28, 2010 
physics
The three displacement vectors in the drawing have magnitudes of A = 5.73 m, B = 6.48 m, and C = 3.12 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an
asked by anonymous on February 3, 2014 
math
A council consists of 10 members.four are NDC,three are NPP and three are from other parties.if a committee of three is to be selected,find the probabilities following: I.one of each party. II.Two NPP and one from other parties. III.one from other parties
asked by Bravo on March 27, 2016 
Physics
The vector 5.2A⃗ has a magnitude of 40m and points in the positive x direction. Find the x component of the vector A⃗ ? I do not understand how I am supposed to figure this out with just having the magnitude of the vector. Shouldn't there be an angle
asked by Anonymous on August 21, 2014 
Math
A surveyor sights the top of a building with a handheld range finder. The top of the building is 72 feet 10 inches away. The angle of elevation is 57º. Find the distance from the surveyor to the building to the nearest foot.
asked by TeeKay on October 6, 2014 
Calculus
How would I find the antiderivative of this equation? S 0 to pi/3 (1secxtans)dx This should be one that you should just recognize from your study of trig derivatives. Isn't the derivative of sec x, or (cos x)^1 (cos x)^2(sin x) ?? and isn't that
asked by Anonymous on May 16, 2007
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