
Physics
A 0.030kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 700 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t
asked by Xavier on October 24, 2010 
Math
A magician's stage has a trap door. a. The total area of the stage can be represented by x^2++27x+176. Write an expression for the width of the stage. b. The area of the trap door is 12 suare feet. Find the value of x. c. What fraction of the area of the
asked by Bucho on May 1, 2018 
calculus
1. (30 points) Consider a manufacturer whose total cost of producing x items is given by c(x)=10000+5x+1/9x^2. a. What is the average cost function A(x)= c(x)/x? b. How many items should the manufacturer produce in order to minimize average cost? c. What
asked by michelle on December 3, 2012 
Maths
A factory sells shoes at $60 a pair. For 10 pairs of shoes there is a discount, whereby each pair costs $58. For 20 pairs the cost is $56 a pair and so on. Find the price of each pair of shoes on an order of 100 pairs of shoes and the total price on an
asked by Fred on October 17, 2018 
Math
A ball rolls into a corner of a room, where it touches both walls (and, obviously, the floor). A larger ball rolls into the same corner so that it touches both walls and the first, smaller ball. The small ball has a radius 1 inch. What is the radius of the
asked by John on August 19, 2010 
Philosophy  Ethics
I asked a question yesterday about Immanuel Kant, Grounding of the Metaphysics of Morals, and now I have a new question. I am writing a paper on how Kant is saying that inclinations shouldn't be involved in moral decisions, because inclinations do not lead
asked by Chelsey on March 4, 2009 
Physics 2
in the figure a rario transmitting station operating at a frequency of 100 MHz has two identical coherent antennas. Antenna A is 124 m from point P and anternna B is 421 m from point P. what type of interference, destructive, constructive, or neither
asked by Maria on May 5, 2018 
psychology
kevin hate his job, his girlfriend dropped him, and he had a headache this morning from staying up too late eating hamburgers and drinking beer by himself. he has decided to initiate new attack today and take control of his life. he will find a new job,
asked by lisa on April 20, 2011 
History
This is an paragraph that was in are textbook. How would I sum this up but still capture what it is saying. I find it to be kind of confusing and I don't understand what it is saying. Any help would be appreciated. Thank You! Chesapeake tobacco and
asked by London on September 20, 2009 
HELP RIGHT AWAY ( ASAP)
1. There are four kinds of road signs in a certain town. The number of each kind is shown. What is the ratio of the number of school signs to the number of stop signs? signs (1 point) 9 to 10 10:9 ten over twentyfour 9:24 2. Which ratio is equivalent to
asked by Apple Jack on November 20, 2015 
MATH ANSWER HELP
1. There are four kinds of road signs in a certain town. The number of each kind is shown. What is the ratio of the number of school signs to the number of stop signs? signs (1 point) 9 to 10 10:9 ten over twentyfour 9:24 2. Which ratio is equivalent to
asked by PINKIE PIE on November 20, 2015 
Calc, Implicit Differentiation
Regard y as independent variable and x as dependant variable and find the slope of the tangent line to the curve (4x^2 + 2y2)^2  x^2y = 4588 at point (3,4). Correct answer is 0.668827160493827 Here's what I did: 2(8x(dy/dx) + 4y) 2x(dx/dy)y + x^2 = 0
asked by Michael on October 21, 2006 
CHEMISTRY
When 50.0 cm3 of 0.100 mol dm3 AgNO3 is mixed with 50.0 cm3 of 0.0500 dm3 HCl in a polystyrene cup, the temperature increases from 20.00°C to 20.35°C. Assume that the specific heat capacity of the solution is the same as that of water, and that the
asked by Anonymous on November 12, 2013 
Children Development
. In what ways have factors from Microsystems outside the family, from the mesosystem, and the exosystem possibly influenced your child’s development at ages 6, 8 and 10? Find four examples of such influences and make clear why you believe they should be
asked by Woody on October 25, 2015 
Math
Karen wanted to find out how much waster was used when taking a bath and when taking a show. Karen found the dimensions of the tub filled with enough water to take a bath was 1.7 meters x 1 meters x 0.46meters and that the shower uses 5075 liters per
asked by Precious on January 22, 2017 
English
Request for feedback on CAUSE essay. Please give input on below essay: “I ran three miles, staggered into the lobby, and took the elevator to my apartment, no use overdoing this exercise junk.” Janet Evonovich About 40% of Americans report that they
asked by BL on March 6, 2013 
Statistics/probability
Of 120 students, 60 are studying French, 50 are studying Latin and 20 are studying French and Latin. Find the probability that a student is: (a) studying French or Latin and (b) studying neither.
asked by Carline on March 19, 2009 
algebra
A fruit drink is 15% white grape juice. Use a system of equations to find the amount of pure white grape juice and the amount of this fruit drink needed to make 27 gallons of a new drink that is 21% white grape juice. Round to the nearest tenth
asked by Anonymous on January 29, 2014 
Math Probability
An insurance sales representative selects 3 policies to review. The group of policies she can select from contains 8 life policies, 5 automobile policies, and 2 homeowner policies. Find the probability of selecting” (a) All life policies (b) Both
asked by Mark on August 16, 2010 
calculus
Find the volume of the solid whose base is the region bounded by the graphs of y=x^3,x=1, and the xaxis, and whose cross sections perpenditular to the xaxis are semicircles. What would be the radius in this case? I thought it would just be x^3, but
asked by Jin on January 7, 2007 
chemistry
an evil chemist would like to produce 2.4 toones of sulphur dioxide to pollute his city. the chemist know that zinc sulphide and oxygen can react to produce zinc oxide and sulphure dioxide. how much oxygen and zinc will he need to purchase to make his
asked by tarkan on November 11, 2010 
english
I'm writing an essay about the play "Antigone". The question is: "Write an essay in which you argue whether Antigone did the right thing. Should she have buried her brother or obeyed the decree by her uncle? Support your answer with at least two references
asked by :) on November 13, 2017 
calculus
t(min)xvalue:36,38,40,42,44 heartbeatsy value: 2530, 2661, 2806,2948,3080 Graph these points(Each point goes with another so (36,2530), (38,2661)... The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the
asked by apoorva on September 18, 2007 
wrtting process,english
I can't find an actual website that will help me do correct format for citation with APA format for a powerpoint presentation. Here are all the APA websites I know of. Whatever format you use, you'll need to include the same types of information: author
asked by kyln on March 8, 2007 
finance
Based on data from 1999 to 2001, the net sales (revenue) of Gatorade/Tropicana North America is R(t) = 107t2+496t+3452 million dollars and the operating profit is P(t) = −18.5t2 + 85.5t + 433 million dollars  where t is the number of years since
asked by tina on October 9, 2013 
Math
In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be 95% confident that your sample mean is within 11 minutes of the population mean? Assume that the
asked by John on May 17, 2016 
Math
Last year, the personal best high jumps of track athletes in a nearby state were normally distributed with a mean of 229 cm and a standard deviation of 19 cm. What is the probability that a randomly selected high jumper has a person best between 229 and
asked by Gia on May 24, 2012 
precalculus
st andrews golf course in st andrews scotland is one of the oldest courses in the world. it is an 18hole course that consists of par3 holes, par4 holes and par5 holes. a golfer who shoots par at the old course at st andrews has a total of 72 strokes
asked by snow on September 22, 2011 
Chemistry
A 76.00pound flask of mercury costs $151.50. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one pound of mercury? =$1.99 What is the price of
asked by Anna on February 10, 2014 
Chemistry
A 76.00pound flask of mercury costs $151.50. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one pound of mercury? =$1.99 What is the price of
asked by Anna on February 10, 2014 
Chemistry
A 76.00pound flask of mercury costs $151.50. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one pound of mercury? =$1.99 What is the price of
asked by Anna on February 10, 2014 
Math
To determine what effect the salespeople had on purchases, a department store polled 700 shoppers as to whether or not they had made a purchase and whether or not they were pleased with the service. Of those who had made a purchase, 125 were happy with the
asked by Kimberly on November 20, 2009 
Science/maths
describe how you could make the following measurements and discuss any problems you might encounter a) finding the volume of a rugby ball b) finding the diameter of tennis ball. c) findin the mass of a grain of sugar a) submerge it in water in a graduated
asked by San on March 3, 2007 
English
Word bank agenda amiable befuddle blight boisterous clarity compliant conserve debut gory gross induce leeway limber maze oracle partisan reimburse vacate vagabond Choose a word from the word bank to find a word that is most nearly or the same to the words
asked by Jerald on November 13, 2012 
Physics
A block of mass 20g sits at rest on a plate that is at the top of the fluid on one side of a utube as shown in figure P10.38. The u tube contains two different fluids with densities p1= 1000 kg/m^3 and p2= 600 kg/m^3 and has a cross sectional area of A=
asked by Jackie on June 27, 2012 
Physics
A pirate captain has asked you to help him engineer a new plank to have prisoners walk overboard from. He needs the plan to fall overboard with the prisoners in order not to leave any evidence behind. He has a uniform beam of length 8m and a mass of 100kg
asked by Michelle on May 2, 2014 
Math
Im having trouble getting the correct answer to this question. Could someone help out. Monthly sales of a particular personal computer are expected to decline at the following rate of S'(t) computers per month, where t is time in months and S(t) is the
asked by Anonymous on April 28, 2011 
geometry
a phone company charges a flat monthly fee of $15 for cell phone services, plus an additional fee for every minute you talk. in a given month, you are charged $36 for the 24 minutes you talked( not including the $15 flat fee.) let the total cost be c(in $)
asked by abigail on October 28, 2011 
Physics help please
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron mp=mass of proton=1.673x10^27 λ=h/mpc(1cosθ)
asked by Sarah on September 28, 2014 
statistics
A headline in a certain newspaper states that "most stay at first job less than 2 years." That headline is based on an online poll of 320 college graduates. Among those polled, 72% stayed at their first fulltime job less than 2 years. a. Assuming that 50%
asked by slomomo on February 27, 2015 
Algebra 2
Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13
asked by Jane on February 3, 2014 
physics practical investigation
design and conduct an investion to find out whether the amount of heat produced will depend on increase on concentration of Hcl when Hcl reacts with an excess zn.hint...you may investigate either the amount of heat produced or the amount of gas
asked by Jossie on March 25, 2013 
Physics
Find the angle of refraction if there is one. If there isn't, tell which substance reflects the light: n=1.36 ~~~~~~~~~~~Angle=15.60 degrees n=1.73 ~~~~~~~~~~~Angle=17.94 degrees n=1.51 ~~~~~~~~~~~Angle=27.71 degrees n=1.0003 ~~~~~~~~~~~Angle=11.08 degrees
asked by Steve on March 22, 2009 
Chemistry
OK I just need help with two final problems that I am stuck on: The problem states the calcium carbonate in limestone reacts with HCl to produce a calcium chloride solution and carbon dioxide gas CaCO3(s)+2HCl(aq)>CaCl2(aq)+H2O(l)+CO2(g) 1)Find how many
asked by TT on December 9, 2010 
physics
Hi thanks for your help The answer to this problem is supposed to be 1870 [N (m^2)/ c] but im getting 1497 instead. If you could help me get the right answer that would be super. The problem says that there is a pyramid with a square base whose side
asked by KIKSY on February 8, 2011 
LA
Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about Johnny Tremain. Provide an explanation for your choices. How did the role you selected and the work you
asked by blurryface on December 5, 2017 
physics
Hi thanks for your help The answer to this problem is supposed to be 1870 [N (m^2)/ c] but im getting 1497 instead. If you could help me get the right answer that would be super. The problem says that there is a pyramid with a square base whose side
asked by APpreciative student on February 8, 2011 
gcse geography
i need to do a case study on France and i have several questions i need help with.Do you know of any good websites that can help me. Some of the questions i need to answer and are struggling with are: *Which other capital cities/major population centres
asked by xavier on September 17, 2011 
english
Where are we most likely to find propaganda? in product advertisements in persuasive speeches in political speeches all of the above D The propaganda technique that uses famous people in order to get people to buy their product is bandwagon glittering
asked by yamean on May 26, 2015 
PHYSICS
Hi thanks for your help The answer to this problem is supposed to be 1870 [N (m^2)/ c] but im getting 1497 instead. If you could help me get the right answer that would be super. The problem says that there is a pyramid with a square base whose side
asked by KIKSY on February 8, 2011 
physics
You are hired as ballistics expert and need to measure the muzzle speed of the bullet (with a mass, m = 20 g) for the gun. You fire a ballistic gun horizontally into a 2kg ballistic pendulum (M = 2 kg) hanging at rest on a massless rod. After the bullet
asked by Anonymous on February 23, 2011 
Math
I am confused with this problem could someone please explain? Taxicab Distances Problem. Imagine that the grid lines on a coordinate grid are streets and that the distance between two points must be measured by the number of "blocks" a taxicab would have
asked by B.B. on September 18, 2009 
calculus review please help!
Write the integral in one variable to find the volume of the solid obtained by rotating the first‐quadrant region bounded by y = 0.5x2 and y = x about the line x = 5. Use the midpoint rule with n = 4 to approximate the area of the region bounded by y =
asked by Hannah on May 16, 2017 
davenport
Chapter 6 Problem 14  Avon Products Using the financial statements provided below and any other information you find relevant, answer the following questions: a. What was the book value of Avon’s shareholders’ equity from 2001 to 2003? What were
asked by lisa on April 7, 2012 
math
how you multoply 5 2/7 x 5/8 x 3 1/2 write the answer in simplest form First of all you have to change all mixed fractions to improper fractions, mixed fractions are useless in calculations. Then multiply your numerators together and multiply your
asked by carmen on March 12, 2007 
physics2
A drag racer crosses the finish line of a 304.8 m track with a final speed of 121 m/s. (a) Assuming constant acceleration during the race, find the racer's time and the minimum coefficient of static friction between the tires and the road. time 1 s minimum
asked by Anonymous on February 16, 2012 
Science/Math
I have to figure out what percentasge of time each cell is in a phase. I have 5 phases. That equal to 36 cells in each phase. 1st phase 20 cells 2nd phase 10 cells 3rd phase 3 cells 4th phase 2 cells 5th pase 1 cell. This is based on a 24 hour period and
asked by sheshe on July 28, 2010 
maths I need answer
The sum of the tens and ones digits of a 2digit number is 12. The digit in the tens place is greater than the digit in the ones place The product of the two digits is 35. Find the 2digit number.
asked by vishal on August 27, 2013 
College Algebra
1. Use the Intermediate Value Theorem to show that the polynomial function has a zero in the given interval. f(x) = 13x^4  5x^2 +7x 1; [3,0] Enter the value of (3). 2. Use the Intermediate Value Theorem to show that the polynomial function has a zero in
asked by Kameesha on August 9, 2012 
intermediate algebra
A right triangle has two legs and a hypotenuse. One leg of the triangle is 3 feet longer than the other leg. The hypotenuse is 15 feet. Find the length of each leg. I got 12 feet and the other leg is 9 feet Is this correct?
asked by jennifer on November 6, 2008 
Precalc
For #13, an angle of rotation and ( x prime, y prime) coordinates are given. find the (x,y) coordinates? 1. angle= 30 degress, ( root 3, 2) 2. angle= 60 degrees, (1,1) 3. angle = 45 degrees, ( root 2,  root2)
asked by Rebekah on April 30, 2013 
MATH
USE THE FORMULA: A=P+I.P, WHERE A IS THE VALUE OF THE INVESTMENT IN ONE YEAR, P IS THE ORIGINAL INVESTMENT, AND I IS THE INTEREST RATE FOR THE INVESTMENT. FIND THE INTEREST RATE FOR AN ORIGINAL INVESTMENT OF $3,000 WHICH HAD A VALUE OF $3,450 AFTER ONE
asked by BLUE on December 21, 2008 
ELA
Find the direct object in the sentence. Fisherman collect many worms at night. Which identifies the direct object in the sentence? a.night b.worms c.many d.fisherman I think it is b.
asked by Zoey on September 14, 2017 
MATH
The ratio of the perimeter of triangle KLM to the perimeter of triangle PQR is 5/3 and LM is 4 less than twice QR. Find LM and QR, if Triangle KLM~Triangle PQR. Can someone solve this in ratio and proportion method? Thanks.
asked by Kevin Loed on November 10, 2010 
Pre Calc
A bus trip of 90 miles would have taken an hour less if the usual average speed had been increased by 3 miles per hour. Find the usual average speed of the bus.
asked by Jody on September 15, 2014 
math
You have a total of 52 dimes and quarters. You have 10 more quarters than dimes. Which system of equations can you use to find the number x of quarters and number y of dimes you have? Use the system to determine how much money you have in quarters and
asked by jane on March 15, 2017 
Math
Brittiney used her moms left over fabric in her room. She used 16 meters of that fabric to make a shirt. If she used 5% of her moms left over fabric how many meters of fabric did she find in her room?
asked by Anonymous on December 11, 2018 
maths
A rectangle has length & width in the ratio of 3:2.If the length is increased by 8 & width is increased by 50%.The ratio of new perimeter to original perimeter is 8:5.Find the area of new rectangle
asked by JAZZY on November 24, 2010 
math(algebra)
Find the distance between A and B. A= the coordinates ( 6, 1) B= the coordinates ( 2, 3) answer choices are: A. 8 units B. 16 units C. 2 times the square root of 2 units D. 4 times the square root of 2 units
asked by Ayriana on February 28, 2014 
STEVE!! CAN YOU PLEASE TELL ME HOW U GOT CHOICE D?
Find the distance between A and B. A= the coordinates ( 6, 1) B= the coordinates ( 2, 3) answer choices are: A. 8 units B. 16 units C. 2 times the square root of 2 units D. 4 times the square root of 2 units
asked by Ayriana on February 28, 2014 
intermediate algebra
A right triangle has two legs and a hypotenuse. One leg of the triangle is 3 feet longer than the other leg. The hypotenuse is 15 feet. Find the length of each leg. I got 12 feet and the other leg is 9 feet Is this correct?
asked by jennifer on November 7, 2008 
Math
If the larger of two numbers is divided by the smaller, the quotient and the remainder are 2 each. If 5 times the smaller number is divided by the larger, the quotient and the remainder are still 2 each. find the two numbers.
asked by Arshia on May 12, 2012 
algebra
The angles in a triangle are such that the measure of one angle is 10° more than the measure of the smallest angle, while the measure of the third angle is three times the measure of the smallest angle. Find the measures of all three angles, in degrees.
asked by gina on October 31, 2016 
Math
A pyramid is inscribed in a cube whose volume is 52(pi) cm^3. The volume of a sphere is equal to the volume of this pyramid. Find the volume of a second cube whose edge is equal to the radius of the sphere.
asked by Joe on May 31, 2011 
Math
Find the initial value a, growth/decay factor b, and growth/decay rate r for the following exponential function: Q(t)=0.0036(2.58)^−4t a) The initial value is a= (b) The growth factor is b= (c) The growth rate is r=
asked by George Carl on March 5, 2018 
Physics
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 23.4 N, the weight of each magnet is 2.67 N, and the magnetic force on
asked by Bella on November 1, 2010 
math
a mathematics question contained 20 items. every wrong answer scores 2marks, every correct answer scores 4marks and no mark for no answer. (a) find the minimum possible score (b) Tembo had 10 correct answers, 8 wrong answers and 2 no answers. What was his
asked by chisenzi on November 18, 2015 
Physics
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 19.7 N, the weight of each magnet is 4.17 N, and the magnetic force on
asked by mathlife on November 3, 2010 
physics
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 19.7 N, the weight of each magnet is 4.17 N, and the magnetic force on
asked by mathlife on November 3, 2010 
Physics
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 23.4 N, the weight of each magnet is 2.67 N, and the magnetic force on
asked by Bala on November 1, 2010 
math
a house has two rooms of equal area. one room is square and the other room a rectangle, four feet narrower and 5ft longer than the square one. find the area of each room? let x = dimensions of the square. Rectangle then is x4 and x+5 Set areas equal. area
asked by marybeth on November 29, 2006 
Physics
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 23.4 N, the weight of each magnet is 2.67 N, and the magnetic force on
asked by Bala on November 1, 2010 
physics PLEASE HELP
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 19.7 N, the weight of each magnet is 4.17 N, and the magnetic force on
asked by GENERIC on November 3, 2010 
Physics PLEASE HELP
Two strong magnets on opposite sides of a small table are shown. The longrange attractive force between the magnets keeps the lower magnet in place. Suppose the weight of the table is 19.7 N, the weight of each magnet is 4.17 N, and the magnetic force on
asked by GENERIC on November 3, 2010 
probability
Alice and Bob each choose at random a real number between zero and one. We assume that the pair of numbers is chosen according to the uniform probability law on the unit square, so that the probability of an event is equal to its area. We define the
asked by JuanPro on February 7, 2014 
physics
A student stands on a bathroom scale in an elevator at rest on the 64th floor of a building. The scale reads 845 N. As the elevator moves up,the scale reading increases to 940N,then decreases back to 845N. The acceleration of gravity is 9.8 m/s^2. Find the
asked by alexa on July 12, 2011 
p
Alice and Bob each choose at random a real number between zero and one. We assume that the pair of numbers is chosen according to the uniform probability law on the unit square, so that the probability of an event is equal to its area. We define the
asked by JuanPro on February 7, 2014 
math
In a random sample of 200 students who were asked their favorite color, it was found that twenty more students liked blue than purple and eight fewer liked green than blue. Find the number of students who chose each color as their favorite. I posted this
asked by Samuel on November 6, 2017 
chemistry
The standard internal energy change for a reaction can be symbolized as ΔU°rxn or ΔE°rxn. For the following reaction equations, calculate the energy change of the reaction at 25 °C and 1.00 bar. Sn(s) + 2Cl2(g) > SnCl4(l) ΔH°rxn = 511.3 kJ/mol
asked by jake on February 28, 2016 
math
john had an unpaid debt of $1,177.79 on a credit card at the beginning of the month. He made a payment of $430.00 and made purchases of $366.02 during that month. If the interst rate of john's credit card was 4.5% per month on the unpaid balance,find his
asked by kk on September 9, 2011 
Math
I asked this question before sorry I I shouldn't ask it again. Express the following number in scientific notation: 23^941 How do i get the answer for this? on my graphing calc, i get an error overflow messasge when i try to compute it. what is the decimal
asked by Sandy on March 11, 2012 
dynamics
A helical spring of stiffness k is cut into two halves and a mass m is connected to the two halves. The natural time period of this system is found to be 0.5 s. If an identical spring is cut so that one part is onefourth and the other part threefourths
asked by mpho on October 7, 2015 
physics
Lubricating oil, with a relative density of 0.79, flows around a 90¨¬ bend. The pipe diameter is 0.45m, and the oil has a pressure head of 7m and the flow is 1.7m3/s. Find the force exerted by the oil on the bend. Oil density = 0.79 X 103 Volumetric mass
asked by Michel on April 2, 2009 
Finite Math
The weekly takehome pay (in dollars) for 20 graduate teaching assistants at University Z is as follows: 500.75, 217.43,488.25, 405.78 485.46, 495.48, 370.75, 435.40 479.65, 482.56, 470.28, 489.90 382.50, 500.75, 465.32, 481.25 506.43, 225.50, 504.38,
asked by caylin on April 6, 2011 
physics
the total electric field e consists of the vector sum of two parts. one part has a magnitude of e1 = 1284 n/c and points at an angle θ1 = 30° above the +x axis. the other part has a magnitude of e2 = 1833 n/c and points at an angle θ2 = 62° above the
asked by katie on January 31, 2014 
Precalculas
Boat A leaves a dock headed due east at 1:00 PM traveling at a speed of 16 mi/hr. At 2:00 PM, Boat B leaves the same dock traveling due north at a speed of 18 mi/hr. Find an equation that represents the distance d in miles between the boats and any time t
asked by Help Please on January 27, 2016 
Calculus
1a. 15 ft ladder is placed against a vertical wall. the bottom of the ladder is sliding away from the wall at a rate of 2 ft/sec. How fast is the top of the ladder sliding down the wall when the bottom of the ladder is 9 ft from the wall? 1b. Using the
asked by Trevor on February 28, 2013 
Math
Bobby swims 3 laps every day during the summer. It takes him 15 seconds to swim from the ladder to the swimming lane, and he swims for a total of 135 seconds. The expression below can be used to find s, the number of seconds it takes Bobby to swim each
asked by Eden S. on December 14, 2013 
Algebra
The Kinetic energy (k)of a moving object varies jointly with it mass (m) and the square of its velocity (v).If an object has a mass of 22.5 kilograms and moving with a velocity of 20 meters per second has a kinetic energy of 4500 joules, find it kinetic
asked by rosa on May 21, 2010 
pre calculus
Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically. Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,2). If the coordinates of the center are (2,4), find
asked by maxine on May 14, 2009
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