
maths
y is partly constant and partly varies as x, when x=5,y=8 and when x=6,y=4.find the equation of the variation of x and y.find y when x=15
asked by Anonymous on September 10, 2018 
Help me!
Anyone know what is 12th powerful words to find a photo? Letitia, please let us know what photo you are looking for and we may be able to help you find it.
asked by Letitia on January 25, 2007 
math
consider the functions f(x)=2x8 and g(x)=x/2+4 (a) Find f(g(x)). (b) Find g(f(x)). (c) Determine whether the functions f and g are inverses of each other (a) What is f(g(x))? Simplify your answer
asked by candice on May 2, 2017 
math
can someone check my answers please add 3/5 +(8/35) = 13/35 find the reciprocal of 1/3 (94)= 5/3 subtract 7/9(13/18)=3/2 find the reciprocal of 1/9(93)=4/3
asked by keauanna on November 5, 2007 
algebra2
simplify 216 (1/4) slove for the variable 8a9=7a6 find the slope of (0,2),(2,2) find the slope of 2x+4y=8
asked by kiana on October 19, 2011 
calculus
find the center (h,k) and radius r of the circle and then use these to (a)graph circle, (b) find intercepts if any
asked by Holly on December 9, 2012 
math
explain how you can find the sum 25+59 without using pencil and paper or a calculator. then find the sum
asked by trevor on August 23, 2010 
precalculus
find the inverse of the following function. Find the domain, range, and asymptotes of each function. f(x)=3+1n(x+2)
asked by ladybug on October 6, 2012 
Physics
Vertical beam of mercury (Hg atomic mass =202u) atoms emerges from the oven kept at T= 400K. Consider three atoms, emerging from the oven: one with the average speed, one with the rms speed, and the other with the most probable speed of the Maxwellian
asked by Brody on February 6, 2014 
physics
The location of two particles at t = 0 is shown in the figure below. The particles are initially at rest. Each particle is subject to a constant force, as indicated in the figure. (Take m1 = 2.06 kg and m2 = 0.95 kg.) (a) Find the position of the center of
asked by Anonymous on February 10, 2011 
true/false history
hi everybody. I have been trying to answer these true/false question all day, can someone help me please?Are my answers correct? "Militarism" is warfare that combines the use of infantry, armor, and air power in a fastmoving campaign. I put false &
asked by Yana on April 12, 2007 
precalculus
(A) find the domain of the function, (B) decide if the function is continuous, and (c) identify your horizontal and vertical asymptotes. F(x)= (3x^2+1)/(x^2+x+9) Find the zeros (if any) of the rational function. G(x)= (x^38)/x^2+4 H(x)=5 + 3/(x^2+1) G(x)=
asked by Kelsi on December 14, 2014 
precalculus
(A) find the domain of the function, (B) decide if the function is continuous, and (c) identify your horizontal and vertical asymptotes. F(x)= (3x^2+1)/(x^2+x+9) Find the zeros (if any) of the rational function. G(x)= (x^38)/x^2+4 H(x)=5 + 3/(x^2+1) G(x)=
asked by Kelsi on December 13, 2014 
sociology
Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but also find them to stressful? Functional theory conflict theory symbolic interaction theory
asked by paula on August 9, 2009 
physics
The resistance of a 395 m long aluminum rod is 3580 . A. Find the crosssectional area of the rod mm2 B. Find the current in the rod when a potential difference of 14 V is applied across the ends. A
asked by Anonymous on February 20, 2012 
Trignometry
A car is moving at a rate of 55 mph and the diameter of its wheels is 2 feet. A) Find the number of revolutions per minute the wheels are rotating. B) Find the angular speed of the wheels in radians per minutes.
asked by David on February 12, 2013 
Biology please help
I have a project due tomorrow and i cant find a good place to start. Cardiacmuscle disease is a disease that is a result of the cytoskeleton not functioning properly. I cant find anything on cardiac muscle disease. THIS IS NOT CARDIOMYOPATHY
asked by Adam on April 6, 2014 
psy
Logical inquiry: Find two reliable sources that provide a balanced view of internal versus external locus of control. Reference these sources in your response. Ms. Sue could you help me find those sources. thanks.
asked by rose on October 24, 2008 
english2
Activity: For this activity, you will be required to write a short play. It only has to be one scene, and it must follow the rules of Aristotle’s Poetics. Go back and review this material to ensure that you have a grasp of it. Your job is to pick a
asked by crissy on January 15, 2016 
Calculus 2
I am having so many problems with these volume problems, 1. Find the volume of a the solid obtained by rotating the region enclosed by: x = 2y and y^3 = x with y>0 about the x axis 2.Find the volume of cone of height h = 250 and a circular base with radius
asked by J on October 23, 2010 
Physics
A model airplane with a mass of 0.748 kg is tethered by a wire so that it flies in a circle 30.2 m in radius. The airplane engine provides a net thrust of 0.806 N perpendicular to the tethering wire. (a) Find the torque the net thrust produces about the
asked by Anonymous on November 17, 2010 
Statistics
you draw two cards from a standard deck of 52 cards, but before you draw the second card, you put the first one back and reshuffle the deck. a) are the outcomes on the two cards independent? why? b) find P(3 on 1st card and 10 on 2nd) c) find P(10 on 1st
asked by destiny on April 15, 2011 
chemistry titration (check my thought process)
can someone check my answers here for my lab... so i have 3.234*104 moles of ca2+ and mg2+ ions and used 0.02450L of edta so my molarity of both ions is 0.01320 M. and now we had to find calcium, i used 0.01655 L of edta, can i use the same # of moles
asked by Anonymous on January 30, 2016 
Physics
A long insulating wire has a uniform charge density 7nC/m and r=3m away from the wire A.) surface area of the side of the Gaussian surface B.) find total charge enclosed by the Gaussian surface C.) find total electric flux D.) use Guass's law to find the
asked by Macy on February 25, 2015 
AP Calculus
Consider the curve given by x^2+4y^2=7+3xy a) Show that dy/dx=(3y2x)/(8y3x) b) Show that there is a point P with xcoordinate 3 at which the line tangent to the curve at P is horizontal. Find the ycoordinate of P. c) Find the value of d^2y/dx^2 (second
asked by Leanna on January 26, 2011 
Math
Simplify. 2(3)^2  8 ÷ 2 + 6 A) 18 B) 16** C) 7 D) 7 Lucy is trying to find a rational number between 3/8 and and 6/7 What would help her to find this number? A)Divide 3/8 by 6/7*** B)Multiply 3/8 by 6/7 C)Convert 3/8 and 6/7 to Fractions with a
asked by Maddie on February 20, 2018 
Algebra
Consider the line with equation 5x – 2y = 10. (a) Find the yintercept for the given line. (b) Find the slope for a line parallel to the given line. (c) Find the slope for a line perpendicular to the given line.
asked by Laurie on June 16, 2009 
Algebra
Consider the line with equation 5x – 2y = 10. (a) Find the yintercept for the given line. (b)Find the slope for a line parallel to the given line. (c) Find the slope for a line perpendicular to the given line.
asked by Carmin on June 16, 2009 
physics
Part 1 A 1260 kg car accelerates uniformly from rest to 4.65 m/s in 2.6 s. Find the work done on the car in this time.Answer in units of J. Part 2 Find the average power delivered by the en gine in the first 1.768 s. Answer in units of W. Part 3 Find the
asked by ally on February 25, 2011 
math
It is known that approximately 20% of the population is colour blind. In a sample of 270 people, use the normal approximation to find probability that: a)at least 90 people are colour blind b)exactly 50 people are colour blind I already posted this
asked by Jenna on December 21, 2016 
Reading
Is these answers correct? devoid intimidate jeopardize sneer implore introvert sibling vivacious infuriate smug 12. The people I love best can __ me the most. No one can make me as angry as my parents and __s can. 34. Please don't __ me to help you with
asked by Fred on March 12, 2013 
Math
2) A car dealership advertises a 15% discount on all its new cars. In addition, the manufacturer offers a $1000 rebate on the purchase of a new car. Let x represent the sticker price of the car. a. Suppose only the 15% discount applies. Find a function f
asked by Kevin on December 12, 2014 
Math
) A car dealership advertises a 15% discount on all its new cars. In addition, the manufacturer offers a $1000 rebate on the purchase of a new car. Let x represent the sticker price of the car. a. Suppose only the 15% discount applies. Find a function f
asked by Ryan on December 4, 2014 
Geometry help
Points EC bisects points AD at C. For each of the following, find the value of 'x' and the measure of the indicated segment. Please correct me if I'm wrong! 1. AC= 3x+6 and CD=2x+14 x=_______ AC=______ Answer: x=8 AC= 30 2. AC= 5x8 and CD=163x x=______
asked by Anonymous on September 7, 2014 
statistics help
Complete the hypothesis test with alternative hypothesis ƒÊd ‚ 0 based on the paired data that follows and d = O  Y. Use ƒ¿ = 0.01. Assume normality. Oldest 188 174 192 196 65 Youngest 186 168 199 199 69 (a) Find t. (Give your answer correct to
asked by tracy on June 24, 2013 
physics
Consider an oldfashion bicycle with a small wheel of radius 0.15 m and a large wheel of radius 0.8 m. Suppose the rider starts at rest, accelerates with a constant acceleration for 2 minutes to a velocity of magnitude 12 m/s. He maintains this velocity
asked by Captain Jack on November 14, 2012 
geography need help please
I need to pass my finals tomorrow! pleas help me! its geometry? Does anyone know how to do any of these problems ? please help! 1 3, 5, 7, 9... Generalize the pattern by finding the nth term. A) 3n B) 2n + 1 C) n + 2 D) (n + 1)(n + 2) 2 If the radius of
asked by Anonymous on August 27, 2015 
physics
A ball is thrown horizontally from the top of a building 17.6 m high. The ball strikes the ground at a point 67.7 m from the base of the building. The acceleration of gravity is 9.8 m/s^2 1. Find the time the ball is in motion. Answer in units of s. 2.
asked by Liz on November 19, 2012 
physics
A ball is thrown horizontally from the top of a building 43.4 m high. The ball strikes the ground at a point 57.3 m from the base of the building. The acceleration of gravity is 9.8 m/s^2. a. Find the time the ball is in motion. Answer in units of s. b.
asked by Kimberly on January 2, 2015 
maths
(a)(i)use the composite rule to differentiate the function f(x)=(x^26x+23)^(3/2). (ii)use the composite rule and your answer to part (a)(i) to show that the function g(x)=(x2)/(x^26x+23)^(3/2) has derivative g'(x)=(5+9x2x^2)/(x^26x+23)^(5/2).
asked by alan on May 20, 2011 
English
1. If you turn right, you'll find the post office on your right. 2. If you turn right, you'll find the post office which is on your right.  Does #1 mean #2? Or does 'on your right' modify the verb 'find'?
asked by rfvv on December 1, 2014 
Math!Please Help.!
Hi.It's Margie and I have a Math Lab to do but I don't get this.If you can, please help.: Use the Pythagorean Theorem to find the diagonal of the new room. length=22 width=25 area=350 Is the area supposed to be 550 instead of 350? Area of a rectangle is
asked by [C]razy Baby.[iloveyou] (Margie) on February 9, 2007 
science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it
asked by kim on February 17, 2011 
science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it
asked by kim on February 17, 2011 
science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it
asked by kim on February 16, 2011 
math
Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C.
asked by Tommy on September 8, 2016 
Math
Envision that you have served as business manager of Media World for over 2 years. You have noticed that for the last 12 months the business has regularly had cash assets of $20,000 or more at the end of each month. You have found a 6month certificate of
asked by T. on February 6, 2012 
Business
Choose one of the newly industrializing countries mentioned in the text (p. 102 International Business).The countries are Western Europe, Japan, Australia, New Zealand, Canada, Israel, and the United States. The term developing is a classification for the
asked by Pretty K on October 19, 2009 
physics
A ball starts at the top of a ramp with an incline of 7 degrees and rolls down, picking up speed. (see the table below) Time (s) Position (m) 0 0 .4917 .1 .7625 .15 .975 .3 1.1583 .45 1.2833 1.6467 (a) Linearize the data and find the slope of the new line.
asked by Daniel on September 30, 2015 
Algebra 2
Find the exact value of each expression if 0 degrees < theta < 90 degrees If tan (theta) = 1/2 , find cos(theta) If cos(theta) = 8/17, find csc (theta) Find the exact value of each expression is 180 degrees < theta < 270 degrees 7. If tan (theta)= 1, find
asked by Amy on May 7, 2015 
Math
The path of a softball is given by the equation y=0.08x^2 + x + 4. The coordinates x and y are measured in feet, with x=0 corresponding to the position from which the ball was thrown. A) Use a graphing utility to graph the trajectory of the softball. B)
asked by Laura on April 23, 2007 
English
Can you please check if these are correct? Thank you. 1) Outline briefly what the Romantics showed an interest in and what they reacted against. Refer then to how they viewed nature and man, with particular reference to childhood. 2) Describe how Kurtz's
asked by Franco on February 7, 2011 
geometry CA
Graph quadrilateral ABCD. Then determine the most precise name for each quadrilateral. 1. A (0, 5), B (–5, 0), C (0, –5), D (5, 0) (1 point) square kite rectangle 2. A (–4, 4), B (3, 4), C (5, 0), D (–2, 0) (1 point) square trapezoid parallelogram
asked by Jesicca on March 11, 2011 
Probabilty/Statistics
1)A coin is tossed 5 times. Find P(at most 4 tails.) A)3/16 B)13/16 C)1/32 D)31/32 I chose D 2)How many different arrangements of the letters of the word doodle are possible? A)180 B)720 C)15 D)90 I chose B For #35, use the following tepereatures from
asked by Jon on February 8, 2008 
Probability
1)A coin is tossed 5 times. Find P(at most 4 tails.) A)3/16 B)13/16 C)1/32 D)31/32 I chose D 2)How many different arrangements of the letters of the word doodle are possible? A)180 B)720 C)15 D)90 I chose B For #35, use the following tepereatures from
asked by Jon on February 8, 2008 
accounting
I don't know if the answer is $0 or $1,000,000. One part says it's 1,000,000 because it's less than a year, but they also have the intention of using part of it for a long term bond, so I think it could be 0. Below is the question. Other answers to select
asked by frustrated on May 23, 2009 
calculus
The cost of running a ship at a constant speed of v km/h is 160 + 1/100*v^3 dollars per hour. a)Find the cost of a journey of 1000km at a speed of v km/h. b)Find the most economical speed for the journey, and the minimum cost. c)If the ship were to have
asked by jim_segs on November 17, 2013 
calculus
Sketch the region bounded by the curves y = x^2, y = x^4. 1) Find the area of the region enclosed by the two curves; 2) Find the volume of the solid obtained by rotating the above region about the xaxis; 3) Find the volume of the solid obtained by
asked by Megan on June 9, 2011 
statistics
Group the largest data set and find mean, median, mode, variance, standard deviation, 15th, 45th and 80th percentiles of the grouped data. Then find the same sample statistics using the ungrouped data. Is there any difference? Comment.
asked by metu on November 20, 2011 
Calculus
A curve is defined by the parametric equations: x = t2 – t and y = t3 – 3t Find the coordinates of the point(s) on the curve for which the normal to the curve is parallel to the yaxis. You must use calculus and clearly show your working, including any
asked by Daksh on July 18, 2014 
physics
Have to figure out 1 before 2 and don't know were to start? 1)The tension in the above string is 84.0 N. Calculate the mass of a 3 m long piece of the steel string. 2)Find the wavelength of the third harmonic of the guitar string described in the problem
asked by Jamie on March 31, 2011 
Algebra/can you help me
Write each expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places). log7^10= 1.183 How do you find the approximation log3^316 = 5.239 How do you find the approximation Thank you
asked by Mary Ann on June 2, 2014 
physics
The drawing shows a force vector vector F that has a magnitude of 600 newtons. It lies at alpha = 67° from the positive z axis, and beta = 31° from the positive x axis. (that's the diagram given) webassign. (delete this space) net/CJ/p139alt.gif (a)
asked by RE on September 10, 2009 
ap physics
A force of magnitude Fx acting in the xdirection on a 2.55kg particle varies in time as shown in the figure below. (Indicate the direction with the sign of your answer.) (a) Find the impulse of the force. (Give your answer to one decimal place.) kg ·
asked by alba on February 22, 2015 
Teaching
11) T/F. Friedrich Froebel originated the first kindergarten in Germany. 12) T/F. Groupadministered standardized tests are recommended once children are in 1st grade. 13) T/F. How a child feels about himself/herself is reflected in his/her behavior. 14)
asked by Anonymous on July 17, 2017 
mathInverse functions
f(x)=4x2 & g(x)=5x6. Find (f*g) and state domain. f(x)x^21 what is the equation for f^1(x)? f(x)=3x+2, find f(f^1(14)). f(x)=4x+7 and g(x)=3x5 find (f*g)(4) f(x)=sqrt x+3 what is equation for f^1(x)? Graph y=sqrt x2 +5 which point lies on graph?
asked by Anonymous on January 31, 2009 
physic
A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. •1Nmm = 0.001Nm •100Nmm = 100 X 0.001 = 0.1Nm •Comp.1 = 15 mm = 0.015m •Comp.2 = 65 mm = 0.065m a) iFind potential energy at 15mm.
asked by daniel on April 2, 2009 
trigonometry
suppose a manufacterer of transistors believes that, on the average, one defective transistor occurs in every 100 transistors. a. find the probability that a batch of 20 transistors has 2 defectives. b. find the probability that a batch of 20 transistors
asked by Rob on January 10, 2007 
GEOMETRY URGENT PLEASE
(imageshack)(.)us(/)photo (/) myimages (/)42(/)2vja. jpg(/) Open that link please , just delete the parentheses please please help me with my assignments I beg you cooperate with me huhu 1. in the figure , the areas of traingle cef, triangle abe, triangle
asked by BARBIE LEE on November 9, 2013 
The Metis
They were natives, and most of these native women got married to fur traders that worked for the NWC, as the NWC thought the loyalty of the Natives for them would increase, and the Natives thought it would be an advantage towards their living as well.
asked by Anonymous on May 4, 2011 
physics (Simple harmonic motion)
In a horizontal blockspring system,the block mass is m=0.5kg and the spring constant is k =2N/m. At t1=0.1s the block velocity is +0.263m/s and the acceleration is 0.216m/s2. Assuming that the system is undergoing SHM.Write the expression for block
asked by bling pls help on September 3, 2016 
Math
a. Do some research and find a city that has experienced population growth. Determine its population on January 1st of a certain year. Write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a
asked by D on March 11, 2018 
physics
A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity on the car W = change in
asked by Mechai on November 20, 2014 
Math HELPPPPP
a) Find the gradient of the line x/7+y/11=1. b) the straight line Y=mx+c is parallel to the line y+ 5/3x=7/3 and passes through the point (2,3). Find the values of m and c The answer for a is 11/7x And b us 6 1/3
asked by Cheezel on June 25, 2016 
CalculusHELP PLZ !!!!
Find a general solution to the first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write solution explicitly if possible. (9x^2+y1)dx(4yx)dy=0, y(1)=0
asked by Sara on July 7, 2013 
Math HELPPPPP
a) Find the gradient of the line x/7+y/11=1. b) the straight line Y=mx+c is parallel to the line y+ 5/3x=7/3 and passes through the point (2,3). Find the values of m and c The answer for a is 11/7x And b us 6 1/3
asked by Cheezel on June 24, 2016 
geometry
The width of a rectangle is 6 cm less than its length. If the area of the rectangle is 135 square cm, find the dimensions. Then find the perimeter of the rectangle.
asked by jay on November 15, 2011 
Physics
An object has a kinetic energy of 244 J and a momentum of magnitude 24.9 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object.
asked by J on March 19, 2012 
physics
An object has a kinetic energy of 304 J and a momentum of magnitude 26.7 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object.
asked by jill on March 28, 2012 
Chemistry
I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..
asked by Cindy on April 10, 2012 
Chemistry
I did a chem lab and now im not sure if im doing my calculations right .. Please help? So i have to find out what ƒÉ will equal when i use the equation ƒÉ=d*(a/ãa^2+b^2) in my experiment i found out that a equals 108 cm, d and b were given to me ..
asked by Cindy on April 10, 2012 
phys
Find the kinetic energy of a particle with a mass of one gram moving with half the speed of light. Compare the answer with the one you would find using the nonrelativistic formula. Ans in units of x 10^13.
asked by slien on October 12, 2006 
history
I have to do a paper on the railroad strike of 1877, but I find that there is too many websites. My teacher does not want us to use Wikipedia since the information changes too much. I have looked at all of them, but cannot find a good one. We have to
asked by Nancy on March 31, 2010 
clarinet music
I will be doing my clarinet practice exam grade 4 LCM next May and I am going to play "Pastoral" from the book "Four short pieces" by Howard Ferguson. I am trying to find this mp3 so as to feel more comfotable playing it with the piano. Can anyone send me
asked by Claire on September 5, 2007 
Chemistry
Information: Original temp of HCl: 23.3C of NaOH: 23.8C Final temp of the mixture: 36.7C I am to find qH2O (assume 50 mL of solution and use average density of 1.02 g/mL) but I'm a bit lost. I also need to find /\H and /\H per mole of H+a and OH ions
asked by Aishya on November 4, 2014 
statistics
Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p. Use the given values of n and p to find the mean μ and standard deviation σ. Also, use the range rule of thumb to find the minimum
asked by slomomo on February 18, 2015 
CALCULUS HELP PLZ
The region R is bounded by the xaxis, yaxis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the xaxis. C. The solid formed in part B is divided into two solids of
asked by Anon on April 29, 2014 
Calculus
If an arrow is shot straight up from the surface of the moon with an initial velocity of 100 ft/s, its height in feet after t second is given by s(t)=(100t)−(83/100)(t^2). Use the limit definition of the derivative to find the answers to the following
asked by Linda on June 8, 2013 
CALCULUS
The region R is bounded by the xaxis, yaxis, x = 3 and y = 1/(sqrt(x+1)) A. Find the area of region R. B. Find the volume of the solid formed when the region R is revolved about the xaxis. C. The solid formed in part B is divided into two solids of
asked by Anon on April 29, 2014 
quadratic word problems
a rectangular swimming pool has a perimeter of 24 feet. what should the dimesions of the pool be to create a maximum area? what would this area be? If x is the one side's dimension, the adjacent side's dimension is 12  x. (That makes the perimeter 24).
asked by brittany on November 29, 2006 
math
We fire a missile from ground level at 1750 ft/sec. at launch angle of 10 degrees. h(t) =16t^2 + vot +h a. find a function for height as a function b. find a function for distance from launch point as a function of time. c. when will the missile reach max
asked by jc on June 21, 2015 
Physics
Please help me with this!! I am really confused about it... 1. A 75 kg. man steps off the end of a diving board, and hits the water at 7.7 m/s. Ignoring air resistance, what was the mans PE (potential energy) right before he stepped off the diving board?
asked by Becca on February 29, 2016 
Physics
On the map, let the +xaxis point east and the +yaxis north. A)An airplane flies at 990 km/h northwestward direction (i.e., midway between north and west). Find the components of its velocity. B)Repeat for the case when the plane flies due south at the
asked by Anonymous on January 29, 2017 
Algebra 1
Can you please check my work and help me with the parts that I don't understand? For each event, choose the most appropriate term and solve the problem. 1. In a sweepstakes with nine hundred entries, the first winner selected receives the grand prize, the
asked by Caroline on April 27, 2014 
French
How do I talk about fear in french? The activity is to introduce ourselves (what we like, don't like, find interesting, want to do in life) and then it says: "si vous avez peur de quelque chose." My understanding is that it is asking about things we are
asked by Kat on January 19, 2012 
math
1. Find the median of the following set of numbers. = B 45, 21, 54, 22, 65, 61 A) 54 B)49 1/2 C) 45 D)48 1/2 2. The following scores were recorded on a 100point examination: 95, 75, 76, 86, 96, 71, 68, 81, 95, 76, 69, 82, 93, 88, 94 Find the mean and
asked by landi on January 10, 2010 
math
Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $3,000 for setup costs and $4.00 to administer each test. a. Write an expression that gives the cost(C) to test animals.
asked by lindsey on May 1, 2011 
Math
Football Lesson 5.1 1. y= 0.035x^2 + 1.4x + 1, where x is the distance (in yards) and y is the height (in yards) a. Does the graph open up or down? b. Does the graph have a Maximum value or a minimum value? c. graph the quadratic function. (i'll graph it
asked by Monte' on November 11, 2007 
Calculus
1. Find the volume formed by rotating the region enclosed by x=5y and x=y^3 with y¡Ý0 about the yaxis. 2. Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis y=18x6x^2 , y=0 : about the
asked by jimmy on May 4, 2007 
Math
I have a series of questions that I did. They lead up to the last question I can't solve. Could you check my math and help me with the last question? Thanks! a) Let a be the point (2,3). Compute the distance from Origin 0 to A answer: a^2 + b^2 = c^2 3^2 +
asked by Shane on October 14, 2010
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