1. Math HELP

    #1 find the value of x if RS = 4(x-3)+6 and RT = 5(2x-6). x= 12 x= 6 x= 4*** x= 3 #2 which of the following statements are always true? Choose all that apply. If the circumcenter of a triangle lies on the triangle, then the triangle is a right triangle.

    asked by Tony on October 16, 2018
  2. math

    Five three digit numbers including N were to be added. While adding, the reverse of N was added by mistake instead of N. Hence the summ increased by 11 times the summ of the digits of N.Eight times the difference of N's units and hundreds digit is 6 more

    asked by Suzanne on November 27, 2014
  3. Maths

    The average depth of the water in a port on a tidal river is 4 m. At low tide, the depth of the water is 2 m. One cycle is completed approx every 12 h. a) find an equation of the depth d(t) metres, with respect to the average depth, as a function of the

    asked by Han on June 10, 2014
  4. Physics

    I really need help with this question, i've found that a texbook said fourth hand, but I don't know if that's a thing Which rule is used to find the direction of force produced by electromagnetic induction? a. First right-hand rule b. Second right-hand

    asked by Al on June 3, 2015
  5. marketing

    I'm working on a case study and I'm having trouble picking a side to argue. The question is, Is the investment spending market test a good strategy or a waste of time and overly cautious? The instructor wants us to decide how promotion money should be

    asked by Lou on November 18, 2013
  6. Chemistry

    Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) -->

    asked by Avery on January 30, 2008
  7. Statistics

    Computer Depot is a large store that sells and repairs computers. A random sample of 110 computer repair jobs took technicians an average of 93.2 minutes per computer. Assume that o is known to be 16.9 minutes. Find a 99% confidence interval for the

    asked by Jasmine on March 25, 2012
  8. Web Design and Development

    Social media is a good method for promoting a published Web site or business. Find two examples of companies who are using social media and interactive Web tools, or blogging to reach their customers. Write a brief summary that describes the methods being

    asked by Pete Watson on February 2, 2013
  9. Calculus Help Please Urgent!!!

    At time t=0, an astronaut stands on a platform 3 meters above the moon's surface and throws a rock directly upward with an initial velocity of 32 m/sec. if the acceleration due to gravity is 1.6 m/sec^2. a) find the equations of motion for the throwing of

    asked by Anonymous on April 24, 2014
  10. Algebra. NEED HELP ASAP PLEASE

    After 2009 the sales of new cell phones without cameras began declining. The number of people y (in thousands) who bought a cell phone without a camera can be estimated by the equation y=−30x+270 y=-30x+270, where x is the number of years after 2009. a)

    asked by Duran on April 19, 2016
  11. physics

    An explosion breaks an object into two pieces, one of which has 3.20 times the mass of the other. If 8000 J were released in the explosion, how much kinetic energy did each piece acquire? I started with using KE = (1/2)mv^2 and m1v1 = m2v2. Then

    asked by micole on May 29, 2007
  12. physics

    A ballistics pendulum is a device used to measure the speed of a fast moving projectile such as a bullet. A bullet of mass 5g is fired into a large block of wood of mass 1.5kg suspended from some light wires. The bullet is stopped by the block and the

    asked by ZU on August 25, 2013
  13. MATH SUPER HELP!

    I have 2 questions which measure correctly completes the statement. 1,127.5 milligrams = ? grams (1 point) which measure correctly completes the statement 627.532 L= / ml a sunflower was 1.8 meters high one week ago. in 7 days it grew 12 centimeters. find

    asked by Eevee on March 19, 2015
  14. PHYSIC

    Kicker is trying to make a filed goal from (35m). He kicks the ball at (30 degree)horizontal. The cross-bar is (3.05m) above the field. - two equation from the horizontal and vertical position as a function of time. Find the time it took the ball to reach

    asked by AH on September 13, 2017
  15. Physics (forgot to post this question #2)

    During the compression stroke of a certain gasoline engine, the pressure increases from 1.00atm to 20.0atm. If the process is adiabatic and the fuel air mixture behaves a a diatomic ideal gas a) by what factor does the volume change b) by what factor does

    asked by ~christina~ on March 26, 2008
  16. Geometry

    1) Draw a valid conclusion if possible: Parallel lines do not intersect If lines do not intersect, then they have no points in common. **can this logical argument be identified by name? If yes, name it. 2)Draw a conclusion given AB bisects segment XT at

    asked by Krissy on October 7, 2007
  17. Algebra II

    I've been working on this one and I just can't figure it out. I appreciate all the help: Two miles upstream from his starting point, a canoeist passed a log floating in the river's current. After paddling upstream for one more hour, he paddled back and

    asked by Aaron on October 29, 2008
  18. Differential Equations

    The velocity v of a freefalling skydiver is well modeled by the differential equation m*dv/dt=mg-kv^2 where m is the mass of the skydiver, g is the gravitational constant, and k is the drag coefficient determined by the position of the driver during the

    asked by Erica on January 24, 2013
  19. Statistics

    Studies find a negative correlation between hours spent watching television and scores on reading tests. Does watching television make people less able to read? Probably, but this doesn't follow from the data. The studies are observational, and it might be

    asked by Karen on April 14, 2009
  20. Chemistry

    Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) -->

    asked by Avery on January 30, 2008
  21. english poetry-walt whitman

    i cant remember the name of that whitman poem where he's in a classroom or something and walks out and says something about learning everything he needs to from the stars. its been a while since i've read it,but its imperative that i know the title! Is

    asked by lisa on July 28, 2007
  22. algebra

    A man (we'll refer to him as man 1) starts from his home at 8 A.M. and drives a steady rate of 50 MPH. An hour later a second man ( man 2) starts to follow him. Draw a graph to represent these facts. From the graph find when man 2 overtakes man 1. Okay, I

    asked by Amal on June 8, 2010
  23. history

    can i please get some help on this question, what effect did the Bakke decision have on affirmative action? a. it legalized racial quotas for admission to medical schools b. it encouraged African Americans to apply to medical schools c. it signaled the

    asked by history on April 14, 2009
  24. calculus

    I got half of this problem wrong and I DO NOT know where and how to fix. I cannot use my calculator and have to show my work. Question: You have a 500 metre roll of fencing and a large field. You want to construct a rectangular playground area. a.) using

    asked by jj on December 18, 2013
  25. History

    Even though I asked this before, can you please help me with this and yes it's a crossword puzzle. My teacher gave us clues that don't really help at all and I've looked back in my textbook but I can't find the words for each clue. 1.Equality of Sexes 7

    asked by Jamie on March 29, 2015
  26. Calculus

    This is a problem we did previously on a test; my answer was marked correct, but I am having trouble getting my answer in the same form that my teacher gave it. The question: Find the derivative of (x/(x+1))^1/2 His answer: ( (x(x+1))^(1/2) ) / (2x(x+1)^2)

    asked by Lauren on April 14, 2009
  27. astronomy

    The red supergiant Betelgeuse has a surface temperature of 3600 K. a) Using the fact that the Sun's surface temperature is about 5800 K and that its continuous spectrum peaks at a wavelength of 500 nm, find the peak wavelength of Betelgeuse's continuous

    asked by Anonymous on October 18, 2015
  28. Algebra

    A community group is planning the expansion of a square flower garden in a city park. If each side of the original garden is increased by 9 meters, the new total area of the garden will be 169 square meters. Find the length of each side of the original

    asked by Sandra on April 4, 2014
  29. Math

    Find the total surface area if q solid cube of volume 98 cm cube. An open water tank with length 20 cm and width 15 cm holds 4.8 liters of water. Calculate the height of the water level in tank and the total sitface area of the cuboid in contact with

    asked by Julie charmster on February 20, 2011
  30. current and magnetism

    A current loop with radius 20 cm and current 2 A is in a uniform magnetic field of 0.5 T. Considering all possible orientations of the loop relative to the field, what is the largest potential energy difference (in Joules) you can find between two

    asked by James on November 24, 2013
  31. College Physics

    Two crates are connected by a massless rope that passes over a pulley. If the crates have mass 33 kg and 82 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 12 m above the floor, how long does it take for

    asked by Shannon on October 13, 2014
  32. Math

    Jasmine and her brother Nat are savibg to buy a digital camera that costs $135. Jasmine earns $15 per week for babysitting and spends $5 of it. Nat earns $18 per week for walking dogs and spends$7 of it. Which expression can be used to find how many weeks

    asked by Des on April 12, 2016
  33. astronomy

    The red supergiant Betelgeuse has a surface temperature of 3600 K. a) Using the fact that the Sun's surface temperature is about 5800 K and that its continuous spectrum peaks at a wavelength of 500 nm, find the peak wavelength of Betelgeuse's continuous

    asked by Tsambikos on October 24, 2015
  34. science

    Three horizontal ropes pull on a large stone stuck in the ground, producing the vector forces and shown in the figure below. Find the magnitude and direction of a fourth force on the stone that will make the vector sum of the four forces zero. The

    asked by Anonymous on September 8, 2014
  35. math

    A jewelry box with a square base is to be built with copper plated sides, nickel plated bottom and top and a volume of 40cm^3. if nickel plating costs $2 per cm^2 and copper plating costs $1 per cm^2, find the dimensions of the box to maximize the cost of

    asked by Rajesh on December 15, 2015
  36. math

    Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

    asked by Alana on September 12, 2014
  37. math

    Use the table to answer the following questions time (hours)------ Distance (miles) 2. 90 3 135 5 225 6 270 a. Find the constant of proportionality b. Use the constant of proportionality to write a unit rate for the data in the table c. Write an equation

    asked by Ms.I need help on April 11, 2019
  38. reiny

    How do I find a variance for a set of numbers {1,16,8,17,12} I got that variance-34.2, but I'm unsure. Any help? Thanks. math - Reiny, Sunday, January 24, 2010 at 8:16pm look at his page. Reiny - April, Sunday, January 24, 2010 at 8:25pm I looked at that

    asked by April on January 24, 2010
  39. math

    Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

    asked by Barbara on September 11, 2014
  40. Chemistry

    For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4Cr(s)+3O2(g)→2Cr2O3(s) 1.) 1 molCr; 1 molO2 2.) 4 molCr; 2.5 molO2 3.) 12 molCr; 10 molO2 4.) 14.8 molCr; 10.3 molO2 Express your answer as a

    asked by J.J on March 18, 2014
  41. Calculus II/III

    A. Find the integral of the following function. Integral of (x√(x+1)) dx. B. Set up and evaluate the integral of (2√x) for the area of the surface generated by revolving the curve about the x-axis from 4 to 9. For part B of our question , the surface

    asked by Ryoma on February 19, 2007
  42. math

    Running at an average rate of 4 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 2 meters per second. The total time for the sprint and the jog back was 2 minutes 6 seconds.

    asked by Tish on September 11, 2014
  43. math

    find the constant of proportionality and unit rate for the data in the table. Then write the equation to represent the relationship between time t and distance d Time Distance 2 hrs 90 miles 3 hrs 135 miles 5 hrs 225 miles 6 hrs 270 miles i need to show

    asked by Natasha on April 4, 2017
  44. algebra

    In 1990, the population of Africa was 643 million and by 2000 it had grown to 813 million. a.) Use the exponential growth model A=A0 e^kt, in which t is the number of years after 1990, to find the exponential growth function that models the data. b.) By

    asked by Kim on April 13, 2014
  45. Math repost for Will

    This was reposted because it was originally posted on another student's post. during a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3,600 meters, find the total distance

    asked by Ms. Sue on February 27, 2019
  46. physics

    Set a frictionless incline at various measured angles then determine the acceleration of a block by measuring the time it takes to increase from an initial speed to a final speed.If the angle is 20 and the initial speed is 0.68m/s and final speed is

    asked by Trista on November 21, 2010
  47. physics

    A bucket of mass 1.60 kg is whirled in a vertical circle of radius 1.30 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. (a) Find the speed of the bucket. Enter a number.1 m/s (b) How fast must the bucket move

    asked by asia on December 18, 2009
  48. Physics

    A mover finds that a 20 kg crate initially at rest requires a 75 N horizontal force to set the crate in motion, but only a 60 N force to maintain a constant velocity. Find a) the co-efficient of static friction between crate and floor. b) the co-efficient

    asked by Anonymous on October 13, 2016
  49. algebra

    I have to find the square footage of my kitchen floor with the length of one side being 8 inches. So, now I know I can make X=8. f(x)=x^2 is the template needed for this solution. If f(8)= the square footage of my kitchen floor, what will my answer be?

    asked by Carly on March 2, 2011
  50. physic

    Six roller-coaster carts pass over the same semicircular "bump." The mass M of each cart (including passenger) and the normal force n of the track on the cart at the top of each bump are given in the figures. Iam given the force in N of the cart at the

    asked by mike on October 27, 2010
  51. science

    A point charge of -4 mu or micro CC is located at x = 4 m, y = -2 m. A second point charge of 12 mu or micro CC is located at x = 1 m, y = 4 m. (a) Find the magnitude and direction of the electric field at x = -1 m, y = 0. I got 4545.69 N/C by using this

    asked by kenzie on September 2, 2014
  52. math

    let the random variable x denote the number of girls in a five-child family. if the probability of a female birth is .5 find the probability of 0,1,2,3,4, and 5 girls in a five-child family. construct the binomial distribution and draw the histogram

    asked by miranda on April 23, 2009
  53. real estate finance

    The annual insurance premium on Maria Snyder's house is $2,074 and the annual property tax is $1,403. If her monthly principal and interest payment is $1,603, find the adjusted monthly payment including principal, interest, taxes, and insurance (PITI).

    asked by tmouery on April 19, 2013
  54. Trigonometric Functions

    The average depth of the water in a port on a tidal river is 4m. At low tide, the depth of the water is 2m. One cycle is completed approximately every 12h. a)Find an equation of the depth, d(t)metres, with respect to the average depth, as a function of the

    asked by Sam on April 30, 2014
  55. Alebra

    I have this math project and I'm stumped on this word problem. Any point in the right direction would be greatly appreciated.. A movie theater had a certain number of tickets to give away. Five people got the tickets. The first got one third of the

    asked by Mike on November 21, 2007
  56. Math

    In a recent year there were the following numbers (in thousands) of licensed drivers in the United States. MALE: Age 19 and under - 4746 Age 20 - 1625 Age 21 - 1679 FEMALE: Age 19 and under - 4517 Age 20 - 1553 Age 21 - 1627 Choose one driver at random.

    asked by Alex on April 10, 2013
  57. essay research physcology

    hi, i'm writing an essay on deja vu and i'm researching right now. So i'm trying to find other phenomena similar to deja vu. so far, i found something called "jamais vu", "tip of the tongue"(presque vu), and the "l'esprite de l'escalier" Are there more

    asked by jen on October 14, 2008
  58. nutrition

    Hello, I have to do a one week menu plan for my nutrtion class for a childcare setting, and I can't find a menu template that I can use, any suggestions. Thanks

    asked by clark on November 1, 2006
  59. Art

    Think about how different class systems of people are represented during Art of Europe and America (1700 - 1900). Looking at the values and representation of values or ideas, please compare and contrast the visual subject, form, and content of these two

    asked by Amy on July 2, 2015
  60. Calc, Implicit Differentiation

    1) Let x^3 + y^3 = 28. Find y"(x) at the point (3, 1). y"(3)= The correct answer is: -2*3*28 = -168 3x^2 + 3y^2(dx/dy) = 0 6x + 6y(dx/dy) = 0 dx/dy = -6(3)/6(1) = -3 That's as far as i get... i don't even know if that's started right... You have x^3 + +

    asked by Michael on October 21, 2006
  61. English III (advice)

    My Assignment: Write a reflective essay in which you explore a personal experience or an event and reflect on its deeper meaning. I'm between a rock and a hard place with trying to find the perfect topic for this. I know you don't know anything about

    asked by Nirvana on February 5, 2016
  62. physics oscillator energy

    a block of wood of mass 0.25kg is attached to one end of a spirnf og constant stiffness 100N/m. The block can oscillate horizontally on a frictionless surface, the other end of the spring being fixed. a) calculate the maximum elastic potential energy of

    asked by Jess on November 3, 2008
  63. Criminal Justice/Terrorism

    Push logistics is a good, but expensive, way to be prepared for disasters. The best method to get your town council to budget these funds is to: A. explain that they will be subject to lawsuits for deaths if an incident happens and police, fire and EMS

    asked by Pat Mejias on July 8, 2015
  64. PHYSICS

    A 15g bullet is fired horizontally into a block of wood with a mass of 2.5 k and embedded in the block. Initially the block of wood hangs vertically and the impact causes the block o swing so that its center of mass rises 15cm. find the velocity of the

    asked by Anne on August 6, 2014
  65. statistics

    The actual amount of potato chips that a filling machine puts into an “8-ounce” bag varies from bag to bag. If we consider the amount put into each bag as a random variable having a normal distribution with σ = 0.05 ounce, find the mean such that only

    asked by Anonymous on March 22, 2012
  66. Trig

    A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right here is supposed to have a line through the middle of it, I think

    asked by MEGGG!!! on May 10, 2010
  67. math

    Mang jose wants to make a table which has an area of 8 m^2. The length of the table has to be 2 m longer than the width. 1. if the width of the table is p meters what will be its length? 2.form a quadratic equation that represents the situation? 3.find the

    asked by rainer ferrer on August 4, 2014
  68. stastics

    Approimately 10.3% of American high school students drop out of school before gradution. Choose 10 students entering high school at random. Find the probability that (Assume binomial distribution): a. Exactly two drop out b. At least 7 graduate c. All ten

    asked by keshia on April 26, 2012
  69. Calc!

    Direction: The table gives the position​ s(t) of an object moving along a line at time​ t, over a​ two-second interval. Find the average velocity of the object over the following intervals. a.​ [0, 2] b.​ [0, 1.5] c.​ [0, 1] d.​ [0, 0.5] t=

    asked by Jules on May 26, 2018
  70. Statistics

    A test of 60 youths and 140 adults showed that 22 of the youths and 10 of the adults were careless drivers. Use a 1% level of significance to test the claim that the youth percentage of careless drivers is higher than the adult percentage. Next find the

    asked by Polly on July 7, 2010
  71. Math

    1.A job hotline service charges $25 plus a 4% commission c on the first month of earnings if it finds work for a client. Write an equation that represents the total cost T to find a job through the hotline. What is the cost if a client earns $1500 the

    asked by Shadow on November 20, 2010
  72. Calculus

    A rectangular storage container with an open top is to have a volume of 10 . The length of its base is twice the width. Material for the base costs $12 per square meter. Material for the sides costs $5 per square meter. Find the cost of materials for the

    asked by John on July 19, 2017
  73. Physics-Please check

    I'm trying to find the gravitational force of an electron at earth's surface. I know I say Fg = mass electron * gravity Gravity in this case is 6.673*10-11 m^2/kg^2 correct, not 8.93 * 10^-30N that we used for force of acceleration, right. I use the

    asked by Melissa on April 10, 2011
  74. algebra

    A flagpole has a height of 6565 yards. It will be supported by three​ cables, each of which is attached to the flagpole at a point 55 yards below the top of the pole and attached to the ground at a point that is 3232 yards from the base of the pole. Find

    asked by melissa on April 10, 2016
  75. Trig

    A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right her is supposed to have a line through the middle of it, I think it

    asked by MEGGG!!! on May 10, 2010
  76. statistics

    Suppose a brewery has a filling machine that fills 12 ounce bottles of beer. It is known that the amount of beer poured by this filling machine follows a normal distribution with a mean of 12.44 ounces and a standard deviation of 0.06 ounce. Find the

    asked by Anonymous on November 6, 2011
  77. aglbera

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

    asked by kozy on April 30, 2011
  78. english literature

    i am writing a research paper about JOHN KEATS and his 3 works ( social political religious or any)_ but i didn't find some of the things about him. my question is: WHAT ARE THE SOCIAL POLITICAL AND RELIGIOUS CONTRIBUTION OF JOHN KEATS TO THE ENGLISH

    asked by martin on April 14, 2008
  79. physics

    a metal cylinder containing water at 60ged C, has a thickness of 4mm.And the thermal conductivity 400W per m per K. it is lagged by felt of thickness 2mm and thermal conductivity 0.002W per m per K. the room temperature is 10deg C.Find the temperature

    asked by ridhi on May 1, 2012
  80. physics

    A sphere of mass M is supported by a string that passes over a pulley at the end of a horizontal rod of length L. The string makes an angle è with the rod. The fundamental frequency of the standing waves in the portion of the string above the rod is f.

    asked by Anonymous on April 18, 2011
  81. statistics

    The average height of 18-year-old American women is 64.2 inches. You wonder whether the mean height of this year’s female graduates from your local high school is different from the national average. You measure an SRS of 78 female graduates and find

    asked by nina on April 11, 2013
  82. Math

    A photographer wants to print a photograph and two smaller copies on a rectangular sheet of paper. The larger photographer and the smaller photographs are in proportion. The larger photograph has a width of 4 inches and a length of 6 inches. Find the

    asked by Alexis on January 21, 2019
  83. physics

    On the way to the moon, the Apollo astronauts reach a point where the Moon’s gravitational pull is stronger than that of Earth’s. Find the distance of this point from the center of the Earth. The masses of the Earth and the Moon are 5.98 × 1024 kg and

    asked by ally on January 23, 2019
  84. algebra

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and

    asked by Taina on June 20, 2011
  85. math

    A ladder , 5 meter long , standing on a horizontal floor , leans against a vertical wall . If the top of the ladder slides downwards at the rate of 10 cm/sec . Find the rate at which the angle between the floor and the ladder is decreasing when the lower

    asked by lucky on June 19, 2011
  86. algebra

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer than the height that it reaches on the side of the bridge. Find the horizontal and

    asked by Elisa on June 19, 2011
  87. math

    The earth has a radius of 6,380 km. The formula for the volume of a sphere is �� V = 4/3 ðx^3, and the formula for surface area of a sphere is A = 4ðx^2 . Find the volume and surface area of the earth and write the answer in scientific

    asked by james on November 3, 2010
  88. algebra

    Could you help me with this? find the real zeros of f(x) = x^3-8^2+9x+18(x-8^2+9x+18 I know it must be real simple. I have a block somewhere. Thanks I think I understand the Descartes rule of sign change. This equation has 2 sign changes. The total amount

    asked by Dee on March 19, 2010
  89. PHYSICS

    1)A picture of width 40 cm weighing 40N hangs from a nail by means of flexible wire attached to the sides of the picture frame. The midpoint of the wire passes over the nail which is 3 cm higher than the points where the wire is attached to the frame. Find

    asked by Ann on November 29, 2010
  90. physics

    Pure helium is closed into cylinder with a movable piston. The initial volume, pressure, and temperature of the gas are 15 dm3, 2·105 Pa, and 300 K, respectively. If volume is decreased to 12 dm3 and the pressure increase to 3.5·105 Pa find the final

    asked by Thomas on January 11, 2016
  91. Algebra

    A turbo-jet flies 50 mph faster than a super-prop plane. If a turbo-jet goes 2000 miles in 3 hours less time than it takes the super-prop to go 2800 miles, find the speed of each plane. I do not understand how to do this at all. Please explain as well as

    asked by Gemma on May 24, 2009
  92. statistics

    A sample of 352 subscribers to Wired magazine shows the mean time spent using the Internet is 13.4 hours per week, with a sample standard deviation of 6.8 hours. Find the 95 percent confidence interval for the mean time Wired subscribers spend on the

    asked by Annette on March 19, 2012
  93. science

    On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of

    asked by ashley on September 4, 2010
  94. algebra

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

    asked by kozy on April 30, 2011
  95. Physics

    A hydraulic press has an input cylinder 4.0cm in diameter and an output cylinder 16cm in diameter. (a) Assuming 100 percent efficiency, find the force exerted by the output piston when a force of 170N is applied to the input piston.

    asked by Anonymous on May 28, 2016
  96. Precalc

    A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour less then the trip upstream. If the rate of the current is 4mph find the rate of the ship in still water and the time it takes to

    asked by Zack on August 8, 2018
  97. Rate of current and time

    A ship travels downstream for 36 miles and then makes the same return trip upstream. The trip downstream took 3/4 of an hour less then the trip upstream. If the rate of the current is 4mph find the rate of the ship in still water and the time it takes to

    asked by Zack on August 8, 2018
  98. Math help please!!!!!

    The triangles below are similar figures. Use a proportion to find the length of X.The longer triangle has 16 on the left side,6 on the bottom inside it says 120 degrees and at the top it says 25 degrees.The smaller triangle says x on the right, 5 on the

    asked by callie on November 10, 2014
  99. math help

    A 125-ft diagonal brace on a bridge connects a support of the center of the bridge to a side support on the bridge. The horizontal distance that it spans is 25 ft longer that the height that it reaches on the side of the bridge. Find the horizontal and

    asked by jackster on March 22, 2011
  100. Math help please!!!!!

    The triangles below are similar figures. Use a proportion to find the length of X.The longer triangle has 16 on the left side,6 on the bottom inside it says 120 degrees and at the top it says 25 degrees.The smaller triangle says x on the right, 5 on the

    asked by callie on November 10, 2014

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