1. Calculus

    A) The point p(3,1) lies on the curve y= square root x-2. If Q is the point (x, square root x-2) use your calculator to find the slope of the decant line PQ for the following values of x 1) 2.5 2.) 2.9 3.) 2.99 4.) 2.999 5.) 3.5 6.) 3.1 7.) 3.01 8.) 3.001

    asked by Alyssa on September 6, 2019
  2. Periodic Function (Trigonometric Fuctions)

    A lighthouse beacon rotates through 360 degrees every 12 seconds, it is located 100 m off the shore of an island with a coastline of steep cliffs running north and south. As the light beam sweeps clockwise, starting from the north (direction of 0 degrees),

    asked by Sammy on May 20, 2013
  3. Physics

    Please can you help out: 1)The Potential diff across the terminals of a battery is 8.5v when there is a current of 3amps in the cct from the -ve to the +ve terminal. When the current is 2amps in the reverse direction, the potential diff becomes 11volts. a)

    asked by Charles on April 17, 2007
  4. Probability

    Suppose that you visit Shire, and find that 28% of Hobbits believe in the existence of Elves, 16% believe in the existence of Ents, and 9% believe in the existence of both Elves and Ents. You come across a Hobbit: i) What is the probability that he will

    asked by Emma on December 7, 2013
  5. Statistics

    Suppose that you visit Shire, and find that 28% of Hobbits believe in the existence of Elves, 16% believe in the existence of Ents, and 9% believe in the existence of both Elves and Ents. You come across a Hobbit: i) What is the probability that he will

    asked by Emma on December 8, 2013
  6. Physics--Please Help!!

    A bullet of mass m=0.060 kg hits a 5.0 kg block with an initial speed of 225 m/s. The block is connected to a spring that is attached to a wall. The friction between the block and the table is negligible. Upon impact, the bullet bounces back from the box

    asked by Rob on October 28, 2012
  7. Physics... Help!

    A bullet of mass m=0.060 kg hits a 5.0 kg block with an initial speed of 225 m/s. The block is connected to a spring that is attached to a wall. The friction between the block and the table is negligible. Upon impact, the bullet bounces back from the box

    asked by Rob on October 28, 2012
  8. 7th grade math please help Ms. Sue

    4. Find the area for a triangle: base 14, height 5.5. (1 point) 19.5 cm² 77 cm² 38.5 cm² 770 cm² 5. Find the area of a parallelogram: base 5.2, height 2.3. (1 point) 10.6 cm² 12.96 cm² 5.98 cm² 11.96 cm² My answers: 4. 38.5 cm² 5. 11.96 cm²

    asked by Delilah on February 6, 2013
  9. Statistics

    Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses re made and each question has 6 possible answers. My answer is 1/36 Assume that the data has a normal distribution and the number of observations

    asked by Sue on December 4, 2006
  10. Math/Physics

    A car of mass 0.9 tonnes is driven 200 m up a slope inclined at 5° to the horizontal. There is a resistance force of 100 N. (i) Find the work done by the car against gravity. (ii) Find the work done against the resistance force. (iii) If the car slows

    asked by Autumn on January 8, 2018
  11. statistic

    3. In studying the efficiency of the federal court system, we look at the random variable, X, the amount of time elapsing between the filing of a charge and the trial date. A random sample of n = 86 cases yields a sample mean of 11.4 months, with sample

    asked by Tian on January 30, 2011
  12. Math!

    Consider the integral from 3 to 6 S(2x^2+4x+3)dx (a) Find the Riemann sum for this integral using right endpoints and n=3. (b) Find the Riemann sum for this same integral, using left endpoints and n=3.

    asked by <3 on June 8, 2009
  13. calculua

    consider the integral (4x^2+2x+4)dx from 0 to 6 Find the Riemann sum for this integral using right endpoints and n=3 and Find the Riemann sum for this same integral, using left endpoints and n=3

    asked by ryan on December 3, 2008
  14. Physics

    A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at 90.0 mph at a 30.0O angle (above the horizontal) toward center field. (a) Determine the impulse (in N.s) acting on the ball. (b) If the impact time is 0.00080 s,

    asked by Chad on August 7, 2012
  15. Physics

    A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at 90.0 mph at a 30.0O angle (above the horizontal) toward center field. (a) Determine the impulse (in N.s) acting on the ball. (b) If the impact time is 0.00080 s,

    asked by Chad on August 6, 2012
  16. Physics

    A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at 90.0 mph at a 30.0 O angle (above the horizontal) toward center field. (a) Determine the impulse (in N.s) acting on the ball. (b) If the impact time is 0.00080 s,

    asked by Zac on August 3, 2012
  17. Data Management (need help)

    Suppose that the SJCS and Mary Ward are in the basketball final. In this best-of-three series, the winner is the first team to win two games. There are 60% chances SJCS TEAM will win first game. If SJCS wins, there are a 70% chance of winning next game and

    asked by Rose on March 9, 2016
  18. Algebra II

    One method of irrigating crops is called the center picot system. This system rotates a sprinkler pipe from the center of the field to be irrigated. Suppose a farmer places one of these units at the center of a square plot of land 2500 feet on each side.

    asked by Alexis on April 1, 2014
  19. algebra

    find five numbers with a mean of 16, a median of 15 a mode of 21 and a range of 11. hi Anna i hope this helps median is the middle number . mean is all the numbers added up then divided by the amount of numbers. mode is the number that occurs most often.

    asked by Anna on August 17, 2006
  20. Probability

    Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly

    asked by Kelsey on December 2, 2012
  21. Math

    Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly

    asked by James on December 1, 2012
  22. Probability

    Can someone please help me? certain medical diagnostic test is used to determine if people have pinkyitis and it is known that 1 in 1300 Americans has the disease. The test correctly diagnoses the presence of pinkyitis 97% of the time and it correctly

    asked by James on December 1, 2012
  23. Math

    Mr. Smith is purchasing a $190000 house. The down payment is 20% of the price of the house. He is given the choice of two mortgages: (A) a 25-year mortgage at a rate of 8%. Find: (i) The monthly payment: $ (ii) The total amount of interest paid: $ (B) a

    asked by Amber on November 8, 2012
  24. Health

    A pair of police officers broke up a high school party that had no adult supervision. They noticed most teens were talking really fast and excitedly, breathing quickly, and even one teen was having convulsions. When they called paramedics, which type of

    asked by Janet on November 12, 2015
  25. Physics

    Visitors at a science museum are invited to sit in a chair to the right of a full-length diverging lens (f1 = -3.3 m) and observe a friend sitting in a second chair, 1.94 m to the left of the lens. The visitor then presses a button and a converging lens

    asked by tommm on April 22, 2013
  26. Chemistry

    You do it by finding Uuh in the periodic table and knowing that it will have chemical properties that are similar to those in the group with it. Here is a periodic table on the web. Find element #116 and observe the other elements in the same group (O, S,

    asked by DrBob222 on February 5, 2007
  27. Electricity

    RCL Circuits electricity!? A 50V, 50Hz supply is connected to a series circuit consisting of a resistance, a 20mH inductor and a capacitor. a) Find the value of the capacitance and the power dissipated in the circuit when: (i) The current has a magnitude

    asked by Claire on January 21, 2010
  28. physics

    Two cars are initially moving at constant speeds of 50 m/s (first car) and 30 m/s (second car) along a straight track with the first car being behind. At a certain point (e.g. point A) on the track the first car overtakes the other one. At this very moment

    asked by Chris on September 29, 2011
  29. Calculus

    a) A boat is pulled into a dock by a rope attached to the bow ("front") of the boat and passing through a pulley on the dock that is 1m higher than the bow of the boat. If the rope is pulled in at a rate of 1m/s, how fast is the boat approaching the dock

    asked by Web7 on November 2, 2011
  30. physics

    A motorcycle daredevil is attempting to jump across as many buses as possible (see the drawing). The takeoff ramp makes an angle θ = 16.8° above the horizontal, and the landing ramp is identical to the takeoff ramp. The buses are parked side by side, and

    asked by Danielle on September 21, 2014
  31. Chinese

    1. To whom would it be most appropriate to say please or thank you in the Mandarin-speaking world? to a waitress at a restaurant * to a brother or sister to a close friend 2. How are meals balanced in the Mandarin-speaking world? usually equal portions of

    asked by hi on March 21, 2019
  32. Math

    Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to 250. Its cost (in dollars) for a run of x hockey jerseys is C(x) = 2500 + 10x + 0.2x2 Domain(0 ≤ x ≤ 250) Gymnast Clothing sells the jerseys at $105

    asked by Jamie on February 11, 2012
  33. Physics - rojectile Motion (check pls)

    Imagine that you are solving a problem in projectile motion in which you are asked to find the time at which a projectile reaches a certain vertical position. when you solve the problem you find out two different positive values for time that both satisfy

    asked by Shaila on August 21, 2010
  34. Physics

    The determined Wile E. Coyote is out once more to try to capture the elusive roadrunner. The coyote wears a new pair of Acme power roller skates, which provide constant horizontal acceleration of 15 m/s^2. The coyote starts off at rest 70 m from the edge

    asked by Mary on September 21, 2009
  35. phyics

    A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. Find a time that the dart moves inside the barrel. Express your answer in terms of the variables L

    asked by rachel on September 19, 2015
  36. American Government

    The fabric of American empire ought to rest on the solid basis of the consent of the people. the streams of national power ought to flow from that pure, original foundation of all legitimate authority. 1) which of the following constitutional principles

    asked by Roxanne on February 8, 2017
  37. Social studies

    1. what was the main reason most early settlers gradually spread across the americans? They were constantly under attack from neighbors tribes They often relocated to find more favorable farming conditions They traveled far and wide to trade their goods

    asked by Chickis on August 31, 2016
  38. physics

    A particle has a charge of +1.5 µC and moves from point A to point B, a distance of 0.19 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric

    asked by Taylor on January 17, 2012
  39. physics

    A particle has a charge of +1.5 µC and moves from point A to point B, a distance of 0.19 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric

    asked by Taylor on January 17, 2012
  40. Quantitative Literacy | MAT106 VG

    Pick four cities and divide them into pairs. Use the Internet to find the length of the circle between the first pair of cities. You might try using the site Great Circle Mapper or a similar Web site to help you. Estimate the great circle path between

    asked by TANYA on October 15, 2010
  41. advance geometry

    A plane is flying east, ascending at a constant angle. Jack is standing on the ground, watching the plane come to (horizontally) directly at him. When he first sees the plane, at an angle of elevation of 15 degrees, its horizontal distance from him is

    asked by maha on April 25, 2010
  42. physics

    0.10- baseball moves toward home plate with a velocity = (-31 ). After striking the bat, the ball moves vertically upward with a velocity = (21 ). Find the direction of the impulse delivered to the ball by the bat. Assume that the ball and bat are in

    asked by john on July 11, 2010
  43. Statistics

    A certain type of lightbulb is advertised to have an average lifetime of 1,000 hours. Assume the lifetimes of these lightbulbs are approximately normally distributed with a standard deviation of 250 hours. A) Find the percentage of lightbulbs that will

    asked by Kerry on May 20, 2016
  44. Science

    Thank you! Why is there a lunar eclipse only twice a year and not once a month? Thanks for the help. On the night of May 15/16 we will be able to see a total lunar eclipse. Lunar eclipses can only happen when the Moon is full and it passes behind the Earth

    asked by Larry on February 19, 2007
  45. Physics

    An electron enters the region with u=3*10 6 m/s and E=200N/C. The horizontal length of the plate is 0.1m. Find a. The wavelength of the electron while it is in the electric field b. If the electron enters the field at time,t=0.find the time at which it

    asked by Baruck on July 12, 2018
  46. Help Somebody please.

    Project: Data Analysis The following chart lists the average low, average high, record low, and record high temperatures for the month of April in Denver, Colorado. Day Average Low Average High Record Low Record High April 1 32°F 58°F 6°F 78°F April 2

    asked by Morgan S on December 28, 2012
  47. Urgent!

    Project: Data Analysis The following chart lists the average low, average high, record low, and record high temperatures for the month of April in Denver, Colorado. Day Average Low Average High Record Low Record High April 1 32°F 58°F 6°F 78°F April 2

    asked by Morgan S on December 27, 2012
  48. poetry/essay help

    Hello! I wrote an essay comparing and contrasting Anglo-Saxon vernacular riddles and Emily Dickinson literary poetry. Since my essay is 9 pages long, can someone just look over my intro and conclusion. Those are the two I'm having trouble with. If someone

    asked by michelle on April 2, 2007
  49. Math 117

    3. In 2002, Home Depot’s sales amounted to $58,200,000,000. In 2006, its sales were $90,800,000,000. a. Write Home Depot’s 2002 sales and 2006 sales in scientific notation. You can find the percent of growth in Home Depot’s sales from 2002 to 2006 by

    asked by Goldi on January 7, 2012
  50. Algebra

    3. In 2002, Home Depot’s sales amounted to $58,200,000,000. In 2006, its sales were $90,800,000,000. a. Write Home Depot’s 2002 sales and 2006 sales in scientific notation. You can find the percent of growth in Home Depot’s sales from 2002 to 2006 by

    asked by Devon on July 4, 2010
  51. Math- Double check

    Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650

    asked by Kim on March 23, 2008
  52. Geometry

    Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced by the 180-degree sector is

    asked by Sarah on April 17, 2010
  53. geometry

    11. Infinitely many different sectors can be cut from a circular piece of paper with a 12-cm radius, and any such sector can be fashioned into a paper cone with a 12-cm slant height. (a) Show that the volume of the cone produced by the 180-degree sector is

    asked by Sarah on April 15, 2010
  54. linear algebra

    which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for

    asked by chris on July 19, 2007
  55. Math

    I need help with number 19-21 I don't get it. 19. Workpad Note: In questions 19-21, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work.

    asked by Sorry no one here on November 26, 2018
  56. precalculus

    The acceleration acting on a falling object due to gravity varies inversely with the square of the object's distance from the center of Earth. At the surface of Earth, where x = 1 Earth radius, the acceleration is y = 9.8 m/s2 1. Use the multiply-multiply

    asked by Anonymous on January 20, 2011
  57. Calculus

    Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the? Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = 8. 27y = x^3, y = 0,

    asked by John on January 31, 2012
  58. Math

    Suppose you deposit $2000 in an account with an annual interest rate of 7% compounded quarterly. Use the formula A=P(1+r/n)^n*t and round each answer to 2 decimal places, if necessary. a. Find an equation that gives the amount of money in the account after

    asked by Keonn'a on December 4, 2018
  59. Math

    A box contains 95 pink rubber bands and 90 brown rubber bands. You select a rubber band at random from the box. Find each probability. Write the probability as a fraction in simplest form... Can you guys explain part C. You repeatedly choose a rubber band

    asked by JiaMT on April 18, 2018
  60. geometry

    You have looked at it two times before. There are 30 questions worth 30 points. Part 1 Multiple Choice: Select the best answer from the choices provided. (Each question is worth one point) 1. Determine how many wheels are turning clockwise. 1 2 none 2.

    asked by joe on June 23, 2009
  61. Please review

    Question is what do the terms race and ethnicity man to you? Question is Why are these concepts important to United States Society? Answer: The term race to be means the way a person distinguishes how one looks at ones skin color, facial features, ancestry

    asked by ann on July 1, 2007
  62. Orientalism

    List two to three characteristics of Orientalism We've had many questions about Orientalism in the last year, but many of us don't really know what it means. Please post a definition of Orientalism, and we'll try to help you find its characteristics. These

    asked by Anonymous on May 16, 2007
  63. caluclus homework help

    (1) A toy truck travels at a rate of 0.5t ft/sec after t seconds of travel (so after 6 seconds the truck is traveling 3 ft/sec). a) Graph the speed of the truck vs. time for 0

    asked by Leslie on January 20, 2008
  64. Calculus help!

    (1) A toy truck travels at a rate of 0.5t ft/sec after t seconds of travel (so after 6 seconds the truck is traveling 3 ft/sec). a) Graph the speed of the truck vs. time for 0

    asked by anonymous on January 21, 2008
  65. ap calculus

    The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 6 feet is given as a function of time t (in seconds) by s(t)=-16t^2+112t+20. 1. What is the maximum height of the ball? 2. At what time does

    asked by muffy on September 18, 2009
  66. Calculus

    Consider the function f(x)=sin(5x)/x. (a) Fill in the following table of values for f(x): x= -0.1 -0.01 -0.001 -0.0001 0.0001 0.001 0.01 0.1 f(x)= ( I need the values of f(x) for each x) (b) Based on your table of values, what would you expect the limit of

    asked by Abi on February 9, 2011
  67. Finance

    Company is planning to buy a machinery at a cost of $20 million. This machine will be used for 10 years. The machine will bring additional revenue as follows: $10 million for first 6 years and $7 million for the last 4 years Expenses = 60% of revenue for

    asked by Tanner on June 27, 2015
  68. statistics

    5) The lifetime of a medical device s a normally distributed rv with standard deviation of 2 years. An experiment is conducted to test 15 medical devices and find their lifetimes to be: a. If the population mean is known to be 15 years, what is the

    asked by nur on December 8, 2012
  69. Precalculus

    I'm working on a project and I need some help with figuring out the equations to write. Here is all the information about the project: You and your friends decide to produce your own CD. After searching on the Internet, you find a low-cost CD duplication

    asked by Courtney on November 18, 2007
  70. Science

    My physical science class is doing an experiment on the mass of pennies. I hypothesized that newer pennies would have less mass because cheaper materials are being used. I found that before 1982, pennies were made from 95% copper/5% zinc, and after 1982

    asked by Beth on September 8, 2007
  71. ae

    Complete the following: Many teachers leave the profession after their first year as an educator. Examine programs that encourage individuals to stay in the profession of teaching and lower the attrition rate. o How does a mentoring program differ from an

    asked by scooby9132002 on June 28, 2009
  72. Iraq

    can you find a site of a total # of troops that have died since the president's new plan http://siadapp.dior.whs.mil/personnel/CASUALTY/castop.htm I went to http://www.fedstats.gov to find this. =) I found this site that shows that 53 troops were killed in

    asked by ConFuzzled on January 21, 2007
  73. Math

    Archaeologists often find only parts of ancient human remains. For example, they may find a small finger bone, called the metacarpal bone. Is it possible to predict the height of a human from the length of his or her metacarpal bone? To investigate, a

    asked by Tracy on February 20, 2014
  74. Physics

    A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A^2 = 0.0700 m2. The gas has a density of ρ = 1.80 kg/m3. The

    asked by Sam on November 23, 2012
  75. Physics

    A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0700 m^2. The gas has a density of ρ = 1.80 kg/m^3. The

    asked by Jim on November 19, 2012
  76. Statistics

    A Swedish study used 1360 patients who had suffered a stroke. The study randomly assigned 684 patients to receive a placebo treatment and the rest to receive an aspirin treatment. Out of those who received the placebo treatment, 28 died due to heart attack

    asked by Katerina on November 28, 2010
  77. statistics

    Based on data from the National Center for Health Statistics, N. Wetzel used the normal distribution to model the length of gestation for pregnant US woman ( Chance, Spring 2001). Gestation length has mean of 280 days with a standard deviation of 20 days.

    asked by lindsey on March 17, 2013
  78. stats.

    Based on data from the National Center for Health Statistics, N. Wetzel used the normal distribution to model the length of gestation for pregnant US woman ( Chance, Spring 2001). Gestation length has mean of 280 days with a standard deviation of 20 days.

    asked by Lindsey please help on March 17, 2013
  79. math check

    A machine produces parts with lengths that are normally distributed with ó = 0.52. A sample of 16 parts has a mean length of 75.07. (a) Give a point estimate for ì. (Give your answer correct to two decimal places.) 75.07. (b) Find the 99% confidence

    asked by TOM7 on June 19, 2013
  80. Math

    Hands on : Multiplication patterns with 10,100,and 1,000 1/ Rebecca has 4 boxes of 20 cookies . She wants to know the total number of cookies . Which basic fact must she know to compute the total? What is the total? Answer: 4*20= 80 2/ Jermy is at a

    asked by NAwaf on February 24, 2014
  81. Math sin/cos

    On a piece of paper draw and label a right triangle using the given sides, solve for the unknown side and write the trigonometric functions for angles A and B, if a=5 and c=7. I already found side b which equals 2 sqrts of 6. Now I need to find the sin/cos

    asked by Anonymous on March 10, 2007
  82. Calc 1

    Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ x^7e^−x^6 Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim

    asked by TayB on April 20, 2015
  83. Physics

    An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing a displacement of 148.3 m in the positive x direction. Because it is still under the same acceleration it then travels back in

    asked by Sammy on September 4, 2014
  84. Physics

    An object has a initial velocity of 10 m/s in the positive x direction. Under a constant acceleration it stops after undergoing a displacement of 148.3 m in the positive x direction. Because it is still under the same acceleration it then travels back in

    asked by Samantha on September 3, 2014
  85. statistic

    A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never

    asked by sasha on January 5, 2013
  86. stastics

    A survey of drivers in the United States found that 15% never use a cell phone while driving. Suppose that drivers arrive at random at an auto inspection station. a. If the inspector checks 10 drivers, what is the probability that at least one driver never

    asked by level crawford on May 3, 2011
  87. Math 7B

    A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a blue marble, then a red marble if the marbles are not replaced. a. 5/44 b. 15/35 c. 2/3 (i pick this) 2. 1/15 2. Find the probability of choosing two white marbles in

    asked by Sarah on February 29, 2016
  88. Maths Percentage (6th Grade)

    David has $5 in his wallet. This was 10% of the amount that he received from his mother. Find the total amount of money that David received from his mother. 35% of the number of books Ibrahim owns are fiction boos, find: a.) the total number of books he

    asked by Sam on October 11, 2012
  89. Science

    Could someone please explain to me in a simple way how FM, AM, and XM radio signals work? No one I ask seems to know. Thanks for the help. Radio waves are part of a general class of waves known as electromagnetic waves. In essence, they are electrical and

    asked by Jenna on February 18, 2007
  90. science

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 ∘ west of north, and the resultant of these two pulls is 530.0 N directly northward. Part A Use vector components to find the

    asked by Dalal on September 15, 2015
  91. physics

    A block of mass 4.0 kg is put on top of a block of mass M = 6.0 kg. To cause the top block to slip on the bottom one, while the bottom one is held fixed, a horizontal force of at least 19 N must be applied to the top block. The assembly of blocks is now

    asked by tripp on February 18, 2010
  92. Physics

    A cannon is rigidly attached to a carriage,which can move along horizontal rails but is connected to a post by a large spring, initially unstretched, of force constant 60000 N/m. The cannon fires a 305 kg projectile at a velocity of 174 m/s directed

    asked by amanda and leah on January 29, 2012
  93. Geometry

    1. In the formula -2x-y=7, what is the slope? 2. An isoceles trapezoid has____pair(s) of parallel sides. 3. Is a triangle with sides of 6,8, and 10, a right triangle? yes or no. 4.Find the area of the rectangle(30cm, 40cm,40cm. 5. Use factoring to simplify

    asked by Patricia on April 15, 2010
  94. physics

    1 A block of mass mb sits atop a at wooden plank of mass mp on a plane inclined an angle theta with respect to thehorizontal. The two are supported near the bottom of the plane by a spring of spring constant k that is in contactwith the plank but not the

    asked by lala on October 18, 2011
  95. Math

    What is the solution of the following equation? 2 – 8x = -6 Is the ordered pair (-2, 9) a solution of the equation y = x - 7? Solve the following equation. 3(z – 2) – z = 4z – 20 Find the slope of the line that passes through the points (4, 8) and

    asked by REEEEEEEEEE on January 16, 2018
  96. accounting

    Accounting 103 ScrawnyOcean2290 asked Dominic Hunter, a second-year business student at the University of Utah, will graduate in two years with an accounting major and a Spanish minor. Hunter is trying to decide where to work this summer. He has two

    asked by dal on August 5, 2012
  97. Math

    Please help just get started Sarah went trick-or-treating for Halloween. Because of her braces, she could not eat of the candy she received since it was either sticky or chewy. Of the candy she could not eat, she gave 2/3 of it to her older brother Bradley

    asked by Sam on January 31, 2019
  98. Physics

    A venturi meter is a device for measuring the speed of a fluid within a pipe. The drawing shows a gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0600 m2. The gas has a density of ñ = 1.70 kg/m3. The

    asked by kyle on November 17, 2008
  99. Biology, Art

    I was doing some research for a wildlife art contest in January and I can't seem to find a specific bit of information that is crucial to my painting. The contest requires me to paint a Greater Short Horned Lizard (Phrynosoma hernandesi) and I know that

    asked by Harley on October 24, 2011
  100. Statistics

    For questions 1-5, write the null and alternative hypothesis. 1. Does the water temperature have an effect on the number of people in the pool? 2. Does the weather have an effect on the number of people at the beach? 3. A fitness center is running a

    asked by Cam on May 3, 2013

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