1. Statistics

    The length of pregnancies are normally distributed with a mean of 273 days in the standard deviation the 15 days. If 36 women are randomly selected find the probability that they have a mean pregnancy between 273 days in 275 day

    asked by Niki on July 9, 2019
  2. Physics

    a uniform rod of 3 kg and length 1 m is suspended from a fixed point by means of strings of length .8m and .6m which are attached to the free ends of the rod such that rod is horizontal. find the tensions in the string

    asked by Ashley on September 19, 2011
  3. algebra

    Bob bought a fax machine for $750. The fax depreciates at the rate of $25 a month. Find a function "F" that can be determine the value of the fax machine t months after the purchase. Complete the model: F(t)=

    asked by Blake on January 6, 2010
  4. Chemistry

    A first order reaction has a rate constant of 0.0733 s−1. What is the half life for this reaction in seconds? when I plug in the numbers in the formula, my answer was 9.45. But on the computer it says the answer is wrong. How do I find the right answer?

    asked by Alex on March 20, 2011
  5. Prealgebra

    Find the surface area of the prism. Round to the nearest tenth if necessary. The three sides are all 8.1 inches, the area of the base is 28.4 inches^2, and 12 inches is the length. It's a,b,c, or d. A. 348.4 in^2 B. 320 in^2 C. 291.6 in^2 D. 251.2 in^2

    asked by Megan on April 24, 2015
  6. Physics

    A student is skateboarding down a ramp that is 8.33 m long and inclined at 24.5° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 4.12 m/s. Neglect friction and find the speed at the bottom of the ramp.

    asked by Robert on July 8, 2014
  7. Physics

    In the drawing, the weight of the block on the table is 405. N and that of the hanging block is 191. N. Ignore friction, the mass of the rope, and the mass of the pulley. Find the acceleration of the two block system in m/s2.

    asked by Toung on December 19, 2012
  8. business math

    Stereo Inc. sells a stereo system for $500 down and monthly payments of $60 for the next 4 years. If the interest rate is 1.75% per month, find: a) The cost of the stereo. b) The total amount of interest paid.

    asked by Alex on March 18, 2015
  9. Physics

    A student is skateboarding down a ramp that is 5.9 m long and inclined at 14° with respect to the horizontal. The initial speed of the skateboarder at the top of the ramp is 2.5 m/s. Neglect friction and find the speed at the bottom of the ramp.

    asked by vanessa on February 17, 2018
  10. math

    From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

    asked by ashely on April 18, 2011
  11. Physics

    A stream of water emerges horizontally from firehouse at velocity of 15.0 m/s. If the nozzle is 10.0 m above the ground, find a. the time required for the water to reach the ground b. the horizontal distance traveled by the water

    asked by Eclipse on July 22, 2017
  12. Physics

    A uniform horizontal beam 300N 5m long is suspended vertical from its two end by a rope, if a 600N person stands in 1.5m from its left end find the tension in each end of the rope.

    asked by Mordu on July 30, 2018
  13. algebra 1

    From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

    asked by Maram on April 19, 2011
  14. intermediate algebra

    a cyclist bikes at a constant speed for 19 mile. He then returns home at the same speed but takes a different route. His return trip takes one hour longer and is 24 miles. Find his speed

    asked by maria on November 8, 2016
  15. Math

    A particle is moving along the curve y= 2 \sqrt{4 x + 4}. As the particle passes through the point (3, 8), its x-coordinate increases at a rate of 5 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

    asked by Alessandra on October 27, 2014
  16. calculus

    a norman window is constructed by adjoining a semicircle to the top of an ordinary rectangular window. Find the dimensions of a Norman window of maximum area it the total perimiter is 52 feet.

    asked by Anonymous on December 9, 2012
  17. Math

    What is the sum of the first 200 odd numbers? A rectangle has an area of 120 cm square we are trying to find possible perimeters. It's length and width are whole numbers. What are all the possibilities for the 2 numbers? Give next two terms

    asked by Brittany snow on January 9, 2012
  18. algebra

    The base of an isosceles triangle and one of its legs have lengths that have consecutive integers. The leg is longer than the base. The perimeter of the triangle is 20. Find the length of each side of the triangle. *Please help me- I am having a really bad

    asked by anonymous on October 27, 2007
  19. Math

    THE POINT (8,-3)LIES ON THE CURVE Y=3/(7-X) (a)IF Q IS THE POINT (x,3/(7-X)) USE YOUR CALCULATOR TO FIND THE SLOPE OF THE SECANT LINE PQ CORRECT TO SIX DECIMAL PLACES FOR THE VALUE OF X. (i)7.9 Mpq? (ii)7.99 mPQ? (iii)7.999Mpq? (iV)7.9999 MPQ?

    asked by Tee on January 23, 2015
  20. Physics

    A 800 N crate is being pulled across a level floor by a force F of 320 N at an angle of 29° above the horizontal. The coefficient of kinetic friction between the crate and the floor is 0.25. Find the magnitude of the acceleration of the crate.

    asked by Bridge on October 2, 2011
  21. calculus

    Find the area bounded by {y=x2−4 y=4−x2 • sketch the region described • determine any intersection point(s) for the curves (show work!!) • write out the integral(s) that will calculate the area • determine the area (may use a calculator)

    asked by Will on October 3, 2013
  22. Math

    You play a game where you win $1.00 for each dot that turns up on a fair die (has 6 sides). You pay $3.50 to play the game (and the money is not returned). Find the expected (average) winnings for this game.

    asked by Alexis on February 27, 2012
  23. Physics

    A 1060 N crate is being pulled across a level floor by a force F of 300 N at an angle of 35° above the horizontal. The coefficient of kinetic friction between the crate and the floor is 0.25. Find the magnitude of the acceleration of the crate in m/s^2

    asked by Alyssa Thompson on January 13, 2013
  24. math

    From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

    asked by ashely on April 18, 2011
  25. math

    Tim flies roundtrip twice yearly between Atlanta and Los Angeles. The distance between the two cities is 2,150 miles. Estimate the distance he flies for both trips. Then find the exact distance.

    asked by Sebby on August 28, 2013
  26. Physics

    a Particle in x-y plane with const acceleration of 1.5m/s sq. in the direction making an angle 37degree with x_axis. At t=0 the particle is at origin and its velocity is 8m/s along x axis.Find the velocity and the position of the particle at t=4sec.

    asked by Ramakanth on August 1, 2016
  27. Math

    Find the value(s) of x for which the equation is true. log(x + 20) = log(x) + log(20) Solve the logarithmic equation for x. (Enter your answers as a comma-separated list. Round your answer to four decimal places.) ln(x − 2) + ln(x + 3) = 1

    asked by Gianna on July 17, 2018
  28. math

    The dimensions of a door are 3 ft wide by 7 ft 6 in high. If the same amount is added to each dimension of the door, the area is increased by 5.5 ft2. Find the dimensions of the new door. (Round your answer to one decimal place.)

    asked by anonymous on September 27, 2018
  29. physics

    A 22.0 kg box is sliding down on an incline set at (44) degrees up from horizontal. The coefficient of kinetic friction between the box and the incline is (.27). Find the acceleration of the box. Give your answer in m/s2 and with 3 significant figures.

    asked by l on February 21, 2017
  30. Math

    Two small planes start from the same point and fly in the same direction. The first plane is flying 35 mph slower than the second plane. In 2 hrs, the planes are 530 mi apart. Find the rate of the slow plane.

    asked by Mathew on February 4, 2010
  31. Math

    Directions: Find the Location on Unit Circle, Period & General Solution for this problem>>>>>>> sin^2x=3cos^2x What I have so far: sin^2x=3cos^2 sin^2x/cos^2=3 tan^2x=3 tanx=+and- sqrt3

    asked by Rachel on January 27, 2015
  32. music

    i have to do a project about 'west end musicals' can anyone suggest how i structure his and what i should include because I don't know what to include. shall i include a page about a popular musical and so on or not? can anyone find any useful sites which

    asked by Nabiha on March 23, 2009
  33. physics

    You have a friend who is an archer and she wants to know how fast the arrows leave her bow. You have her launch an arrow horizontally, 1.5 m above the ground, and find that the arrow lands 33 m away. What is the initial velocity of the arrow as it leaves

    asked by katelyn on October 8, 2010
  34. math

    the population of Smallville in the year 1890 was 6250.assume the population increased at a rate of 2.75% per year. predict when the population reached 50,000 I'm not suppose to use logs to find the answer :(

    asked by hana on January 14, 2013
  35. Math

    From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

    asked by Barnie on April 18, 2011
  36. Math

    From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

    asked by ashely on April 18, 2011
  37. Geometry

    The lateral area of a regular pyramid is 300 square units. The perimeter of its base is 100 units. Find the slant height of the pyramid. my answer is 5 units is this correct?

    asked by mary on April 18, 2011
  38. physics

    A bag of cement of weight 325N hangs from wires as Shawn. Two of the wires make angels al=60 degrees a2=50 degrees with the horizontal. If the system is in equilibrium find the tension T1, T2 and T3 in the wires.

    asked by Chansa on May 4, 2016
  39. calculus

    A particle is moving along the curve y=5sqrt(3x+1). As the particle passes through the point (5,20) its x-coordinate increases at a rate of 3 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

    asked by =/ on October 5, 2011
  40. physics

    A crate of potatoes of mass 12.0 kg is on a ramp with angle of incline 30° to the horizontal. The coefficients of friction are μs = 0.69 and μk = 0.43. Find the frictional force (magnitude and direction) on the crate if the crate is sliding down the

    asked by nadine on September 19, 2013
  41. Mathematics

    The height in metres of the water in a harbour is given approximately by the formula d=6+3cos30t, where t is the time in hours from. Find a) The height if the water at 9:45pm b) The highest and the lowest water level and occur

    asked by David on September 20, 2017
  42. physics

    a car is traveling with a speed of 15 m/s on a stratight horzontal highway. the wheels of the car have a radius of 50cm.if the car then speeds up with an acceleration of 2 m/s for 5s, find the number of revolution of the wheels during this period.

    asked by abdo on June 28, 2011
  43. 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/s2. Find the time the ball is in motion

    asked by Maurissa on October 26, 2014
  44. calculus

    The figure shows the region bounded by the x-axis and the graph of . Use Formulas (42) and (43)-which are derived by integration by parts-to find (a) the area of this region; (b) the volume obtained by revolving this region around the y-axis.

    asked by rene on May 29, 2010
  45. physics

    A 5kg block is being moved to 3m by a force of 50N inclined to the horizontal at an angle of 30°. Assuming that a friction force of 5N opposing its motion ,find the acceleration of the block and the work done by the block.

    asked by Philomena on June 12, 2017
  46. Calculus

    I'm extremely confused on what to do in part a of this question. Consider the curve given by x=3sin(theta), y=1+2cos(theta), 0

    asked by Sarah on March 13, 2013
  47. D.E

    A particle moves on the x-axis with an acceleration, 246msta. Find the position and velocity of the particle at 3t, if the particle is at origin and has a velocity of 10ms when 0t by using either the method of undetermined

    asked by Farah on November 20, 2011
  48. ALGERBRA

    Patricia owned so many posters that she decided to sell 63 of them to her friends. After selling the posters, she still had 172 left. Write and solve an equation to find the number of posters p Patricia had originally

    asked by TOM on March 8, 2012
  49. Calculus

    The position function of a particle in rectilinear motion is given by s(t) = 2t^3 – 21t^2 + 60t + 3 for t ≥ 0. Find the position and acceleration of the particle at the instant the when the particle reverses direction. Include units in your answer.

    asked by Mel on January 8, 2016
  50. math

    From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.

    asked by ashely on April 18, 2011
  51. pre cal

    Find a possible formula for the function graphed below. Assume the function has only one x-intercept at the origin, and the point marked on the graph below is located at (2,12). The asymptotes are x=−2 and x=1. Give your formula as a reduced rational

    asked by tor on July 28, 2016
  52. stastics

    solving problem the chicago public school system has about 680 schools about 130 of the schools will be closed. if the five schools are chosen at random find the probability that at least three of them willl be closed

    asked by lilly on April 3, 2013
  53. Calc

    A particle is moving along the curve y= 4 sqrt{2 x + 2}. As the particle passes through the point (1, 8), its x-coordinate increases at a rate of 5 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

    asked by Lucy on April 21, 2014
  54. math

    The dimensions of a door are 3 ft wide by 7 ft 6 in high. If the same amount is added to each dimension of the door, the area is increased by 5.5 ft2. Find the dimensions of the new door. (Round your answer to one decimal place.)

    asked by anonymous on September 27, 2018
  55. physics

    The throttle of an electric train is shut off at a speed of 48 km/h. The total mass of the train is 81 tonne and the combined resistance force is 90 newtons per tonne. Find how long it will take for the train to stop.

    asked by baz on March 21, 2015
  56. Calculus

    Three forces with magnitudes 75 pound, 100 lb, and 125 pound act on an object at angles of 30 degrees, -45 degrees, and 120 degrees respectively. Find the direction and magnitude of the resultant vector.

    asked by Elyse on May 15, 2013
  57. Geometry

    A square piece of cardboard, 24 inches by 24 inches, is to be made into an open box by cutting out each of the four corners. Each side of the box will then be folded up. Find the maximum volume that the box can hold.

    asked by Tom on November 13, 2014
  58. math

    The dimensions of a door are 3 ft wide by 7 ft 6 in high. If the same amount is added to each dimension of the door, the area is increased by 5.5 ft2. Find the dimensions of the new door. (Round your answer to one decimal place.)

    asked by anonymous on September 27, 2018
  59. statistics

    Suppose that the heights of female adults in the US are normally distributed with a mean (µ) of 65.4 inches and a standard deviation (σ) of 2.8 inches. Let X denote the height of a randomly chosen adult female. Find the probability that X is between 66

    asked by Lori on March 15, 2013
  60. physics

    a man stand on the top of the building 490 m above the ground.he throws a stone horizontally with speed15 m/s.find the time taken by the stone to reach the ground &the speed with which it hits the ground

    asked by harsha ojha on August 3, 2013
  61. accounting

    Shelton Engineering completed the following transactions in the month of June. a. Shania Shelton, the owner, invested $105,000 cash, office equipment with a value of $6,000, and $45,000 of drafting equipment to launch the business. b. Purchased land worth

    asked by Lori on March 18, 2009
  62. science

    why do rabbits keep turning thier ig,sound-collecting ears? compare and contrast the information of an evaporite rock to one of detrital origin. The change in loudness with the rotation can serve to locate the direction of the source of the sound. I hope

    asked by sam on June 5, 2007
  63. peer review

    My teacher wants to know how I would encourage a reluctant peer reviewer? I am not sure what she means. Why would anyone not want to have a peer review thier work? From previous answers: -------------- Posted by SraHendry on Tuesday, August 22, 2006 at

    asked by rindi on October 9, 2006
  64. Math

    Men in Black II grossed $19,821,658 on 3557 screens on the opening Friday. If theaters are open from noon to midnight, have 15 minutes in between showings, and average $6 a ticket for the 82 minute movie, find the average number of people who attended each

    asked by Latoya on September 16, 2012
  65. chemistry

    my younger sister has a homework assignment to find out and draw the hazard symbols found on the following.... vinegar milk of magnesia toothpaste pickled onions orange juice washing powder soap lemonade .....we've looked around the house but nothing seems

    asked by aimee on September 25, 2007
  66. the awakening

    In "The Awakening" by Kate Chopin, what is the "gangrene passion"? http://www.pagebypagebooks.com/Kate_Chopin/The_Awakening_and_Selected_Short_Stories/The_Awakening_Chapter_V_p1.html Use Ctrl + F and enter the word gangrene to find the passage. Read the

    asked by Anonymous on February 5, 2007
  67. physics

    A robot probe drops a camera off the rim of a 457 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2. find the time required for the camera to reach the ground. answer in units of s. i don't know if my equation is right: * tfinal= (vinitial

    asked by Mueller on September 28, 2014
  68. business

    Many organizations find themselves in the apparently contradictory position of having high levels of financial investment in inventory, but at the same time frequently running out of stock of important components and materials. (a) explain how this

    asked by Edwin on November 21, 2011
  69. physics

    Suppose a sound of frequency 1200 Hz is emitted from a speaker 15 meters away from you. At YOUR location, the intensity is 1.0E-7 W/m2. Let me assume your eardrum has area 8E-5 m2. If the sound continues for 20 seconds, what total amount of energy is

    asked by student in need on March 4, 2011
  70. APA format

    I am writing a memo for my business class on research i found from the internet i havae not been ablt to find where and how to citi my findings in a memo so i wont be committing plagiarism. can some one help me please This site has the information you

    asked by lisa on August 13, 2006
  71. Computer science

    use a modular approach and pseudo- code to design a suitable program to solve it. Allow the user to enter a series of temperatures in degrees Celsius (C) termi- nated by the input of −999. For each one, find the corresponding tempera- ture in degrees

    asked by Poohboi on August 23, 2015
  72. physics

    Suppose a sound of frequency 1200 Hz is emitted from a speaker 15 meters away from you. At YOUR location, the intensity is 1.0E-7 W/m2. Let me assume your eardrum has area 8E-5 m2. If the sound continues for 20 seconds, what total amount of energy is

    asked by Student in Need on March 3, 2011
  73. language!

    I have to write an essay and my topic is "writing that changed the world." It can be a speech, article, essay, or excerpt from a book. I just have to explain something that resulted because of it. I've looked on many websites and I can't find anything I

    asked by Carli on February 6, 2007
  74. Poem

    Is this a good poem title? Poem of fear Scared, frightened Deep inside Of what's going to happen I try to hide Terrified, weak I try to escape It holds me back And I can't find my way Horror, terror It's coming free It don't hurt anymore It was just a

    asked by Spongebob on January 11, 2009
  75. Geometry

    Each side of a rhombus is 14 in. long. Two of the sides form a 60-degree angle. Find the area of the rhombus. Round your answer to the nearest square inch. I know how to solve special right triangles. I just don't know where to start. If someone could

    asked by egg on January 16, 2019
  76. math

    Make a line plot for the set of data. 61 58 57 64 59 57 64 58 56 57 A teacher asks her class of 22 students, "what is your age?" Their responses are shown below. 19 19 14 16 19 19 16 16 15 17 16 17 16 15 14 15 15 17 14 16 15 Find the mean median and mode

    asked by Avrie on April 20, 2017
  77. English

    Help! Left my book in my locker and this assignment over George Orwell's novel 1984 are due this monday! My teacher gave us an assignment and the instructions are to find a quote from every chapter in part three and say how it shows Winston's downward

    asked by Arthur on April 5, 2014
  78. US History

    I can't find the answer to this question. Please someone help What was the purpose of Andrew Jackson's report to the Secretary of War on January 19, 1814? Frm The Wopld Book Encyclopedia, 1977 edition, He refused to demobilise his forces, per the Secratary

    asked by Isabel on November 1, 2006
  79. PHYS101

    A VENTURI TUBE IS USED TO MEASURE THE WATER SPEED V IN A PIPE BY COMPARING THE WATER PRESSURE IN THE WIDE AND NARROW SECTIONS(CROSS-SECTIONAL AREAS A, A=A/4).FIND V IF THE DIFFERENCE IN MECURY LEVEL IS h=25mm.(THE DENSITY OF MERCURY IS =13600Kg/meter cube)

    asked by KABELO on April 19, 2010
  80. Calculus

    Find the force on a hollow dome that is 1000 feet in diameter, that is a mile below the surface. HOw large can the dome be expanded and not surpass 600 billion pounds. I know the height will be 500, and i think that the intergral is 5280 to 4780 int

    asked by Jacob on April 11, 2009
  81. Science

    Please unscramble this word snagenhhi P.s it's a type of snake and its found in NorthAmerica I checked this list of North American snakes and didn't find any with two h's in its name. http://www.pitt.edu/~mcs2/herp/SoNA.html if the h's are k's, then king

    asked by Fia on April 8, 2007
  82. math

    I just started the 5th grade and I don't understand one of my math problems. The problem is Mr. Smith bought 2 similar T-shirts and a belt. He paid $100 to the cashier and received $13 in change. Find the cost of each T-shirt. (shouldn't the price of the

    asked by Ty on August 10, 2011
  83. math 120

    A recent poll of a random sample of 400 students at a public 4-year college showed the average (mean) amount of time spent using email was 49 minutes per day with a standard deviation of 44 minutes. a. find a 95% confidence interval fot the population mean

    asked by Anonymous on December 11, 2014
  84. physics

    Two identical loudspeakers that are 5.00 m apart and face toward each other are driven in phase by the same oscillator at a frequency of 875 Hz. The speed of sound in the room is 344 m/s. If you start out standing midway between the speakers, find the

    asked by collen on August 8, 2012
  85. Physics

    For its size, the common flea is one of the most accomplished jumpers in the animal world. A 2.1 mm-long, 0.46 mg critter can reach a height of 17 cm in a single leap. A) Neglecting air drag, what is the takeoff speed of such a flea? I don't understand how

    asked by Roxanne on November 24, 2010
  86. French for Sydney

    I had to go way back to a site I used to recommend when I tutored for AOL. I am glad it is still there and you might find it very handy: http://www.utm.edu/staff/globeg/gramm.shtml I also had a site where I put a lot of review things but I lost that with

    asked by SraJMcGin on April 14, 2011
  87. Math

    A manufacturing company wants to minimize the cost of materials for a pop can which needs to hold 640 mL. Find the radius and height (in centimeters) of the cylindrical can with minimum surface area that holds this volume. Give your answer as a decimal

    asked by Anonymous on March 31, 2017
  88. Maths

    Solve the problem. Assume that simple interest is being calculated. Round your answer to the nearest cent. Susie borrowed $7500. from a bank for 18 months with interest of 5% per year. Find the total amount she repaid on the due date of the loan. (Use:

    asked by Matt on February 28, 2008
  89. Government

    I am working on a test review for Gov't and I cant find any information whatsoever in the text book. The question is... Identify and explain why the following is important... separation of church and state, religious toleration, Maryland Acts of

    asked by Carly on February 17, 2009
  90. science

    how do different liquids affect egg shells? Sounds like a worthy science project. Why don't you try some liquids and find out? Some might dissolve or soften them, some will change their color. wwell it depends on what type of liquid your useing like soda

    asked by omar on January 28, 2007
  91. American Government

    Which of the following is part of an issue network addressing education policy? A. an education reporter for the New York Times B. a lobbyist for the American Federation of Teachers C. the White House Chief of Staff D. the governor of California I have C

    asked by Sharon on August 23, 2014
  92. social studies

    Please explain how members of the Reagan administration acted illegally to sell arms to Iran and aid the Contras in Nicaragua. In a small paragraph, please give reasons for and against these actions, and evaluate their impact. this is the question that I'm

    asked by helpplease? on April 26, 2018
  93. History/Languagearts

    for my language arts presentation i have to do a research project on (experiences of Jewish individuals or communities living under Nazi occupation during World War II) All i need help on is finding a reliable website that would provide me with information

    asked by Atkins on May 3, 2018
  94. grade 7 math

    Uniform motion Related Problem Five boy scouts biked to Caliraya lake at 5 km/h. their scout master gave them a ride back home in his pickup car, at 20 kph. Find the hiking time if it 6 hors longer than their riding time.

    asked by Krystal on January 19, 2015
  95. PHYS101

    A VENTURI TUBE IS USED TO MEASURE THE WATER SPEED V IN A PIPE BY COMPARING THE WATER PRESSURE IN THE WIDE AND NARROW SECTIONS(CROSS-SECTIONAL AREAS A, A=A/4).FIND V IF THE DIFFERENCE IN MECURY LEVEL IS h=25mm.(THE DENSITY OF MERCURY IS =13600Kg/meter cube)

    asked by KABELO on April 19, 2010
  96. MATH - HELP ME PLEASE!!!!

    A steel plate has the form of one-fourth of a circle with a radius of 42 centimeters. Two two-centimeter holes are to be drilled in the plate positioned as shown in the figure in the website below. Find the coordinates of the center of each hole.

    asked by Anonymous on February 12, 2019
  97. physics

    "Calculate the internal energy for the air in human lungs after a regular inhalation. You find this volume discussed in the context of the spirometer (textbook p. 203). Hint: treat air as an ideal gas with the molecular mass M = 29.00 g/mol " Not sure the

    asked by serena on November 18, 2010
  98. Algebra

    Find the quotient of the quantity negative 15 times x to the 2nd power times y to the 6th power plus 50 times x to the 4th power times y to the 3rd power minus 20 times x to the 2nd power times y all over 5 times x to the 2nd Find the quotient of the

    asked by Anonymous on February 4, 2019
  99. Math 126

    These are the automatically computed results of your exam. Grades for essay questions, and comments from your instructor, are in the "Details" section below. Date Taken: 7/15/2012 Time Spent: h , min , 19 secs Points Received: 18 / 20 (90%) Question Type:

    asked by Anonymous on July 16, 2012
  100. Science+Help

    Please help I don't understand how to find my calculations and this is due today The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field

    asked by I need help on October 24, 2017

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