1. Math

    1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What is the product of (7.28 x 10^-2) x (9.1 x 10^-2)? a. 6.6248 x 10^-3 b. 66.248 x 10^-4 c. 6.6248 x 10^4 d. 66.248 x 10^-3 3. What

    asked by :) on September 13, 2012
  2. Math

    Consider the monomials 15x^2y^2 and 6x^3y. a. Factor the monomials. b. What factors of these monomials are common factors? c. Find the greatest common factor of 15x^2y^2 and 6x^3y. (UPDATED VER.)

    asked by Cam on September 3, 2018
  3. Math Help

    Plastic tub has capacity of 13.5 quarts. It can hold 3 times as much liquid as a pail. Pail can hold twice as much liquid as can. Find capacity of pail and that of the can in quarts.

    asked by Math on May 28, 2014
  4. intermediate algebra

    at a concession stand, five hot dogs and two hamburgers cost $8.50, two hot dogs and five hamburger cost $10.75. find the cost of one hot dog and the cost of one hamburger. 5x+2y=8.5 2x+5y=10.75

    asked by douglas on December 14, 2016
  5. math

    a man travelled a distance of 22 km in 1 hour, partly in a car at a speed of 30 km/hour and partly on a motorcycle at 18 km/hour . find the distance travelled by him in the car.

    asked by rupali on July 11, 2015
  6. trig

    A force of 50 pounds acts on an object at an angle of 45°. A second force of 75 pounds acts on the object at an angle of -30°. Find the direction and magnitude of the resultant force.

    asked by Cam on December 14, 2011
  7. math

    Emily surmises that the probability that she will pass math or chemistry is .95, the probability of her passing math is .7, and the probability of passing both is .55. Find her estimate of the probability of passing chemistry?

    asked by Sam on November 22, 2011
  8. Calculus - Integrals

    The projected rate of increase in enrollment at a new college is estimated by dE/dt = 6,000(t+1)^-3/2 where E(t) is the projected enrollment in t years. If the enrollment is 3,000 now (t=0), find the projected enrollment 15 years from now.

    asked by Jess on November 21, 2013
  9. Math help

    To find the height of a tree, Wyatt places a mirror so that he can see the top of the tree in the mirror. The mirror is 3 ft from him and 7.5 ft from the tree. If Wyatt is 5.5 ft tall, how tall is the tree? How would I solve this?

    asked by Anonymous on December 6, 2014
  10. Chemistry

    Using calculations, determine how you would make a 525 ml pg a 0.50 M solution of Cl- ions using CaCl2. I am unsure how to do this question, I was going to use C1V1=C2V2 but with this I would be missing the first part of the equation. If that is the case,

    asked by Heather on February 2, 2016
  11. finance

    Find the final amount in the following retirement account, in which the rate of return on the account and the regular contribution change over time. $470 per month invested at 5%, compounded monthly, for 7 years; then $709 per month invested at 7%,

    asked by un on May 7, 2017
  12. Math

    The monthly revenue R (in thousands of dollars) from the sales of a digital picture frame is approximated by R(p) = −10p^2 + 1480p, where p is the price per unit (in dollars). a) Find the unit price that will yield a maximum monthly revenue. answer:

    asked by anonymous on March 27, 2019
  13. Chemistry

    A sample of chlorine gas at a pressure of 420 mm Hg and in a volume of 3.50L was heated from 18.0 degrees celsius to 45 degrees celsius after being transferred to a container of volume 2.35L. The pressure in this new container should be about? The original

    asked by Hannah on January 15, 2012
  14. College Chemistry lab

    How do I Calculate the concentration of iron(lll) with absorbance measurement. Wavelength is 480nm, solution is 1 ml FeCl3 : 9ml HCl, absorption is .250A, concentration of stock FeCl3 solution is 0.00050M and stock HCl solution is 2.0M. I not sure how to

    asked by Hannah on October 13, 2014
  15. Physics 1

    The cartesian coordinates of a point in the xy plane are x= -3.64 m, y = -1.75 m. 1. Find the distance, r, from the point to the origin. Answer in units of m. 2. Calculate the angle between the radius-vector of the point and the positive x axis (measured

    asked by Kailey on August 26, 2010
  16. math

    A 7%,6O day note was discounted at 15 days before the maturity date. If the discount rate was 5.5% and the proceeds received were $ 997,77,find a)the amount of discount that was charged b)the discount date if maturity date of the note is 26 october 1991

    asked by fizz on May 17, 2014
  17. math

    A stairway runs up the edge of the pyramid. From bottom to top the stairway is 92 m long. The stairway makes an angle of 70° to the base edge, as shown. A line from the middle of one of the base edges to the top of the pyramid makes an angle of elevation

    asked by anon on February 20, 2014
  18. math(urgent)

    A 7%,6O day note was discounted at 15 days before the maturity date. If the discount rate was 5.5% and the proceeds received were $ 997,77,find a)the amount of discount that was charged b)the discount date if maturity date of the note is 26 october 1991

    asked by fizz on May 19, 2014
  19. physics

    A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0º below the horizontal. (a) What is the work done on the cart by friction? (b) What is the work done on the cart by

    asked by Mohanad on March 10, 2014
  20. calc

    a man 6 feet tall is walking away from a lamp post at the rate of 60 feet per minute. when the person is 6 feet from the lamp post, his shadow is 12 feet long. find the rate at which the length of his shadow is increasing when he is 145 feet from the lamp

    asked by homestead high on November 3, 2016
  21. physics

    tank of water with L=6m, W=3m, H=4m. 1) Find the force on the bottom of the tank from water. (ignore atmosphere pressure). 2) If the door to the tank is 1.5m by 1.5m and it is 2.25m (center bottom)from the edge of the tank, what is the force on the door

    asked by nick on September 14, 2007
  22. Chemistry

    I am to use this formula to find ΔH°f,methane: ΔH°comb=2ΔH°f,water+ΔH°f, carbon dioxide-ΔH°f,methane-2ΔH°f,oxygen For ΔH°comb, the value is 884 KJ/mol For ΔH°f,water, the value is -285.8 For ΔH°f,carbon dioxide, the value is -393.5 I was

    asked by Liz on July 20, 2014
  23. math

    2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked by carol on March 30, 2014
  24. Trigonometry

    A ship leaves port at 2:00 pm and sails in the direction S34 degrees W at a rate of 15mph. Another ship leaves port at 3:00 pm and sails in the direction S56 degrees E at a rate of 12mph. Find how far apart the ships are at 4:00 pm.

    asked by Bailey on November 3, 2014
  25. math

    In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked by carol on March 30, 2014
  26. math

    In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked by carol on March 30, 2014
  27. math

    2. In a certain state, it has been shown that only 56% of the high school graduates who are capable of college work actually enroll in colleges.Find the probability that, among the 11 capable high school graduates in this state, each number will enroll in

    asked by carol on March 30, 2014
  28. math

    Chad buys peanuts in 2 pound bags. He repackages them into bags that hold 5/6 pound of peanuts. How many 2 pound bags of peanuts should Chad buy so that he can fill the 5/6 pound bags without having any peanuts left over? What are the steps to find the

    asked by aaron on May 21, 2013
  29. Math

    an aircraft flew 2 hours with the wind. the return trip took 3 hours against the wind. if the speed of the plane in still air is 140 miles per hour more than the speed of the wind, find the wind speed and the speed of the plane in still air

    asked by help on April 26, 2016
  30. Calculus

    Two sides of a triangle are 12m and 15m in length and the angle between them is increasing at a rate of 2 deg/min. Find the rate at which the area of the triangle is increasing when the angle between their sides of fixed length is 60 deg?

    asked by Opin on November 5, 2018
  31. Math Trig Help

    sin theta = x/3, with theta in the first quadrant, find the expression for cos theta and tan theta. Answers will be in algebraic terms of x. Give exact answers with 0 < theta

    asked by Leeroy on November 7, 2014
  32. College Algebra

    The number of crimes that occurred in a certain city per 1000 people had decreased from 45.6 in 1920 to 45.1 in 1970. Find the average rate of change in the number of crimes per 1000 people that occurred from 1920 to 1970.

    asked by Neonatologist to Be! on April 19, 2014
  33. algebra

    a can of soda at 80 F is placed in a refrigerator that maintains a constant temperature of 37 F the temperature T of the soda t minutes after it is placed in the refrigerator is given by T(t)=37+43e^-0.058t find temp to the nearest degree of the soda after

    asked by chris on May 1, 2012
  34. physics

    A thin, rigid, uniform rod has a mass of 2.60 kg and a length of 1.69 m. (a) Find the moment of inertia of the rod relative to an axis that is perpendicular to the rod at one end.A thin, rigid, uniform rod has a mass of 2.60 kg and a length of 1.69 m.

    asked by reghuir on April 12, 2016
  35. Social studies

    Posted by rfvv on Thursday, October 18, 2012 at 9:03pm. How many lakes does the National Trust in England have? It's hard to find the information about that on the Internet. About 136 lakes or 500 lakes? Would you let me know that or the website? Thank

    asked by rfvv on October 19, 2012
  36. Economics

    Given the following data, use present worth analysis to find the best alternative, A,B, or C. A B C Initial cost $10,000 15,000 $12,000 Annual benefit 6,000 10,000 5,000 Salvage value 1,000 −2,000 3,000 Useful life 2 years 3 years 4 years Use an

    asked by Anonymous on September 30, 2014
  37. english

    I need to find the simple subject and simple predicate: Every sentence should begin with a capital letter. I know that "sentence" is the simple subject but I'm not sure if the simple predicate must include the word "should" or if it's just "begin" Help

    asked by Elizabeth on September 16, 2009
  38. Math

    Suppose sin A = 12/13 with 90º≤ A ≤180º. Suppose also that sin B = - 7/25 with -90º≤ B ≤0º. Find tan ( A – B ). 253/325 -323/36 204/325 -253/204 Is it C?

    asked by Bri on February 26, 2019
  39. Stats

    Approximately 5% of children develop chronic bronchitis in the first year of life. In a group of 20 children, find the probability that exactly 2 of them develop chronic bronchitis in the first year of life.

    asked by Farah on June 5, 2014
  40. calculus

    Find the slope of the tangent line to the curve (sqrt(4x+y))+(sqrt(3xy)) at the point (3,4) The slope of the tangent line to the curve at the given point is ? I got -((1/2)+4sqrt(36))/((1/8)+3sqrt(36))

    asked by brie78 on October 10, 2016
  41. math

    The length of a rectangle is twice the width. If the length is increased by 6, and the width is doubled, a new rectangle is formed whose perimeter is 20 more than the perimeter of the original rectangle. Find the dimensions of the original rectangle.

    asked by jackie on October 30, 2015
  42. Calculus

    1. Use cylindrical shells to compute the volume of the solid formed by revolving the region bounded by y= 2x and y = x^2 -3 about x= 6. 2. Find the volume of the solid formed by revolving the region bounded by y= e^x , y= e^-x, and y= 3 about y= 5.

    asked by Mia on March 1, 2011
  43. math

    A bus travelling at an average speed of 63km/h left a station at 8.15 a.m. A car later left the same station at 9.00 a.m. and caught up with the bus 10.45 a.m. find the average speed of the car.

    asked by Anonymous on May 26, 2012
  44. Geometry

    The volumes of two similar figures are given. The surface area of the smaller figure is given. Find the surface area of the larger figure. Smaller figure: V = 2 yd^3 SA = 13 yd^2 Larger figure: V = 250 yd^3 SA = ??? Please help? Thanks

    asked by SkatingDJ on May 2, 2016
  45. Algebra 1

    An employee who produces x units per hour earns an hourly wage of y=0.70x+11 (in dollars). Find the hourly wage for an employee who produces 2 units per hour.

    asked by Cynthia on September 6, 2007
  46. Grade 4 Math

    Ali has a bag of marbles, if he puts them into groups of 7, then there are 5 marbles left over. If he puts them into groups of 8, then there are 2 marbles left over. How many different answers can you find if the bag has fewer than 300 marbles?

    asked by Annon10 on October 14, 2015
  47. Chemistry

    Find the concentration of H3O if the pOH of a solution is 11.700: So far I have: pH= 14.000- pOH which is 14.000-11.700=2.300 pH = -log[H3)] -2.300 = log[H3O] Lost after that!!! Help please.

    asked by Lucy on December 2, 2007
  48. math

    A sphere has a volume of 36π cubic meters. The rate of change in volume is 9π cubic meters per minute. Find the rate of change in area of the sphere

    asked by Anonymous on May 15, 2015
  49. algebra

    A number consists of two digits. The sum of 3 times the units digit and 4 times the units digit is 24. If the digits are reversed, the new number is 25 less than the original number. Find the number

    asked by mutaz on July 11, 2011
  50. Math

    A) A rectangle has perimeter 64 cm and area 23 cm^2. Solve the following system of equations to find the rectangle's dimensions. length=23/width length + width = 32 B) Solve the system of equations x^2+y^2=1 xy=0.5

    asked by Christine on June 7, 2009
  51. algebra

    A number consists of two digits. The sum of 3 times the units digit and 4 times the units digit is 24. If the digits are reversed, the new number is 25 less than twice the original number. Find the number

    asked by mutaz on July 11, 2011
  52. Difficult algebriac word problem

    I have some bananas on sunday,on monday morning i ate some of them and at night it became double,on tuesday morning i ate same number of bananas and at night also it became double,this process continued till saturday and all the bananas were finished.find

    asked by Collins on September 13, 2015
  53. English

    Are these two sentences correct? Adjectival prepositonal phrase: I like in our house the big kitchen to cook in. (in our house is the adjectival prepositonal phrase) Participal Phrase: I dislike ordering an item online to find a damaged package when it

    asked by Bethany on November 16, 2008
  54. trig

    A barge is pulled by two tugboats. The first tugboat is traveling at a speed of 12 knots with heading 140°, and the second tugboat is traveling at a speed of 17 knots with heading 200°. Find the resulting speed and direction of the barge. (Round your

    asked by Priscilla on July 21, 2013
  55. Science

    which two conditions are required for cloud formation? A) high humidity and warm temperatures. B) high humidity and cool temperatures. C) warm temperatures and the presence of particles. D) cool temperatures and the presence of particles. Is there a link I

    asked by Tim on May 2, 2016
  56. math

    35% of North Americans do not think that college education is a contributory factor to economic success. A random sample of seven North Americans is selected. Find the probability that: a. Exactly 3 people will agree with that position (taken by the 35% of

    asked by Math (PLEASE HELP!) on April 3, 2013
  57. math

    **Problem 3: Create a linear function (y=mx+b) and graph the line for the following set of data. x | y 2 | 1 4 | 2 6 | 3 First, use the slope formula to find slope: (y2-y1)/(x2-x1) Then, put the slope (m), a 'y' point, and matching 'x' point into the

    asked by kelly on May 15, 2015
  58. ap physics

    A golfer sees the green (where the hole is) at a distance of 120.0 m at heading 75.0° north of west. She also sees her teammate at a distance of 60.0 m and heading 15.0° north of east. What distance and direction would her teammate have to land the ball

    asked by mindi on June 21, 2014
  59. Math: statistics

    A DVD rental store wants to know what proportion of its customers are under age 21. A simple random sample of 500 customers was taken, and 375 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.68. Find

    asked by Statistics on April 12, 2015
  60. physical

    a ball that was projected up at an angle of θ degrees with the horizontal has a flight time of 5.0s and covers a range of 49.0 m. find (a) the time it took to reach maximum height, (b) the horizontal and vertical components of its initial velocity, (c)

    asked by john on September 11, 2017
  61. math

    35% of North Americans do not think that college education is a contributory factor to economic success. A random sample of seven North Americans is selected. Find the probability that: a. Exactly 3 people will agree with that position (taken by the 35% of

    asked by Oliwia on April 3, 2013
  62. algebra

    two investments were made totaling $15,000. for a certain year these investments yielded $1432 in simple interest. part of the $15,000 was invested at 9% and part at 10%. find the amount invested at each rate. a total of $1150 was invested, part of it at

    asked by matt on November 1, 2010
  63. Algebra

    In 1980 median family income was about $18,000 and in 2000 it was 40,000. (a) Find slope of line passing through points (1980, 18,000) and (2000, 40,000) (b) Interperate slope as a rate of change (c) If the trend continues, estimate the median family

    asked by Ruth on March 9, 2013
  64. Physics

    A flat circular coil with 192 turns, a radius of 2.35 x 10-2 m, and a resistance of 0.359 Ù is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a

    asked by Anonymous on March 7, 2013
  65. Math

    Compute the maximum product for two positive numbers x and y with the property that the sum of the first plus five times the second is 5000. 1) Indicate the objective equation 2) Indicate the constraint equation 3) Rewrite the objective equation in terms

    asked by Hannah on February 26, 2011
  66. Physics

    Compare the maximum speeds at which a car can safely navigate a flat, unbanked turn of radius 50.0 m in dry conditions versus snowy conditions. The coefficient of static friction in dry weather is 0.90, and in snowy weather it is 0.10. So, find the maximum

    asked by Smit on November 15, 2015
  67. Statistics

    The weight of a randomly selected shipping container follows an unknown distribution with mean 12 tons and standard deviation 2 tons. Your cargo ship always carries a load of 100 randomly selected shipping containers. a. What is the probability the load

    asked by Jes on March 27, 2017
  68. math

    Suppose a young couple deposits $700 at the end of each quarter in an account that earns 7.1%, compounded quarterly, for a period of 6 years. After the 6 years, they start a family and find they can contribute only $200 per quarter. If they leave the money

    asked by cant figure this out :( on April 30, 2011
  69. geomerty

    The following triangles, Ä ABC and Ä DEF, are congruent. abc 67.38degree 12cm lenght 22.62degree b5cm,l,13cm Find the lengths of all missing sides and measures of all angles for both triangles. Include correct units with each of your answers. First

    asked by kozy on May 11, 2011
  70. physics

    A flat circular coil with 113 turns, a radius of 3.64 10-2 m, and a resistance of 0.524 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate

    asked by Anonymous on October 22, 2013
  71. Physics

    A flat circular coil with 193 turns, a radius of 5.50 x 10-2 m, and a resistance of 0.241 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a

    asked by Elle on November 3, 2014
  72. Math

    Carlota Music Company estimates that the marginal cost of manufacturing its Professional Services guitars in dollars/month by the following. This model assumes that the level of production is x guitars/month. C '(x) = 0.007x + 130 The fixed costs incurred

    asked by Vanessa on April 9, 2014
  73. Algebra I

    Rectangle ABCD has vertices C and d on the x-axis and vertices A and B on part of the parabola y = 9 - x^2 that is above the x-axis. a.) Find the coordinates of A, B, C, and D in terms of x. b.) Determine the Area of the rectangle as a function of x. c.)

    asked by Kate on July 28, 2010
  74. Physics PLEASE HELP!

    A flat circular coil with 97 turns, a radius of 4.04 10-2 m, and a resistance of 0.528 Ω is exposed to an external magnetic field that is directed perpendicular to the plane of the coil. The magnitude of the external magnetic field is changing at a rate

    asked by Nixon on March 14, 2013
  75. Vector

    A boy can swim with a speed of 26metre per minute in still water. Be wants to swim across a 150metere wide river from point A to point B directly opposite on the other side of the River.The river flows at 10metre per minute (a)if he always swims in the

    asked by Ben on March 22, 2015
  76. maths-urgently needed

    A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler ge6ts a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at

    asked by Anonymous on February 3, 2013
  77. Physics check my answer!

    In order to reduce potential danger to the environment, a biohazard laboratory maintains an internal air pressure that is 1% lower than atmospheric pressure. The net force acting on a 1.8-m2 external window of this laboratory due to air pressure is most

    asked by Kayla on June 15, 2012
  78. french/francais

    I need to find out the english for the following french words, I have found the answers but it doesn't make a lot of sense when translated to english. these items are on a list of things to take on a trip. bidon = can (when looking at the list of items can

    asked by helen on April 26, 2008
  79. Geology

    (Fetter p235, 2) A soil sample is collected and taken to the lab. The volume of the sample is 75 cm3. At the natural water content, the sample weighs 168.00 g. It is then saturated with water and reweighed. The saturated weight is 171.25 g. The sample is

    asked by abdullah on October 5, 2017
  80. trig

    Verify that each equation is an identity. 16. 1+tanx/sinx+cosx =secx ok i have a clue on how to do it. i multiplyed the denominator by sinx-cosx and i also did the top but when i do i get this weird fraction with all these cos and sin and then i get

    asked by gaby on November 6, 2008
  81. gen chem 1

    You carefully weigh out 20.00g of \rm CaCO_3 powder and add it to 81.00g of \rm HCl solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mass of 92.80g . The relevant equation is \rm

    asked by bc on May 22, 2013
  82. English

    Identify the choice that best describes the underlined word. 1.) Masako took Jonah's woolen hat by mistake, thinking it was **hers** a.) First-person pronoun b.) Second-person pronoun c.) reflexive pronoun d.) posessive pronoun D. 2.) The children went to

    asked by Whats good fam on February 1, 2016
  83. math(HELP PLEASE)

    can someone please answer these 2 questions please..with the work and answer,ive been stuck on for a while and just wanna sleep but thanks. Find the unit price for each option shown below. Round to the nearest cent when necessary. Indicate which option is

    asked by Anonymous on February 11, 2014
  84. english (especially for Writeacher)

    Lynch, T. (1996). DS9 trials and tribble-ations review. Retrieved October 8, 1997, from Psi Phi: Bradley's Science Fiction Club We b site: h t t p: / /w w w .bradley. edu /campus org/psiphi/DS9/ep/ 503r . html ... and this will go immediately after the

    asked by Lauren on December 21, 2006
  85. Physics

    The tallest volcano in the solar system is the 29 km tall Martian volcano, Olympus Mons. An astronaut drops a ball off the rim of the crater and that the free fall acceleration of the ball remains constant throughout the ball’s 29 km fall at a value of

    asked by Jacob on November 4, 2015
  86. environmental science

    Where can I find info on cultivation practices that can be used to help control pests? I think some are: rotation, sowing, biological control (good bugs), timing and adjusting of harvesting...I need nine cultivation practices. I'm not sure I'm on the right

    asked by jules on March 17, 2007
  87. Science

    Where does magnetism comes from? Magnetic forces arise from the movement of electrons (electric charge). In case you want it, here is more information on magnetism. http://en.wikipedia.org/wiki/Magnetism http://www.phy6.org/Education/Imagnet.html

    asked by Help on April 17, 2007
  88. physics

    A 0.19 kg hockey puck has a velocity of 2.1 m/s toward the east (the +x direction) as it slides over the frictionless surface of an ice hockey rink. What are the (a) magnitude and (b) direction of the constant net force that must act on the puck during a

    asked by john on October 1, 2015
  89. Physics

    a small body of mass m revolving in a horizontal circle with velocity V of a constant magnitude at the end of a cord of length L. As the body swings around its path, the cord sweeps over the surface of a cone. The cord makes an angle è with the vertical,

    asked by Cole on February 16, 2011
  90. Chemistry

    I had to perform an experiment using a coffee-cup calorimeter to determine the enthalpies of two separate reactions. For part 1 we worked with magnesium metal, and magnesium oxide. Data was collected and now I need to find the q, heat transferred for both

    asked by Hannah on February 13, 2012
  91. statistics

    A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 60 seconds.

    asked by jackie on March 1, 2011
  92. english

    score/ score presents a fictional world, regulated by computers and other machines in which humans are noticeably absent. Though the main characters are actually two computers that converse, the story contains several details that create verismilitude.

    asked by jen on September 14, 2011
  93. trig

    Suppose that Magnus' blood pressure can be modeled by the following function {{{p(t)=83-18sin(71pi*t)}}} Magnus' blood pressure increases each time his heart beats, and it decreases as his heart rests in between beats. In this equation, p(t)is the blood

    asked by joey on March 23, 2014
  94. trigo

    An observer at A looks due north and sees a meteor with an angle of elevation of 70deg. At the same instant, another observer 30 miles east of A, sees the same meteor and approximates its position as N 50deg W but fails to note its angle of elevation. Find

    asked by trigofunctions on August 3, 2010
  95. stat

    A physician routinely makes physical examinations of children. She is concerned that a three-year-old girl has a height of only 87.8 cm. Heights of three-year-old girls have a mean of 97.5 cm and a standard deviation of 6.9 cm (based on data from the

    asked by melissa on March 15, 2014
  96. Mathematics

    Q1.A man earn $1200 and spends $450 per month.Find ratio of (a)His income to his expenditure and (b)His savings to his income Q2.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 tank and

    asked by Envy Green on May 14, 2011
  97. classroom instruction

    Explain how a teacher can monitor student homework o Identify a time-efficient way to monitor independent student work (other than a student raising a hand to signal a need for help). o Describe two ways to refocus student attention when students are

    asked by scooby on February 24, 2010
  98. Physics! HElp

    A g ice cube at -15.0oC is placed in g of water at 48.0oC. Find the final temperature of the system when equilibrium is reached. Ignore the heat capacity of the container and assume this is in a calorimeter, i.e. the system is thermally insulated from the

    asked by Idali on April 11, 2017
  99. statistics

    A physician routinely makes physical examinations of children. She is concerned that a three-year-old girl has a height of only 87.8 cm. Heights of three-year-old girls have a mean of 97.5 cm and a standard deviation of 6.9 cm (based on data from the

    asked by sandra on July 13, 2013
  100. math

    find an advertisement for a weight loss product either online or in the print media, the more unbelievable the claims, the better a. What data does it offer for its promised benefits? Does it offer any descriptive statistics or merely testimonials? if it

    asked by ios7 on September 30, 2013

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