1. Statistics

    A shoe store knows that the purchase amount by its customers is a random variable that follows a normal distribution with a mean of $30 and a standard deviation of $9. What is the probability that a randomly selected customer will spend $30 or more at this

    asked by Anonymous on December 28, 2012
  2. English - Publishing

    If I self-publish my books (stories I wrote) then later on about maybe a year later (just saying) I decide to show my work to the world by REALLY publishing it like normal authors due by making copies can you do that???? and also if i am self-publishing it

    asked by Laruen on July 9, 2012
  3. Math

    Month. Temperature January 41f February 45f March. 54f April. 62f May. 69f Between which two months in Atlanta does thaw normal temperature change the most?

    asked by Shion on November 29, 2012
  4. how to start your own daycare basic steps

    the philosophy of a child care program describes a.how to go about accomplishing your goals b.a list of policy considerations for parents to follow c.normal child growth and development my answer is c

    asked by susue on February 25, 2015
  5. physical science

    Calculate your average walking speed by measuring off a ten meter distance and walking at your normal pace while timing yourself with the second hand on the room clock or a watch. If you have a stopwatch, so much the better.

    asked by quartiyanna on September 10, 2015
  6. Physics

    What is the angle of refraction of a light ray that enters the surface of a calm lake from air at an angle of 45 degrees to the normal? The refractive index of water is 1.333. 32.04 45.00 59.99 33.76 I was thinking A or D

    asked by Derp on October 31, 2012
  7. Physics

    A Mercedes-Benz 300SL (m = 1700 kg) is parked on a road that rises 15° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?

    asked by Litany on November 13, 2009
  8. chem

    Benzaldehyde, C6H5CHO}, has a normal boiling point of 179.0 C and a critical point at 422 C and 45.9 atm. Using a phase diagram, estimate its vapor pressure at 125 Degrees

    asked by anonymous on February 13, 2010
  9. Statics

    The right angle uniform slender bar AOB has mass m. Assuming a frely hinged pivot O, determine the magnitude of the normal force at A and the magnitude of the pin reaction at O.

    asked by Margaret on October 16, 2012
  10. chemistry

    Mt. McKinley in Alaska has an altitude of 20,320 ft. Water (enthalpy of vaporization=40.7kJ/mol) boils at 77C atop Mt. McKinley. What is the normal atmospheric pressure at the summit?

    asked by Juggernaut on July 7, 2009
  11. Stat

    α=0.05 for a two-tailed test. Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. Is the correct answer +/- 1.96?

    asked by Anonymous on September 30, 2014
  12. physics

    A 4.3 g mass is released from rest at C which has a height of 0.8 m above the base of a loop-the-loop and a radius of 0.31 m. The acceleration of gravity is 9.8 m/s2 . Find the normal force pressing on the track at A, where A is at the same level as the

    asked by luke on June 19, 2013
  13. math

    For a fundrasier, the Best Buddies club sold t-shirts. The adult shirts were $15 per shirt and the youth shirts were $12 per shirt, and they made a total of $330 on the shirts. If they sold a total of 26 shirts, how many of each did they sell? I don't

    asked by ANNIE on February 28, 2013
  14. algebra

    To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat(in acres)polled. a. Write an equation using only one variable

    asked by Jack on April 9, 2008
  15. chemistry

    One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia. 4NH3 (aq) + 5O2 (g) 4NO (g) + 6H2O (g), Delta H= -905kJ a) State the reaction conditions that favour the production of nitrogen monoxide. b) A

    asked by Ahmed on December 5, 2011
  16. physics

    Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩. If we run for m+1 additional steps (i.e. total of 2m+1 steps from the initial state), what is the resulting

    asked by manu on October 13, 2013
  17. calculus (optimization)

    a rectangular study area is to be enclosed by a fence and divided into two equal parts, with the fence running along the division parallel to one of the sides. if the total area is 384 square feet, find the dimensions of the study area that will minimize

    asked by yareli on November 30, 2013
  18. Physics

    Jake has a mass of 88.0 kg and is zooming along in a 110.0-kg bumper car at 9.4 m/s. He bumped Allen's car, which is sitting at rest. Allen has a mass of 88.0 kg. After the elastic collision, Jake continues ahead with a speed of 3.2 m/s. How fast is

    asked by Ian on March 18, 2013
  19. Geometry - not Geography

    A line segment on a number line has its endpoints at -9 and 6. Find the coordinate of the midpoint of the segment. A. 1.5 B. -1.5 C. 2 D. -3 2. Find the coordinates of the midpoint ~hx(line over hx) given that H(-1,3) and X(7,-1). A. (3,1) B. (0,4) C.

    asked by Connections Academy Sophomore on August 16, 2018
  20. Pre cal

    1. An airplane flies 200 km on course 110 degrees from point A to point B. At point B the pilot changes course to 37 degrees. The plane then flies 100 km to point C. Find the magnitude of the net displacement from A to C. 2. A plane is flying on a bearing

    asked by Henry on May 15, 2014
  21. Physics

    A guitar string has a tension of 100 N and is supposed to have a frequency of 110 Hz. When a standard tone of that value is sounded while the string is plucked, a beat frequency of 2 Hz is heard. The peg holding the string is loosened (decreasing the

    asked by Ryan on February 3, 2013
  22. Math

    Diegos class planning a field tripfor 25 students.They will go to aquarioum and then to science museum. Each ticket for science cost $2 more than each ticket to aquarium. Lunch for each student is $5 additional. Write and expression for total cost of

    asked by Darryl on September 10, 2017
  23. Math

    Pradip and pam each have apple slices and orange slices. The ratio of apple slices to the total number of slices is 4 to 11. The ratio of the total number of slices to orange slices on Pam's plate is 13:6. Neither person has more than 20 total slices. Who

    asked by Angel on October 17, 2017
  24. Physics

    An object is attached to a horizontal spring. It is initially displaced by distance Δx from the equilibrium position and then released from rest. At what point of its motion along the x-axis reaches the object its highest total energy a) At the

    asked by Michael on December 2, 2010
  25. Math

    The local zoo has 3 lions, 4 elephants, 2 giraffes, 5 monkeys, and 2 zebras. What is the ratios of zebras total animals. Answer: I counted the total number of animals which is 16 so I got 2 zebras to 16 animals or 2:16 or 2/16 Do I need to do anything else

    asked by Matt on September 14, 2016
  26. organi chemistry

    Calicheamicin is an antitumor compound produced by a microorganism isolated in Texas soil. Below is the enediyne core of calicheamicin, which is responsible for its antitumor activity. (a) Mark the hybridization state of each carbon. Ignore the –R

    asked by marta on January 25, 2014
  27. Physics

    A velodrome is built for use in the Olympics (see the figure below). The radius of curvature of the surface is 15.9 m. At what angel should the surface be banked for cyclists moving at 15.0 m/s? Choose an angle so that no frictional force is needed to keep

    asked by Emily on October 1, 2014
  28. Physics 141

    A snowmobile moves according to the velocity-time graph shown in the drawing. What is the snowmobile's average acceleration during each of the segments A, B, and C? The scale for the time axis is 100 s per increment, and the scale for the velocity axis is

    asked by Hope on January 30, 2014
  29. College Physics

    A 57.0 cheerleader uses an oil-filled hydraulic lift to hold four 110 football players at a height of 1.40 . If her piston is 19.0 in diameter, what is the diameter of the football players' piston? The density of the oil in the hydraulic system is 900

    asked by Isabel on June 13, 2013
  30. physics

    -Suppose that a person is standing on the edge of a cliff 50 m high, so that the ball in his/her hand can fall to the base of the cliff. Questions (a)-How long does it take to reach the base of the cliff? (b)- What is the total distance traveled by the

    asked by ruby on July 22, 2008
  31. Fine Arts

    2. Miniature painting continued into the Romanesque period. These paintings were found a. on the top of columns b. in churches c. in religious manuscripts d. monasteries 4. Which of the following artists used small flat planes of colors to compose a look

    asked by mysterychicken on January 24, 2011
  32. Physics

    A 3.10 kg block is pushed along a floor by a constant applied force that is horizontal and has a magnitude of 43.5 N. What is the coefficient of kinetic friction between the block and the floor? I tried dividing the N by the KG and vise versa but it didn't

    asked by xxxxxxx on April 11, 2016
  33. physics

    a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction

    asked by josh on May 24, 2010
  34. analysis variance

    which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests

    asked by wallic on December 22, 2010
  35. PHYSICS

    You are driving your car and the traffic light ahead turns red. You applied the brake for 3.00 seconds and the velocity of the car decreases to 4.50 m/s. The car's deceleration has a magnitude of 2.70 m/s^2 during this time. What is the car's displacement?

    asked by Jino on July 29, 2014
  36. physics

    A force of 40N is applied at the end of a wire 4m long and produces an extension of 0.24mm. If the diameter of the wire is 2.00mm calculate the stress on the wire and strain in the wire. With full workings please

    asked by andre on April 23, 2018
  37. Biology

    Need help answering these questions-- How can genetic engineering be applied to everyday life? How can genetic altering benefit the society of today and future societies? What areas of life could this manipulation of genes cause? Thanks -MC

    asked by mysterychicken on April 10, 2010
  38. calculus

    find the function that is finally graphed after the following transformations are applied to y=square root x in the order listed. a. reflected about the x-axis b. shift up 7 units c. shift right 5 units y=? would the answer be: y=sqrt(-x-5)-7

    asked by Heather on December 14, 2012
  39. physics

    A 90 kg box is pushed by a horizontal force F at constant speed up a ramp inclined at 28°, as shown. Determine the magnitude of the applied force. when the ramp is frictionless. when the coefficient of kinetic friction is 0.18.

    asked by Anonymous on June 26, 2014
  40. math

    I have a graph plotted which makes a straight line (linear graph) The points are as follows X , Y (.25, 0.593) (.50, 1.161) (.75, 1.762) (1.0, 2.348) I need to determine the linear range. Also, can Beer's Law be applied?

    asked by j on September 4, 2010
  41. physics

    An applied force of 450N is needed to drag a 100kg crate at a constant speed across a horizontal rough floor. Calculate the coefficient of kinetic friction for the crate on the floor.

    asked by Anonymous on January 25, 2016
  42. Applied Geometry maths

    A Maths Applied student holidaying in Sydney notices that the Centrepoint tower has an angle of elevation of 15deg20'. After walking 400m directly towards the tower she now observes the elevation to be 24deg33'

    asked by Mandy on June 19, 2013
  43. Biology

    Need help answering these questions-- How can genetic engineering be applied to everyday life? How can genetic altering benefit the society of today and future societies? What areas of life could this manipulation of genes cause? Thanks -MC

    asked by mysterychicken on April 9, 2010
  44. Science

    A taxi of mass 2500kg is travelling at 15 meters per second and needs to stop at an intersection at the bottom of a hill with an incline of 20 degrees.Calculate the force that must be applied to bring the taxi to rest at 75 meters

    asked by Anonymous on April 27, 2010
  45. Physics

    12 kg wagon is being pulled at an angle of 38o above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? Is this question a typo? Am I supposed to solve for force or work?

    asked by silverback on January 13, 2016
  46. Physics

    An aluminum (with Young's modulus 7 x 10^10 Pa) rail is 88.0 m long and has cross-sectional area 0.00050 m^2. The rail is fixed at one end and a 4000 N force is applied at the other end. By how much does the bar stretch?

    asked by Mary on November 27, 2016
  47. physics

    In a head on collision,a car stops in 0.18s from a speed of 29 m/s . The driver has a mass of 74 kg, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fraction of a second?

    asked by Anonymous on February 18, 2012
  48. Physics

    four similar cars having same mass are running at the same speed on the same speed and when breaks are applied at the same time the cars cover distance of 5m, 5.5m, 4.8 and 5.2 m. In which car the friction between the brake pads and disc is maximum

    asked by Sandhya Rajesh on February 17, 2014
  49. Math

    With the 20% off coupon, Alexis received a discount of $15 on her shoes. What was the regular price of her shoes before the 20% off coupon was applied? Justify your answer using equations, models, and/or words to explain your mathematical reasoning.

    asked by Don't need to know. Sorry on February 9, 2017
  50. analysis of variance

    which analysis of variance should be applied when an experiment has more than one independent variable. Discuss the assumptions and limitations of the analysis of variance in comparison with the t test including a discussion of post hoc tests

    asked by smith on December 15, 2010
  51. Physics

    A car is moving with a velocity of 16 m/s when the brakes are applied and the wheels lock (stop spinning). The car then slides to a stop in 37 m. Find the coefficient of kinetic friction between the tires and the road.

    asked by Alex on May 15, 2012
  52. physics

    a sled is pulled at a velocity across a horizontal snow surface. if a force of 8.0x10 to the first power N is being applied to a sled rope at an angle of 53 degrees to the ground, what is the magnitude force of friction

    asked by ang on May 24, 2010
  53. Physics

    A force of 580 N is needed to be applied on a rope at an angle of 30 to the horizontal in pulling a crate with a constant velocity across a horizontal plank. What is the mass of the crate if the coefficient of kinetic friction is o.25?

    asked by Nimfa on November 28, 2011
  54. Physics

    A 12 kg wagon is being pulled at an angle of 38degrees above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? I not sure how to do this question. Is work involved for this question.

    asked by I need Physics help on January 12, 2016
  55. physics

    A large crate weighing 850 N is slid across the floor of a shop. To move the crate 15 m at a steady spead of 10 cm/s, a constant horizontal force of 80 N is applied to the crate. How much work was done in moving the crate?

    asked by Rashad on November 24, 2010
  56. physics

    An AC voltage of the form Δv = (65.0 V)sin(340t) is applied to a series RLC circuit. If R = 46.0Ω, C = 27.0 μF, and L = 0.300 H, find the following. (a) impedance of the circuit Ω (b) rms current in the circuit A (c) average power delivered to the

    asked by Michelle on March 23, 2018
  57. Orgo

    Calculate the approximate boiling point of a mixture of bromobenzene and water at atmospheric pressure. A table of vapor pressure of water and bromobenzene at various temperatures is given. Vapor Pressures (mmHg) Temperature(c) Water Bromobenzene 93 588

    asked by victoria on June 8, 2013
  58. Math

    _The_Natural_Base_e_ An accident in 1986 at the Chernobyl nuculear plant in the Ukraine released a large amount of plutonium (Pu-239)into the atmosphere. The half-life of Pu-239 is about 24,110 years. Find the decay constant. Use the function N (t) = N 0 e

    asked by Student09 on December 4, 2012
  59. maths

    Compass bearings of a carin are taken from two points A and B, 400 m apart, along a strsight north-south path, A being due north of B. the bearings of the carin from A and B are 110 degrees and 80 degrees, respectively. choose the two options which give

    asked by kelly on April 19, 2007
  60. Anatomy

    I have the formula to problem but can not come up with any of the answers. Problem: Calculate the cardiac output if heart rate (HR) is 90 beats per minute, stroke volume (SV) is 110 ml/beat, end diastolic volume (EDV) is 140 ml, and end systolic volume

    asked by Mary on June 5, 2016
  61. Chemistry

    The enthalpy of vaporization of mercury is 59.1 kJ/mol. The normal boiling point of mercury is 357*C. What is the vapor pressure of mercury at 25*C?

    asked by Anonymous on October 28, 2010
  62. phy

    is that true a block on a flat surface. The normal force on the block and weight of the block make up a third law pair.

    asked by ami on September 18, 2010
  63. statistics

    10. A random sample of n=36 scores is selected from a normal distribution with a mean of u=60. After a treatment is administered to the individuals in the sample, the sample mean is found to be M=52.

    asked by Anonymous on April 6, 2011
  64. statistics

    A normal distribution has a mean of 20 and a standard deviation of 2. If you convert every score in the distribution to Z scores, which of the following statements would be true of the resulting distribution?

    asked by Anonymous on September 29, 2011
  65. operations management

    A company requires 5,000 units of a product in a single year. It costs them $100 per order for expenses such as transportation and communication. If the product is carried in inventory, the carrying cost equals 1% of the price of the product for every

    asked by carey on April 29, 2010
  66. geometry

    if one of the two vertical angles has a measure of 3x and the other has a measure of 5x - 80. Find the measure of each.

    asked by angel on September 14, 2016
  67. math

    if a and b are acute angles, sin(a+b)= 56/65, and sin b = 5/13, find sin a

    asked by giddy on May 11, 2011
  68. math

    if a and b are acute angles, sin(a+b)= 56/65, and sin b = 5/13, find sin a

    asked by giddy on May 11, 2011
  69. Mathematics

    Determine two coterminal angles (one positive and one negative) for θ = −503°. a. 217°,− 323° b. 217°, − 143° c. 307°, − 413° d. 127°, − 323° e. 127°, − 233°

    asked by Camille on July 9, 2016
  70. geometry

    I relly need help on this question. "Determine whether the conjecture is true or false.Give an example if its false". Given: angle ABC,angle DBE are congruent. Conjecture:They are vertical angles.

    asked by stef on September 19, 2012
  71. Trig

    From two different tracking stations, a weather balloon is spotted from two angles of elevation, 57degrees and 83 degrees, respectively. The tracking stations are 15 km apart. Find that altitude of the balloon. Any help given will be greatly appriciated

    asked by Sonia on July 20, 2010
  72. physics

    A 0.050-m-long wire is carrying a current of 2.0 A at right angles to a 0.15-T magnetic field. What is the magnitude of the force exerted by the magnetic field on the wire? A. 0.015 N B. 0.0037 N C. 0.67 N D. 6.0 N It's A right? 0.05*2*0.15

    asked by sally on May 21, 2009
  73. Math

    What is the square of the least two-digit prime number? What is the least two-digit prime number? 11 how do i show that the polygons are similar by checking that corresponding angles have equal measures and corresponding sides are proportional? 10 11 So

    asked by Christian on January 11, 2007
  74. Pre calculus

    Dternine the unknown side and angles of each triangle give both solutions. In Abc. Angle C is 31 degrees. a is 5.6 cm and c is 3.9 cm. solve this triangle and give both solutions along with all the steps. tanks

    asked by Pre cal 11 on February 27, 2016
  75. Physics

    What is the critical angles for water ice when surrounded by air? theda critial = arcsin(n2/n1) =arcsin(1/n1) What is the index of refraction of water ice? also is the above equation correct?

    asked by Andrea on April 16, 2008
  76. Pre Calculus

    Determine two coterminal angles (one positive and one negative) for θ = −503°. a. 217°,− 323° b. 217°, − 143° c. 307°, − 413° d. 127°, − 323° e. 127°, − 233°

    asked by Jessica Maths on July 10, 2016
  77. Geometry

    Given: Segment CE bisects

    asked by Kara on November 8, 2012
  78. Physics

    The steel ball is suspended from the accelerating frame by the two cords A and B. The angles (they are on the inside) are both 60 degrees. Determine the acceleration of the frame which will cause the tension in A to be twice that in B. The acceleration is

    asked by Ian on October 4, 2012
  79. physics

    A traffic light weighting 145 newtons hangs from a vertical cable tied to two other cables that are fastened to a support. The upper cables make angles of 31.0 degrees and 57.0 degrees with the horizontal. Find the tension in each of the three cables.

    asked by mike on October 30, 2014
  80. physics

    A bicyclist is pedaling along a road that is sloped upward with angle theta. At which of these road elevation angles must the bicycle wheels exert the greatest force back on the road to move the bicycle forward at the same constant speed?

    asked by marie on October 8, 2014
  81. geometry

    1. Triangle ABC has a 63.0-degree angle at B, and side AC is 13.6 cm long. What is the diameter of the circle circumscribed about ABC? 2. And: Given any triangle ABC, with sides a, b, and c opposite angles A, B, and C, respectively, what can be said about

    asked by Esi on April 12, 2010
  82. geomery

    1. Triangle ABC has a 63.0-degree angle at B, and side AC is 13.6 cm long. What is the diameter of the circle circumscribed about ABC? 2. And: Given any triangle ABC, with sides a, b, and c opposite angles A, B, and C, respectively, what can be said about

    asked by Esi on April 12, 2010
  83. Math

    Ok we are doing central angles and arcs and I can't figure out how to solve this problem: An arc is 70.7 m long and it subtends a central angle of 2ð/7. Find the diameter of the circle. How do you solve for this type of problem?

    asked by Breann on September 16, 2007
  84. Trig

    A plane is flying at 240 mph heading North 60 degrees East. The wind is blowing at South 30 degrees East at 30 mph. What is the largest and smallest angles?

    asked by Anonymous on June 25, 2011
  85. Math-soh cah toa

    A bridge is 140m long.From the ends of the bridge, the angles of depression of a point on the river under the bridge is 41° and 48°. How high is the bridge above the river to the nearest meter. ( I know the answer is 68m, I just need to know how to get

    asked by Kennedy on April 7, 2016
  86. science

    Suppose that you hold a garden hose on the ground. It spurts water at a speed of 6,0m.s' (a) at what angle (to the horizontal) should you hold the hose pipe if you want to water plants 2m away? (b) explain why there are two possible angles?.

    asked by Mykmoloko on February 9, 2011
  87. Physics

    The two angled ropes used to support the crate in (Figure 1) can withstand a maximum tension of 1700N before they break. What is the largest mass the ropes can support? The two angles given are 30 degrees and 45 degrees.

    asked by Skyler on February 12, 2015
  88. Col. Algebra

    I'm needing help with understanding /solving this problem. Can you please help? In triangle ABC, the angle C is six times as large as angle A. The measure of angle B is 20 degree greater that that of angle A. Find the measure of the angles.

    asked by Kelli on April 10, 2017
  89. math

    1.)Explain why ironing boards always remain parallel to the floor and can be adjusted for people of various heights. You may want to consider the following: a.)The legs of the board are built so that AD = BD and DE = DF, and ADF and BDE are straight lines

    asked by anon on July 21, 2010
  90. physics

    A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. The speakers are 28.0 m apart and the total power of the sound coming from each speaker is 0.602 W. Find the total sound intensity

    asked by Anonymous on December 5, 2014
  91. math

    1. A helicopter left Calgary and travelled 135 km west into the Rocky Mountains at an average speed of 2x^2 + 3x km/h. The return journey was at an average speed of 4x^2 - 9 km/h. a) Write and simplify an expression for the total flying time in hours. b)

    asked by Jenna on March 13, 2015
  92. physics

    A man stands at the midpoint between two speakers that are broadcasting an amplified static hiss uniformly in all directions. The speakers are 37.0 m apart and the total power of the sound coming from each speaker is 0.448 W. Find the total sound intensity

    asked by David Egan on February 8, 2015
  93. Math209

    Selling shirts. If a vendor charges p dollars each forrugby shirts, then he expects to sell 2000 - 100p shirts ata tournament. a) Find a polynomial R(p) that represents the total revenuewhen the shirts are p dollars each. b) Find R(5), R(10), and R(20). c)

    asked by Joseph on March 14, 2010
  94. I need serious help

    A certain food must be mixed at a ratio of 1:50 (1 part dry to 50 parts wet). A cooker needs a total of 2 and 1/2 gallons of solution. how many ounces of each should be added? Never mind The way to work these is consider the total to be broken into 51

    asked by Gogo child on August 12, 2005
  95. ThermoChemistry

    Calculate the final temperature of solution when 10 g of oxalic acid, (COOH)2(s), is dissolved in 110.0 mL of water that is initially at 26 C. The enthalpies of formation of oxalic acid in the solid and aqueous phases are -826.8 and -818.8 kJ/mol,

    asked by LaurenB on December 2, 2011
  96. Physics

    The diagram below shows two vectors, A and B, and their angles relative to the coordinate axes as indicated. DATA: α= 45.9o β= 57.6o |A| = 7.9 cm. The vector A - B is parallel to the -x axis (points due West). Calculate the magnitude of the vector A+B. I

    asked by jameson on September 16, 2012
  97. Economics- please check

    Please check to see if my answers are correct. Complete each sentence by choosing the correct answer from the list of terms below. You will not use all of the terms. *normal good *complements *income effect *demand curve *ineleastic *inferior good *law of

    asked by Anonymous on October 14, 2007
  98. Current/Magnetic force

    A high voltage power line carries a current of 110 A at a location where the Earth's magnetic fields has a magnitude of 5.9 x 10^-4 T and points north at an angle of72 degrees below the horizontal (toward the earth surface). Find the direction and

    asked by Matt on April 5, 2012
  99. statistics

    Consider an upper-tail test of hypothesis for the difference in two population means. The sample data from the first population is: n = 50, x-bar = 110, s = 10. The sample data from the second population is: n = 75, x-bar = unknown, s = 11. We conclude the

    asked by zac on November 28, 2016
  100. statistics

    Consider an upper-tail test of hypothesis for the difference in two population means. The sample data from the first population is: n = 50, x-bar = 110, s = 10. The sample data from the second population is: n = 75, x-bar = unknown, s = 11. We conclude the

    asked by zac on November 18, 2013