1. math

    Maya needs to make a total of deliveries this week. So far she has completed of them. What percentage of her total deliveries has Maya completed?

    asked by alfonso on April 9, 2018
  2. devry

    If my total cost per month is $773.02 and my mile of 180 driven a month. So what would my total be for cost per mile

    asked by Shelia on June 25, 2013
  3. Math

    Jun Wei has 12 more 10 cent coins than 20 cent coins. The total value of all his coins is $5.40. Find the total number of coins he has.

    asked by Jason Dhaki on October 31, 2016
  4. CHEMISTRY

    If 4.00 g of metal is plated in the voltaic cell (which contains Ag and Ni with the total potential of 2.98 V) , how much metal is plated in the electrolytic cell (contains Ag and Zn with the total of 1.98 V)?

    asked by Nia on March 9, 2012
  5. Math

    The current, I, in amperes, for an electric circuit is given by the formula I=4.3sin120(pi)t, where t is time, in seconds. a)At what time is the current at its max volume? How does your understanding of co terminal angles help in your solution? b)What time

    asked by Bethany on November 13, 2015
  6. please help

    . If Healthy Foods has an annual interest expense of $10,000, calculate the degree of financial leverage at both 20,000 and 25,000 bags. 20,000 bags x $10 = 200,000 - $10,000 = 190,000 – 80,000 = 110,000 25,000 bags x $10 = 250,000 - $10,000 = 240,000

    asked by scooby9132002 on July 30, 2009
  7. chemistry

    Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Water has the highest boiling point. B. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. C. Dispersion

    asked by jose on February 5, 2008
  8. Chemistry

    Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. B. H-O-H and C-O-H bond angles are all equal to 1095. C.

    asked by Tom on May 3, 2008
  9. chemistry

    Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. B. Dispersion forces affect all three molecules. C. H-O-H

    asked by Anonymous on February 11, 2008
  10. chemistry

    Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. H-O-H and C-O-H bond angles are all equal to 109.5. B. Dispersion forces affect all three molecules. C. Two lone pairs of electrons are assigned to the oxygen

    asked by Anonymous on February 9, 2008
  11. chemistry

    Which of the following statements is NOT true in regards to water, ethanol, and isopropanol? A. H-O-H and C-O-H bond angles are all equal to 1095. B. Two lone pairs of electrons are assigned to the oxygen in each Lewis structure of all three molecules. C.

    asked by Kyle on February 4, 2009
  12. Physics

    A capacitor network has two capacitors in series: 150nF and 120nF. The potential difference between point a on the outer side of the 150nF capacitor and point b on the outer side of the 120nF capacitor is 120nF. a) total charge of the network= 2.4uC b)

    asked by Jon on March 4, 2011
  13. bio

    T or F? stem cells in the bone marrow can produce more than a dozen types of blood cells, replacing those lost due to normal wear and tear. T or F? only eukaryotic cells undergo true mitosis.

    asked by jess on December 31, 2008
  14. maths(pls help me)

    A fair coin is tossed 400 times.Use the normal-curve approximation to find the probability of obtaining: a.Between 185 and 210 heads inclusive. b.Exactly 205 heads. c.less than 176 or more than 227 heads.

    asked by farahan on May 14, 2016
  15. physics

    A aeroplane with a mass of 9940 kg completes a vertical loop of radius 596m with a speed of 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?

    asked by mike on October 25, 2008
  16. English

    Can you check these sentences, pelase? He was a normal child till the age of 18. He managed to take one of the cannnibals' captives prisoner (better: to capture ?) He decided to go to sea, to make his fortune at sea, to set out on a sea journey???

    asked by Henry1 on May 13, 2011
  17. statistics

    2 Packets of crisps from a production line have a weight distribution that is normal with a mean of 50.0 grams and a standard deviation of 2.0 grams. Samples are taken of size 36.

What is the probability that a sample mean is less than 49.0 grams?

    asked by Nezar on December 10, 2011
  18. Statistics

    A psychologist studied the time x (in seconds) it took a subject to complete a pencil and paper maze while in the presence of a floral scent. Suppose x has a normal distribution with mean 70 seconds and standard deviation 15 seconds. Find P(X

    asked by Joshia Norman on April 5, 2018
  19. Statistics

    A psychologist studied the time x (in seconds) it took a subject to complete a pencil and paper maze while in the presence of a floral scent. Suppose x has a normal distribution with mean 70 seconds and standard deviation 15 seconds. Find P(X

    asked by Joshia Norman on April 5, 2018
  20. math

    Hitomi has a total of 30 red and blue bowling balls ate her bowling alley. Each red ball weighs 8 lb. Each blue ball weighs 9 lb. If the total mass of the blue balls is 49 lb. heavier than the total mass of the red balls, how many red balls does she have?

    asked by anna on March 2, 2011
  21. statistics

    If I selected one player at random what would be the probability of an NBA player in the Eastern conference being less than 6 feet tall? First calculate the z-score and then use the standard normal table to find the probability.

    asked by Anonymous on March 28, 2015
  22. workin in a pharmacy

    when wrapping a normal purchase,the pharmacy assistant should a.remove the price tag b.use plenty of wrapping paper c.never use bags d.use a minimum of paper and cellulose tape my answer is d

    asked by susue on January 23, 2013
  23. Data Management

    The teacher of a Data Management class, in which the class average is 68% with a standard deviation of 8.5%, has offered to help up to 10% of the students after school with their projects. Using the normal distribution, how should the teacher decide who

    asked by Michael Cannataroe on May 24, 2012
  24. Statistics

    The repair cost for a certain model of laptop computer has a normal distribution with a mean of $100, and with a standard deviation of $25. If 16 ovens are sent for repairs, find the probability that the average cost of repairs will be within $10 of the

    asked by Tom Biggs on December 17, 2015
  25. physics

    A 60kg wood carving of a gazelle slides under the action of the force shown. What is the normal force? assumin the gazelle starts from rest, how long will it take to move 3 meters?

    asked by antonio on October 26, 2012
  26. economics

    The small town of Middling experiences a sudden doubling of the birth rate. After three years, the birth rate returns to normal. Use a diagram to illustrate the effect of these events on the following.

    asked by deborah on April 7, 2010
  27. Geometry

    On September 3, 1970 a hailstone with diameter 5.6in fell at Coffeyville, Kansas. It weighed about 0.018Ib/in^3 compared to the normal 0.033Ib/in^3 for ice. About how heavy was this Kansas hailstone?

    asked by George on September 27, 2013
  28. smk n2

    Tent. sudut yang lebih kecil dari perpotongan bidang 5x-14y+2z-8=0 dan 10x-11y+2z+5=0 (tent sudut antara normal-normalnya)

    asked by Dani on April 14, 2011
  29. Stats

    The incomes in a certain lg. population of college teachers have a normal distribution with a mean of $35,000 and st. dev. of $5000. Four teachers are randomly selected. What is the probability their average salary will exceed $40,000?

    asked by MT on July 2, 2013
  30. physics

    starting from rest,a 5.20 kg block slides 3.20 m down a rough 30 degrees incline. The coefficient of kinetic friction between the block and the incline is k=0.436. (a)determine the work done by the normal force

    asked by tshimologo on February 12, 2018
  31. Chemistry

    When 2.50g of an unknown solute is dissolved in 40.0g of ethanol the solution boils at 79.4C. The normal boiling point of this substance is 78.4C and it has a kb of 1.22C/m. (a) What is the molality of this solution? (b) What is the molecular weight of the

    asked by Mark on January 9, 2011
  32. UNION UNIVERSITY

    Find the Z score for the weights of Middle school boys which are approximately Normal, mean = 130 lbs, Standard Deviation = 7, if Johnny weighs 148 lbs, What's his Z score?

    asked by SAMANTHA on November 12, 2014
  33. Physics

    A particle hangs from a spring and oscillates with a period of 0.2 s.If the mass-spring system remained at rest, by how much would the mass stretch it from its normal equilibrium position? The acceleration of gravity is 9.8 m/s^2

    asked by Emily on April 8, 2013
  34. physics

    A beam of light is incident on a flat piece of polystyrene at an angle of 55 degrees relative to a surface normal. What angle does the refracted ray make with the plane of surface? thank you

    asked by sam on February 25, 2009
  35. CALCULUS-GUYS..PLEASE HELP...THIS DUE TOMORROW..

    An automobile travels at a constant speed around a curve whose radius of curvature is 2000m. What is the maximum allowable speed if the maximum acceptable value for the normal scalar component of acceleration is 1.5m/s^2?

    asked by aimi najwa on April 24, 2013
  36. statistics college

    suppose we have a set of blood pressure set with a mean of 120 systolic and a sample standard deviation of 20 points assume a normal distribution of what two values should 95% of all systolic bp lie

    asked by melba on May 23, 2012
  37. Physics Question

    Some rearview mirrors produce images of cars behind you that are smaller than they would be if the mirror were flat. What is a mirror's radius of curvature if cars 23.0 m away appear .36x their normal size? I got .24 meters but it is wrong??

    asked by ###Nadine#### on April 15, 2012
  38. math

    For a normal distribution with mean of 80 and a standard deviation of 8, find the number of standard deviations the raw score 67 is from the mean (Give answer as a positive value rounded to nearest hundredth). (67 - 80) / 8 = 13/8 is this the right answer

    asked by Sam on July 20, 2017
  39. physics

    a man pulls a log of mass 45 kg along level ground by means of a rope at constant speed. If the applied force is at an angle of 30 degrees to the horizontal and the force of friction is 36N find the work done by him pulling the log through a distance of

    asked by maham on May 12, 2013
  40. differential equations

    Search: A 8 kg mass is attached to a spring hanging from the ceiling and allowed to come to rest. assume that the spring constant is 40 n/ m and a damping constant is 3 N/m. At t=0 and external force of 2 sin(2t+PI/4)N is applied to the system. determine

    asked by mike on April 18, 2011
  41. dog behavior

    Please check my answer thanks Which of the following conditions is an example of an intervening variable ? A painful stimulation applied just after the independent variable B. A loud noise causing a startle reponse C. Deperiving a subject of water 12 hours

    asked by Anonymous on April 17, 2008
  42. math

    Assume the brakes of an automobile produce a constant deceleration of k ft/sec^2. Determine what k must be to bring an automobile traveling 60 mph to a rest in a distance of 100 ft from the point where breaks are applied? With the same k, how far would a

    asked by Barry on April 15, 2015
  43. Physics

    Two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 402 N and F2 = 364 N. (Assume up and to the right as positive directions.)(F1 is 10degrees and F2 is 30degrees) (a) What is the resultant of these two

    asked by Dani on May 3, 2011
  44. physics

    a 400 g rubber ball is dropped a vertical distance of 12 m onto the pavement. it is in contact with the pavement for 0.01 s and rebounds to a height of 10 m. what is the total change in momentum? what average force is exerted by the pavement on the ball?

    asked by laur on June 26, 2008
  45. Physics

    A hummingbird flies 2.7 m along a straight path at a height of 5.3 m above the ground. Upon spotting a flower below, the hummingbird drops directly downward 1.8 m to hover in front of the flower. a) What is the magnitude of the hummingbird’s total

    asked by Anna on October 18, 2017
  46. Algebra 2..

    Automobile Urchasing Preference (Data): *Male American- 58 European- 112 Asian- 46 Total: 216 *Female American- 27 European- 76 Asian-133 Total: 236 Determine: The probability that the person taking the survey was male given that he preferred a European

    asked by Anonymous on June 19, 2013
  47. Physics

    A hummingbird flies 1.6 m along a straight path at a height of 5.4 m above the ground. Upon spotting a flower below, the hummingbird drops directly downward 2.4 m to hover in front of the flower. A.) What is the magnitude of the hummingbird’s total

    asked by Jake Penn on November 10, 2012
  48. Physics

    A - A hummingbird flies 2.7 m along a straight path at a height of 5.3 m above the ground. Upon spotting a flower below, the hummingbird drops directly downward 1.8 m to hover in front of the flower. a) What is the magnitude of the hummingbird’s total

    asked by Anna on October 17, 2017
  49. statistics

    Find z such that 20.3% of the standard normal curve lies to the right of z. 0.831 0.533 -0.533 -0.257 0.257

    asked by Randy on September 27, 2010
  50. Statistics

    Find z such that 20.3% of the standard normal curve lies to the right of z. 0.831 0.533 -0.533 -0.257 0.257

    asked by alex on June 24, 2010
  51. SCIENCE

    what bicycle parts help the downhill race bike and road race bike and why are they different from normal bikes?

    asked by HELPP on March 1, 2013
  52. physics

    The normal temperature of the human body is 37Celsius. a baby temperature is 98farenheit. DOes the baby a fever? Why?

    asked by k on September 27, 2016
  53. Math

    The diameter of a normal front wheel on a bicycle is 24" Find the circumference and area of the front wheel?

    asked by Mary on February 24, 2016
  54. Physics Normal force

    When an object exerts a normal force on a surface, the force is My answer is perpendicular to the surface. Am i correct?

    asked by xavier on August 3, 2013
  55. chemistry

    Assign an oxidation state to each atom in each of the following compounds. 1) Fe(CN)3 i know Fe= +3 but how do i find the oxidation state for C and N? does CN have a normal over all charge?

    asked by Samantha on May 5, 2011
  56. STAT 250..Help!

    What is the probability of randomly selecting a z-score less than z = 0.80 from a normal distribution? a)-0.2119 b)0.7881 c)0.2119 d)-0.7881

    asked by Jane Segurra on March 21, 2013
  57. grammar

    The patient is alert and oriented and has normal mental status exam. which are verbs? alert = v oriented = v is = v

    asked by tina on July 6, 2009
  58. statistics

    True or False For any normal distribution, the proportion corresponding to scores greater than z = +1.00 is exactly equal to the proportion corresponding to scores less than z = 1.00.

    asked by Lyndyc on January 6, 2014
  59. Science

    What is a scientific definition for the word "mass." Note: This CAN NOT be from a normal dictionary. I need a SCIENTIFIC definition. Thanks a bunch!

    asked by Taylor on September 27, 2008
  60. physics

    A 4.5 kg bag of groceries is in equilibrium on an incline of angle θ = 55°. Find the normal force of the incline on the bag.

    asked by Kevin on December 2, 2010
  61. Maths

    The tangent to the curve 2y= 2x^2 -5x +4 at the point where x=1 is parallel to the normal to the curve y= ax^2 + bx +10 at the point (-2,2). Calculate the values of a and b. The answers are a=1, b=6

    asked by Claire on April 4, 2008
  62. statics

    in a certain normal distribution , 1.25% of the area lies to the left of 42 , and 1.25% of the area lies to the right of 48. find population mean and sigma

    asked by Anonymous on January 24, 2015
  63. Statistics

    Find z such that 20.3% of the standard normal curve lies to the right of z. 0.831 0.533 -0.533 -0.257 0.257

    asked by John on June 25, 2010
  64. Pre algebra

    My problem says The cost of a cell phone for one month is a linear function of the numbers of minutes used. The total cost for 20, 35, and 40 additional numbers Re shown. Then it gives a table where it's 20/48$, 35/54$ and 40/56$ The first question is ,

    asked by Alyssa on November 25, 2014
  65. economics

    When using 400 printers and 200 printing presses to produce books. A printer's wage rate is 20, and the price of printing press is 5,000. The last printer added 20 books to total, while the last press aded 1,000 books to total output. Is this an optimal

    asked by Sharon on February 22, 2010
  66. Economics

    The total operating revenues of a public transportation authority are $100M while its total operatiing costs are $120M. The price per ride is $1, and the price elasticity of demand for transportation ia -0.4. The transportation authority has to eliminate

    asked by Stephanie on December 10, 2012
  67. elem alg

    On a certain test, the student gets 3 points for each correct answer and loses 2 points for each incorrect answer. The test has 37 questions total. (no question can be lfet blank.) If x is the number of answers a students gets correct, write and express

    asked by Vera on March 10, 2011
  68. Physics

    So if I have a rocket going to a certain height - I know its mass, and I know its total impulse, and the height it reaches -how do I calculate for another height? For example, 50Ns is total impulse, mass is 550g, and height is 750m. How do I calculate the

    asked by Enrique on October 15, 2015
  69. Math

    So if I have a rocket going to a certain height - I know its mass, and I know its total impulse, and the height it reaches -how do I calculate for another height? For example, 50Ns is total impulse, mass is 550g, and height is 750m. How do I calculate the

    asked by Enrique on October 15, 2015
  70. Physics

    Grains of fine California beach sand are approximately spheres with an average radius of 50 μm and are made of silicon dioxide, which has a density of 2.4 × 10^3 kg/m3. What mass of sand grains would have a total surface area (the total area of all the

    asked by Robin on January 30, 2014
  71. Math (Grade 9)

    A submarine travels 16km/h on the surface of the water and 10km/h under water. The sub covers 138km in 12 hours. I) Write 2 equations to represent; (Define Variables) total number of hours: Total distance travelled. II) Use equations to calculate the spent

    asked by Nick on June 4, 2015
  72. Physics

    A helicopter of mass M and weight ,W,rises with vertical acceleration, a, due to the upward thrust ,u, generated by its rotor.The crew and passengers of total mass ,m, and total weight,w, exert a combined force R on the floor of the helicopter.Write an

    asked by Jaden K Hove on April 18, 2013
  73. Reactor Physics

    There is an infinite non-multiplying medium with diffusion length 3 cm and diffusion coefficient 1 cm. There are 3 point sources of neutrons on the x-y plane: „h Source S1 = 108 s-1 at (x, y) = (2 cm, 0) „h Source S2 = 2*108 s-1 at (x, y) = (0, 2 cm)

    asked by Daniel on November 4, 2014
  74. algebra

    Dilbert invests a total of $14,000 in two accounts paying 9% and 15% simple interest, respectively. How much was invested in each account if, after one year, the total interest was $1,350.00. A) Enter an equation that uses the information as it is given

    asked by Tina on October 26, 2015
  75. math HELP!

    Kara's custom tees experienced fixed costs of $300 and variable costs of $5 a shirt. write and equation that can be used to determine the total expenses encountered by kara's custom tee's. Let x be the number of shirts and let C(x) be the total cost of

    asked by max on January 28, 2013
  76. Physics

    A loaded elevator with very worn cables has a total mass of 3000 kg, and the cables can withstand a maximum total tension of 40,000 N. (a) What is the maximum upward acceleration for the elevator if the cables are not to break? (b) What must the tension be

    asked by Vv on November 18, 2006
  77. statistics

    I have got all the other parts but not sure how to come up with this part????In a national survey of 500 business and 500 leisure travelers, each was asked where they would most like "more space."

    asked by Sue on May 26, 2013
  78. ALGEBRA

    I need help with two problems to finish my assignment. #1 The length of a rectangle is fixed at 29cm. What widths will make the perimeter greater than 86 cm? If I could get the equation for this I would be able to figure it. I saw this one posted and no

    asked by mona on May 3, 2009
  79. algebra

    Of 375 musicians at a high school, some play only in the jazz band, some play only for the marching band, and some do both. If 250 of them play in the jazz band, and 130 play in both, how many of the musicians are in the marching band? a)110 b)100 c)135 d)

    asked by Adon on October 30, 2014
  80. Chemistry

    A calorimeter is filled with 10.0 millimole (mmole) of methane gas and an excess of oxygen. When burned, the ignition wire releases 140.77 J of heat. The heat capacity of the calorimeter is 4.319 KJ°C-1. qwire= 140.77 J Calculate ΔHcomb. Recall that

    asked by Liz on July 20, 2014
  81. algebra

    2/5 of the total questions on a test have the answer Choice of C. If 50 questions have the answer C, how many total questions are there? I've tried 20/50 2/5 times 50/1

    asked by Mj on August 27, 2014
  82. Algebra

    A cash register contains $5 bills and $10 bills with a total value of $350. If there are 46 bills total, then how many of each does the register contain? answer is 22

    asked by liliy on June 23, 2016
  83. Physics

    It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 8 g bullets at the rate of 110 bullets/min, the speed of each bullet being 550 m/s. Suppose too that the

    asked by Evan on December 5, 2012
  84. Math

    Day Number of Players Amount Collected Monday: 4 $ 88 Tuesday: 7 $154 Wednesday: 6 $132 Thursday: 3 $ 66 Friday: 2 ???? A.On Friday, the coach will collect fees from 2 more players. What is the total amount of money the coach will collect from the 2

    asked by Frances on May 7, 2011
  85. math

    One interior angle of a triangle has a measure that is equal to the sum of the measures of the other two angles of the triangle. What is the measure of the smallest exterior angle of the triangle in degrees?

    asked by G on March 11, 2015
  86. Trigonometry

    A balloon is flying west of two trigonometry students who are 7 miles apart. The angles of elevation of the two students to the balloon are 15 and 28 degrees. Approximate how high the balloon is flying.

    asked by Bailey on November 3, 2014
  87. Geometry

    Line AB is perpendicular to line BC. Point E is in the interior of angle ABC. If angle ABE = 2x+3 and angle EBC = 4x-9, find x. Then find the measure of both angles.

    asked by Maria on September 8, 2012
  88. math

    Rays AB and BC are perpendicular. Point D lies in the interior of angle ABC. If Angle ABD = 4r-7 and angle DCB = 8r+1, find angles ABC and DCB.

    asked by Sarah on September 9, 2012
  89. 8th grade Math

    In a quadrilateral , angle CAB is divided into two comgruent angles by line AD. What is the measure, in degrees of angle DAB. Angle B and D are 90 degrees. angle C equals 45 degrees.

    asked by Outcast on February 16, 2010
  90. algebra

    A weather balloon is directly west of two observing stations that are 10 miles apart. The angles of elevation of the balloon from the two stations are 17.6 degrees and 78.2 degrees. How high is the balloon?

    asked by judy on December 8, 2012
  91. Physics

    A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110

    asked by Anonymous on April 27, 2011
  92. Physics Class

    A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110

    asked by Paige on April 28, 2011
  93. Physics

    A crowbar is used to wrench open a wooden crate. The crowbar is situated so that a point 8 cm from the end digging into the box acts as a pivot point. The crobar is gripped on the other side, 29 cm away from the pivot. If the person exerts a force of 110

    asked by Sara on April 29, 2011
  94. Chem, could someone cheak my work please.

    I did this experiment where I filled a graduated cylinder with water. The I put a stopper on it and put it under water and removed the stopper. The with a modified lighter (that wouldn't release sparks) I added butane gas. I got the following results: mass

    asked by Lena on December 12, 2008
  95. English

    Can you please check these sentences for me? Thank you very much. 1) Robotiv planes and search robots can be used in rescue situations such as after natural disasters. 2)Tney can be built and launched in 15 minutes. They are equipped with cameras and

    asked by English on December 22, 2010
  96. Physics

    Specify the state of each qubit after we applied the circuit. First qubit: Second qubit:

    asked by unknown on February 25, 2013
  97. art

    i need help with my art test.how is applied art different from fine art?

    asked by Anonymous on September 23, 2008
  98. Stats

    In designing an experiment involving a treatments applied to 5 test subjects, researchers plan to use a simple random sample of 5 subjects from 28. How many different simple random samples are possible?

    asked by Macy on October 13, 2014
  99. science

    a hydrauli press has a ram of 30 cm diameter and plunger of 4.5cm diameter. find the the weight lifted by the hydraulic press when the force applied at the plunger is 500N

    asked by sam on August 22, 2017
  100. physics

    What is the minimum amount of force required to move a 4000 pound truck that is resting on level ground? If 15000 N of force is applied can you move the truck? Ms=.56 Mk=.31

    asked by Cody on December 5, 2011