1. math

    Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $660. What is his normal hourly rate?

    asked by matt on September 1, 2011
  2. Physics

    A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm What Is The Angular Magnification

    asked by Godwin John on February 15, 2017
  3. Physics

    A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm What Is The Angular Magnification (a) 20 (b) 25 (c) 1/20 (d) 1/25

    asked by Godwin on February 15, 2017
  4. math

    Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 46 hours and earned $520. What is his normal hourly rate?

    asked by amber on February 5, 2011
  5. math

    An investment of $2500 is made at an annual interest rate of 5.5% .How much additional money must be invested at an annual simple interest rate of 8% so that the total interest earned is 7% of the total investment?

    asked by Marcela Minoza on September 3, 2012
  6. Math Word Problem

    Each course at college X is worth either 3 or 4 credits. The members of the​ men's swim team are taking a total of 52 courses that are worth a total of 169 credits. How many 3​-credit courses and how many 4​-credit courses are being​ taken?

    asked by Soora on February 27, 2016
  7. mathematics

    he dimensions of a rectangular prism are (5x squared - 4x - 3) (x squared - x + 1) cm by (3x squared - 5) cm. Find a polynomial which represents 1. the total surface are of the prism. 2. the total length of the edges of the rectangular prism 3. the volume

    asked by alexis on January 14, 2015
  8. Math

    Gray bought two plots of land for a total of 120000 on the first plot she made a profit of 15% on the second plot she made 10% profit her total profit 5500, how much did she pay for each piece of land?

    asked by Solve this math if possible on October 18, 2013
  9. maths

    A brick wall is built by using 2 bricks less in each layer than in the previous one. The wall has m layers and in total 21m+40 bricks are used. If the top layer has only 4 bricks, determine:A) the value of m b) the total number of bricks in the wall

    asked by Anonymous on February 21, 2010
  10. Physics

    A 1000kg car is driving toward the north along a straight horizontal road at a speed of 20.0 m/s. The driver applies the brakes and the car comes to a rest uniformly in a distance of 150 m. What is the magnitude applied to the car to bring it to rest?

    asked by Anonymous on March 12, 2016
  11. physics

    Two 100 kg ball are mounted on a seesaw and seesaw is in balanced position and balls can move freely on the surface.How much force I should applied on the right arm of seesaw so that the left side ball could jump up to 5 centimeter in the Air.

    asked by vikram on April 28, 2017
  12. physics

    A 0.580-kg ball is dropped from rest at a point 1.60 m above the floor. The ball rebounds straight upward to a height of 0.650 m. What are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?

    asked by Anonymous on January 13, 2015
  13. Math

    γ is a permutation on eight elements, though you are not told which permutation it is. If γ is applied to an 8-element set, what is the minimum number of additional times we must apply γ to the resulting set in order to guarantee the set is back in its

    asked by best on June 19, 2013
  14. western michigan university

    1050 calories of heat from soybean oil was applied to a 250 gram sample of liquid water with an initial temperature of 25 degrees Celsius. Determine (a) the final temperature of water and (b) the change in temperature.

    asked by lorena on December 7, 2012
  15. physics

    A uniform disk with a mass of 27.3 kg and a radius of 0.309 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as the drawing indicates. (a) What is the net torque produced by the two forces? (b) What is the

    asked by Sami on November 2, 2011
  16. Statistics

    In a survey, the guess at the mean age for the class had a mean of 21.9 and a standard deviation of 3.03. Given that Normally distributed populations have a first quartile of Z=-0.67 and a third quartile of Z=.67, what does this suggest about whether or

    asked by david on July 14, 2011
  17. physics

    Two blocks m1 = 9.1 kg and m2 = 5.6 kg are connected by a homogeneous rope that has a mass of mr = 1.50 kg. A constant vertical force, F = 193.0 N, is applied to the upper block. What is the magnitude of the acceleration of the system?What is the magnitude

    asked by jameson on September 23, 2012
  18. physics

    TWO BLOCKS a AND b ARE CONNECTED BY A HEAVY ROPE OF MASS 2kg THE MASSES OF a AND b ARE 10 AND 5kg RESPECTIVELY.IF AN UPWARD FORCE OF 200N IS APPLIED TO THE TOP ROPE A:FIND THE ACCELERATION OF THE SYSTEM B:WHAT IS THE TENTION AT POINT P1 AND P2 ON THE HEAVY

    asked by Fonde on January 13, 2012
  19. Math

    γ is a permutation on eight elements, though you are not told which permutation it is. If γ is applied to an 8-element set, what is the minimum number of additional timeswe must apply γ to the resulting set in order to guarantee the set is back in its

    asked by Bob on June 18, 2013
  20. Physics

    A 0.400-kg ball is dropped from rest at a point 1.80 m above the floor. The ball rebounds straight upward to a height of 0.730 m. What are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?

    asked by Sarah on October 14, 2010
  21. Math

    γ is a permutation on eight elements, though you are not told which permutation it is. If γ is applied to an 8-element set, what is the minimum number of additional times we must apply γ to the resulting set in order to guarantee the set is back in its

    asked by Dan on June 18, 2013
  22. Algebra

    How can algebra be used to solve this problem? The boy solved 10 problems correctly at 8 cents a problem for a total of 80 cents, and 16 incorrectly at the cost of 5 cents for a total of 80 cents. Therefore, neither the boy nor his father owed each other

    asked by Kate on June 22, 2009
  23. ssc

    one diagonal of a parallelogram is 16.5. it makes angles of 36 degrees 10 minutes and 14 degrees and 30 minutes respectively with the sides. find the sides

    asked by cris sept on September 25, 2014
  24. algebra

    In a triangle ABC , angle B is 4 times angle A and angle C is 17 degrees less than 5 times angle A. Find the size of the angles.

    asked by Sam on September 21, 2010
  25. math

    In a triangle ABC,angle B is 3 times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

    asked by Anonymous on September 18, 2010
  26. Algebra

    In a triangle ABC, angle B is three times angle A and angle C is 5 degrees less than 6 times angle A. Find the size of the angles.

    asked by Dora on March 10, 2010
  27. math

    if the measure of the angles of a traingle are represented by 2x, 3x-15, and 7x+15, the traingle is 1 an isosceles triangle 2 a right triangle 3 an acute triangle 4 an equilateral triangle

    asked by Anonymous on May 8, 2009
  28. math

    In an isosceles triangle, the perimeter is 75 cm and one of the sides is 25 cm. Find all its sides. Can you find all angles of the triangle? Explain your answer.

    asked by maria on January 28, 2017
  29. math

    you find a sales receipt from a store that shows the total price as $40, and the total amount paid including sales tax as $42. a. Write an equation you can use to find the sales tax rate r. b. Can you use r to find the percent for the sales tax?

    asked by robin on February 13, 2018
  30. math

    Kendra deposited a total of $9,000 between two saving accounts bearing simple interest. One of the accounts has an interest rate of 3% while the other rate is 4%. If the total interest earned after one year is $320, find the amount deposited into each of

    asked by seb on August 6, 2016
  31. math

    A taxi ride costs $3 plus $2.50 per mile. Write and graph an equation in two variables that represents the total cost of a taxi ride. Let mm represent number of miles and cc represent the total cost (in dollars) of the taxi ride.

    asked by Anonymous on March 21, 2018
  32. optimization

    The manager of a large apartment complex knows from experience that 110 units will be occupied if the rent is 322 dollars per month. A market survey suggests that, on the average, one additional unit will remain vacant for each 7 dollar increase in rent.

    asked by Jane on April 20, 2011
  33. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

    asked by kartik hans on May 24, 2014
  34. chemistry

    A student generates H2(g) over water using the reaction between zinc and hydrochloric acid Zn(s)+ 2HCl(aq)---> ZnCl2(aq)+ H2(g) Data: Mass of vial and zinc 15.5082 mass of vial 15.3972 mass of zinc 0.111 final burette reading 45.30mL barometric pressure:

    asked by Yuli on November 24, 2011
  35. comptuer programming

    i need help with my code i keep comin up with errors in basic Dim Firstname as string Dim Lastname as string Dim Empnum As Integer Dim HourRate As Integer Dim Hours As Integer Dim Tools As Integer Dim Total As Integer Dim Netpay As Integer Dim Taxes As

    asked by farmer on June 4, 2013
  36. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

    asked by kartik hans on May 23, 2014
  37. Accounting for Managers

    Question 1 of 20 5.0 Points Which of the following products probably would be manufactured using a job order costing system? A. Paper B. Baseball cards C. Computer monitors D. Company business cards Reset Selection Mark for Review What's This? Question 2

    asked by Blu on September 5, 2012
  38. Urgent Science~!

    Carla applied a force of 35 N to a wheelbarrow full of bricks and moved it 2.5 m. Which of the following can be determined from this information? The wheelbarrow supplied 87.5 J of work. The wheelbarrow has a mechanical advantage of 14.*** The wheelbarrow

    asked by Gabby on December 10, 2013
  39. physics

    In 2003, New Zealand households consumed a total of 153.6E+15 J of energy (the largest amount of any sector in the New Zealand economy). How many days would it take for the sun to put that amount of energy onto a region 20.0 km by 20.0 km (0.15 percent of

    asked by steve on May 18, 2010
  40. Chemistry(Please Respond)

    Willsomeone, please check my answers? (

    asked by Anonymous on June 21, 2012
  41. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan on October 27, 2009
  42. math

    Three authors team up to write a childrens book. The publisher pays them according to the following contracts Author - Fixed Rate - Royalty Patricia $3000 - 1n Stephan - $1500 - 2n Harlan - $1000 - 3n Find a simplified expression that represents the total

    asked by dylan on October 27, 2009
  43. math

    Find the sales tax rate in your area. Using this tax rate, write a linear equation representing the total with tax for a purchase of x dollars. Use this equation to determine what the pre-tax cost of the item is if the total cost with tax is $10.

    asked by Heather on June 1, 2010
  44. math-urgent

    Newton’s Law of Cooling states that the temperature of a heated object decreases exponentially over time toward the temperature of the surrounding medium. The temperature u of a heated object at a given time t can be modeled by the following function:

    asked by sandy on December 5, 2012
  45. Physics

    Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the heat energy must be wasted (released into the environment). We have a heat engine that produces 150 J of heat, does 40 J of

    asked by Jessica on December 7, 2016
  46. 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
  47. 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 on October 31, 2016
  48. 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
  49. 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
  50. 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
  51. 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
  52. Environmental Studies

    Buell (2004: 110) suggests that "people have entered a world in which the robust exercise of their power to modify nature has made their past actions increasingly into their present fate-or, better, not just their present fate, but the fate of all life

    asked by Kjd on October 15, 2012
  53. 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
  54. 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
  55. 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
  56. 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
  57. 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
  58. 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
  59. 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
  60. 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
  61. 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
  62. 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
  63. 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
  64. 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
  65. 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
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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
  73. 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
  74. 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
  75. 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
  76. 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
  77. 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
  78. 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
  79. 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
  80. 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
  81. 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
  82. 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
  83. 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
  84. 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
  85. 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
  86. 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
  87. 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
  88. 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
  89. 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
  90. 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
  91. 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
  92. 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
  93. 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
  94. 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
  95. 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
  96. 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
  97. 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
  98. 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
  99. 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
  100. 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