1. Physics

    A horizontal spring is fixed at one end, then stretched 3.0 cm by a force of 6.0 N. Afterwards, a 0.50 kg body is attached, pulled 2.0 cm from its rest position, and released. Find (a) spring constant, (b) angular frequency, (c) frequency and (d) period.

    asked by Dia on December 18, 2011
  2. Career

    4.)Your public library can provide you with ? A.)books & other printed information about careers B.)Access to internet sites & other elctronic materials about careers C.)Staff members to help you find materials D.)All of these I Put D Am im correct?!

    asked by Quavo #FreeOffset on October 28, 2015
  3. Math

    Rudy drove his car 9,600 miles last year. His total car expenses were $625 for the year. Find the average cost per mile. (Round off your answer to the nearest hundredth)

    asked by Anonymous on December 9, 2013
  4. math

    What is the minimum value of N that will make this statement true: If we pick any N composite numbers from 1 to 1000, then we can find 2 numbers whose greatest common divisor is not 1. Details and assumptions You may use the fact that there are 168 primes

    asked by harsh on February 13, 2013
  5. physics

    one nucleus decays by emitting an alpha aprticle of KE x Mev. if such alpha particle goes directly toward another nucleus of the same atom, what is the distance of closest approach? i don't quite get this question.am i supposed to find r since r=r0A^(1/3)?

    asked by Emma on May 28, 2009
  6. math

    graphing in the coordinate plane unit test 3. which ordered pair is not a solution of y= -12x - 3 a.(-3,33) ***** b.(8,-98) c.(-9,105) d.(3,-39) 4.not posted 5. find the three solutions of the equation y = 7x - 5 a.(3,-26),(-1,-12),(3,16)

    asked by Pug lover on April 24, 2018
  7. maths

    a box is to be made from the piece of cardboard at right, where square corners of side x are to be cut out, and sides folded up, and top enclosed. Find the possible heights x of the sides when the volume of the box is 10, within the interval of length 1

    asked by bob on March 10, 2011
  8. physics

    An object is moving in the x-direction at 1.1m/s when it undergoes an acceleration a⃗ =0.56j^m/s2. Find its velocity vector after 4.8s . Express your answer as a comma-separated pair of components. Express your answer using two significant figures

    asked by Anonymous on January 18, 2015
  9. algebra 1 stat question

    fastest recorded speeds of various large wild cats (miles per hour) 70,50,30,40,35,30,30,40,15. The standard deviation of is 14.01 and the mean is 37.7 I have created a dot plot of the data and now I need to find out within how many standard deviations of

    asked by AR on September 9, 2012
  10. Algebra

    Need help with these-- 21. Find the possible values of a, of the distance between the points is 5, and the coordinates are (1, 1) and (4,a) 22. The Pythagorean Theorem works only for _______ triangles. Right? 25. Three sides of a triangle are 2, 4, and 8.

    asked by mysterychicken on June 21, 2010
  11. math

    side of the cube increasing at rate of 6 cm/s. find the rate of increase of the volume when the length of a side is 9 cm.[ans 1458cm^3/s] my answer: ~729x6=4374cm^3/s i need some1 show me the calculation if im wrong.

    asked by susan on July 22, 2011
  12. trig

    at one point in the day, a tower that is 150 feet high casts a shadow that is 210 feet long. Find, to the nearest tenth of a degree, the angle of elevation of the sun at that point

    asked by ainy on April 28, 2013
  13. Physics

    find the heat flow through the sides of an 25cm tall by 10cm wide of ice water in 46s.The glass is 6.00mm thick; the temperature is inside is 28 celcius, the temperature outside is 50 celcius

    asked by Laura on February 25, 2016
  14. Maths

    if there is a cylindrical ride (radius r) and when it rotates the person feels pinned tot he wall and then the floor drops away. how would i start to find the equation of the angular speed needed to keep the person against the wall????

    asked by Sarah on October 22, 2011
  15. Math

    Janes aquarium holds goldfish, turtles, and snails. there are 16 legs, 10 shells, and 36 eyes. how many creatures of each type are in the aquarium? (Hint: snails have one leg and one shell) Please please help me. I figured out there are 12 pets(I think)

    asked by gaby on December 27, 2009
  16. math

    its a challenge question. For each speed, find how much time it will take the students to reach these cities on their route: 1. Atlantic City, New Jersey, about 320 miles from Norfolk. 2. Baltimore, Maryland, about 3/4 of the way from Norfolk to Atlantic.

    asked by mazia on October 9, 2008
  17. Human Services

    where can I find examples for these questions? How has the way in which nonprofit organizations acquire funding changed over recent years? What implications do you see this having on the organization you have analyzed above? Consider who is giving to

    asked by Mary on September 5, 2012
  18. math

    Compute the following costs of services problems. Hourly rate of labor = $12.00 Duration of job = 3 1/2 hours Overhead rate = 66 2/3% Price of parts = $112.50 Find total cost of job. $

    asked by C on July 1, 2016
  19. math

    An observer in a lighthouse 48.8 m above sea level saw two vessels moving directly towards the lighthouse. He observed that the angles of depression are 42 and 35 degrees. Find the distance between the two vessels, assuming that they are coming from the

    asked by Daniela on February 20, 2017
  20. Pre-algebra

    I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you. (6x+1)(x^2-9x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y)divided 2y (6x^2-25x-10) divided by

    asked by Sherrie on December 10, 2011
  21. physics

    A child sits down on one end of a horizontal seesaw of negligible weight, 1.96 m from the pivot point. No one balances on the other side. Find the instantaneous angular acceleration of the see-saw and the tangential linear acceleration of the child.

    asked by john hide on April 3, 2018
  22. statistics

    an airline has a policy of booking as many as 24 person on an airplane that can seat only 23 (past studies have revealed that only 94 % of booked passengers actually arrive for the flight) find the probability that if the airline booked 24 persons, not

    asked by katelynn on November 15, 2013
  23. math

    Numbers that are palindromes read the same forward and backward. For example, 30203 is a five digit palindrome. If a single number is chosen randomly from the set of all three-digit numbers, find the probability that it will be palindromic. Answer 1/10??

    asked by timmy on April 14, 2015
  24. Math

    A cow is tethered by a 110-ft rope to the inside corner of an L-shaped building, as shown in the figure. Find the area that the cow can graze. (Let a = 10 ft, b = 60 ft, c = 110 ft, d = 70 ft, and e = 60 ft. Round your answer to the nearest whole number.)

    asked by Janet on March 21, 2019
  25. Math

    Family wants to buy van in 2 years, they want to make a down payment of 25% of the estimated purchase price of $29,000. Find the amount they need to invest to make the down payment if funds earn 10% compounded semiannually.

    asked by Vivianne on July 4, 2016
  26. Maths Mechanics

    A plane flies due north at 300km/h but a crosswind blows north-west at 40km/h. Find the resultant velocity of the plane. Once I have drawn I diagram it is often okay, but it is the initial steps that I struggle with.

    asked by Chloe on January 12, 2015
  27. geometry

    Draw the unit circle and a first-quadrant ray from the origin that makes an angle è with the positive x-axis. Let B be the point on this ray whose x-coordinate is 1, and let A = (1, 0). Segment AB is tangent to the circle. In terms of è, find its length.

    asked by yadlay on April 12, 2010
  28. math

    A rectangular slab of concrete is cut from a large block. The slab measures 10.4 inches thick, 1.8 feet long, and 0.0021 miles wide. Find its volume in cubic feet.

    asked by Tyler on September 6, 2012
  29. College Algebra

    Use a system of equations to solve the problem. A rectangular picture frame has a perimeter of 2,200 centimeters and a width that is 300 centimeters less than its length. Find the area of the picture. _____ cm2

    asked by Dee on December 12, 2013
  30. Pre-Cal

    [Note: This one... is super hard for me :( I really need help. please. I only have 2 hours left and I have no idea what I'm doing!! Suppose that cosx= -3/5 and x is in the third quadrant, and that siny= 2/9 and y is in the second quadrant. Find the exact

    asked by Amber on July 12, 2016
  31. Chemistry

    Determine the volume of 0.250 M KOH solution required to neutralize each of the following samples of sulfuric acid. The neutralization reaction is: H2SO4(aq) + 2KOH(aq) = K2SO49aq) + 2H2O(l) Find: 15 mL of 0.250 M H2SO4

    asked by Kelsey G on November 30, 2010
  32. physics

    A team of dogs drags a 112 jk sled 2.23 km over a horizontal surface at a constant speed. The coefficient of friction between the sled and the snow is 0.181. The acceleration of gravity is 9.8 m/s. Find the work done by the dogs

    asked by selena on December 12, 2011
  33. calculus

    Construct a window in the shape of a semi-circle over a rectangle.If the distance around the outside of the window is 12 feet.What dimensions will result in the rectangle having the largest possible area? We need to find Amax I know the circmfrence is 12

    asked by fareha on December 13, 2011
  34. maths-urgently needed

    A man invests Rs 3,20,000 for 2 years at 12.5% p.a. compounded annually. If the income tax at the rate of 20% is deducted at the end of each year, on interest accrued, find the amount he received at the end of 2 years.

    asked by Anonymous on February 10, 2013
  35. physics

    Suppose the charge q2 can be moved left or right along a line connecting charges q1 and q3. Given that q = +15 µC, find the distance from q1 where q2 experiences a net electrostatic force of zero? (The charges q1 and q3 are separated by a fixed distance

    asked by stoic-rider77 on January 13, 2013
  36. Algebra 1

    1. What is the excluded value for the rational expression x^2 - 4/3x - 6? A: ? 2. The trinomial x ^2 - 6x + c is a perfect-square trinomial. What is the value of c? A: 9 3. Find the positive solution of the equation x^2 + 5x - 4 = 0. Round your answer to

    asked by Victoria on June 10, 2014
  37. Physics please help!!

    The mass of a star is 1.49·1031 kg and it performs one rotation in 26.1 days. Find its new period (in /days) if the diameter suddenly shrinks to 0.59 times its present size. Assume a uniform mass distribution before and after.

    asked by Megan on March 14, 2011
  38. Physics

    In figure, the mass m2 = 10 kg slides on a frictionless shelf. The coefficients of static and kinetic friction between m2 and m1 = 5 kg are µs = 0.6 and µk = 0.4. (a) What is the maximum acceleration of m1? (b) What is the maximum value of m3 if m1 moves

    asked by Eric on October 17, 2011
  39. geometry

    You and your friend ordered a 12 cut pizza with a radius of 8 inches. How much cheese is needed to cover one slice of the pizza? Hint: Find the area of one slice. Round your answer to the nearest tenth

    asked by Hannah on May 4, 2013
  40. math

    The stiffness of a given length of beam is proportional to the product of the width and the cube of the depth. Find the shape of the stiffest beam which can be cut from a cylindrical log (of the given length) with cross-sectional diameter of D

    asked by manjeet on April 7, 2018
  41. Algebra, Need help with last part.Thank you

    A single card is selected from an ordinary deck of cards. The sample space is shown in the figure below. Find the probabilities. (Enter the probabilities as fractions.) P (two of hearts0 I got 1/52 correct P ( two)I got 4/52 correct P (heart)I am not sure.

    asked by Mary Ann on May 26, 2014
  42. chem

    a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed. (ans:20.2g) i need the calculation work bcus i got diff. from the ans which is 70.2g.

    asked by lily on July 20, 2011
  43. psychology (information booklet)

    I am required to do an information booklet on Cognitive Development in Childhood by Jean Piaget. What should be put inside this information booklet? Where can I find journals, pictures and other materials regarding this topic on the internet? Your help is

    asked by mic_ on June 29, 2009
  44. physics

    a 65 kg bag is dragged along a 12m ramp in order to get from the ground to the floor of the loading dock 2m above the ground. determine the efficiency of of the ramp. I don't understand how to the find the energy output and input.

    asked by Isabelle on November 23, 2014
  45. math, physics

    A. A rectangular slab of concrete is cut from a large block. The slab measures 10.4 inches thick, 1.8 feet long, and 0.0021 miles wide. Find its volume in cubic feet.

    asked by Steph on September 6, 2012
  46. PHYSICS

    when a mass of 2.5kg string is attached to a spring it stretches 42cm. a) find the constant of the spring 'k' b) how much force is required to stretch the spring 50cm? c) how much energy is stored in the spring when stretched 0.35cm?

    asked by EMMA on August 6, 2014
  47. math

    The mass m(t) remaining after t days from a 70 g sample of thorium-234 is given by the equation shown below. m(t) = 70e-0.0274t Find the half-life of thorium-234. (Round your answer to the nearest tenth.)

    asked by Anonymous on March 13, 2010
  48. geometry

    basis of a right prism is a rhombus with a diagonal 8cm and 6cm.the prism height i is 12cm.find:a)the general area of prism.b)the side of prismsusurface.diagonals cutting surfaces.c)prism volume.

    asked by Anonymous on May 4, 2010
  49. quantum physics

    Can anyone help me to solve this problem? Suppose we have a particle in 1-dimension, with wavefunction Ae^(−|x|2d). What is the probability to find the particle in the interval [0,d]? Please provide your answer in terms of A, d, mathematical

    asked by Judy on October 7, 2013
  50. Differential Equations

    A car is traveling at 70 mph skids 240 ft after it's breaks are suddenly applied. Assuming that the cars breaking system provides a constant deceleration, find that deceleration. How long did it take the car to stop?

    asked by Jenna on June 19, 2011
  51. Physics

    an ambulance starts its motion from rest at a hospital and accelerates at a rate of 1.60 m/s^2 for 14.0 s. after that, it travels at constant speed for 70.0 s, and it the slows down at a rate of 3.5 m/s^2 until it stops (vf=o m/s) at the accident seen.

    asked by 010203 on September 29, 2012
  52. alg 2

    evaluate cot 11 pie/6 to the nearest hundred angle given in radians.. is there a way to put this in calculator. another ? use a calculator and inverse function to find radian measures of the given angle angles whose tangent is 4.21 is that 1.34 the answer?

    asked by jerson on June 9, 2008
  53. Physics

    Two rods of equal length have same temperature differences between their ends. If their thermal conductivities are K1 & K2 & their areas of cross section are A1 &A2 respectively,find the condition that will ensure equal rates of flow of heat through both

    asked by Megha on June 3, 2013
  54. 7th grade math help 2 question

    #11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. * A (2,4) B (-3, -1) C (0,9) D (6,-4) #10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint

    asked by Delilah on November 5, 2012
  55. IWU

    You are considering buying 27 silver coins that look alike, but you have been told that one of the coins is a lightweight counterfeit. Find the least number of weighings on a balance scale that you can use to be certain you have found the counterfeit coin.

    asked by JC on September 24, 2013
  56. Calc I

    I need to find the equations of the tangent and normal line for x^2-y^2=16, at the point (-5,3). I have to show every detail for my work...then use graphing software to enter my equations, so can anyone help me showing all the details of the work so that I

    asked by Kejo, Help!!!! on June 28, 2011
  57. physics

    The magnetic field in a loudspeaker is 0.2 T. The wire consists of 308 turns wound on a 4.12 cm diameter cylindrical form. The resistance of the wire is 8.2 Ω. Find the force exerted on the wire when 15.8 V is placed across the wire. Answer in units of N

    asked by Anonymous on March 3, 2011
  58. Chemistry

    The antifreeze in a car is a 50% by weight solution of ethylene glycol, C2H6O2 in a water solvent. Calculate the boiling point and freezing point of this solution. (For H2O, Kb=0.52 C/m Kf= 1.86 C/m I can't even find the formula for this in my book, please

    asked by Christine on January 24, 2013
  59. physics, HELP ASAP PLEASE!

    a car starts and accelerates uniformly at a rate of 2.0 m / s ^ 2 in 6.0 s. Then, it maintains its constant speed for 30 seconds. Finally, the shrinkage slows down uniformly and stops to 5.0 s. find the total distance traveled by the car.

    asked by sarah on October 13, 2011
  60. Algebraic Connections

    An Archaeologist in Turkey discovers a spear head that contains 80% of its original amount of c-14. Find the age of the spear head to the nearest year. Hint : half-life of c(Carbon)-14 is 5730 years.

    asked by Dakota on March 5, 2019
  61. English Essay- The Great Gatsby

    I am writing a literary essay about The Great Gatsby. My claim is "money cannot buy you happiness" I am working on the Literary device paragraph right now but I can't seem to find a motif/symbol in the story that can prove my claim. Help please!

    asked by Bella on December 6, 2014
  62. statistics

    The true highway mileage, Y, of a specific brand of hybrid vehicle has a normal distribution with a mean of 42 and a standard deviation of 1.5. Find the probability that a randomly selected hybrid vehicle gets more than 38 miles to the gallon.

    asked by lisa on June 17, 2014
  63. Math

    Two investments are made totaling $4800. In the first year they yield a total of $412 in simple interest. Part of the money is invested at 8% and the rest at 9%. Find the amount invested at each interest rate.

    asked by Kate on April 11, 2013
  64. Statistics

    Given the following set of numbers: x=7.1, 1.8, 2.1, 1.5, 2.1. Find the median, mean and standard deviation. State the formulas (or procedure) for these values, plug the numbers into the formula and evaluate the results. Compare the mean and median. Which

    asked by Maryan on November 18, 2010
  65. physics

    A particle executes simple harmonic motion with an amplitude of 10 cm and time period 6 s. At t=0 it is at position x=5 cm going towards positive x direction . Write the equation for the displacement x at time t. Find the magnitude of the acceleration of

    asked by Pronab on November 18, 2010
  66. Trigonometry

    A weight hanging from the end of a spring is pulled 8 inches below its rest position. When released, the weight then exhibits simple harmonic motion, with period 1/2 second. Find an equation describing its motion

    asked by Liv on October 1, 2016
  67. Physics

    A box of books weighing 328N moves with a constant velocity across the floor when it is paged with a force of 385N exerted downward at an angle of 25.3 below the horizontal. Find muK between the box and the floor

    asked by Andy on November 6, 2012
  68. physics please help

    A 8.6 kg board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 186 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.

    asked by tim on November 16, 2010
  69. physics

    Three charges are arranged in a line. From left to right, the charges are: Q1= -8mC, Q2 = +3mC and Q3 = -4mC. The distance between Q1 and Q2 is 0.3 m, and the distance between Q2 and Q3 is 0.2 m. Calculate the net electrostatic force on Q3. how can you

    asked by seb on January 3, 2011
  70. calculous

    An airplane flies at an altitude of 2 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 30°, θ = 60°, and θ =

    asked by Anonymous on September 24, 2013
  71. Math

    Triangle ABC has

    asked by Anonymous on March 4, 2019
  72. Precalc/Trig

    wave is modeled by the function ... h(t) = 3cos(p/10)*t What is the period of the wave (T) *frequency (F) is defined as the number of cycles of the motion per second. What is the relationship between F and T? Find the wave height (H) which is the vertical

    asked by George on September 26, 2012
  73. Biology<3

    im studying for a biology test that's tommorow. Can somebody help me? i cant find the answer to this anywhere. An Example of a Dominant Trait? a-cystic fibrosis b-white pea flowers c-purple pea flowers d-sickle-cell anemia

    asked by I Love Von!(:- Aw on December 10, 2007
  74. math

    We did not find results for: High temperatures in a certain city for the month of August follow a uniform distribution over the interval 69*F to 87*F. what is the probability that a randomly selected August day has a high temperature that exceeded 74*F?.

    asked by Latesha on June 7, 2013
  75. calculous

    An airplane flies at an altitude of 2 miles toward a point directly over an observer (see figure). The speed of the plane is 600 miles per hour. Find the rates at which the angle of elevation θ is changing when the angle is θ = 30°, θ = 60°, and θ =

    asked by Anonymous on September 24, 2013
  76. Math

    If a ball is thrown straight up into the air with an initial velocity of 95 ft/s, it height in feet after t second is given by y=95t–16t2. Find the average velocity for the time period beginning when t=2 and lasting i) 0.1 seconds ii) 0.01 seconds

    asked by Jennifer on October 15, 2010
  77. Science

    Does anyone know anything about respiration?? Cause I have to do this chart thing and it says: Respiration uses glucose and oxygen to produce carbon dioxide and water and water is used to carry out all _________. I don't know what the blank is I have read

    asked by Kelsie on November 5, 2008
  78. Algebra

    You have 400 feet of fencing to enclose a rectangular plot. Find the length and width of the plot that will maximize the area. What is the largest area that can be enclosed? I'm not sure how to start. We haven't learned this yet in class.

    asked by Taylor on January 12, 2016
  79. pre-calculus

    Currently in school we're learning about proving identities and for extra credit I got this problem. cosB= -8/17 in quad II and I have to find sin 7B. I have gotten this far: sin7B= sin(3B+4B) sin3Bcos4B+sin4Bcos3B my problem I can't figure out how to

    asked by Luis on May 13, 2012
  80. Physics

    Two Rods of equal length have same temperature difference between their ends. If their thermal conductivities are K1 and K2 and their areas of cross section are A1 and A2 respectively, Find the condition that will ensure equal rates of flow of heat through

    asked by Sykox on December 2, 2013
  81. Modern World History

    where can i find a glossry of key people on here? Key people like Pericles, Plato, Socrates, Locke, and Michelangelo. Brief description of what they did and their accomplishmnents? Your best source is an encyclopedia like Wikipedia or Encarta. You can also

    asked by Bryan on January 8, 2007
  82. Maths

    £2000 is invested at x% interest over three years. At the end of three years the money has grown to £2963. To the nearest percentage find the rate of interest. If you could help me out I would greatly appreciate it. I've tried to figure it out numerous

    asked by Steph on February 3, 2014
  83. charley

    tinyurl--qwxgbv (The qwxgbv is after the slash) The proton moves through a magnetic field of magnitude 3x10^-5 T with a velocity of 4x10^5 m/s. Find the radius of the circular path the proton follows and indicate its direction of rotation.

    asked by physics on May 27, 2009
  84. algebra

    Problem Page The volume V of a fixed amount of a gas varies directly as the temperature T and inversely as the pressure P. Suppose that V=42 cm to the 3,when T=84 kelvin and P= 8kg over cm squared. Find the temperature when V=74 cm cubed and P= 10 kg over

    asked by rebecca on March 14, 2017
  85. physics

    In an outdoor game a small bag of rice is thrown from near the ground with a velocity of 3.50 m/s at an angle of 30.00 above the horizontal. Find out how long the bag will be in the air before it lands at the same height from which it was thrown and how

    asked by jeremy on February 22, 2018
  86. Pre-algebra

    I have some practice problems, and I need to have them worked out, showing your work. I will gain a better understanding of these problems by practicing them. Thank you. (6x+1)(x^2-9x+5) (2x^4+3)(4x^3+2) (12y^3+8y^2+20y)divided 2y (6x^2-25x-10) divided by

    asked by Sherrie on December 10, 2011
  87. CONTROL SYSTEM

    HELP,PLS HELP..I NEED ANSWER FOR ECEN 4413 AUTOMATIC CONTROL SYSTEMS SPRING 2005 MIDTERM EXAM..I CANNOT FIND ANSWERS IN THE INTERNET.PLS HELP IF YOU KNOW WHERE TO DOWNLOAD THE SOLUTION MANUAL..OR YOU KNOW THE ANSWER!!THANK YOU

    asked by HEEELLLLPP! on October 5, 2013
  88. geometry

    not sure if youll understand but ill try and explain the picture is a trapezoid i believe b1 is 7cm, and do not have the height but the numbers on the long side is 8cm and the side of b2 is 4cm this part of the pic looks like a right triangle am not able

    asked by kevin on March 31, 2012
  89. chemistry

    The Ka values of maleic acid, HOOCCHCHCOOH, are shown below. Ka1 1.5 10-2 Ka2 2.6 10-7 A 50.0 mL sample of 0.11 M of maleic acid is titrated with 0.14 M NaOH. Calculate the pH at the following points in the titration curve. find the first and second eq

    asked by Amy on March 8, 2009
  90. Calculus

    Consider a rectangle cardboard box without top and bottom. The diagonal of the box has length 1. Use lagrange multipliers to find the maximum surface area of the paper used to make this box. What are the dimensions of this optimal box?

    asked by ally on March 29, 2019
  91. statistics

    The GPAs of all students enrolled at a large university have an approximately normal distribution with a mean of 3.02 and a standard deviation of .29. Find the probability that the mean GPA of a random sample of 20 students selected from this university is

    asked by lol on April 16, 2013
  92. algebra II

    Thank you for your prompt response. I have my homework I have to turn in in about 2 hours, but i am struggling to solve this question. Is there any way you can just give me the answer while I find a website that can show me step by step how to solve these

    asked by esther on February 26, 2011
  93. pre cal

    Find the exact values for the lengths of the labeled segments a, b and p drawn in green, red, and blue, respectively. Note that r=9 is the radius of the circle, and s=8 is the arc length from the point (9,0) around the circle to the indicated point. *i

    asked by tor on August 1, 2016
  94. phsyics

    A 8.0×10−2-{\rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.30 m/s in a horizontal circle of radius 0.41 m, Find the angle the string makes with the vertical.

    asked by Lisa on December 16, 2010
  95. Math...again

    A quality control inspector found flaws in 13 out of 150 sweaters. Find the probabillity that a sweater has a flaw. Round to nearest tenth of a % But what if the company produces 500 sweaters, how many will NOT have flaws

    asked by Marco on May 14, 2008
  96. Physics

    a diver of weight 600N stands at the end of a uniform 4.48m diving board of weight 150 N. The board is attatched to two pdestals 1.55m apart. Find the tension or compression in each of the pedestals.

    asked by Anonymous on November 1, 2015
  97. Business Math

    Ignacio obtains a loan of $9,500, at 8.75% interest, for months. Find the amount of simple interest. (Round to the nearest cent) $598.78 $658.07 $701.36 $825.55 The answer I got was $658.07, is that right?

    asked by Tee on July 6, 2013
  98. centennial college

    A child is pushing a 1.7 m wide door by applying a torque of 43 Nm counterclockwise. Find the tangential force applied by the child to the door. Express your answer as a whole number (no decimals) and add the appropriate unit.

    asked by inderjeeet on December 1, 2015
  99. Chemistry

    10.0 g of an unknown acid is titrated to the equivalent point using 65.0 ml of 0.150M KCH. Assuming the acid is monoprotic ( like HCL or HF ) , what is the molecular mass of the acid? Is it possible to find the mols of the acid? (Balanced equation &

    asked by Gage on June 6, 2014
  100. physics help

    A 8.6 kg board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 186 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.

    asked by jason on November 15, 2010

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