1. Physics

    A train is traveling south at 23.5 m/s when the brakes are applied. It slows down with a constant rate to a speed of 5.01 m/s in a time of 8.73 s. How far does the train travel during the 8.73 s? I have already found -Acceleration during braking: -2.12m/s

    asked by Ethan on September 17, 2015
  2. physics

    A block of mass m = 3.60 kg is pushed a distance d = 2.60 m along a frictionless, horizontal table by a constant applied force of magnitude F = 11.0 N directed at an angle è = 28.0° below the horizontal as shown in the figure below.

    asked by Anonymous on September 27, 2014
  3. economics

    all of the following can be used to compute profit per unit except: a) price minus avg total cost. b) total profit divided by quantity. c) avg revenue minus avg total cost d) marginal profit minus marginal cost

    asked by Dave on October 6, 2009
  4. algebra

    Part B. Each auditorium has both floor seats and balcony seats. Auditorium A has 250 floor seats and 310 balcony seats and Auditorium B has 195 floor seats and 410 balcony seats. Let f represent the cost of a floor seat and b represent the cost of a

    asked by lost need help please on March 10, 2010
  5. ALGEBRA

    Part B. Each auditorium has both floor seats and balcony seats. Auditorium A has 250 floor seats and 310 balcony seats and Auditorium B has 195 floor seats and 410 balcony seats. Let f represent the cost of a floor seat and b represent the cost of a

    asked by SAMANTHA on March 10, 2010
  6. chemistry

    find (i) the total no. of neutrons and (ii) the total mass of neutrons in 7mg o^14C. (assume that the mass of a neutron = mass of a hydrogen atom)

    asked by shish on June 17, 2014
  7. Math 8R - Help!

    Sara went to the park and saw that there were a total of 15 bicycles and tricycles. If the total number of wheels was 39, how many tricycles were there? bi = 2 wheels tri = 3 wheels Please help me, I'm really struggling with this problem

    asked by Laruen on September 9, 2012
  8. Mathematics

    A man walked for some distance at 8 km/h, and for an equal distance at 5 km/h. The total time he took was 13/4 hours. Find the total distance he walked. Explain your workings

    asked by Ruby on November 5, 2011
  9. maths

    At an election, a candidate secures 40% of the total votes but is defeated by the only other candidate by 300 votes .find out the total number of votes polled.

    asked by raj on February 4, 2016
  10. Math 8R - Help!

    Sara went to the park and saw that there were a total of 15 bicycles and tricycles. If the total number of wheels was 39, how many tricycles were there? bi = 2 wheels tri = 3 wheels Please help me, I'm really struggling with this problem

    asked by Laruen on September 9, 2012
  11. Physics 131

    A -2.72 ìC charge is placed at the center of a conducting spherical shell, and a total charge of +6.35 ìC is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.

    asked by RB on February 2, 2015
  12. algebra

    the cinema sold 600 tickets total. adults tickets were $15 and childrens tickets were $8. they made a total of $7740. how much of each ticket were sold?

    asked by lucy on September 23, 2014
  13. ch 2

    Westan Corporation uses a predetermined overhead rate of $23.20 per direct labor-hour. This predetermined rate was based on a cost formula that estimated $278,400 of total manufacturing overhead for an estimated activity level of 12,000 direct labor-hours.

    asked by Anonymous on February 26, 2015
  14. Introduction to Computers

    Tell Bill how to do the following tasks: What formula or function does he put in Column F that will show the total expenses for each day? What formula or function does he put in columns B through F in Row 13 that will give him the total expenses for the

    asked by dandy26 on June 20, 2016
  15. Health

    At allendale psychiatric hospital, the hospital census on january 4 is 110. according to the following data, whats the hospital census for january 5? admissions - 10 discharges - 2 a & d - 1 A. 99 B. 100 C. 108 D. 118 i am thinking that the answer is C but

    asked by Anonymous on November 3, 2008
  16. General Chemistry

    Answer Check Please... A compund contains only hydrogen and nitrogen and is 12.6% hydrogen by mass. A gaseous sample of the compound has desity of 0.925g/L at 690 torr and 110 degrees Celsius. What is the molecular formula of the compound? My Empirical

    asked by Kathy on September 5, 2011
  17. English

    Thank you very much. I still have a few more sentences to check. 1)I hate doing shopping (“the shopping”?) and eating Chinese food. I attended the primary and middle schools in Italy. I’ve got a pimply face with a pimply nose and a normal mouth. 2)

    asked by Henry2 on September 20, 2011
  18. nutrition

    Which statement is correct: a) The total grams of fat in the American diet has stayed relatively constant over the past 40 years. b) The total grams of fat in the American diet has decreased over the past 40 years. c) The total grams of fat in the American

    asked by khalilah on July 20, 2015
  19. Physics

    A loud speaker of mass 24.0 kg is suspended a distance of h = 2.00 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of 3.50 m. What is the tension in each of the cables?

    asked by Anne on March 26, 2012
  20. math

    A picture on the wall in Jeremy's classroom has 4 right angles, 4 sides of equal length, and 2 pairs of opposite sides that are parallel. What quadrilateral best describes the picture?

    asked by Melody Dickson on April 24, 2015
  21. Trigonometry with right triangles

    Given the value of cos 25° ≈ 0.9063, enter the sine of a complementary angle. Use an expression relating trigonometric ratios of complementary angles. cos 25° =___ ° ≈ ____

    asked by Sosa on January 25, 2017
  22. calculus

    A box weighing 450 N is hanging from two chains attached to an overhead beam at angles of 70 degrees and 78 degrees to the horizontal. Determine the tensions in the chains.

    asked by Sam on February 14, 2010
  23. Geometry

    if the measure of two pairs of supplementary angles are added together, then the sum will equal 360 degree. true or false? then write the converse and is it true or false?

    asked by Skylar on October 8, 2010
  24. Geometry

    An Isosceles triangle has a 96degree angle. What are the measures of the other 2 angles? Do all triangles have to add up to 180degrees? If so, than this isn't possible because an isosceles triangle has 2 sides the same length. Correct?

    asked by Tyler on November 28, 2007
  25. Trigonometry (Math)

    From the top of a building 70 ft. high, two objects in a straight line from the building are observed at angles of depression of 28° and 41°6' respectively. Find the distance between the two objects. -Complete Solution please. :'(

    asked by Alianne on February 7, 2012
  26. Pre-Cal

    evaluate the trigonometric functions by memory or by constructing appropriate triangles for the given special angles. a) csc 30 degrees b) sin pi/4 = sqrt2 / 2 I just do not know how to find csc 30 degrees.

    asked by Abbey on March 23, 2010
  27. Math

    A piece of wire is bent into the shape of an isosceles triangle. The base angles are each 48 degree and the perpendicular height to the base is 6 cm. Calculate the length of the wire.

    asked by Ku on February 20, 2018
  28. Basic Math Help Please?

    find the next two positive and negative angles coterminal with the quadrantal angle. 90 degrees. I am really confused, what would the two positive and two least negative numbers be? i know it you add or subtract 360.

    asked by jaret on August 29, 2011
  29. plane and spherical trigometry

    tower has 57 feet high two objects in a straight line from it are sighted at a angles of a depression of 27 degree and 40 degree 5 minute respectively. find the distance between two objects

    asked by rexter on November 18, 2014
  30. Pre-Calculus

    Find the area of the triangle. Round to the nearest tenth. B= 42.8° a= 12.7 c= 5.8 I found b by using the Pythagorean theorem and got b= 11.298 but I don't know what to do next after this. I would find the altitude but I don't know angles A and C?

    asked by Vincent on November 29, 2009
  31. Physics

    A particle, travelling at 5.2x10^3 ms, with a charge of 1.6uC, is moving up the page. It is at right angles to a magnetic field of 6.4 T in the direction of right. What is the magnitude and direction of the force on the particle?

    asked by Simmo on May 19, 2017
  32. Math

    One of two complementary angles has a measure that is five times that of the other. Which equation could be used to find x, the degree measure of the smaller angle? A) 5x=90 B) x+5x=90 C) 5x=180 D) x=5x=180 I chose A but I wasn't sure if I was correct.

    asked by Nicole on November 12, 2013
  33. Social Studies

    If you live live in St. Louis. You have a computer made by the company near Los Angles. You want to give them a call about the problem you are having. They go to work at 9:00 am. What is the earliest time to call them?

    asked by Salma on August 15, 2018
  34. Calc

    Use a graph to estimate the limit: lim θ->0 (sin(5θ)/θ) Note: θ is measured in radians. All angles will be in radians in this class unless otherwise specified. I tried graphing it on my calculator but the limit I got is incorrect.

    asked by Josie on January 25, 2011
  35. 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 lost 10% .her total profit 5500, how much did she pay for each piece of land? (Please show the whole procedure of this math with the rough

    asked by Urgent !!! on October 19, 2013
  36. Math

    The vase company designs a new vase that is shaped like a cylinder on bottom and a cone on top. The catalog states that the width is 12 cm and the total height is 42 cm. What would the height of the cylinder part have to be in order for the total volume to

    asked by Gabi on July 9, 2012
  37. Math OPTIMIZATION

    A home gardener plans to enclose two rectangular gardens with fencing. The dimensions of the garden: x by 12-x, y by 12-x-y a. Find the values of x and y that maximize the total area enclosed. b. What is the maximum total area enclosed? c. How many meters

    asked by Willoby on September 3, 2011
  38. MATH

    JESSI 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 lost 10% .her total profit was 5500, how much did she pay for each piece of land? ( please show the whole procedure of this math even

    asked by NEED HELP NEED HELP !!!!! on October 19, 2013
  39. physics

    Refer to the equation you derived in exercise (4). Assume that 1 y = 0.30m and 2 y = 0.10 m. What is the initial total mechanical energy if the pendulum is released from rest? What is the speed of the pendulum bob at the lowest point if the total

    asked by joy on August 22, 2010
  40. science

    The sailboat in Question #1 returns to port in a straight line from its current position. The captain would like to know the total distance traveled (refer to distances in question #1). 1. What was the total distance traveled? 2. What was the final

    asked by please help(: on October 22, 2009
  41. accounting

    OBX Mufflers accepted a five-month, 7.5% interest, $2,400 note from ABD Motors on June 1, 2008. The entire balance is payable at the note's maturity. What will be the total payment on October 31, 2008? Total payment= $

    asked by Joyce on November 15, 2010
  42. Algebra 2

    A commercial freight carrier is flying at a constant speed of 400 mi/h and is traveling 4 miles east for every 3 miles north. A private plane is observed to be 210 miles east of the commercial carrier, traveling 12 miles north for every 5 miles west. a. If

    asked by newt on September 28, 2009
  43. Calculus

    A wealthy patron of a small private college wishes to endow a chair in mathematics with a gift of G thousand dollars. Suppose the mathematician who occupies the chair is to receive $110 thousand dollars per year in salary and benefits. If money costs 8%

    asked by C on February 14, 2015
  44. science

    How much work is needed to raise a 110-kg load of bricks 12m above the ground to a building under construction? According to the law of conservation of energy, the work required equals the change in potential emergy. To get the increase in potential

    asked by tasha on February 19, 2007
  45. Math

    Monday-$88 4 players Tuesday-$154 7 players Wednesday-$132 6 players Thursday-$66 3 players Friday-$ ? 2 players 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 players? B-use

    asked by Emma on February 17, 2017
  46. Math

    Monday-$88 4 players Tuesday-$154 7 players Wednesday-$132 6 players Thursday-$66 3 players Friday-$ ? 2 players 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 players? B-use

    asked by Emma on February 17, 2017
  47. Algebra

    110 student went to the lake for a boat ride. there were 8 both (each would safely hold the same number of student), and all but 14 students could go for a ride. those remaining 14 students had to wait until first students finished their ride before they

    asked by Q on September 22, 2016
  48. math

    A clown weighs 60lb more than a trapeze artists. The trapeze artist weighs two thirds as much as the clown. How much does each weigh? Choices for the weight of the trapeze artist: 110,120,125

    asked by sherrod on August 28, 2013
  49. Physics

    A 110 g hockey puck sent sliding over ice is stopped in 14.9 m by the frictional force on it from the ice. (a) If its initial speed is 7.8 m/s, what is the magnitude of the frictional force? (b) What is the coefficient of friction between the puck and the

    asked by Ted on October 24, 2011
  50. science

    A 4.0 kg box is raised from rest a distance of 6.0 m by a vertical force of 110 N. (a) Find the work done by the force. (b) Find the work done by gravity. (c) Find the final kinetic energy of the box.

    asked by ali on October 11, 2010
  51. Physics

    A 2.00 cm x 2.00 cm square loop of wire with resistance 1.30×10^−2 Ohms is parallel to a long straight wire. The near edge of the loop is 1.00 cm from the wire. The current in the wire is increasing at the rate of 110 A/s. What is the current in the

    asked by Manda on April 13, 2008
  52. Math

    A person who is 5 feet tall is standing at 110 feet from the base of the tree and the tree cast a shadow of 120 feet the person shadows 10 feet in length was the height of the tree?

    asked by Anonymous on April 29, 2015
  53. Trig

    When two bubbles cling together in midair their common surface is part of a sphere whose center D lies on the line passing through the centers of the bubble. Also, angles ACB and ACD are 60 degrees. Show that the radius r of the common face is given by

    asked by blondie on February 29, 2012
  54. physics

    A pin 2 cm long is placed 12 cm away from a convex lens at right angles to the principal axis. If the focal length of the lens is 20 cm, by scale drawing and lens formula find the nature , size and position of image.

    asked by Suyash on May 31, 2017
  55. TRIG.

    From a point 50 feet in front of a church, the angles of elevation to the base of the steeple and the top of the steeple are 35° and 47° 20', respectively. Find the height of the steeple. I missed class this day and have no idea how to go about this

    asked by Daisy on October 16, 2012
  56. Geometry

    I am to find "d" (the hypotenuse)in the simplest radical form of a right triangle. The two angles are 30 degrees on top and the on the bottom is 60 degrees. Of course the opposite side to the left of 60 is 90 degrees. My options are: A) 8sqrt3 B) 4 C)

    asked by bart on June 16, 2010
  57. 12th grade Economics

    The chapter states that the elderly population in the U.S. is growing more rapidly than the total population. In particular, the number of the total workers is rising slowly, while the number of retirees is rising quickly. Concerned about the future of

    asked by Emily on October 12, 2009
  58. Just Help- Algebra

    What is the Sum of the interior angles for a pentagon? 900 degrees 540 degrees 720 degrees 108 degrees

    asked by lele on February 2, 2018
  59. physics

    A car travel a distance of 8 km frome P to Q then moves 6 km at right angles to PQ .Find its travel distance and displacement Solution

    asked by ajay yadav on June 27, 2018
  60. Math - Quadrilaterals

    A quadrilateral has interior angles with degree measures of 63, 4s, 5s and 2s. What is the angle measure, in degrees, of the largest angle of the quadrilateral?

    asked by Venus on September 10, 2013
  61. physics

    Vector C has a magnitude 25.8 m and is in the direction of the negative y axis. Vectors A and B are at angles α = 41.9° and β = 27.2° up from the x axis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?

    asked by helpp on June 1, 2013
  62. advanced functions

    Angles x and y are located in the first quadrant such that sinx=3/5 and cosy=5/13. a) Determine an exact value for cosx. b) Determine an exact value for siny.

    asked by Anonymous on November 1, 2009
  63. math

    In an Isosceles triangle, one angle is 16 degrees more than twice the measure of one of the equal angles. Find the measure od eah angle.

    asked by Valery on April 11, 2011
  64. Math

    Jamie has a pentagon that she thinks has two pairs of congruent angles and two pairs of congruent sides. How can she check this without using any tools?

    asked by Mia on March 19, 2012
  65. Algebra, HELP! PLEASE!

    In triangle ABC, angle B is four times as large as angle A. The measure of angle C is 12∘ more than that of angle A. Find the measures of the angles.

    asked by Kate on September 7, 2013
  66. Math

    A triangle with two congruent sides and two angles that both mesuare 45 is a. scalence and right b. isosceles and acute c. isosceles and right d.equilateral and acute

    asked by Leah on December 6, 2010
  67. geometry

    WHAT IS THE BASE LENGTH OF AN ISOSCELES TRIANGLE IF YOU KNOW THE EQUAL SIDES HAVE A VALUE OF 5 AND THE ANGLE BETWEEN THEM IS 45 DEGREES AND THE BASE ANGLES ARE 67.5 DEGREES?

    asked by Anonymous on November 3, 2010
  68. Geometry

    the number of sides in 2 regular polygons is in the ratio 5:4 an the difference between their angles is 9^o. Find the number of sides in the polygon

    asked by HELP!!! URGENT on December 2, 2011
  69. math

    Angles x and y are located in the first quadrant such that sinx=3/5 and cosy=5/13. a) Determine an exact value for cosx b) Determine an exact value for siny

    asked by Anonymous on November 1, 2009
  70. Geometry

    the number of sides in 2 regular polygons is in the ratio 5:4 an the difference between their angles is 9^o. Find the number of sides in the polygon

    asked by HELP!!! URGENT on December 2, 2011
  71. Physics

    Vector C has a magnitude 25.8 m and is in the direction of the negative y-axis. Vectors A and B are at angles α = 41.9° and β = 25.2° up from the x-axis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?

    asked by Mark on June 2, 2015
  72. Physics

    The maximum and minimum magnitudes of the resultant of two given vectors are 17N and 7N respectively. If two vectors are at right angles to each other, then find the magnitude of their resultant?

    asked by ABC on June 15, 2017
  73. analytical geometry

    if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles

    asked by manjula on January 15, 2013
  74. Angles,Lines and Triangles

    The sum of two angles of a triangle is 116 degree and their differences is 24 degree.Find the measure of each angle of the triangle.

    asked by Harsh on June 17, 2014
  75. geometry

    DEF and ABC are complementary angles and ABC is nine times as large as DEF. Determine the measure of each angle.

    asked by angela on June 27, 2012
  76. math

    The measures of the three angles of a triangle are given. Find the value of x and state whether the triangle is acute, obtuse, or right. x + 10, x − 20, x + 25 I got x is 55 and it is an acute angle. Is that correct?

    asked by Danny on October 11, 2016
  77. math

    The measure of the supplement of an angle is 20 degrees more than three times the measure of the original angle. Find the measures of the angles.

    asked by Bianca on August 28, 2010
  78. Geometry

    What are the applications of undefined terms and angles in the game of basketball? Give four (4) specific applications and give your justifications.

    asked by Annabeth on August 20, 2014
  79. math

    A right triangle has a hypotenuse of length 3.00 m, and one of its angles is 30.0°. What are the lengths of (a) the side opposite the 30.0° angle and (b) the side adjacent to the 30.0° angle?

    asked by steven on July 20, 2009
  80. Trig

    Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees

    asked by Anonymous on June 4, 2014
  81. Geometry

    Suppose that a given quadrilateral is a kite with no right angles. Which of the following is possible? a. the quadrilateral is a trapezoid b. the quadrilateral has congruent diagonals c. the quadrilateral is a rhombus d. none of the above I think it is b.

    asked by Rmz on January 28, 2010
  82. Math

    Jamie has a pentagon that she thinks has two pairs of congruent angles and two pairs of congruent sides. How can she check this without using any tools?

    asked by Mia on March 19, 2012
  83. maths

    The four angles of a pentagon is 40 degrees ,75 degrees ,125 degrees and 135 degrees .the measure of the fifth angle is ? give the solution how its came

    asked by poojitha on August 29, 2015
  84. Geomatry

    In triangle ABC, angle Bis five less than twice angle A and angle Cis sixty less than angle B. What is the measurment of all of the triangles angles?

    asked by Angelique on November 10, 2011
  85. physics

    Vector C has a magnitude 25.8 m and is in the direction of the negative y axis. Vectors A and B are at angles α = 41.9° and β = 27.2° up from the x axis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?

    asked by helpp on June 1, 2013
  86. Math-Trigonometry

    The angles of elevation to the top of a mountain are measured from beacons A(22°) and B(40°) at sea. If the beacons are 125m apart, how high is the mountain?

    asked by Lucifer Mato on August 26, 2015
  87. math

    the sum of measures of the angles in a nonagon is A)1260 degree B)1160 degree C)1060 degree D)960 degree

    asked by makeeda on January 14, 2010
  88. MATH

    A triangle with two congruent sides and two angles that both measure 45 is a.scalene and right b.isosceles and acute c.isosceles and right d. Equilateral and acute

    asked by Please Help! on December 6, 2010
  89. pre algebra

    the measures of the angles of (triangle) RST are in the ratio 2:3:5. find the measures of each, and classify the triangle as acute, right, obtuse.

    asked by lavena on June 17, 2010
  90. Physics

    Vector C has a magnitude 25.8 m and is in the direction of the negative y axis. Vectors A and B are at angles á = 41.9° and â = 26.7° up from the x axis respectively. If the vector sum A B C = 0, what are the magnitudes of A and B?

    asked by Greg on September 4, 2013
  91. geomentry

    finding the angles of triangles What triangles?

    asked by jason on March 30, 2007
  92. Math

    If a famlies total living expenses are 63,000 a year. After the death of the insured, the total family income would be 55,000. How much life insurance is required to cover the dependents icome shortfall, if prevailing interest rate 4%. I am not sure that

    asked by Debbie on November 9, 2008
  93. Math

    A particle moves in a straight line with velocity t^(-2)-(1/16) ft/s. Find the total displacement and total distance traveled over the time interval [2,5 ok i got the displacement is .1125 ft however i can not find the distance! help!

    asked by Anonymous on November 18, 2007
  94. math

    Katie had a pack of twenty four cards numbered 1- 24. She arranged the cards into 6 piles. No more than 2 piles had the same number of cards the numbers on the cards in each pile added to the same total. What was the total and how could this be solved

    asked by Tricia on October 2, 2012
  95. algebra word prob 1

    i need to write an expression that would help find the total cost of fifty $6.00 movie tickets and eight $12 play tickets. THen find the total cost. i wrote: ($50.00 x 6) + ($8x12) = 300 + 96 =$396 is that right?

    asked by Marko on October 6, 2011
  96. math

    During a triathlon, Sharon swims 1/4 of the total route and cycles 3/5 of the remaining route. She runs the rest of the route. If she runs 3,600 meters, find the total distance if the route

    asked by K on January 14, 2016
  97. Physics-motion

    A car accelerates uniformly from rest at a. After a certain time, its acceleration becomes -a. It continues to travel and stops finally. If the total displacement of the car is L, what is the total time of travel? The answer is (4L/a)^(1/2). But why??

    asked by Anonymous on March 8, 2014
  98. economics

    Suppose average movie attendance is 250 million tickets when prices are $7 a ticket and 200 million when prices are $9 a ticket. Other things being equal, the data imply that the elasticity of demand for movie tickets is: A. elastic, so the increase in

    asked by ALRL on April 11, 2013
  99. geometry

    Can you prove ABCD is a parallelogram based on the given information? Explain. Given: x = 5, y = 4 Prove: ABCD is a parallelogram. A. The figure is a square. To be a parallelogram, it would have to have pairs of opposite congruent sides, not just congruent

    asked by Kate on March 6, 2011
  100. Accounting

    The question is: Compute the recent two years’ cash flow on total assets ratios for this company. This is the info given: Operating cash flow for current year (in millions): $1,762 1 year prior - $1,740 2 years prior - $1,981 Total Assets for current

    asked by Nancy on January 29, 2010