1. AP Physics

    Hi! Thank you very much-- I know this is a 2dimensional inelastic collision but i'm not sure how to solve-- "The mass of a blue block is 20% greater than the mass of the green block. Before colliding, the blocks approach each ther with momenta of equal
  2. CAL

    Hi, im lost in theses three problems. Please help. Thank you so much!!! 1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = 3 squareroot all 1 + 5x (g(x), f(u)) = ??????? Find the
  3. Physics

    Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find
  4. Physics

    Two blocks of masses m1 = 4.4 kg and m2 = 4.8 kg are connected by a string as shown in the figure above. Block 1 moves at a constant velocity down the incline 30 degrees) block two is not at incline it is straight. they are attached with a string. a) Find
  5. business

    You find that a small business loan in the amount of 50,000 is the amount you need to purchase the restaurant location. After researching banks to find the best interest rate, you find that banks for small businesses offer the best interest rate of 9%
  6. physics

    In an experiment to find the speed of 2.4g bullet, it was fired into a 650g block of wood at rest on a friction free surface. If the block(and bullet) moved off with an initial speed of 96cm s-1, what was the speed of the bullet? plz help the teacher gave
  7. Statistics

    Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 68 percent of SOC 390 students work between ______ and ______ hours per week.
  8. physic

    Find the acceleration of the block of mass M = 5.06 kg in the figure below. (Take m = 4.24 kg.)
  9. Pysics

    Find the acceleration of the block of mass M = 5.26 kg in the figure below. (Take m = 4.06 kg.)
  10. dynamics

    a mass m= 10kg is hanging from the end of a spring. intially the spring is unstretched when the mass is pushed perfectly downward with an initial velocity of 1 m/s. the spring constant is k=400n/m and the acceleration of gravity is g=9.81m/s^2. find the
  11. math

    1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14,
  12. Math

    1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14,
  13. Math

    1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14,
  14. Math

    Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself $900 every month for the next 25 years? math - Reiny, Friday, April 3, 2015 at 3:05pm Present Value
  15. Physics

    A 1kg block of wood is moving with a velocity of 10 m/s on top of a table. The coefficient of kinetic friction between the block of wood and the table is 0.1. The block of wood is a cube with sides of 12 cm. How far does the block move before coming to a
  16. physics

    A 1kg block of wood is moving with a velocity of 10 m/s on top of a table. The coefficient of kinetic friction between the block of wood and the table is 0.1. The block of wood is a cube with sides of 12 cm. How far does the block move before coming to a
  17. Algebra ll

    Help me please The table shows the distance and costs of flights for a given airline with the same starting destination and different ending destinations. Distance (miles) 1281 2796 790 150 3211 7810 812 210 7742 3578 1346 3214 Cost (dollars) 473 683 508
  18. Algebra 1

    A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows: First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9, 2, 4, 3, 0
  19. algebra 1

    A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows: First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9, 2, 4, 3, 0
  20. geometry

    the measure of angle 1 is 15 less than twice the measure of angle 2. find the measure of angle 2
  21. geometry

    Find the measure of Angle 6. measure of angle 7 = 2x+15 measure of angle 8 = 3x
  22. college maths

    In amusement park considering adding some new attractions,conducted a study over several typical days and found that ,of 10,000 families entering the park ,1024 brought just one child (define as younger than age 12),3370 brought two children ,3510 brought
  23. Math

    In Example 2, find the percent of the total and the number of degrees in each sector for mountains, theme parks, relatives, and other. Find the median of the data set in Example 3. In which category does it fall? Find the average unemployment rate for
  24. Math

    I need to find the value of x. 5(x-4) = 3(x+8) Trying to help my niece and haven't done this stuff for 20 years. :) 5(x-4) = 3(x+8) 5x - 20 = 3x + 24 5x - 3x = 20 + 24 2x = 44 x = 22 I hope this brings back the algebra you studied 20 years ago. :-) By the
  25. Geometry

    Triangle RSU has two of its points(R and S) on the sides of a circle. Line SU forms a secant ray that passes through the diameter of the circle. Angle S is 30 degrees, the measure of arc RS is 84 degrees, and RU is tangent to the circle at R. Find the
  26. English

    I need your help to rephrase the description of Friday in Defoe's Robinson Crusoe. I really hope you can help me! 1) First I let you have a look at the sentences I need to rephrase: " a comely handsome fellow, perfectly well made, with straight strong
  27. Algebra 8th

    Find the greatest possible error for each measurement. 953 mi 0.5 mi Find the greatest possible error for each measurement. 1 3/4 c not-- 1/4 c Find the greatest possible error for each measurement. 12.3 L 0.05L Find the greatest possible error for each
  28. Algebra 1b

    Task 1—Shipping a gift. You have selected a special gift for a cousin or other family member of similar age. You’re not close enough to deliver it by hand, so you will need to ship it to him or her. What did you choose for a gift? What size box will
  29. Law/421

    If a zoo houses a venomous snake and the snake escapes its confines leaving the zoo and gets into a neighbors yard striking a young child. Should the zoo be considered negligent or should the zoo be considered strictly liable . Why or why not?
  30. Math Analysis

    4. Find f(x) + g(x) when f(x) = x^(1/2) and g(x) = 6x^(1/2). ===> I got the square root of 7x. Is this right? 16. Find f(x)/g(x) when f(x) = (2x)^(1/2) and g(x) = 2*(sqrt2)*x^(1/3). ===> I got (sqrt2x) / (3*cubertx), but I definitely don't think this
  31. physics(URGENT!!!!!)

    A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 12 N/m. The static friction coefficient between the block and the surface is μs= 0.6 , and the kinetic
  32. Math

    What's the step-by-step proccess to find the average? It's been years since I've been taught how to find the average of a set of numbers.. Thanks whoever can help!
  33. algebra

    The table show the median home prices in Florida what is the equation of a trend line that models a relationship between time and home prices use the equation to predict the median home price in 2040? Year 1940 median price 23,800 Year 1950 median 40,900
  34. Physics

    A block of mass m_1 is connected by a string over a pulley to a block of mass m_2 that is sliding on a flat table. The string is light and does not stretch; the pulley is light and turns without friction. The coefficient of friction between the sliding
  35. college math

    Find the approximate (with an integral estimate) present and future values of a constant income stream of 2500 dollars per year over a period of 40 years, assume a 5 percent annual interest rate compounded continuously. Find current and future value?
  36. Math and are my answers correct

    1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median at 10.5, Q3 at 14,
  37. Math

    Are my answers correct 1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in the following box plots: two box plots shown. The top one is labeled Males. Minimum at 1, Q1 at 3, median
  38. FEEDBACK CONTROL SYSTEM

    Figure below shows the block diagram of a dc-motor control system (note the dc-motor is represented by G(s)= K(s+3)/s(s+1)(s+2).The signal N(s) denotes the frictional torque at the motor shaft. a) Find the transfer function H(s) so that the output Y(s) is
  39. FEEDBACK CONTROL SYSTEM

    Figure below shows the block diagram of a dc-motor control system (note the dc-motor is represented by G(s)= K(s+3)/s(s+1)(s+2).The signal N(s) denotes the frictional torque at the motor shaft. a) Find the transfer function H(s) so that the output Y(s) is
  40. physics

    A 18.4 kg block is dragged over a rough, horizontal surface by a constant force of 126 N acting at an angle of 34.1 ◦ above the horizontal. The block is displaced 20 m, and the coefficient of kinetic friction is 0.123. The acceleration of gravity is
  41. Anything

    If I am 14 and I x my age by 42 then subtract by 21 am I really 69
  42. math

    1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to
  43. Algebra

    Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. The sales representative informs you that there are two floor plans still available, and that there are a total of 56 houses
  44. com170

    CAN YOU TELL ME IF I HAVE FIVE ADVERBS FIVE ADJECTIVES AND FIVE PRONOUNS I recently had a serious talk with my sister about her personal finance; she wants to be able to buy a new home this year. We carefully went over all her finance, while doing this we
  45. Algebra

    Find an angle with a positive measure and an angle negative measure that are coterminal with each angle. 1. 370 degrees 2. -3π /4 3. 5 π/2 pi sign = π
  46. Physics

    Two blocks are connected by a light string that passes over a frictionless pulley as in the figure below. The system is released from rest while m2 is on the floor and m1 is a distance h above the floor. (a) Assuming m1 > m2, find an expression for the
  47. math

    Please help me to find the first and third quartiles, Q1 and Q3, of the following set of numbers.13, 7, 15, 13, 13, 12, 9, 11, 19, 9 Qrrange the numbers in ascending order, like this: 7, 9, 9, 11, 12, 13, 13, 13, 15, 19 Now divide then into the lowest
  48. Algebra 1

    1) Find the possible values of a, if the distance between the points is 5, and the coordinates are (1, 1) and (4, a). I don't know how to solve this one. 2) in a right triangle the length of the hypotenuse is 14 and the length b of one of the legs is 8.
  49. Statistics

    Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 50 percent of SOC 390 students work more than ____ hours per week (round
  50. Statstics

    Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 50 percent of SOC 390 students work more than ____ hours per week (round
  51. Art

    Writeacher, I'm finding it difficult to rephrase the poem "I had been hungry all the Years" by Emily Dickinson. I wonder if you could help me. 1) Dickinson’s poetic universe is characterized by personal deprivation. In particular, in poem 579, “I had
  52. Math

    Peter is 8 years younger than Alex. In 9 years' time, the sum of their ages will be 76. How old is alex now?
  53. College Algebra

    Quinn is 4 years older than Stephanie. In 7 years the sum of their ages will be 64. How old is Quinn now?
  54. Math

    A density curve for all the possible ages between 0 years and 25 years is in the shape of a triangle. What is the height of the triangle? a) 0.16 b) 0.08 c) 0.02 d) 0.04
  55. algrbra

    Brittney is 5 years older than her brother Brandon. Three years from now, the sum of their ages will be 23. How old is Brandon now?
  56. geometry

    The measures of two supplementary angles are 6y + 3 and 4y - 13. Find the measures of the angles. Select one: a. 117 and 63 b. 19 c. 63 and 27 d. 10 Two angles are complementary. One angle measures 26 degrees more than the other. Find the measure of the
  57. physics

    Q: A block A of mass 0.5 kg can slide on a frictionless incline of angle 30o and length 0.8 m kept inside an elevator going up with uniform velocity 2m/s. Find the time taken by the block to slide down the length of the incline if it is released from the
  58. college

    The company Animania has employees with monthly salaries of $1700, $1400, $7000, $1550, and $2500. Find the median of these salaries.
  59. math

    in a graph, why might the data be represented in horizontal line segments? Lots of reasons. It depends upon what is plotted in the graph. You can get horizontal line segments in cases of (1) distance vs. time during a peiod when a vehicle is not moving (2)
  60. Advanced Algebra

    The world's population is over 6 billion people. A estimate of 1/6 of them celebrate Christmas. Santa works from midnight until 6:00am. How much time does Santa have to visit each house? How many houses must he visit each second? Allow for 4 people per
  61. Physics

    A horizontal spring attached to a wall has a force constant of 780 N/m. A block of mass 1.70 kg is attached to the spring and oscillates freely on a horizontal, frictionless surface as in the figure below. The initial goal of this problem is to find the
  62. Math

    When would a straight-line graph be applicable in a real life situation? I can not think of any? or could you apply this to the drinking age? You can purchase and drink beer once you are = or greater than 21 years old? Im I thinking on the right page?
  63. math

    Jewel uses 1/8 lb of cheese to make a sandwich in the cafeteria where she works.She purchased a 5 lb block of cheese earlier this week and has already used 1 3/4 lb from the block.Which equation could be used to find n, the number of sandwiches that jewel
  64. Physics

    The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One track is longer than the other, however. Identical blocks are projected up each track with the same initial speed v0. On the
  65. Physics

    The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One track is longer than the other, however. Identical blocks are projected up each track with the same initial speed v0. On the
  66. Physics

    The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One track is longer than the other, however. Identical blocks are projected up each track with the same initial speed v0. On the
  67. English

    Imagine what will happen in the future world and write down sentences related to the future world. 1. We will go to Mars. 2. We will make robots clean the house. 3. We will not get sick. 4. We will fly in the air. 5. We will go to the USA in 10 minutes
  68. math

    find the area of a right angled riangle. find the distance from A to B. Find the distance from B to C. Find the midpoint B(-1,4) A(-1,-1) C(4,-1) thanks for your time and help.
  69. physics

    A bullet of mass 0.08kg is fired horizontally into a 10kg block which is free to move. If both bullet and block move with a velocity of 0.6m/s after the impact, find the velocity with which the bullet hits the body
  70. Math

    I am supposed to find the 1st and 3rd quartiles of the following.And they are multipul choice: 0.08,0.16,0.18,0.20,0.22,0.25,0.27,0.27,0.28,0.32 Q1; 0.16+0.18=0.34÷2=0.17 Q3; 0.27+0.28=0.55÷2=0.275(.28) A. 0.18;0.27 B. 0.18; 0.28 C. 0.16; 0.28 D. 0.16;
  71. Physics

    Block A is 4.5 kg and Block B is 2.25 kg. a. determine the mass of block C that must be placed on block A to keep it from sliding if the coefficient of static friction between block A and the table is 0.2 b. If the coefficient of kinematic friction between
  72. physics

    A ballistic pendulum is used to measure the speed of bullets. It comprises a heavy block of wood of mass M suspended by two long cords. A bullet of mass m is fired into the block in the horizontal direction. The block, with the bullet embedded in it,
  73. math

    Find the amount that schould be invested now to accumulate following amounts,if te money is compounded as indicated. $2000 at 9% compund semiannually for 8 years. i don't know how u do this you take 2000(1+.09/12)^96 and you'll get the answer No, I don't
  74. physics

    A block of mass m is initially at rest at the top of an inclined plane with a height = 4.4 m which makes and angle of θ = 17 degrees with respect to the horizontal. It is observed to be traveling at v = 0.2 m/s a distance d after the end of the
  75. Physics

    In Figure 9-61, block 1 (mass 2.0 kg) is moving rightward at 8 m/s and block 2 (mass 4.8 kg) is moving rightward at 2.8 m/s. The surface is frictionless, and a spring with spring constant of 1180 N/m is fixed to block 2. When the blocks collide, the
  76. english

    could you tell me if i can use this as a descriptive paragraph. My loyal friend Mary Ellen is 48 years old with shoulder length black hair, and dark brown eyes. Mary Ellen works full time as an RPN in a nursing home taking care of lots of elderly people.
  77. Physics

    forty 2.0 kg blocks 20.0 cm thick are used to make a retaining wall in a backyard. Each row of the wall will contain 10 blocks. you may assume that the first block is the reference level. How much gravitational potential energy is stored in the wall when
  78. Math

    Number of goals : 0, 1,2,3,4,5 Number of matches : 7,x,5,3,1,4 (a) if the mean number is more than 2, find the largest possible value of x. (b) if the median number of goals is 2, find the largest possible value of x
  79. Math

    In NY the ratio of private homes to apartment is 3:5 . If all the apartments are brick made and 1/10 of the private homes are wooden what is the maximum portion of houses that may be brick made? a 15/16 b 5/8
  80. Math

    Which equation can be used to find the measure of an angle that is supplementary to POS
  81. Math

    what metric unit of measure would you used to find the length of a stadium
  82. math

    Using the illustration, find the measure of each acute angle for the right triangle. a = 26.0 m, b = 65.2 m
  83. Geometry

    In triangle EFG, M<F=3(m<G), and m<E=m<F-30degree. Find the measure of each angle.
  84. Geometry

    the measures of three angles of a triangle are in the ratio 4:5:6. Find the measure of each
  85. Geometry

    Find the measure of each side of equilateral triagnle RST with RS = 2x + 2, ST = 3x, and TR + 5x -4.
  86. math

    find the measure of each interior angle of a regular 18 - gon.
  87. Math

    Find the measure of the sides of an equilateral PQR if PQ = 5x - 7 and PR = 2x +5. I cannot understand this!
  88. Geometry

    Find the measure of the angle formed by the hands of a clock at 9:43. Thanks!
  89. MATH

    which equation can be used to find the measure of an angle that is supplementary to m EGB?
  90. geometry

    Find the measure of <ABC if the shaded are is 120 pi cm squared and the r=4?
  91. Math

    Find the measure of the sides of an equilateral (triangle)PQR if PQ = 5x - 7 and PR = 2x + 5
  92. math

    Find the measure of each variable if m<A=34 and m BC=112.(not drawn to scale)
  93. geometry

    The legs of an isosceles triangle measure 2x+ 5 and 3x-1. Find the values of x.
  94. Geometry

    Find the measure of each side of isosceles triangle ABC with AB = BC if AB = 4y , BC = 3y + 2 , and AC = 3y.
  95. Geometry

    Find the measure of each angle in a triangle with angles: x, (x-135), and 1/10 x
  96. Geometry

    Find the measure of the sides of an equilateral PQR if PQ = 5x - 7 and PR = 2x +5. I cannot understand this!
  97. geometry

    2 complementary angles are in the ratio of 5:13. Find the measure of each angle?
  98. algebra

    If theta= (7/6)*pi, find the equivalent angle measure in degrees.
  99. Math

    The legs of a right triangle measure 17 and 26. Find the length of the hypotenuse. Please help
  100. math

    Find the area of a triangle if its base has a measure of 2x + 16 and its height is x + 4