1. math

    I really need help to find the answer to this question below. If possible, please show every step of the way in a detailed form so i can understand, it takes me a while to fully comprehend whats being done. Thank you so much. QUESTION: the data shown model

    asked by sarah on July 27, 2015
  2. Math

    I really need help to find the answer to this question below. If possible, please show every step of the way in a detailed form so i can understand, it takes me a while to fully comprehend whats being done. Thank you so much. QUESTION: the data shown model

    asked by PLEASE HELPP on July 28, 2015
  3. Algebra

    Suppose a 2% acid solution is mixed with a 3% acid solution. Find the percent of acid in each mixture. -a mixture that contains an equal amount of 2% acid solution and 3% acid solution -a mixture that contains 3 times more 2% acid solution than 3% acid

    asked by Anonymous on December 30, 2011
  4. Algebra

    Suppose a 2% acid solution is mixed with a 3% acid solution. Find the percent of acid in each mixture. -a mixture that contains an equal amount of 2% acid solution and 3% acid solution -a mixture that contains 3 times more 2% acid solution than 3% acid

    asked by Anonymous on December 29, 2011
  5. Algebra

    Hey, can someone help me out with these questions? 1. Find the slope of the line that passes through (-2,-3) and (1,1). A) 1/3 B) 1 C) 2 D) 4/3 2. A line with slope = 1/2 passes through the points (2,5) and (x,3). What is the value of x? A) -1 B) 1 C) -2

    asked by Izzybelle on November 18, 2018
  6. physics

    A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time

    asked by elaine on October 19, 2010
  7. Algebra

    1. Find the degree of the monomial 6p^3 q^2. A) 2 B) 3**** C) 5 D) 6 2. Simplify (7t^2+9)+(6t^2+8) A) t^2 +1 B) 13t^2+17 C) 13t^4+ 17**** D) 42t^2+72 3. Simplify 3n(4n^2 + 5n) A) 12n^3 + 15 n^2***** B) 7n^2+8n C) 12n^2 +15n D) 12n^2 +8n 4. Factor 18s-63 A)

    asked by Olaf on February 12, 2015
  8. physics

    A stone is dropped from a 75 m high building. when this stone has dropped 15m, a second stone is thrown downward with an initial velocity such that two stones hit the ground at the same time. find a. time taken for the first stone to fall 75m. (b) the time

    asked by elaine on October 19, 2010
  9. physics 1

    Two forces and are applied to an object whose mass is 13.2 kg. The larger force is . When both forces point due east, the object's acceleration has a magnitude of 0.627 m/s2. However, when points due east and points due west, the acceleration is 0.344

    asked by Anonymous on February 11, 2014
  10. English

    There are four words in the Feeling pouch. You have to find one word which doesn't belong to this feeling category. Music doesn't belong to the feeling category. So take 'music' from this pouch to the subject pouch. There is a blank in this pouch. You

    asked by rfvv on March 8, 2016
  11. calc check

    If that is the y value of the center of mass, I don't know why the factor (1/2) is there I also don't agree with your calculation of the x value, which should be 1/(ln 2). I agree with you that the area is ln 2 find the center of mass of the region bounded

    asked by drwls on June 29, 2007
  12. College Physics

    Two forces  and  are applied to an object whose mass is 5.75 kg. The larger force is . When both forces point due east, the object's acceleration has a magnitude of 0.979 m/s2. However, when  points due east and  points due west, the

    asked by Thomas on January 5, 2017
  13. math/algebra

    Sally bought three chocolate bars and a pack of gum and paid $1.75. jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar nad the cost of a pack of gum. 3C + 1G= 1.75 2C + 4G=2.00 solve. I know that i have to

    asked by Diana on June 10, 2007
  14. physics

    Two forces A and B are applied to an object whose mass is 12.3 kg. The larger force is A . When both forces point due east, the object's acceleration has a magnitude of 0.443 m/s2. However, when A points due east and B points due west, the acceleration is

    asked by jordan on October 1, 2015
  15. Algebra

    A phone company has a monthly data plan where a customer pays flat monthly fee of $20 and then a certain amount of money per gigabyte (GB) of data used on the phone. If a customer uses 3 GB, the monthly cost will be $26. If the customer uses 4 GB, the

    asked by Laisha on October 12, 2018
  16. THIS IS FOR MATH AND SCIENCE TUTORS

    HAPPY PI DAY! A mathematician, a physicist, and an engineer are all given identicalrubber balls and told to find the volume. They are given anything theywant to measure it, and have all the time they need. The mathematician pulls out a measuring tape and

    asked by Anonymous on March 14, 2014
  17. ALGEBRA 2 (LOGARITHMIC FUNCTIONS)

    These are some I chose to practice but I have a hard time knowing how to do it. The answers are online but that doesn't help. These deal with logarithmic functions etc. PLEASE HELP! THANKYOU 1.)solve the equation: 3^(x+1)=27^(x+3) 2.) e^x=5 3.) 2^(3x)+9=25

    asked by DINA on April 15, 2015
  18. maths-urgent

    Arjun spent Rs.12 to purchase some pens and pencils.The cost of a pen and pencil are in the ratio 3:2. the total cost of a pen and a pencil is Rs. 3. if the total number of pens and pencils he purchased is7, find the number of pens he purchased.

    asked by Anonymous on January 16, 2013
  19. Algebra, URGENT!!!

    1) Mio can build a large shed in 15 days less than Yuuko can. If they build it together, it would take them 18 days. How long would it take each of them working alone? 2) If Kamina can do a job in 29 hours and Simon and Kamina working together can do the

    asked by Sam on November 13, 2013
  20. Pre-Cal

    a red number cube and a white number cube are rolled. Find the probability that the red number cube shows a 2, given that the sum showing on the two number cubes is less than or equal to 5. My work: (red cube = [1,2,3,4] white cube = [4,3,2,1] Probability

    asked by Lucy on January 3, 2009
  21. math

    a concert was held in a school. students tickets cost 5 dollars and regular cost 8 dollars. The school sold 284 tickets for 1600 dollars. Find the number of student tickets and the number of regular tickets sold.

    asked by sda on March 13, 2016
  22. Calculus

    Let the length of a rod be 10 meters and the linear density of the rod ρ(x) be written in the form ρ(x) = ax + b with x = 0 representing the left end of the rod and x = 10 representing the right end of the rod. If the density of the rod is 2kg/m at the

    asked by Travis on May 4, 2017
  23. Math: Parametric Equations

    The graph of the parametric equations x=cos(t) y=sin(t) meets the graph of the parametric equations x=2+4cos(s) y=3+4sin(s) at two points. Find the slope of the line between these two points. So far I've set up the system of equations cos(t)=2+4cos(s)

    asked by Katie on April 10, 2016
  24. Math

    A jar contains 5 red marbles and 3 green marbles. A marble is drawn at random and not replaced. A second marble is then drawn from the jar. Find the probability that both marbles are the same color. I figured out that the probability that both marbles are

    asked by S8 on May 28, 2014
  25. Physics

    During a tennis serve, a racket is given an angular acceleration of magnitude 155 rad/s2. At the top of the serve, the racket has an angular speed of 13 rad/s. If the distance between the top of the racket and the shoulder is 1.5 m, find the magnitude of

    asked by Zach on March 26, 2008
  26. Math

    A classroom of n = 10 children has a mean score of 17.200 on a measure of hyperactivity. One new child is added to the class, and the mean hyperactivity score for the resulting classroom including all the children is 18.000. Find the value of the new

    asked by Luis on February 3, 2015
  27. Maths/Law of sines

    I have a spherical triangle and I know 1 angle 31.3 degrees and all 3 sides which are 1624, 2118.4 and 1078.85 nautical miles. In order to find the other 2 angles I know I must use the law of sines: sin A over a = sin B over b = sin C over c If angle A is

    asked by Mike on January 13, 2008
  28. physics

    A skater spinning with angular speed of 1.5 rad/s draws in her outstretched arms thereby reducing her moment of inertia by a factor a 3. a) Find her final angular speed. b)What is the ratio of her final angular momentum to her initial angular momentum? c)

    asked by Kevin on December 2, 2010
  29. chemistry

    Someone please help me with these 2 problems!! I am going nuts! How many moles are there in 16grams of O2? What is the volume of 16 grams of O2 at Stp? Look up the atomic mass of oxygen on the periodic table. It is 16 grams but look it up so you will know

    asked by Ronald on November 11, 2006
  30. Calculus

    a rectangular box of given volume is to be "a" times long as it is wide. find the dimension for which it has the least total surface area ? L= aw Total surface area= 2LW + 2Lh + 2Wh = 2aw^2 + 2awh + 2wh But volume= lwh= 2aw^2 h or h= V/2aw^2 Total Surface

    asked by Hero on December 10, 2006
  31. statistics

    A survey found that women's heights are normally distributed with mean 63.5 in. and standard deviation 2.3 in. The survey also found that men's heights are normally distributed with a mean 68.7 in. and a standard deviation 2.8. (a) Most of the live

    asked by Kelli on December 13, 2014
  32. Precalculus

    The volume V(t) of air (in cubic inches) in an adult's lungs t seconds after exhaling is approximately. (Do not use mixed numbers in your answer.) V(t)= 53+28.5sin(pie(t)/2-pie/2) (a) Find the maximum and minimum amount of air in the lungs. Maximum is

    asked by Max on November 21, 2010
  33. Algebra

    Is this right?2. Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was $1.26 and in January 2006 the price of regular unleaded gasoline was $2.31 (Bureau of Labor Statistics, 2006). Use the

    asked by Anonymous on June 18, 2008
  34. calculus

    a small business owner buys a truck for $20,000 to transport supplies for her business. She anticipates that she will use the truck for 5 years and that the truck will be worth $10,000 in 5 years. She plans to claim a depreciation tax credit using the

    asked by Greg on August 2, 2014
  35. calculus

    Find complete length of curve r=a sin^3(theta/3). I have gone thus- (theta written as t) r^2= a^2 sin^6 t/3 and (dr/dt)^2=a^2 sin^4(t/3)cos^2(t/3) s=Int Sqrt[a^2 sin^6 t/3+a^2 sin^4(t/3)cos^2(t/3)]dt =a Int Sqrt[sin^4(t/3){(sin^2(t/3)+cos^2(t/3)}]dt=a Int

    asked by ms on September 18, 2013
  36. ALGEBRA

    A single card is selected from an ordinary deck of cards. The sample space is shown in the following figure. Find the following probabilities. (Enter the answers either as fractions or as decimals rounded to three places.) P(five of clubs) = Incorrect:

    asked by Mike on May 23, 2012
  37. ALGEBRA

    The costs of doing business for a company can be found by adding fixed costs, such as rent, insurance, and wages, and variable costs, which are the costs to purchase the product you are selling. The portion of the company’s fixed costs allotted to this

    asked by AMERICAN GIRL on June 23, 2011
  38. Chemical Formulas and Reactions

    When aqueous copper(II)chloride reacts with aqueous ammonium phosphate, soluble ammonium chloride forms and copper(II) phosphate precipitates out of solution. 1. Write the balanced molecular equationfor this reaction. 2. Write the balanced complete ionic

    asked by chrissy on December 29, 2006
  39. Biology

    You find 3 trees where each tree gives a different coloured fruit: red, pink or orange. You perform crosses between all three trees and get the following results: P: red x pink ---F1: ½ red: ½ pink P: red x orange --- F1: ½ red: ½ orange P: pink x

    asked by James on September 27, 2015
  40. Math

    A train track is 5280ft. long. After adding another foot of track, an arc is created. What is the height of the arc and how would i measure it? FIND THE LEAST COMMON MULTIPLE OF 6,9 The maximum height is given by [2640(5280) + h^2 = [2640(5280) + 0.50]^2^2

    asked by Lauren on September 28, 2006
  41. english/writing

    The sterotype of the homosexual, particularly the male, is one of promiscuity. Indeed, there is some basis for that sterotype; about half of all white mails in one study reported that they had over five hundred partners. However Riedmann (1995) esimated

    asked by jerson on October 3, 2009
  42. Math: Equivalence Classes

    Let R be the relation on ℤ+×ℤ+ defined by (a,b)R(c,d) if and only if a−2d=c−2b. 1. Find an equivalence class that has exactly 271 elements. 2. Is it true that for every positive integer n, there is an equivalence class that contains exactly n

    asked by procrastinationEquation on August 14, 2014
  43. physics

    You let out a shout, echo comes back and reaches you in 1.4 seconds. if the speed of sound in air is 343 m/s, what is the distance to the cliff? a. need assitance in setting up problem? Let d be the distance to the cliff, and V be the speed of sound. The

    asked by tim on September 3, 2006
  44. presedent

    What president was shot while walking to California Governor Jerry Brown' office? I can't find any reports of a president being shot while walking to Governor Brown's office. I think is was Gerald Ford. Yes. Two different women tried to shoot Gerald Ford

    asked by Amy on March 28, 2007
  45. Physics

    A 58-kg vampire and 176-kg werewolf clash during the Feat of Strength part of the annual celebration of Festivus. The werewolf velocity just before the clash is 7 m/s and is directed upwards, while the vampire velocity at the moment of the collision is

    asked by Emily on November 1, 2012
  46. Math

    The equation of the motion of a body suspended by a spring is T=2π√m/k, where T is the time period, m is the mass of the body, and k is the force constant of spring. use this information to find the time period if a body of mass 10 kg is suspended by a

    asked by Jourrapide on September 18, 2016
  47. Physics

    A floodlight with a mass of 20.0 kg is used to illuminate the parking lot in front of a library. The floodlight is supported at the end of a horizontal beam that is hinged to a vertical pole. A cable that makes an angle of 30 degrees with the beam is

    asked by Jessica on March 10, 2008
  48. math-word problem

    A plane flies with a ground speed of 160 miles per hour if there is no wind. It travels 350 miles with a head wind and in the same time it takes to go 450 miles with a tail wind. Find the speed of the wind. I'm pretty bad with word problems, but this is

    asked by Jennifer on May 6, 2008
  49. Physics

    A 0.300 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.215 kg puck that is initially moving along the x axis with a velocity of 2.14 m/s. After the collision, the 0.215 kg puck has a speed of 1.14 m/s at an angle of q =

    asked by Arthur on September 30, 2012
  50. Physics

    Consider a perfectly inelastic head-on collision between a small car and a large truck traveling at the same speed. Which vehicle has a greater change in kinetic energy as a result of the collision? Since the vehicles stick together after the collision and

    asked by Jim on February 27, 2008
  51. University Physics

    A 60-kg vampire and 194-kg werewolf clash during the Feat of Strength part of the annual celebration of Festivus. The werewolf velocity just before the clash is 5 m/s and is directed upwards, while the vampire velocity at the moment of the collision is

    asked by Anonymous on November 1, 2012
  52. Pre- Algebra

    Given an equation of a line, how do I find equations for lines parallel to it going through specified points Simplifying the equations into slope-intercept form. 1. y= -2x -4; (1, 3) how do I write the equation of a line parallel to the given line but

    asked by Roosevelt on August 14, 2013
  53. math

    ) A water tank is emptying steadily by 2 liters of water per hour. There were 2 liters of water 6 hours after midnight. Let x represent the number of hours since midnight, and let y represent the number of liters of water in the tank. Find the equation

    asked by HAAAAAAAAY on February 6, 2015
  54. math

    ) A water tank is emptying steadily by 2 liters of water per hour. There were 2 liters of water 6 hours after midnight. Let x represent the number of hours since midnight, and let y represent the number of liters of water in the tank. Find the equation

    asked by HAAAAAAAAY on February 6, 2015
  55. trigonometry

    the angle of elevation of the top of the tower from the foot of a flagpole is twice the angle of elevation of the top of the flagpole from the foot of the tower. at the point midway between the tower and the flagpole, the angles of elevation to their tops

    asked by jack on June 17, 2017
  56. Math

    if brazil got 11401 internet subscribers (1000s) and 67510 internet users (1000s)and world got 518600 internet subscribers and 1544854 internet users what is the formula to find internet users per subscriber (average) and internet users as percentage of

    asked by SRay on May 28, 2010
  57. Physics

    Calculate the answer for the following question and state the answer with the correct certainty and units. Given the values of b and h, find A. b=3.2 cm, h=10.1 cm A=1/2bh The answer is 16 cm^2, which was rounded to two significant digits from 16.16

    asked by Emily on September 8, 2010
  58. calculus

    The differential equation below models the temperature of a 87°C cup of coffee in a 17°C room, where it is known that the coffee cools at a rate of 1°C per minute when its temperature is 67°C. Solve the differential equation to find an expression for

    asked by alex on April 27, 2017
  59. Physics

    A 24.00 kg block at rest on a horizontal frictionless air track is connected to the wall via a spring. The equilibrium position of the mass is defined to be at x=0. Somebody pushes the mass to the position x=0.3500 m, then lets it go. The mass undergoes

    asked by Liz on November 8, 2014
  60. math

    yunny had thrice as many stamps as Zul at first.Then each of them bought an equal number of stamps.In the end , Zul had 36 stamps and Yunny had twice as many stamps as Zul . find the number of stamps Yunny had at first ?

    asked by kelly lim on September 12, 2016
  61. Calculus

    A company manufactures x units of one item and y units of another. The total cost in dollars, C, of producing these two items is approximated by the function C=7x^2+xy+1y^2+600. A) If the production quota for the total number of items (both types combined)

    asked by A on October 18, 2015
  62. Chemistry

    1) For a freezing point depression experiment we had to create an ice bath and add salt to the ice. I have to answer the question, why was salting the ice necessary in order to complete the experiment and how does this apply to the principles/concepts

    asked by Hannah on February 21, 2012
  63. Geometry/Trig

    Hello, I would appreciate it if... 1. If you could give me information on finding the area of a circle inscribed in an equilateral triangle. 2. This problem: A running track is shaped like a rectangle with a semicircle on each of the shorter sides. The

    asked by Lisa on October 10, 2006
  64. Physics. Please help

    A 3.00 kHz tone is being produced by a speaker with a diameter of 0.175 m. The air temperature changes from 0 to 29°C. Assuming air to be an ideal gas, find the change in the diffraction angle My solution v directly proportional to sqrt T v = sqrt 302

    asked by Papito on May 5, 2007
  65. EdTech

    1.what contributes to your passive digital footprint? A)entering your address into a website to sign up for a contest B) cookies that track your online habits**** C) uploading a profile picture to a social media site D) posting information on your personal

    asked by Ziggy on January 29, 2015
  66. language

    I need to find the complete subject and simple subject of this sentence: San Fransisco is a city in California. I put San Fransisco as the complete subject and city as the simple subject.

    asked by julio on September 15, 2009
  67. Algebra

    In triangle ABC, the measure of angle B is 8 degrees more than three times the measure of angle A. The measure of angle C is 37 degrees more than the measure of angle A. Find the measure of each angle. What is the measure of angle A__? What is the measure

    asked by Student on February 18, 2014
  68. Trigonometry

    In another attempt to determine the height of the flagpole, a metre stick was placed vertically beside the flagpole. When the flagpole’s shadow was 36.72 m long, the metre stick’s shadow was 3.06 m long. Find the height of the flagpole.

    asked by T on March 23, 2018
  69. math :(

    In another attempt to determine the height of the flagpole, a metre stick was placed vertically beside the flagpole. When the flagpole’s shadow was 36.72 m long, the metre stick’s shadow was 3.06 m long. Find the height of the flagpole.

    asked by T on March 24, 2018
  70. trigonometry

    In another attempt to determine the height of the flagpole, a metre stick was placed vertically beside the flagpole. When the flagpole’s shadow was 36.72 m long, the metre stick’s shadow was 3.06 m long. Find the height of the flagpole.

    asked by T on March 24, 2018
  71. algebra

    As isosceles triangle has two sides of equal length. If the third side of an isosceles triangle is five inches longer than one of the equal sides, and the perimeter is 26 inches, find the length of each side.

    asked by gigi on July 10, 2015
  72. Question

    If I join these clubs in high school will I make it to Ivy League Schools Computer Club Any student interested in computers will learn skills such as creating web designs and building PCs. Students will also have the opportunity to learn advanced

    asked by Laruen on November 27, 2011
  73. Physics

    Vector has a magnitude of 8.10 units and makes an angle of 52.0° with the positive x-axis. Vector also has a magnitude of 8.00 units and is directed along the negative x-axis. Using graphical methods find the following. a) The vector sum Magnitude of A +

    asked by Griet on September 29, 2013
  74. math

    Of the 50 state in the united state, 8 states have a population of one million people or fewer.Make a plan and write an addition equation to show that the sum of the state with more than one million people and the states whith one million people or fewer

    asked by Anonymous on November 16, 2011
  75. Math

    1. Find the horizontal change and the vertical change for the translation P(4,-4) (-4,7) A. Right 8; up 11 B. Left 8; down 11 C. Right 8; down 11•• D. Left 8; up 11 2. The point c(x,y) is reflected over the x-axis. Use arrow notations to describe the

    asked by Zachary on April 6, 2016
  76. Calculus

    A rectangular storage container with an open top is to have a volume of 10 m3. The length of its base is twice the width. Material for the base costs $9 per m2. Material for the sides costs $150 per m2. Find the dimensions of the container which will

    asked by Anonymous on November 26, 2017
  77. math

    of a set of 10 cards, 3 have red circles, 4 have yellow triangles, and 3 have green diamonds. you choose one card at random and then replace it. then you choose a second card. what is the probability that both cards have yellow triangles? Find the

    asked by dillon on April 16, 2007
  78. trig is killing me...

    the angles of elevation of a tower at two places due west of it are 63 degrees and 56 degrees. given that the foot of the tower and the two points are on ground level and the distance between the two points is 20 meters, find the height of the tower. You

    asked by holly on December 7, 2006
  79. physics please HELP !

    can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an

    asked by emmiie on May 21, 2012
  80. English

    "My Brother's Keeper" by Jay Bennett The author of “My Brother’s Keeper” emphasizes Jamie’s conflict by describing the car accident in detail. detailing Jamie’s physical appearance and good grades. flashing back to earlier events with his brother

    asked by SkatingDJ on October 18, 2015
  81. physics Q

    can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an

    asked by emmiie on May 21, 2012
  82. PreCalculus

    Problem: Identify the conic from the equation 13x^2-6(sq.rt.6)xy+7y^2-16=0 I have to choose from the following four answers: hyperbola (angle of rotation 45) hyperbla (angle of rotation 60) ellipse (angle of rotation 90) ellipse (angle of rotation 30) I

    asked by Joanie on March 30, 2009
  83. math

    You have an aquarium for your new pet, “Shamu” the killer whale, that contains 100,000 pounds of ocean water with a salinity of 30 o/oo. a. Calculate how many pounds of salt are currently in the aquarium. b. You think Shamu may be allergic to salt, so

    asked by amanda on August 21, 2012
  84. Physics

    Two tugboats are pulling a freighter. Find the net force and direction of the acceleration for the following cases. Assume that each tugboat pulls with a force of 1.2 x 10^5 N. Assume no resistive force at this time. a) Tugboat 1 pulls in a direction given

    asked by Emily on April 3, 2011
  85. series and parellel circuits

    ok here we go ... its a series-parellel circuit with 5 resistors. 12 volt battery- wire goes up then one wire branches up at 45 deg with a 10 ohm resistor then down at a 45 deg with a 10 ohm resistor, a second wire branches down at 45 deg with a 20 ohm

    asked by Dave on May 21, 2012
  86. Math

    Just want to double check If the question asks to find ratio of speed of car to speed of train given speed of car is 40 km/h and of train is 120km/h And I put as Train:car. (Instead of car:train) 120:40 12:4 3:1 Is this incorrect if I put in the reverse

    asked by NJay on October 16, 2017
  87. Check answers for american government

    My answers below 11. Identify which fact about the amendment process best supports this quotation from the textbook. The formal amendment process emphasizes the federal character of the governmental system. (1 point) Amending the Constitution is a complex

    asked by Anonymous on October 19, 2016
  88. physics

    A ball player hits a home run, and the baseball just clears a wall 17.6 m high located 122.0 m from home plate. The ball is hit an an angle of 35° to the horizontal, and air resistance is negligible. Assume the ball is hit at a height of 1.1 m above the

    asked by JAck on November 24, 2014
  89. math

    George wants to put carpeting in a rectangular living room and a square bedroom. The length and width of the lving room is 12 feet by 18 feet. One side of the square bedroom is 13 feet. It will cost $3.50 per square foot to carpet the rooms. A)Write an

    asked by kyle on February 12, 2015
  90. Math

    We define two numerical operations labeled T and R. The effect of T is to add 1 to a number. For example, if we apply the operation T to the number 2 three times in a row, we obtain 3, then 4, then 5. The effect of R is to find the negative reciprocal of a

    asked by skjhrf on May 30, 2018
  91. physics

    (a) An object is subjected to two displacements. The displacement vector of the first, V1 , has a magnitude of 186 m at an angle 23° North of East. The second displacement vector, V2 , has a magnitude of 327 m at an angle 43° West of North. find the

    asked by shoushanik on August 21, 2014
  92. physics

    A pilot flies her route in two straight-line segments. The displacement vector A for the first segment has a magnitude of 246 km and a direction 30.0o north of east. The displacement vector B for the second segment has a magnitude of 178 km and a direction

    asked by shantel on January 17, 2013
  93. physics

    A pilot flies her route in two straight-line segments. The displacement vector A for the first segment has a magnitude of 242 km and a direction 30.0o north of east. The displacement vector for the second segment has a magnitude of 177 km and a direction

    asked by thaokieu on January 30, 2011
  94. physics

    A pilot flies her route in two straight-line segments. The displacement vector A for the first segment has a magnitude of 246 km and a direction 30.0o north of east. The displacement vector B for the second segment has a magnitude of 178 km and a direction

    asked by shantel on January 17, 2013
  95. Algebra 1

    The body mass index I can be used to determine an individual's risk for heart disease. An index less than 25 indicates a low risk.The body mass index is given by the formula, or model, I=700w/h2, which w-height in inches. Frances weighs 166 pounds and

    asked by Esther on February 7, 2011
  96. Simple Interest

    Quincy's property tax is $665 and is due on April 25. He does not pay until July 19. The county adds a penalty of 9.9% simple interest on unpaid tax. Find the penalty Quincy will pay. (Assume that there are 365 days in a year. Round to the nearest cent.)

    asked by Anonymous on October 13, 2015
  97. Pre Cal

    2cos 4theta + 1 = 0 i know how to find the degrees (the last step of the problem), but i don't know how to start the problem. Could someone please show me the steps? I assume you mean cos (4 theta) and not (cos theta)^4 cos (4 theta) = -1/2 The angles with

    asked by Marie on March 7, 2007
  98. DrBob222 physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 27.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 53.7 kg, and the coefficient of

    asked by Susu on February 19, 2007
  99. physics

    Truck brakes can fail if they get too hot. In some mountainous areas, ramps of loose gravel are constructed to stop runaway trucks that have lost their brakes. The combination of a slight upward slope and a large coefficient of friction in the gravel

    asked by amy on October 31, 2009
  100. College algebra

    One health club charges a monthly fee of $100 and an extra $5 for every visit. Another health club charges $103 per month and $4 for every visit. How many visits in a month would make the cost of each health club equal? Suppose x is the number of visits

    asked by Brandi on May 26, 2016

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