1. math

    the length of a rectangle is 3 yds more than twice it width and the area of the rectangle is 77yds find the dimensions of the rectangle the length and width

    asked by carmen on February 22, 2013
  2. math

    U= { all positive integer less than or equal to 30} M={all even positive numbers less than or equal to 20} N={all odd number less than or equal to 19} S={all integer x: 10

    asked by damilous on June 3, 2019
  3. Physics

    A vector has an x component of -23.0 units and a y component of 27.0 units. Find the magnitude and direction of the vector. ? units at ? counterclockwise from the +x-axis

    asked by Anonymous on February 5, 2011
  4. Math

    Three sisters shared some mangoes in the ratio of 5:3:2.if one with the smallest ratio received 25 mangoes, find the number of mangoes shared?

    asked by OLUMIDE on May 19, 2018
  5. math

    A number is chosen from the first 24 positive integers. Find the probability that: a) the number is divisible by 3 given that it is divisible by 4 b) the number is divisible by 6 given that it is divisible by 3 Just need help with either one, thank you for

    asked by Anonymous on August 2, 2018
  6. physics

    Find the ratio of the electrostatic to gravitational force between two electrons. 4.16×1042 What is this ratio for two protons? (Why is the ratio different for electrons and protons?)

    asked by Joe on August 22, 2014
  7. Math

    Solve the integral from [0,pi] of x*sinx*cosx*dx I don't understand how to solve this problem because if I let u =x and du =1 and dv=sinx*cosx, I can't find v. How do you solve this?

    asked by Dave on September 29, 2017
  8. MATH

    a purse contains $1.35 in quarters nickels and dimes There are 3 times as many dimes as quarters and 3 more nickels than quarters. find the number of each coin

    asked by JAYLA on May 3, 2013
  9. math

    a picture 8 in. by 12 in. is placed in a frame which has uniform width. if the area of the frame equals the area of the picture, find the dimension of the frame

    asked by joei on October 6, 2013
  10. algebra 1

    Thelma wants to find the equation of a line that passes through the point (2, 2) and is perpendicular to the line Which equation best represents Thelma's equation?

    asked by shay on April 29, 2013
  11. math

    six cards are numbered 1 1 6 7 11 and 12 cards are chosen without replacement until a card number 1 is chosen. find the probability that this happens before the third card is chosen

    asked by Shruti on March 22, 2015
  12. math

    The sum of ages of Seth and charles is 100. if Charles is twice as old as Seth was when charles was seths age, find their ages

    asked by pierce on September 9, 2015
  13. algebra 1

    find the slop-intercept equation of the line that has the given characteristics. Slope 6 amd y-intercept (0,7) The slope-intercept equation is y=?

    asked by Need Help on September 23, 2009
  14. Algebra

    The units digit of a two digit number is 1 more than twice the tens digit. If the digits are reversed, the new number is 36 more than the original number. Find the number. Please help!!

    asked by Logan on February 14, 2009
  15. Math

    Find the least positive integer that leaves the remainder 3 when divided by 7, remainder 4 when divided by 9, and remainder 8 when divided by 11. Using the Chinese Remainder Theorem.

    asked by Shaakira on August 1, 2012
  16. mathematics

    a public ferry travelled 220 km along with current of the wind it's travelled 63 km against the current 24 km/hr at the same time. find the current of the wind?

    asked by anthony on August 8, 2016
  17. algebra

    Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 4/x-y , 5/2y-2x

    asked by Joe on July 13, 2009
  18. math (trig)

    if cos 2 theta = -(1/3) and theta is in Quadrant 2, find sin theta, cos theta, tan theta, and draw triangle theta

    asked by Jeff on January 20, 2011
  19. math

    sum of two numbers is 40. the difference of 5 times the larger and 4 times the smaller exceeds 7 times the smaller by 8. Find the numbers

    asked by jason on February 24, 2016
  20. math

    A gallon jug of milk is 3/4 full. After breakfast the jug is 1/12 full. Find the difference of the amounts before breakfast and after breakfast.

    asked by robin on October 22, 2018
  21. math

    the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of the line that is perpendicular to the line 9x+4y=87. Find the perimeter of the rectangle.

    asked by daniel on November 17, 2012
  22. Math

    A man runs to a telephone and back in 15 minutes. His speed on the way to telephone is 15 m/s and his speed on the way back is 4m/s. Find the distance to the telephone.

    asked by Adriana on August 29, 2011
  23. MATH

    A TRIANGLE IS INSCRIBED IN A CIRCLE SUCH THAT ONE OF ITS SIDES IS A DIAMETER OF THE CIRCLE.IF THE RADIUS OF THE CIRCLE IS 30.5 CM AND ONE OF THE SIDES IS 60 CM, FIND THE AREA OF THE TRIANGLE?

    asked by ROSIEFE on August 21, 2012
  24. Math

    A force of magnitude 15 N is the resultant of two forces, one of which has a magnitude of 8 N and acts at an angle of 30° to the resultant. Find the magnitude and direction of the other force.

    asked by Joe on December 6, 2018
  25. math

    the width in cm of a rectangle is the same as the slope of the line 5x-6y=-14, and its length in cm is the same as the slope of the line that is perpendicular to the line 9x+4y=87. Find the perimeter of the rectangle.

    asked by daniel on November 17, 2012
  26. physics

    a 2.0 kg particle is given a displacement (delta)r= 2.0i+3.0j (m). During this displacement, a constant force, F=2.0i-5j (N) acts at the particle. find the work done by the force for this displacement.

    asked by unknown on June 13, 2011
  27. physics

    Three cities X,Y, and Z are connected by straight highways. City X is 6 km from city Y, city Y is 4 km from city Z, and city X is 5 km from city Z. Find the angle made by the highways XY and YZ?

    asked by Gigz on June 14, 2017
  28. math

    triangle abc angle A+B=166 degree and angle b+c=126 degree find the measure of each angle of the triangle

    asked by kukut on August 6, 2016
  29. Exploring mathematics elementary algebra

    The tens digit of a two-digit number is 3 less than the units digits. The number is four times the sum of the digits. find the number.

    asked by Joe Mhar Plaza on January 6, 2011
  30. maths

    If 6men can do a piece of work in 20 days and one man can do a work of 2 boys.Find how many days can 10 men and 5 boys do the same work ?

    asked by kumar on January 9, 2018
  31. algebra

    The numerator of a fraction is 7 less than the denominator if three is added to the numerator and 9 is subtracted from the denominator the new fraction is equal to 3/2. Find the original fraction.

    asked by steph on September 27, 2012
  32. Algebra

    The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the legth and the width are each increased by two cm. Find the length and the width

    asked by Anonymous on June 6, 2012
  33. Calc Help

    demand = (p+1)sqroot(q+1)=1000. Find elasticity of demand at a price of $39 per unit. I am really struggling with this problem is there anyone that can help me? i am not familiar with the terminology, but if you are trying to solve for p, it is not that

    asked by Rob on April 29, 2007
  34. statistics

    A lottery offers one $10000 prize, one $5000 prize and five $1000 prizes. 1000 tickets are sold at $30 each . Find the expectation if a person buys one ticket workings: 9970/1000+4970/1000+4850/1000-29790/1000 = -10000/1000 =-$10

    asked by Anonymous on July 26, 2015
  35. chem

    Consider the equation A in a 1L container. At 7.57C, the molar concentrations of A and B are 7.228M and 1.976 (respectively). Suddenly, 1.831 moles of A are added to the system. What is the change in deltaG of the system (Answer in kJ) At first, I thought

    asked by Marisol on April 1, 2007
  36. algebra

    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 (“Consumer price index,” 2006). Use the coordinates (1997,

    asked by Bubba on August 3, 2010
  37. English & composition

    We had to find rhetorical devices in this speech from a movie Lean On Me: I spotted personification, rhetorical question, and anaphora only. **Our teacher gave us a list of rhetorical devices that we could find but I can't find: ethos, pathos, logos,

    asked by Emma on December 2, 2015
  38. Math/Algebra

    Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts.

    asked by L on December 2, 2009
  39. Math-due today, need a check

    Please help me with this, below is a question I have to answer…below that is my answer…did I do, or answer this correctly? Post a response of at least 50 words to the following: Explain how to graph linear equations using the x- and y-intercepts.

    asked by Lisa on December 2, 2009
  40. math

    Sam and markus are standing on level ground 100m apart. A large tree is due north of markus and on a bearing of 65degrees from sam. The top of the tree appears at an angle of elevation of 25degrees to sam and 15degrees to markus. Find the height of the

    asked by putri on November 12, 2010
  41. none

    What is the busiest airport in the world? The "world" fights over the title of "World's Busiest Airport." Go to www.google.com and type in busiest airport. You will find many sites to read about. Atlanta, Chicago, and others are listed. Take your pick. i

    asked by Harley on September 8, 2006
  42. Math

    Hello, I'm supposed to do the following questions for the equation y=cos(pi/3)x for intervals [0,6] a) For what values of x does the instantaneous rate of change appear to equal 0? b) For what value(s) of x does the instantaneous rate of change appear to

    asked by Anne on August 24, 2016
  43. math

    Ben has 295 cents worth of nickels and 67 cents worth of pennies. Which equation can be used to find T,the total number of coins he has? A.T=295+67 B.T=(295+67)/5 C.T=(295/5)+67 D.T=295-5+67 B?

    asked by ♫♫Colton♫♫ on May 21, 2012
  44. math help

    At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

    asked by Janet on December 5, 2009
  45. Science

    To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the circuit. C

    asked by Anonymous on January 15, 2012
  46. Science

    To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the circuit. B

    asked by Anonymous on January 15, 2012
  47. math

    find all solutions on 0 is greater than or equal to theta < 2pi cos theta= 2sqrt3/3 4-1/2sin theta= (-16+sqrt3)/4 3(sqrt3)= -3cot theta -2=-1-2sin theta

    asked by bob on December 8, 2011
  48. pre calc

    find all solutions on 0 is greater than or equal to theta < 2pi cos theta= 2sqrt3/3 4-1/2sin theta= (-16+sqrt3)/4 3(sqrt3)= -3cot theta -2=-1-2sin theta

    asked by satan666 on December 8, 2011
  49. Math

    A 14 inch board is to be cut into 3 pieces so that the second piece is twice as long as the first piece and the third piece is 4 times as long as the first piece. If x represents the length of the first piece find the lengths of all three pieces

    asked by Anonymous on September 18, 2016
  50. Math

    At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

    asked by Becca on October 29, 2009
  51. math

    I am looking at an olympic event that has happened every 4 years (except for when the olympics didn't happen because of the wars). I found a line of best fit for this data and it is y = -0.0101x + 29.809 The questions are a) Does your graph have a

    asked by Carly on May 16, 2019
  52. Biosci 101

    Hi there :)I was just wondering if you knew how the lac operon theory works? And if there are any good websites for this? This is the best one I could find. http://www.dartmouth.edu/~cbbc/courses/bio4/bio4-lectures/ProkGeneControl.html Most sites discuss

    asked by San on March 16, 2007
  53. chemistry help!!!!!

    Consider the following reaction: Find the equilibrium partial pressures of A and B for each of the following different values of Kp. Assume that the initial partial pressure of B in each case is 1.0 atm, and that the initial partial pressure of A is 0.0

    asked by student on March 11, 2012
  54. Math

    One of Kepler's three laws of planetary motion states that the square of the period, P, of a body orbiting the sun is proportional to the cube of its average distance, d, from the sun. The Earth has a period of 365 days and its distance from the sun is

    asked by Clarence on September 24, 2019
  55. Physics

    To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.60 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 9.60 m/s2. Find

    asked by Redgy22 on October 6, 2012
  56. Economics/Algebra

    The demand curve for a monopolist is Qd = 500 - P and the marginal revenue function is MR = 500 - 2P. The monopoloist has a constant marginal and average total cost of $50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate

    asked by too old on November 9, 2009
  57. statistic

    A distribution of values is normal with a mean of 110 and a standard deviation of 5. Find the interval containing the middle-most 48% of scores: Enter your answer using interval notation. Example: [2.1,5.6) Your numbers should be accurate to 1 decimal

    asked by moon on January 8, 2018
  58. physics

    Blocks A, B, and C are placed as in the figure and connected by ropes of negligible mass. Both A and B weigh 27.5 each, and the coefficient of kinetic friction between each block and the surface is 0.40. Block C descends with constant velocity. Find the

    asked by Abdulla on November 19, 2011
  59. Calculus-Math

    The speed S of blood that is r centimeters from the center of an artery is given below, where C is a constant, R is the radius of the artery, and S is measured in centimeters per second. Suppose a drug is administered and the artery begins to dilate at a

    asked by Lorine on August 9, 2014
  60. Physics

    A puck of mass 0.03 kg slides across rough ice, experiencing a frictional force of 0.2 N. If it was moving at 36 m/s when I hit the ice patch, A) How long did it take to stop? B) What was the length of the ice patch? I know I have initial velocity, mass

    asked by Cali on October 24, 2015
  61. physics

    1. Two identical 15.0 kg balls, each 25.0 cm in diameter, are suspended by two 35.0 cm wires as shown in the figure. The entire apparatus is supported by a single 18.0 cm wire, and the surfaces of the balls are perfectly smooth. Find the tension in the

    asked by Anonymous on September 25, 2012
  62. Chemistry

    Okay, I feel like this question should be really easy because it's a multiple choice question but how do you figure it out?? I'm completely drawing a blank. Consider the following equilibrium N2O4(g) 2NO2(g) Kc = 4.8E-3 Which set of concentrations

    asked by a Canadian on April 9, 2013
  63. math

    The cross section of an attic is in the shape of an isosceles trapezoid. If the height of the attic is 9 feet, BC=12 feet, and AD=28 feet, find the length of line AB to the nearest foot. The triangle of the trapezoid is triangle ABE and the bases are BC

    asked by anthony on April 11, 2009
  64. To: Economyst - Can you please help me?

    The demand curve for a monopolist is Qd = 500 - P and the marginal revenue function is MR = 500 - 2P. The monopoloist has a constant marginal and average total cost of $50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate

    asked by too old on November 11, 2009
  65. Physics

    A billiard ball moving at 5.80 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.81 m/s at an angle of 34.0° with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and

    asked by John on March 14, 2011
  66. physics

    7. A drop of oil is placed on a glass block. The glass has an index of refraction of 1.55. When light shines from the glass into the droplet, total internal reflection occurs at a critical angle of 59.0(degrees).find the index of refraction of oil.(this

    asked by alessandra on December 5, 2012
  67. Math

    The rectangle shape in a set of blocks comes in two sizes(small and large), three colors (yellow, red, and blue), and have two thicknesses, (thick and thin). 1. Draw a tree diagram to find the total number of outcomes. 2. How many outcomes are possible? 3.

    asked by Matt on March 17, 2014
  68. Physics

    A billiard ball moving at 5.80 m/s strikes a stationary ball of the same mass. After the collision, the first ball moves at 4.81 m/s at an angle of 34.0° with respect to the original line of motion. Assuming an elastic collision (and ignoring friction and

    asked by John on March 14, 2011
  69. Chemistry Help PLEASE!!

    I don't know how to do this question, I understand we have to use ICE but I keep getting the wrong answer when I solve for x, it's just not working for me. Consider the following reaction: A(g) -> 2B (g) Find the equilibrium partial pressures of A and B

    asked by Student on February 24, 2012
  70. calculus

    find max, min and saddle points of the give function f(x,y)=sin(x)+sin(y)+sin(x+y) 0

    asked by Help Please on March 9, 2012
  71. math

    A rectangular beam is cut from a cylindrical log of radius 15 cm. The strength of a beam of width w and height h is proportional to wh^2. Find the width and height of the beam of maximum strength. (Round your answers to two decimal places.) h= ? w = ?

    asked by Leila on October 29, 2015
  72. Economics/Math

    The demand curve for a monopolist is Qd = 500 - P and the marginal revenue function is MR = 500 - 2P. The monoploist has a constant marginal and average total cost of $50 per unit. a. Find the monopolist's profit maximizing output and price b.Calculate the

    asked by too old on November 8, 2009
  73. physical

    QUESTION 4 [18] Two long current-carrying wires are shown in Fig 1. They are carrying the same current I which are pointing in opposite directions. Their separation is s. A field point Q lies in their plane, a distance ñ from their midline. 4.1 Find the

    asked by Anonymous on September 16, 2011
  74. chemisrty - ICE CHART DEPOSTION

    How do i fill out an ICE chart when i am only given an initial concentration of one reactants and an equilibrium of another reaction? inital 0.045 HNO2(aq) Equilibrium 0.0043 H3O+(aq) NO2(aq) - no information my first thought was to sqaure root .0043 mol/l

    asked by Tara on November 22, 2012
  75. Math

    You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the auditorium. What type of

    asked by Steve on April 25, 2015
  76. Science

    Describe the plant life, animal life, and geology of the ecosystem in the area in which you live. What populations and communities are present? How dependent is your community on this ecosystem? What are the limiting factors of the ecosystem? How do I find

    asked by Bobby on May 21, 2008
  77. Physics

    A bullet of mass 3.3 10-3 kg moving at 750 m/s impacts with a large fixed block of wood and travels 5 cm before coming to rest. Assuming that the deceleration of the bullet is constant, find the force exerted by the wood on the bullet? I am confused on how

    asked by MeganErin on November 13, 2010
  78. Trig

    a child puts beads on one spoke of a bicycle wheel. the tire has a diameter of 2ft. if the child rides so that the tire makes one full rotation every 15 sec, and the beads begin in the horizontal outward position, find an equation that models the position

    asked by Bailey on October 7, 2013
  79. Physics

    A 95 gram piece of metal is heated to 98°C and placed into 200mL of water insulated at 20°C. If the equilibrium temperature is 27.20, find: The heat gained by the water. calories The specific heat of the metal. cal/(g°C) Hint: 1 mL water has a mass of 1

    asked by Anna on July 9, 2016
  80. physics please help

    A 5.00 kg ball (ball 1), moving to the right at a velocity of +4.00 m/s on a frictionless table, collides head-on with a stationary 7.60 kg ball (ball 2). Find the final velocities of the balls if the collision is as specified below. (a) elastic collision

    asked by joshua on November 7, 2010
  81. algebra

    Taisha uses the elliptical cross-trainer at the gym. Her general goal is to burn 280 calories per workout, but she varies by as much as 25 calories from this amount on any given day. Write and solve an equation to find the maximum and minimum number of

    asked by Briana on August 30, 2012
  82. English

    Mr. peters comes to bed one night and find leita calling out in her sleep. how does this scene reveal her internal conflict? A. in her dream, she is talking of her fear of leaving Mr. peters. B. in her dream, she is afraid and calling for help. C. in her

    asked by nebula🌌 on March 20, 2019
  83. math

    During a scuba drive, Lainey descended to a point 20 feet below the ocean surface. She continued her descent at a rate of 20 feet per minute. Write an inequality you could solve to find the number of minutes she can continue to descend if she does not want

    asked by Anonymous on October 4, 2017
  84. physics

    A 220-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 26.6° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.863, and the log has an

    asked by S on October 1, 2014
  85. mechanics

    A 1200kg fuel tank is cruising at 15m/s and doesn't notice that the 800kg car right in front of it slowed down to 10m/s.the truck runs into the car in a collision that last for 0.25s.the tanker is going at 12m/s after the collision find(a)what force did

    asked by Anonymous on April 2, 2017
  86. physics

    A spring is hung from the ceiling. A 0.536 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.180 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant of

    asked by Anonymous on October 30, 2017
  87. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

    asked by Jon on March 1, 2011
  88. world issues- amazon deforestation

    Hi. I was assigned an essay that I have to get done by 2morrow. It is about Amazon rainforest deforestation. I have to sum everything up into 3 paragraphs. 1st paragraph- tell what's happening here; I already did this. 2nd & 3rd paragraphs- describe how

    asked by Abby on November 16, 2010
  89. physics

    A 60 kg skier with an initial speed of 12 m/s coasts up a 2.5 m high rise that makes a 35 degree angle with the horizontal. If the coefficient of friction between the skis and the snow is .08, find the speed of the skier when he reaches the top of the

    asked by Me on October 9, 2010
  90. chemistry

    A solution is prepared by dissolving 20.2 {\rm mL} of methanol ({\rm{CH}}_3 {\rm{OH}}) in 100.0 {\rm mL} of water at 25 ^\circ {\rm C}. The final volume of the solution is 118 {\rm mL}. The densities of methanol and water at this temperature are 0.782 {\rm

    asked by aa on July 14, 2012
  91. Response to DWRLS

    I am still on this weight and elevation question. w=Cr^2 for r= r= quare root c/w Suppose that an object is 100 pounds at sea level. find the vlaue of C tat makes sense. Sea level is 3963 miles from the center of the earth. Wouldn't this be 100=C/(3963)^2

    asked by Marysvoice on January 29, 2008
  92. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

    asked by Jon on February 28, 2011
  93. PHYSICS

    A spring is hung from the ceiling. A 0.477 -kg block is then attached to the free end of the spring. When released from rest, the block drops 0.153 m before momentarily coming to rest, after which it moves back upward. (a) What is the spring constant of

    asked by Anonymous on November 17, 2015
  94. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

    asked by Jon on February 28, 2011
  95. Statistics

    A typist at a constant speed of 65 words per minute makes a mistake in any particular word with probability 0.06, independently from word to word. Each incorrect word must be corrected, a task which takes 14 seconds per word. Find the mean of the time (in

    asked by Jon on February 28, 2011
  96. physics

    A car is travelling 20m/s along a straight road. The driver sees a 36km/h speed limit sign 100m ahead. What constant retardation is required to reduce the speed to 36km/h in this distance. Find also the time taken by the car to reach the speed limit

    asked by dillip on February 28, 2016
  97. Maths

    a rectangular tank measured internally is 2.5m long,1.5m wide and 0.8m high. how many litres of water are needed to fill the tank? the water in tank is transferred into small cylindrical tanks each of diamter 70cm and height 40 cm. find the number of

    asked by Shehryar on July 8, 2017
  98. algebra

    PLEASE HELP :( Taisha uses the elliptical cross-trainer at the gym. Her general goal is to burn 280 calories per workout, but she varies by as much as 25 calories from this amount on any given day. Write and solve an equation to find the maximum and

    asked by Briana on August 30, 2012
  99. physics

    Two blocks move along a linear path on a nearly frictionless air track. One block, of mass 0.104 kg, initially moves to the right at a speed of 4.70 m/s, while the second block, of mass 0.208 kg, is initially to the left of the first block and moving to

    asked by Anthony on November 29, 2012
  100. Physics

    an ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +13m/s^2. At t1, the rocket engine is shut down and the sled moves with constant velocity v until t2. The total distance traveled by the sled is 5.30*10^3 m

    asked by Anonymous on September 27, 2017

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