1. Math/Chemistry

    the atomic mass of an element is the mass, in grams, of one mole (mol), or 6.02 * 10^23. A.) How many atoms are there in 3.5 mol od carbon? B.) If you know that 3.5 mol of carbon weighs 42 grams, what is the atomic mass? C.)Using you answer from (B), find

    asked by Chaney on August 22, 2011
  2. statistics

    there are 7 blue socks,5 red socks,3 green socks and 4 yellow socks in a drawer. 1.find the sample space 2.how many socks should I take out without looking to get a pair of socks 3.what is the probability that the first socks that I draw is red 4.what is

    asked by varghese on November 12, 2016
  3. math please.....help me!!!!!!!!

    the probability of the tigris beating the cougars is 2/3. the probability of the tigris beating the mustang is 1/4. if the tigris play one game with the cougars and one game with the mustangs, find the probability that the tigers. a win both games b lose

    asked by Anonymous on September 27, 2008
  4. physics

    A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. If the darts exit speed is 17 m/s and the length of the blowgun is 1.10 m, find the time the dart

    asked by nancy on October 11, 2015
  5. algebra

    If sally can type a certain number of mailing labels in 6 hours and eric and sue working together can type the same number of mailing lables in 4 hours, find how long it takes eric alone to type the mailing labels.

    asked by Ramie on October 3, 2011
  6. Applied Calculus

    For the average person that is still growing, the rate of change in weight W (in pounds) with respect to height h (in inches) is approximately dW/dh=0.0015h^2 pounds per inch. Suppose that the average person that is 60 inches tall weighs 108 pounds. Find

    asked by Marie on April 20, 2012
  7. math

    average age of 20 men is 50yr.5 new men,whose average age is 40yr,join them.find average age of all men?

    asked by Anonymous on November 28, 2017
  8. Algebra

    Determine whether each function is an example of exponential growth or decay. Then find the y-intercept. a) y = 2(4)^x growth or decay y-intercept: b) y = 3(.25)^x growth or decay y-intercept:

    asked by Aaron on April 9, 2017
  9. Algebra 2

    If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g)

    asked by Samantha on February 1, 2011
  10. mathematics

    there are 5 more girls than boys in a class. if 2 boys join the class, the ratio of girls to boys is 5:4. find the number of girls in the class.

    asked by bright on October 2, 2015
  11. physics

    A non stop bus goes from one station to another at a speed of 54 km/h. The bus returns from the second station to first station at a speed of 36 km/h. Find the average speed of the bus.

    asked by anil on July 3, 2011
  12. sorry left out a "x"

    If f(x)=3^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3^2) - (1/6+x) 3^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand (f/g)

    asked by Samantha on February 1, 2011
  13. Math

    If f(x)=3x^2 g(x)= 1/6+x find the following and give the domain (f+g) (x) (3x^2) + (1/6+x) x is all real numbers and x is not equal to 6 (f-g) (x) (3x^2) - (1/6+x) 3x^2 -6-x x is all real numbers and x is not equal to -6 (f x g) (x) I do not understand

    asked by Samantha on February 1, 2011
  14. PHYSICS PLEASE HELP !!!!!

    A mass of 6 kg is tied to a 2 meter long rope and is swung in a vertical circle. At the bottom of the circle, the mass is moving at a speed of 16 m/s. What is the tension, in Newtons, in the rope after the mass has traveled to a point exactly halfway

    asked by Amanda on October 27, 2011
  15. physics

    A block of mass m = 0.605 kg is fastened to an unstrained horizontal spring whose spring constant is k = 67.5 N/m. The block is given a displacement of +0.120 m, where the + sign indicates that the displacement is along the +x axis, and then released from

    asked by twill on June 8, 2014
  16. mathematics

    two springs and two masses are attached in a straight line on a horizontal frictionless surface. the system is set in motion by given external force f(t) acting on the right hand mass m2. we denoted by x(t)the displacement(to the right) of mass m1 from

    asked by zainab on October 17, 2010
  17. Math

    A plane flies 505 kilometers with a bearing of 316° (clockwise from north) from Naples to Elgin. The plane then flies 770 kilometers from Elgin to Canton (see figure in the link below). Canton is due west of Naples. Find the bearing of the flight from

    asked by anonymous on March 17, 2019
  18. science

    What is considered the main trunk of the respiratory system? Since this is not my area of expertise, I searched Google under the key words "'respiratory system' main trunk" to get these possible sources: http://en.wikipedia.org/wiki/Respiratory_system

    asked by bridget on May 19, 2007
  19. Physics

    Hunting a black hole. Observations of the light from a certain star indicate that it is part of a binary (two-star) system. This visible star has orbital speed v = 270 km/s, orbital period T = 1.6 days, and approximate mass m1 = 6.0Ms, where Ms is the

    asked by kelly on January 2, 2011
  20. Calculus

    Water leaks from a tank at the rate of r(t) gallons per hour. The rate decreased as time passed, and values of the rate at two-hour time intervals are shown in the table below. The total amount of water that leaked out is evaluated by a Riemann sum. Find

    asked by Tim on April 8, 2018
  21. math 12

    I know this is alot to ask but could someone please check to see if I did this right and help me with the transformation. I was given this transformation problem. The cross section of the roof of a house is modelled by the function y= -5\12|x-12|+5, where

    asked by Karrie on March 18, 2010
  22. Statistics

    Are you annoyed with spam e-mail? Suppose a random sample of 200 Kent State students was asked this question of which 80% said that they are annoyed. From the provided information we can find the following: sample percent = 80% (sample proportion = .80)

    asked by Sheri on July 9, 2012
  23. math

    According to the Journal of Irreproducible Results, any obtuse angle is a right angle! Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD with  DAB = x, and  ABC = 90◦, andAD = BC. Say the perpendicular bisector toDC meets

    asked by help on April 1, 2010
  24. algebra 1

    a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle. *write an expression for the area of

    asked by trixie on March 5, 2008
  25. algebra 1...urgent

    a high school wrestling mat must be square with 38-foot sides and contain two circles as shown. suppose the inner circle has a radius of "s" feet and the outer circle's radius is nine feet longer than the inner circle. *write an expression for the area of

    asked by trixie on March 5, 2008
  26. chemistry

    Suppose you are asked to find the area of a rectangle that is 2.1-cm \rm cm wide by 5.6-cm \rm cm long. Your calculator answer would be 11.76 cm 2 \rm cm^2 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not

    asked by Lindsey on August 29, 2013
  27. maths vector

    if a vector+ b vector+ c vector =0, & a vector=3, b=5, c=9, find angle between a & b vector

    asked by Anonymous on March 16, 2013
  28. Maths

    Find the exact value of cos^2(15°)-cos^2(30°)+cos^2(45°)-cos^2(60°)+cos^2(75°)

    asked by Bob on May 9, 2014
  29. Trig

    Algebraically find the value of: 10 cot⁡(cot^(-1)⁡3+cot^(-1)⁡7+cot^(-1)⁡13+cot^(-1)⁡21 )

    asked by Erikhelp on July 30, 2015
  30. Maths - Reiny

    Show that the equation 3x^2 - x^3 + 3 = 0 can be rearranged to give: x = 3 + 3 ---- x^2 x^3 = Divide by ? = x = 3 + 3 ---- x^2 Using Xn+1 = 3 + 3 with x0 = 3.2 ---- x^2n find the values of x1 x2 and x3? What to the values of x1 x2 and x3 represent? The

    asked by Elle on January 3, 2017
  31. 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

    asked by Diana on December 22, 2016
  32. Calculus

    The horizontal position of an object from a point of origin in meters is modeled by the function x(t)= (1+sin(t))/(2+cos(t)) where t is measured in minutes and 0 is less than or equal to t which is less than or equal to 5. A) show that x(t)= (2cos(t)+sin

    asked by Rodger on December 19, 2016
  33. math correction

    Problem#1 Find the length x in each triangle. Express your answer in simplified radical form. Leg 1 = 8 hypotenuse = 10 leg 2 = x My answer is: x = ã27 Problem #2 Geometry. For the home described in exercise 15, if the roof is 7 m from peak to eave and

    asked by jas20 on March 24, 2007
  34. Calculus

    A cable hangs between two poles of equal height and 40 feet apart. At a point on the ground directly under the cable and x feet from the point on the ground halfway between the poles the height of the cable in feet is h(x)=10+(0.4)(x^1.5). The cable weighs

    asked by Robin on October 19, 2013
  35. calculus

    A cable hangs between two poles of equal height and 40 feet apart. At a point on the ground directly under the cable and x feet from the point on the ground halfway between the poles the height of the cable in feet is h(x) = 10+(0.1)*(x^1.5). The cable

    asked by maggie on March 3, 2017
  36. Calculus Help Please

    let f(x)=(x-1)^2, g(x)=e^(-2x), and h(x)=1+ ln(1-2x) find linearization of f, g, and h at a=0 Lf(x)= Lg(x)= Lh(x)= graph f,g, and h, and their linear app. For which function is the linear app. best? for which is the worst? explain. the linear app. appears

    asked by Ahmed on April 2, 2014
  37. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis on October 21, 2012
  38. physics

    a bus is driving through traffic as it makes a number of express stops. the bus drives at a speed of 10 m/s2 for 90 seconds then drives at a speed of 15m/s for 120 seconds before stopping for 30 seconds, then drives at a speed of 5m/s for 60 seconds before

    asked by Edward on July 18, 2011
  39. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis on October 21, 2012
  40. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis on October 21, 2012
  41. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis on October 21, 2012
  42. Algebra 2

    If the point P is on the graph of a function f, find the corresponding point on the graph of a given function. P (0,5) y = f ( x + 2 ) - 1

    asked by Serena on October 28, 2013
  43. Algebra

    Let f(x) =(x+3)/(2x-5) Find the inverse function of f What is the domain of f? What is the domain of the inverse function?

    asked by Crystal on July 29, 2009
  44. Calculus

    Find the particular solution of the differential equation particular solution of the differential equation dy/dx=(x−7)e^(−2y).

    asked by Robin on November 15, 2013
  45. logarithms

    1. if P(t)=3e^2t, for what value does P(t)= 2P(2) 2. Find all x for which the square root of log (x)= log square root of x thanks!!

    asked by Rebekah on December 12, 2012
  46. precalc

    1. if P(t)=3e^2t, for what value does P(t)= 2P(2) 2. Find all x for which the square root of log (x)= log square root of x thanks!!

    asked by Rebekah on December 12, 2012
  47. calculus

    Find the points of inflection. f(x) = e^(-x^2) I need to know step by step how you would get the points of inflection.

    asked by Jan on May 1, 2011
  48. College Algebra

    If the point P is on the graph of a function f, find the corresponding point on the graph of the given function. P(4,9) y=1/3f(1/2x)-1

    asked by Ashton on November 10, 2014
  49. math

    find the greatest common factor of 20,22, and 32. The greatest common factor is?

    asked by ... on August 29, 2018
  50. Math

    A circle whose area is 4 has a radius of x. Find the area of a circle whose radius is 3x.

    asked by Tama on May 26, 2016
  51. math

    When a number is divided by 42 the remainder is 39 and when it is divided by 36 the remainder is 33.find the number.

    asked by Clovis on April 27, 2012
  52. Math Geometry

    the area of a triangle is 1/2 bh find the area of the given triangle: when b=50 inches h= 15 inches

    asked by Kendall on July 24, 2008
  53. maths

    Given that a and b are the roots of the quadratic equation 2x^2 - 4x +3 = 0, find the quadratic equation in x with roots a^2-(1/b) and b^2-(1/a).

    asked by Jayden Haddy on August 15, 2013
  54. English Comp.

    Please check for error. If there are errors please state them at the end of essay, so that I will know what you change. Thank you!! Neat vs. Sloppy Many people will concerned themselves to be a very neat person, but are they really neat or sloppy? Often,

    asked by Betty on July 12, 2009
  55. Calc

    Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 How do I simplify this so I can take the derivative For Further Reading * Calc - Michael, Sunday, November 25, 2007 at 4:17pm Profit=p(-p^2+33p+9)-9(-p^2+33p+9)+100 p(-p^2 + 33p + 9) Just distribute the p in. -9(-p^2

    asked by Ben on November 25, 2007
  56. Damon or DrBob please help..chemistry/physics

    Question: 0.37 litre of an ideal monatomic gas (Cv,m = 3R/2) initially at 51 °C and 36 atm pressure undergo an expansion against a constant external pressure of 1.06 atm, and do 2.3 kJ of work. The final pressure of the gas is 1.06 atm. Calculate the

    asked by Ashley on January 22, 2016
  57. chemistry lab (college level)

    So, this is going to be more like 2 or 3 questions. Here goes. First, what is the net-ionic reaction for Fe (III) + K4Fe(CN)6 be? I've been agonizing over this for HOURS with no answer in sight. (I don't even know what to put down as a product!) Second,

    asked by Tichele on April 9, 2011
  58. Chemistry (PLZ HELP)

    Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties similar to ammonia and will act as a weak base. Given that a 100 mL sample of 0.10 mol/L hydrazine solution has a pH of 10.55 at

    asked by Emily on May 23, 2018
  59. algebra- FINAL UNIT!!

    Hi! My name is Jason, I needed help studying for tomorrow's test. The exam is on number problems. EX. One positive number is 4 times another. IF 240 is divided by each number, the greater quotient exceeds the lesser by 15. Find the two numbers. Also, there

    asked by Jason on May 20, 2008
  60. Chemistry

    Hydrazine, N2H4(aq), is used in the preparation of polymers, pharmaceuticals and rocket fuel. Hydrazine has alkaline properties similar to ammonia and will act as a weak base. Given that a 100 mL sample of 0.10 mol/L hydrazine solution has a pH of 10.55 at

    asked by Emily on May 23, 2018
  61. chemistry-help!

    The initial rate of reaction for H2O2(aq) H2O (l) 1/2 O2 (g) is found to be 1.7x10(-3)M/s. Assume that this rate holds for 2 minutes. Start with 160ml of 1.60 M H2O2. How many milliliters of O2 measured at 24C and 760mmHg , are released from solution in

    asked by Matt on November 21, 2011
  62. Calculus

    Hi! My question is: Given that f is a function defined by f(x) = (2x - 2) / (x^2 +x - 2) a) For what values of x is f(x) discontinuous? b) At each point of discontinuity found in part a, determine whether f(x) has a limit and, if so give the value of the

    asked by Hillary on September 24, 2009
  63. Physics

    A block is connected between two springs on a frictionless horizontally level track. The other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track. The spring constant for one spring is k = 100N/m and the mass of

    asked by Bobby on April 4, 2007
  64. Precalculus

    The quarterback of a football team releases a pass at a height of 7 feet above the playing field, and the football is caught at a height of 4 feet, 30 yards directly downfield. The pass is released at an angle of 35 degrees with the horizontal. The

    asked by Brittany on April 21, 2014
  65. Math: Trig

    to determine the height of a pole across a road, Justin takes two measurments. he stands at Point A directly across from the bass of the pole and determines that the angle of elevation to the top of the pole is 15.3 degrees. he then walks 30m parallel to

    asked by Frany on December 11, 2011
  66. science

    this is a follow up question from my last one with the exact question If you dissolve 200 g of salt in 20 l of water, what is the density of that solution of salty water? Hint: In this particular example, assume that the total volume doesn’t change when

    asked by dean on February 25, 2017
  67. general physics

    An automobile has a mass of 1520 kg and a velocity of 19.7 m/s. It makes a rear-end collision with a stationary car whose mass is 2230 kg. The cars lock bumpers and skid off together with the wheels locked. (a) What is the velocity of the two cars just

    asked by ODU on July 22, 2013
  68. general physics

    An automobile has a mass of 1520 kg and a velocity of 19.7 m/s. It makes a rear-end collision with a stationary car whose mass is 2230 kg. The cars lock bumpers and skid off together with the wheels locked. (a) What is the velocity of the two cars just

    asked by tcc on July 25, 2013
  69. physics

    A block (mass = 2.9 kg) is hanging from a massless cord that is wrapped around a pulley (moment of inertia = 1.2 x 10-3 kg·m2), as the figure shows. Initially the pulley is prevented from rotating and the block is stationary. Then, the pulley is allowed

    asked by danica on November 3, 2010
  70. Physics

    A piece of putty is initially located at point A on the rim of a grinding wheel rotating about a horizontal axis. The putty is dislodged from point A when the diameter through A is horizontal. The putty then rises vertically and returns to A the instant

    asked by Jessi on February 17, 2009
  71. math

    Reading readiness of preschoolers from an impoverished neighborhood (n = 20) was measured using a standardized test. Nationally, the mean on this test for preschoolers is 30.9, with s = 2.08. a.Children below the 30th percentile are in need of special

    asked by Elizabeth on September 3, 2010
  72. Physics

    The cable of an elevator of mass M = 1020 kg snaps when the elevator is at rest at one of the floors of a skyscraper. At this point the elevator is a distance d = 18.4 m above a cushioning spring whose spring constant is k = 6500 N/m. A safety device

    asked by Elle on October 27, 2007
  73. Physics

    The cable of an elevator of mass M = 1020 kg snaps when the elevator is at rest at one of the floors of a skyscraper. At this point the elevator is a distance d = 18.4 m above a cushioning spring whose spring constant is k = 6500 N/m. A safety device

    asked by Elle on October 27, 2007
  74. English

    Where was the planning of d-day at? I mean where were the Americans, Canadians, and British meeting, to discuss the plannings of d-day? Thank you for using the Jiskha Homework Help Forum. There was a great deal of planning and the first planned date was

    asked by John on June 7, 2007
  75. Information MGT

    Name one emerging technology that is helping create new business opportunities and/or helping enhance or better already existing business environments. After studying computers, then switching fields, I find it hard to answer this question since technology

    asked by Ms Brown on March 29, 2007
  76. "My Antonia"

    A new critc reading "My Antonia" would find many components worth consideration, like Cather's lush descriptions of the prarie and vivid portrayls of living with only the barest essential. Wite a formal paragraph to this question- Analyze the importance of

    asked by tia on January 10, 2007
  77. Math

    I need to know for a project I am doing in math right now, where I can find the reason in life why we learn about Networking/Topograph. I've looked up definitions and the people who invented equations for it but we need to answer why we learn it in school

    asked by Julia on May 23, 2007
  78. BIOLOGY

    The springtail is a very common small insect that lives in rotten logs, rich soil, and other humid places. Its cuticle is water repelling (hydrophobic) except for a strange organ, the collophore, on its ventral side. Because it lacks the excretory organs

    asked by CHARLOTTE on September 30, 2009
  79. Plz Check my Geometry(sOo0n)

    Out of 31 questions these are ones I struggled with. after the = sign is what I think the answer( except for #4, I don't know what to do at all), is so if I'm wrong can someone correct it with an explanation/formula with it please? 1.) Find the area of the

    asked by Ariel on June 10, 2010
  80. English help

    "The wagon turned and crawled out the entrance" is an example of personification. What is the impact of using this method? A. It implies that the fixer does not want to leave. B. It shows that the fixer is very fond of his wagon. C. It helps the reader

    asked by Cassie on January 31, 2014
  81. Plz Check my Geometry(sOo0n)

    Out of 31 questions these are ones I struggled with. after the = sign is what I think the answer( except for #4, I don't know what to do at all), is so if I'm wrong can someone correct it with an explanation/formula with it please? 1.) Find the area of the

    asked by Ariel on June 10, 2010
  82. MATH

    Arrange each sets of units in order from shortest to longest: m,cm,mm,km ft,mi,in,yd Do you have a set of tables in your text or notes? For example, can you look in your tables and find 5,280 ft = 1 mile. So you know miles is a larger unit than feet. Do

    asked by Jillian on March 11, 2007
  83. chemistry electron config

    I need to know the predicted and actual electron configuration for Lanthanum I know for lets say Cr the predicted config is [Ar] 3d44s2 and the actual is [Ar]3d54s1 but lanthanum is different and i don't know how to do it. Any help? You can find the actual

    asked by Mike on April 2, 2007
  84. Chemistry

    I'm trying to find the solubility of Ca(OH)2 in .0125 mol/L aqueous NaOH. Here is my data: Vol of solution used per titration: 20mL Conc of HCl: .1201 mol/L Average Titre: 4.71 I need to calculte: 1. the TOTAL [OH-] in the saturated solution of Ca(OH)2 in

    asked by Kristin on April 14, 2010
  85. Introduction to the Criminal Justice System

    How does constitutional law affect the development of the criminal code? (What I have)is research on: I have researched the constitutional law and the criminal code, but I can not find where the constitutional law affects the criminal code. For one, the

    asked by Jo Ann on November 11, 2006
  86. Math

    A flock of geese on a pond was being observed continuously. At 1:00pm, 1/5 of the geese flew away. At 2:00pm, 1/8 of the geese that remained flew away. At 3:00pm, 3 times as many geese has had flown away at 1:00pm flew away, leaving 28 geese on the pond.

    asked by Ginny on May 6, 2019
  87. College Algebra

    A person who is 6 feet tall walks away from flagpole toward the tip of the shadow of the flagpole. When the person is 30 feet from the flagpole, the tips of the person's shadow and the shadow cast by the flagpole coincide at a point 5 feet in front of the

    asked by Brittany on November 25, 2007
  88. physics

    Displacement vectors A, B, and C add up to a total of zero. Vector A has a magnitude of 1550 m and a direction of 22.9° north of east. Vector B has a direction of 41.0° east of south, and vector C has a direction of 35.2° north of west. Find the

    asked by mathew on October 30, 2014
  89. math statistics

    For each probability and percentile problem, draw the picture. A random number generator picks a number from 1 to 9 in a uniform manner. 1) Give the distribution of X. X = 2) Enter an exact number as an integer, fraction, or decimal. f(x) = where 3) Enter

    asked by lora on July 15, 2012
  90. Discrete Math

    I was hoping if you could help me to solve this problem. Thank you. A department wants to schedule final exams so that no student has more than one exam on any given day. There are 7 vertices of degrees 3,3,4,4,4,5,6 which show the courses that are being

    asked by yengiang on April 22, 2011
  91. math

    Can someone please explain this to me I'm having a hard time solving it I don't get it. Thanks Suppose a basketball player is an excellent free throw shooter and makes 91% of his free throws (i.e.,he has a 91% free chance of making a single free throw).

    asked by amy on July 24, 2009
  92. Math

    The position of a car piston within the cylinder is described by the equation: y = S sin(360 r t - 90 Where S is the stroke length of the cylinder, r is the rpm of the crank shaft, and t is the time in minutes. If the stroke length is 2 inches and the

    asked by jof on March 30, 2012
  93. Calculus 2

    Consider a trough with triangular ends where the tank is 10 feet long, top is 5 feet wide, and the tank is 4 feet deep. Say that the trough is full to within 1 foot of the top with water of weight density 62.4 pounds/ft^3, and pump is used to empty the

    asked by Lauren on February 23, 2015
  94. Physics

    The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.025 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.060 kg and is initially at rest. The

    asked by Sam on October 23, 2012
  95. Physics

    A map suggests that Atlanta is 730 miles in a direction 5.00° north of east from Dallas. The same map shows that Chicago is 560 miles in a direction 21.0° west of north from Atlanta. The figure below shows the location of these three cities. Modeling the

    asked by <3 on September 15, 2013
  96. statistics

    Many companies today have a mandatory drug testing policy for their employees. To minimize the cost of testing, sample from 6 people are combined. If the mixture tests negative then all 6 individual employees are also negative. Find the probabilty of a

    asked by Anonymous on March 9, 2011
  97. algebra

    The airline cost for x passengers, measured in thousands of passengers, to travel round trip from New York to Atlanta is given by c(x)=^0.3x+1 where (c)x is measured in millions of dollars and x>0 Find the airline’s cost for 10,000 passengers (remember,

    asked by ayoma on August 10, 2016
  98. Math

    For some of these I think I have the right answer but I need a second opinion, Thanks :) (1). 223.7 km=_m. A} 223,700 ***(I multiplied by 100) B} 22,370 C} 22.370 D} 0.2237 (2).Write the metric unit that makes the statement true. 3.219m=3,219___

    asked by Bad at math23 on December 5, 2018
  99. I a SWAA

    What does the brain teaser I a SWAA mean? Thanks. http://www.swaainternational.org/ (Society for Women and AIDS in Africe) Sudanese Women Artists Association|Welcome (Sudanese Women Artists Association) Social Welfare Action Alliance

    asked by Sarah on June 11, 2006
  100. math ( CHECK MY WORK)

    1. on 3 tests, a student scored a total of 258 points. if the student improved his performance on each test by 5 points, what was the score on each test a. 81,86,91 b. 80,85,90 c. 75,80,85 d. 70,75,80 is the correct answer A. 2. an item costs x dollars.

    asked by Sara! on May 24, 2010

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