1. Physics

    determine the point of zero gravitation force, as measured from the centre of earth (mass 5.97 x 10^24 kg) to the sun ( mass 1.99 x 10^30 kg) if the earth-sun distance is 150 x 10^6 km.

    asked by S on February 13, 2016
  2. math

    This is a matrix question. R is the matrix (3r 1) (s 2s) 1. State, in terms of s and r the determinant of R 2. If r=1/3 and s=4 determine the inverse of R 3.State the pair of r and s not including 0, which would make the matrix R a singular matrix

    asked by lindsay on April 1, 2013
  3. Physics 1

    A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 38.9 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Anonymous on September 18, 2012
  4. math

    first term of the arithmetic sequence is 13. two other terms of the sequence are 37 and 73. common difference is consecutive terms integers. determine all possible values for 100th term.

    asked by Riana on January 2, 2013
  5. Physics

    Consider a particle undergoing positive acceleration. (1) what is the shape of the position-time graph? (2) How do we determine an instantaneous velocity from the position-time graph?

    asked by Nick on October 2, 2011
  6. Advanced C

    The measure of one of the equal angles in an isosceles triangle is twice the measure of the remaining angle. Determine the exact radian measures of the three angles in the triangle.

    asked by Anonymous on October 26, 2009
  7. physical science

    two forces of 60 and 80 newton respectively act simultaneously at the point ...sketch and determine their resultant force using tail to tail method and tail to tail method

    asked by kgahliso mahlaba on January 31, 2017
  8. Physics

    A 53008 lb force is applied to a surface that measures 89 in long and 21 in wide. Determine the pressure exerted on the surface by the force in both psi and Pa. 1 Pa = 1.45×10^-4 psi.

    asked by Cameron on October 14, 2018
  9. Chemistry

    Given the enthalpies of formation for the following substances, determine ƒ´Hrxn for Cl2(g) + C2H2Cl2(g) „_ C2H2Cl4(g) Substance ƒ´H (kJ/mol) Cl2 0 C2H2Cl2 4.27 C2H2Cl4 ¡V155.6

    asked by Stephen on April 8, 2010
  10. Physics

    A 0.30 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 15° with the horizontal. Determine the speed of the stone.

    asked by Emily on October 12, 2011
  11. Algebra

    Can someone help me with this? You have 2 tests with scores of 83 and 92, assuming you can't get a score over 100 on any test. Determine all possible scores you can get to score an average of 90 on all 3 tests. Represent the answer algebraically.

    asked by Sandy on February 26, 2016
  12. Physics

    A body is projected with an initial velocity 300m\s at an angle 60 with the vertical;determine :1.the velocity at the maximum height 2.The maximum height reached

    asked by christian on September 11, 2016
  13. 4th grade math

    Meg's dog Angel eats 4 1/4 c of food each day. Explain how Meg can determine how much food to give Angel if she needs to feed him only 2/3 as much. Need help solving.

    asked by Hayden on March 24, 2010
  14. physics

    At 25°C, sound can travel 100 meters across a football field in 0.29 seconds. Determine the velocity of these sound waves in the direction they travel across the field.

    asked by Anonymous on October 20, 2011
  15. Pre Algebra

    use the discriminant to determine whether the following equations have solutions that are: tow different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. 25x^2=10x-1

    asked by dianne on October 4, 2011
  16. chemistry

    60 cm of hydrogen diffused through a porous membrane in 10 minutes. The same volume of gas G diffused through the same membrane in 37.4 minutes. Determine the relative molecular mass of

    asked by emmanuel on June 30, 2016
  17. calculus

    If the fish population, p, in a lake can be modelled by the function p(t)=15(t^2+30)(t+8), where t is the time, in years , from now. How do I determine the rate of change when the population when there are 5000 fish in the lake?

    asked by Nick on March 5, 2011
  18. Math 111

    Use the discriminant to determine the number and type of solutions for the given equation. Either A, B, C, OR D 2x^2 = 7x - 8 A One (repeated) rational solution B Two irrational solutions C Two imaginary solutions D Two rational solutions

    asked by Anonymous on April 2, 2010
  19. Math

    [Key: /= a fraction bar] Olga ran 5 kilometers in 37 minutes. Which could Olga use to determine m, the number of minutes she would take to run 25 kilometers at this rate? A. 37/5 = 25/m B. 5/m = 25/37 C. 37/5 = m/25 D. 5/m = 37/25

    asked by Mo on January 12, 2015
  20. precalc

    Determine whether the sequence is geometric or arithmetic. Then give the general formula for the nth term of the sequence. 6.1, 6.9, 7.7, 8.5, 9.3,... I think it is Geometric, but i don't know how to find the formula

    asked by Alex on December 5, 2011
  21. Physics

    A ball of mass 8 kg moving with a speed of 2m/s and rebounds with the same speed.Determine the impulse experienced by the ball. (a)20.0kg/m (b)10.0kg/m (c)0.01kg/m (d)1.3kg/m

    asked by Wilsmister on October 26, 2016
  22. Proportion

    A truck has traveled 75 miles in 1.5 hours of driving. At the same speed,which proportion can be used to determine how long,T (in hours),it would take the truck to travel 325 miles?

    asked by Anonymus on October 3, 2016
  23. math

    an observer 1.5meters tall is 20.5 metres away from a tower 22 metres high. determine the angle of elevation of the top of the tower from the eye of the observer

    asked by Anonymous on November 29, 2014
  24. Math

    1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic,

    asked by May on October 9, 2015
  25. EQUVALENT RATIO

    LANDON OWNS A HYBRID SUV THAT CAN TRAVEL 400 MILES ON A 15 GALLONS TANK OF GAS. DETERMINE HOW MANY MILES HE CAN TRAVEL ON 6 GALLONS.

    asked by Regan on January 15, 2014
  26. math

    determine the number of scoops per coneso each of the 88 students at an ice cream party has a different pattern of chocolate and vanilla ice-cream scoops.

    asked by vic on December 10, 2010
  27. Math

    Solve by eliminnation methods 2x-4y=5 2x-4y=6 solve the system by elimination method 5x+2y= -13 7x-3y=17 Solve x+64 Determine whether the given numbers are solutions of the inequality 8,-10,-18,-3 y-8>2y-3 Solve by the substitutioj method 2m+n=9 m-5n=10

    asked by jay jay on July 14, 2008
  28. math

    The sum of the first 10 term of an arithmetic sequence is 145 and the sum of the fourth and ninth term is five times the third term. Determine the first term and constant difference.

    asked by matso on February 1, 2015
  29. Calculus

    The cost of producing commodity is C(X)=3X^2+4X+8 dollars.If the price is P(X)=(50-X) dollars per unit,determine the level of production that maximizes the profit. ---------- What is the level of production.

    asked by Omar E on December 17, 2016
  30. maths

    an observer 1.5meters tall is 20.5 metres away from a tower 22 metres high. determine the angle of elevation of the top of the tower from the eye of the observer

    asked by Anonymous on November 29, 2014
  31. physics

    A bomb dropped from a balloon reaches the ground in 30seconds.Determine the height of the balloon if it is ascending with a speed of 100cm^-1 when the bomb is dropped.

    asked by Darlington on April 5, 2017
  32. Intermediate Algebra

    For the quadratic equation y=(x-3)^2-2. Determine: A) whether the graph opens up or down; B) the y-intercept; C)the x-intercepts; D) the points of the vertex. and D) graph the equation with at lease 10 pairs of points.

    asked by Anonymous on December 16, 2012
  33. physics

    A concrete slab of mass 400 kg accelerates down a concrete slope inclined at 35°. The u kinetic bn the slab and slope is 0.60. Determine the acceleration of the block.

    asked by Heran on May 13, 2018
  34. Chemistry

    How would you determine the concentration of H+, H2A and MB+ in a solution containing volumes of: H+ 600 microliters H2A 500 microliters MB+ 100 microliters H20 800 microliters

    asked by Cristian on November 18, 2012
  35. CHEM! (SCIENCE) NEED HELP

    Determine the moles of aluminum acetate,AL(C2H3O2)3,that can be made if you do this reaction with 12 moles of acetic acid (C2H3O2H) C2H3O2H+AL(OH)3->AL(C2H3O2)3+3H2O

    asked by tyneisha on January 24, 2013
  36. Intermediate Algebra

    For the quadratic equation y=(x-3)^2-2. Determine: A) whether the graph opens up or down; B) the y-intercept; C)the x-intercepts; D) the points of the vertex. and D) graph the equation with at lease 10 pairs of points.

    asked by Anonymous on December 16, 2012
  37. Chemistry

    Determine the energy and n(i) for the spectral line at 121.6 nm (orange). Hint: R(H)=2.18x10^-18 J, c=3.0x10^8, and 1x10^9 nm - 1 m. Line, nm 121.6 E, J ___ n(f) 1 n(i) ___

    asked by Anonymous on September 13, 2015
  38. Physics

    A jetliner is moving at a speed of 270 m/s. The vertical component of the plane's velocity is 39.8 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Katsu on October 19, 2010
  39. chemistry

    Substition reactions in Alkyl Halides. If it is a secondary carbocation I know it can be SN1 or SN2 and the solvent used can help determine which. Is an aprotic solvent SN1 or SN2?

    asked by AMY on November 7, 2007
  40. PHYSICS

    A jetliner is moving at a speed of 305 m/s. The vertical component of the plane's velocity is 47.5 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by veronica on September 15, 2010
  41. physics, how to find the height

    a ball is launched at an angle to the ground with an initial speed of 65m/s. at it's maximum height it has a speed of 26m/s. determine it's maximum height.

    asked by Isabelle on November 27, 2014
  42. PHYSICS!!!!!

    A 950-kg car is initially travelling at 60 km/hr. If the speed increases so that its kinetic energy increases by 165 kJ, determine the final speed of the car.

    asked by baz on April 5, 2015
  43. Physics: Buoyancy

    A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

    asked by Seth on January 27, 2013
  44. ap chemistry

    For propanoic acid (HC3H5O2, Ka = 1.3 10-5), determine the concentration of all species present, the pH, and the percent dissociation of a 0.29 M solution. [H+] [C3H5O2-] [OH -] [HC3H5O2] pH percent dissociation

    asked by Ryu on April 6, 2011
  45. Physics

    A jetliner is moving at a speed of 220 m/s. The vertical component of the plane's velocity is 36.0 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Will on April 1, 2008
  46. Physics

    A jetliner is moving at a speed of 220 m/s. The vertical component of the plane's velocity is 36.0 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Hawkins on April 2, 2008
  47. UCSD

    A jetliner is moving at a speed of 230 m/s. The vertical component of the plane's velocity is 36.4 m/s. Determine the magnitude of the horizontal component of the plane's velocity.

    asked by Jenna on September 24, 2011
  48. Chemistry

    determine how much copper you will use. based on the mass of silver nitrate, calculate how much copper will you need to ensure copper is the excess reactant. you need to use 300% excess copper. Help me please!

    asked by Tabatha on December 7, 2011
  49. Calculus

    Verify if correct. Determine which line is parallel to the line with Cartesian equation 2x +3y + 5=0 a) r=(-1,-1) +s(2,3), seR b) x=3t-1, y=-2t-1, teR c) x=2t-1, 3t-1, teR d) none of the above. I chose D, none of the above because none of them are

    asked by Melissa on April 7, 2012
  50. Math

    For the set of ordered pairs, state the domain, range, and determine whether or not the relation represents a function. (9,9), (7,4), (1,2), (2,6), (5,0) Domain: 9,7,1,2,5 Range: 9, r, 2, 6, 0 It is a function because no x value is repeated

    asked by Please help on September 10, 2014
  51. Physics: Buoyancy

    A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water

    asked by Seth on January 27, 2013
  52. chemistry

    60 cm of hydrogen diffused through a porous membrane in 10 minutes. The same volume of gas G diffused through the same membrane in 37.4 minutes. Determine the relative molecular mass

    asked by obeleze on July 8, 2018
  53. Physics

    On level ground, you stand 21.0m from the base of a tree and determine that the treetop is at 46 degrees above the horizontal, as measured from ground level. How tall is the tree?

    asked by Tig on February 8, 2012
  54. math+ check!

    the following sequence is geometric: 4/3, 4/9, 4/27.... determine the general term, tn and the term t10 so the general term is: (4/3)x (1/3) ^n so the tenth term is: 4/177147 is this correct? thanks! You have one too many factors of three in the

    asked by adam! on October 19, 2006
  55. proportional relationship

    An airplane is flying at an altitude of 4000 feet and descends at a rate of 200 feet per min. Determine whether the altitude is proportional to the # of min.

    asked by Regan on February 4, 2014
  56. CHEM HELP PLZZZZZZZZZZZZZZZZZ

    use the experimental molar mass to determine the molecular formula for ocompounds having the following analysis.b) 54.53% carbon 9.15% hydrogen, and 36.32% oxygen; experimental molar mass 88

    asked by john on March 19, 2008
  57. Math 11u

    A town has a population of 8400 in 1990. Fifteen years later, it's population grew to 12,500. Determine the average annual growth rate of this town's population. Round to the nearest tenth of a percent. (the answer in the book is approx.2.7) thank you for

    asked by Kerry on July 18, 2010
  58. Statics

    A power company takes a random sample of its delinquent account files. For 400 accounts, the average delinquent amount was $239.30 with a standard deviation of $14.52. With 99% probability, determine the maximum error of the estimate for the mean of all

    asked by Heather on December 1, 2012
  59. physics

    A crate of mass 50kg is pulled up a rough inclined plane ,inclined at an angle of 60 degree to the horizontal.determine the total work done in moving the crate to the top of the inclined 200 meter hight.(show workin).

    asked by Julius on February 25, 2013
  60. Chemistry

    The data below was collected while performing a titration of acetic acid (in vinegar) to determine its concentration using sodium hydroxide. 150 ml of vinegar with unknown molarity 45.5 ml of .5 M NaOH was added to reach equivalence point Find the molarity

    asked by Anonymous on May 16, 2016
  61. calculus

    Suppose the revenue (in thousands of dollars) for the sales of 'x' hundred units of an electronic item is given by the function R(x)= 40x^2e^ -0.4x +30. where the maximum capacity of the plant is 800 units. Determine the number of units to produce in order

    asked by kim on April 29, 2018
  62. Physics

    An Atwood's machine consists of masses m1 and m2, and a pulley of negligible mass and friction. Starting from rest, the speed of the two masses is 3.80 m/s at the end of 3.16 s. At that time, the kinetic energy of the system is 77.0 J and each mass has

    asked by devin on February 24, 2011
  63. college chemistry

    A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 4.97 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. in volts, assume a

    asked by jasmin on April 13, 2011
  64. physics

    A black and tackle with a velocity ratio of 5 is used to raise a mass of 25kg through a vertical distance of 40cm at a steady rate.if the effort is equal to 60N, determine a. The distance moved by the effort b. The work done by the effort in lifting the

    asked by abubakar on March 7, 2015
  65. information Leteracy

    To determine the best place to begin your online research, you should first A. identify keywords and search terms. B. settle on a single, concise search term or phrase. C. choose several verbs and modifiers to help define your search. D. formulate your

    asked by Junbhe on January 12, 2013
  66. Chemistry; stoichiometry

    Determine the theoretical yield of silver that is produced if the other product is Copper(II) Nitrate. Copper that reacted: 0.3180 This is what I had: 0.3180g Cu x 1mol Cu/63.5g Cu x 2mol Ag/1mol Cu x 107.87g Ag/1mol Ag = 1.079g Ag (Set up in factor label

    asked by John on December 7, 2014
  67. Science

    4)A student observes dark clouds are surrounding the school and the grass on the playground is wet. The student reasons that it rained. Which scientific skill did the student use to determine that it rained?(1point) Classification Observation Inference

    asked by Gabby on September 12, 2013
  68. science

    a man pushes a lawnmower of mass 50kg at a constant velocity over a horizontal lawn.he exerts a push of 200n on the handle a t angle of 60 to the horizontal..Dertemime the vertical componet of this force and determine the horizontal component of this force

    asked by fulufhelo on March 6, 2013
  69. physics

    A series RCL contains 150 ohm resistor, a 1.75x10^-6F capcitor and inductance of inductor 0.035H and voltage of generator 60.0 Hz. Determine its total impedance. a) 1500 ohm b) 1900 ohm c) 1700 ohm d) 500 ohm e) 300 ohm

    asked by seema on May 4, 2010
  70. Calculus

    A 10-foot section of gutter is made from a 12-inch-wide strip of sheet metal by folding up 4-inch strips on each side so that they make the same angle with the bottom of the gutter. Determine the depth of the gutter that has the greatest carrying capacity.

    asked by Anonymous on February 4, 2016
  71. ETH125

    conduct research to determine if the group colonized or if it immigrated to the United States. Did the group face prejudice, segregation, racism, or any combination of the three? If so, how and Why? Include your research findings in your essay. You may

    asked by michelle on March 20, 2010
  72. physics

    The drawing shows three point charges fixed in place. The charge at the coordinate origin has a value of q1 = +8.50 µC; the other two have identical magnitudes, but opposite signs: q2 = -5.50 µC and q3 = 5.5 µC. (a) Determine the

    asked by Anonymous on March 10, 2017
  73. Vectors

    A mass of 15kg is supsended by 2 cords from a ceiling. the cords have lenghts of 15cm and 20cm, and the distance between the points wheere they are attached on the ceiling ia 25cm. determine the tension in each of the 2 cords. can someone please tell me

    asked by Marge on May 9, 2010
  74. Urgent Science Question!

    A 921kg sports car is moving rightward with a speed of 29.0m/s. The driver suddenly slams on the brakes, causing a 8347N resistive net force and the car skids to a stop. Determine the time it takes to stop the car.

    asked by Tina on November 4, 2014
  75. math

    Gemma has to complete her chores for the week. She must finish 10 hours of chores to receive her allowance. She can work on landscaping for 2 to 8 hours. She can also do laundry for 4 to 6 hours. Determine the graph that correctly represents this system of

    asked by Rick on December 19, 2012
  76. Calculus

    A 10-foot section of gutter is made from a 12-inch-wide strip of sheet metal by folding up 4-inch strips on each side so that they make the same angle with the bottom of the gutter. Determine the depth of the gutter that has the greatest carrying capacity.

    asked by Anonymous on February 4, 2016
  77. english

    2. Compare the two poems "Theme for English B" by Langston Hughes and "Incident" by Countee Cullen. Compare and contrast the tone of these works. Consider both diction and rhetorical devices. Determine which poem speaks more to you. Why? Support your

    asked by regenia on March 16, 2019
  78. physics

    Can anyone help just can figure it out. Multiple Concept Example 9 provides background pertinent to this problem. The magnitudes of the four displacement vectors shown in the drawing are A = 17.0 m, B = 10.0 m, C = 11.0 m, and D = 23.0 m. Determine the (a)

    asked by Lydia on January 30, 2016
  79. SCIENCE

    a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's

    asked by AABBCC on October 25, 2015
  80. AED/222

    •Distinguish the greatest strength and the greatest weakness of the current special educational system in America. · Create a mock case study to define exceptionality, describe its classification criteria and characteristics, determine its prevalence,

    asked by kim on August 14, 2011
  81. english

    think about the work you completed in your reading character role determine the ideas that would be most worthy to share in a literary discussion about dragonwings provide and explanation for your choices how did the rule you selected and the work you

    asked by unknownnnnnnnnnnnnn on May 1, 2017
  82. Psychogy

    1. CheckPoint: Eating—What, When, and How Much • Post a 100-to 150-word response to the following: After reading section 10.3, Factors that Determine What, When, and How Much We Eat, in the text, does your personal experience support these concepts?

    asked by Anonymous on December 16, 2009
  83. Algebra Pythagorean Theorem

    Can you please help me answer these and explain? Please? Determine whether the given lengths can be side lengths of a right triangle. 1) 6ft, 10ft, 12ft 2) 10in, 24in, 26in 3) 20m, 21m, 29m 4) 15cm, 17cm, 21cm 5) 14ft, 22.5ft, 26.5ft 6) 12yd, 35yd, 38yd

    asked by Anonymous on November 1, 2016
  84. SCIENCE

    a geologist working in a national park finds a mineral. he is carrying a kit that contains a penny, a hand lens, a pice of tile, a geologic hamer and a jack knife decribe how the geologist can use these items to determine some of the mineral's

    asked by AABBCC on October 25, 2015
  85. Calculus Grade 12 University

    a total of 8 meters of fencing are going to be used to fence in a rectangular cage for pets and divide it into three smaller cages **the photo that is shown with this question is three (3) boxes stuck together side by side horizontally*** determine the

    asked by Julie on April 12, 2012
  86. Calculus grade 12

    a total of 8 meters of fencing are going to be used to fence in a rectangular cage for pets and divide it into three smaller cages **the photo that is shown with this question is three (3) boxes stuck together side by side horizontally*** determine the

    asked by Julie on April 12, 2012
  87. help!!!

    how would i do this question? Hal invested $2500 at 4 ¾% simple interest. Determine the accumulated amount when he withdrew the investment at the end of 5 years? This site has a great explanation for figuring simple interest.

    asked by Anonymous on July 29, 2006
  88. algebra

    Explain in your own words what it means for an equation to model a real world situation an give an example. -it is right to say that when given a problem, we want to identify the quality of the problem we want to find, translate form word to algebra, and

    asked by lan on November 15, 2011
  89. Physics

    I have already solved 2 out of 3 questions: Your spaceship lands on an unknown planet. To determine the local value of g, you ask a steel-toed crew member to kick a stone, and you find that if she kicks it at 16.0 m/s at various angles, the maximum range

    asked by . on September 17, 2010
  90. physics

    computer-controlled display screens provide drivers in the Indianapolis 500 with a variety of information about how their cars are performing. for instance, as ac car is going through a turn, a speed of 221 mi/h (98.8m/s) and centripetal acceleration of

    asked by bob on October 27, 2016
  91. English

    HELP PLEASE! WILL MEDAL!!!! Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in a literary discussion about the WATSONS GO TO BIRMINGHAM - 1963. Provide an explanation for your

    asked by Hey I know that this question isint about language arts but if you go to connections I need some hel on January 9, 2017
  92. Physics

    A particle starts from the origin at t = 0 with an initial velocity of 4.8m/s along the positive x axis.If the acceleration is (-2.5 i^ + 4.3 j^)m/s2, determine (a)the velocity and (b)position of the particle at the moment it reaches its maximum x

    asked by Jackson on March 28, 2015
  93. Advanced Algebra

    Carmela works at a department store and earns $10.45 per hour. She has $33 removed from every paycheck for medical insurance. If her goal is to earn a gross income of $468.60 in one week, which equation will help Carmela determine the number of hours (h)

    asked by Steve on October 10, 2017
  94. algebra 2

    The MePhone, a new smartphone, is being introduced in the Louisville area. The manufacturer plans to sell 30,000 phones during the first week and expects sales to increase by 8% each week after that find the equation, determine if its aritmetic or

    asked by gab on July 23, 2012
  95. AP Chemistry

    A precipitate is formed by adding 20.0 ml of 0.200M of sodium phosphate to 30.0 ml of 0.50M Copper sulfate. b.) what mass of solid will be formed? c.) Calculate the concentration of each ion in the solution after the precipitation is complete. See the

    asked by Jenna on January 5, 2007
  96. statistics

    Five males with a particular genetic disorder have one child each. the random variable x is the number of children among the five who inherit the genetic disorder. Determine whether the table describes a probability distribution. If it does, find the mean

    asked by slomomo on February 18, 2015
  97. Advanced Algebra

    Carmela works at a department store and earns $10.45 per hour. She has $33 removed from every paycheck for medical insurance. If her goal is to earn a gross income of $468.60 in one week, which equation will help Carmela determine the number of hours (h)

    asked by Steve on October 10, 2017
  98. business statistics

    Your statistics instructor wants you to determine a confindence interval estimate for the mean test score for the next exam. In the past, the test scores have been normally distributed with a mean of 74.2 and a standard deviation of 30.9. A 95% confidence

    asked by Bryant on August 1, 2009
  99. chemistry

    why do you need to construct a calibration curve when doing spectrophotometric determinations? Is it not possible to obtain the concentration of the unknown solution by simply getting the extinction coefficient of the species under study and then determine

    asked by kkk on January 5, 2010
  100. physics

    A block of mass m = 2.00 kg slides down a 30.0° incline which is 3.60 m high. At the bottom, it strikes a block of mass M = 7.20 kg which is at rest on a horizontal surface Determine the speeds of the two blocks after the collision. lighter block =

    asked by Haley on March 24, 2011

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