cole

Newest questions posted by cole
  1. Math

    Create a word problem system of equation that has an answer x=1.25 and y= 2.75.
  2. Math

    Create a word problem system of equation that has an answer x=1.25 and y= 2.75.
  3. history......Mrs. Sue

    How did glasnost contribute to the break-up of the soviet Union? A. restructuring the economy led to a change in the political structure*** B. by allowing citizens more freedom to travel people could see what they were missing C. due to cuts in military
  4. algebra

    Write a compound inequality that represents the following phrase. Graph the solutions. all real numbers that are between negative 7 and 4
  5. Social Studies

    Which of the following was among President Wilson’s Fourteen Points? A disarm all major powers B form a league of nations ** C create an alliance with Germany D make all European country learn their lesson What was the main purpose of President
  6. physics

    One method for measuring the speed of sound uses standing waves. A cylindrical tube is open at both ends, and one end admits sound from a tuning fork. A movable plunger is inserted into the other end at a distance L from the end of the tube where the
  7. Social Studies

    I am tired of fighting . . . It is cold and we have no blankets. The little children are freezing to death. My people, some of them, have run away to the hills and have no blankets, no food. No one knows where they are—perhaps freezing to death. I want
  8. Chemistry

    how would ypu prepare 80.00mL of a 7.5% solution of MgSO4 7H2O using solid MgSO4 7H2O and water?
  9. Social Studies

    Why was President Lincoln unable to persuade Congress to accept his Reconstruction plan? A.
  10. Math

    Kalibasib runs 12.0 m east and then 28.0 m in a direction 30.0 degrees east of north. How far is Kalibasib from the starting point?
  11. Writing

    I have given a expository essay to wire about time travel to visit past or future. I decided to go past to experience Revolutionary War. Now I am stuck with 2 strong reasons. Could someone help me on this please. Thank you for your help.
  12. Math

    Kyle has 2 shelves in his bookcase.he puts 2 books on the top shelf and 1 book on the bottom shelf. Are kyle books in an array?
  13. geometry

    The summit of Mount Everest is approximately 29,035 ft above sea level. What is the distance from the summit to the horizon, rounded to the nearest mile? Assume that the distance from the Earth's center to any point on Earth's surface is 4,000 miles. How
  14. math

    Help? The summit of Mount Everest is approximately 29,035 ft above sea level. What is the distance from the summit to the horizon, rounded to the nearest mile? Assume that the distance from the Earth's center to any point on Earth's surface is 4,000 miles.
  15. Chemistry

    Are any of these molecules aromatic? If so, why? 1. C5PH5 2. [C4N2H5]- 3. [C4B2H]2- 4. [P5]- 5. [C7H7]+ 6. [C4NH5]- 7. [C8H8]2-
  16. Math

    If Susie walks 2 mph and Bobby walks 3 mph and the walk from their house is 4 miles, how long does it take for each of them to get there?
  17. Physical Chemistry

    Calculate the work, w, (in J) when 0.6 litre of an ideal gas at an initial pressure of 91.5 atm is expanded isothermally to a final pressure of 2.15 atm against a constant external pressure of 2.15 atm. I got -130.71 J, but apparently it is wrong. Help is
  18. SS

    18. Describe the economic and political differences between the Up Country and the Low Country. How do these differences lead to tension between the two groups?
  19. chemistry

    Determine if the following reaction is spontaneous under standard conditions. Zn(s) + 4 CN¡V(aq) + Ag2CrO4(s) „³ Zn(CN)42¡V(aq) + 2 Ag(s) + CrO42¡V(aq)
  20. 9th grade

    32/4=b+4/3
  21. chemistry

    Find the volume of a 2.5 M solution of sulfuric acid required to prepare 300.0 mL of 0.1 N solution of sulfuric acid
  22. Math

    give 2 examples of mixed numbers that when multiplied by 3/4 give a product between 3/4 and 1. my mom knows what numbers to use but isn't sure how to explain to me how to calculate them. Can you explain to me the way to calculate the answer? Thank you
  23. Economics

    When XYZ firm entered the market for good two years back, it kept the price of its product low to attract customers away from its leading competitor. The firm has now established itself and has a market share of 20 percent. The management of XYZ is is
  24. Economics

    Suppose the price elasticity of demand for a novel translated into English is perfectly inelastic. Assume the initial price of the novel is $24 and the quantity demanded is 222 copies per year. If the price of the novel increases by $3, then the quantity
  25. Finance

    You want to buy a share of Acme Corp. stock. Your on-line broker shows a bid price of $30, and has a bid-ask spread of $.50. Assuming you buy “at the market” (i.e., at the prices currently quoted) how much will you pay for a share of the stock? How
  26. Economics

    Elesha babysits on the weekends for extra money. Suppose that three neighbors with children are interested in paying Elesha to babysit their children. In particular, Dr. and Mrs. Brown would be willing to pay $30 to have Elesha babysit their children, Mrs.
  27. math

    Two investments totaling $23,500 produce an annual income of $795. One investment yields 2% per year, while the other yields 7% per year. How much is invested at each rate?
  28. Economics

    Two firms produce the same good and compete against each other in a Cournot market. The market demand for their product is P = 204 - 4Q, and each firm has a constant marginal cost of $12 per unit. MR1 = 204 - 8q1 - 4q2. Let q1 be the output produced by
  29. Math

    Given an iterated map, ie. x_n+1 = 3* x_n / (x_n +1), how do we find all of its fixed points?
  30. Genetics

    A pepper plant is heterozygous for a mutant allele of the gene encoding the CaSGR enzyme (one allele is wild type and the other is mutant). The mutant allele differs from the wild type one in that it lacks a large part of the promoter sequence. Predict the
  31. biology

    A pepper plant is heterozygous for a mutant allele of the gene encoding the CaSGR enzyme (one allele is wild type and the other is mutant). The mutant allele differs from the wild type one in that it lacks a large part of the promoter sequence. Predict the
  32. Calculus

    Find the volume of the solid obtained by rotating the region bounded by y=8x+24, y=0 about the y-axis.
  33. Math

    On the moon the acceleration due to gravity is 5 ft/sec2. An astronaut jumps into the air with an initial upward velocity of 8 ft/sec. How high does she/he go? How long is the astronaut off the ground?
  34. chemistry

    If ∆G˚= -190.60 kJ of the reaction H2+Cl2 2HCl , what is the ∆G at -10.5˚C of the system if the pressure of H2=3.2atm and the pressure of Cl2=9.7atm and the pressure of HCl= 7.65atm ?
  35. Chemistry

    For the following reaction 2NO2 -> 2NO +O2 is second order reaction. If the initial concentration of NO2 is 0.098M and the initial rate of disappearance is 2.72e-3 M/sec , what is the value of the rate constant?
  36. Chemistry

    The following reaction has ΔG° = -190.60 kJ: H2(g) + Cl2(g) ⇌ 2 HCl (g) All three gases are placed in a sealed vessel. What is the ΔG at -10.5 °C of the system if the pressure of H2 is 3.2 atm, the pressure of Cl2 is 9.7 atm, and the pressure of HCl
  37. Math

    A stone was dropped off a cliff and hit the ground with a speed of 120 ft/s. Using the fact that acceleration due to gravity is −32ft/s2, what is the height (in feet) of the cliff?
  38. Chemistry

    The pH of a 25.0 mL sample of a buffer changed by one unit when 4.19 mL of 0.24 M HCl was added to it. What is the acid buffer capacity of this buffer?
  39. LA

    Which word in the following sentence is an adverb? Teresa smiled brightly as she and her younger brother looked for shiny shells on the sandy beach. (1 point) smiled brightly shiny sandy don't know adverbs well but I think it is sandy
  40. algebra

    Dilbert needs to mix a 10% alcohol solution with a 30% alcohol solution to create 100 millileters of a 16% solution. How many millileters of each solution must Dilbert use?
  41. Language Art Novel

    Which of the following statements most accurately reflects the political climate in Boston in 1773? a. Most people in Boston were Tories who remained loyal to England and believed the Whigs were needlessly stirring up trouble. b. The Whigs were a vocal
  42. Algebra

    Is (5v+2) + 14x = 5v + (2+14x) an example of associative property of addition? My answer is yes
  43. Algebra

    r * 1 = r is an example of what kind of property of multiplication?
  44. Algebra

    How many square feet of grass are there on a trapezoidal field with a height of 75 feet and bases of 125 feet and 81 feet. I know the formula is A = h( b + b) / 2 A = 75 ( 125 + 81) / 2 A = 75 ( 206 ) /2 OK, my question is do you divide the 206 by 2 and
  45. Earth Science

    A scientific hypothesis can become a theory if? a- the entire scientific community accepts it b- the hypothesis is tested extensively and competing hypothesis are eliminated c- there are no other competing hypothesis d- the hypothesis can be tested at
  46. Algebra

    How many square feet of grass are there on a trapezoidal field with a height of 75 feet and bases of 125 feet and 81 feet. I know the formula is A = h( b + b) / 2 A = 75 ( 125 + 81) / 2 A = 75 ( 206 ) /2
  47. Algebra

    Simplify the expression 4 squared + 8 /2 My answer is 12
  48. Algebra

    Write a word phrase for the Algebraic expression 3x - 7 My answer is the difference of 3 times a number x and 7
  49. Earth Science

    what is the driving force for the movement of the lithospheric plates? a- heat from the sun b- unequal distribution of heat within Earth c- heat in the atmosphere d- unequal distribution of heat from the oceans My answer is B
  50. Algebra

    simplify 5+4 times (8-6) squared
  51. Algebra

    Simplify 5 squared -4 over 5 + 2
  52. Algebra

    Simplify (0.4) cubed
  53. fractions

    usually takes tom 3/4 of an hour to drive to work. one day, due to flooding of the road, it took him 1 1/2 hours longer. how long did the journey take him?
  54. math

    Having a hard time with equal and groups.. 13 into 6 groups and what is left over..
  55. algebra

    A man tosses a penny up into the air above a 100 ft well with a velocity of 5 ft/sec. The penny leaves his hand at a height of 4 ft. How long will it take for the penny to reach the bottom of the well?
  56. Physics

    Example 1: (Rock A) is thrown against a larger stationary rock(Rock B). considering the following possibilities... 1. Rock A bounces off of Rock B 2. Rock A splits into two pieces off of Rock B 3. Rock A explodes into many pieces off of Rock B What factors
  57. Math

    Use a power of ten to estimate the product 52.6 x 9
  58. Math

    Find the area shared by the cardioids r=6(1+cos(theta)) and r=6(1-cos(theta))
  59. Math

    Find the area inside the lemniscate r^2=150cos(2theta) and outside the circle r=5sqrt(3). Please I really need help.
  60. Calculus

    By recognizing each series below as a Taylor series evaluated at a particular value of x, find the sum of each convergent series. A) 1+5 + (5^2)/(2!)+(5^3)/(3!)+(5^4)/(4!)+...+ (5^k)/(k!)+...= B)
  61. Geometery

    Trapezoid. A = (5+4) x 11/2 = 49.5 Long side is 11 in. bottom base is 4 in Correct? Or you need more info?
  62. Geometery

    Composite figure finding area. Is this right my answer I came out with is 323.5 cm? Rectangle: A=22cm x 17cm = 374 (Long side is 22cm, Width is 17cm.) Triangle: A = 1/2 x b x h A = 1/2 x 19cm ( no height given) So then, I added the rectangle and trinagle
  63. Newton's Laws

    1. An 1760 kg car is moving to the right at a constant velocity of 2.94 m/s. (a) What is the net force on the car? (b) What would be the net force on the car if it were moving to the left? 2.A freight train has a mass of 6 107 kg. If the locomotive can
  64. reading

    Bob Pennons the cowboy. Make inferences. How to do.
  65. calculus

    Find dy/dx by implicit differentiation. x^4 + x^3y + 4y^2 = 7 x cos y + y cos x = 1
  66. math

    a bag has 57 blue and green marbles. there are 13 more blue marbles than green marbles. How many blue and green marbles are in the bag
  67. math

    girl is 6 feet tall and a pine tree next to her is 42 feet tall and casts a shadow that is 28 feet. how long is the girls shadow
  68. Precalculus

    I have a diagram that has 4 rectangular corrals joined together and a barn above it. Fencing is not needed along the back wall of the barn. The perimeter is 200 ft and the question asks... If each corral is 16 ft. long (front to back) how wide will each
  69. Precalculus

    Combined area of 1680ft^2 for 4 identical rectangular corrals. Corrals are joined together and no fencing at the back wall of the barn. 200=5d+4w 1680=4dw What length will produce the maximum area? d=12 The dimensions of each corral (lxw) is 12'x35' What
  70. Precalculus

    There are 4 rectangular corrals of identical dimensions along the back wall of an existing barn using 200 ft of fencing. The diagram has 4 rectangular corrals attached together but fencing is not needed on the back wall of the barn. The barn is above the 4
  71. Precalculus

    The owner of a horse stable wishes to set up 4 rectangular corrals of identical dimensions along the back wall of an existing barn using 200 ft of fencing. The sides of each corral will be attached to the barn, fencing is not needed along the back wall.
  72. physics

    What is the maximum speed (in meters/second) with which a 1300 kg car can round a turn of radius 700 m on a flat road, if the coefficent of friction between tires and road is 0.530 ?
  73. physics

    A 8.0 kg object, moving with a constant velocity of 8.0 m/s, is acted upon by a force of 14 N in the direction of the motion for 6.0 s. What is the velocity (in meters/second) of the object at the end of this time?
  74. thermochem

    A meal is 8000kJ. If all the energy is converted to heat, how much iced water with a temperature of 0 degrees must a person drink to maintain body temperature of 37 degrees? How do I solve this - using the fact that 1mL water by 1 degree is 4.2Joules? Heat
  75. math

    In division, what does it mean to decide to drop, include or use the remainder? Ex: You decide to hang shelves. Each shelf needs 4 brackets. You have 23 brackets. How many shelves can you hang/ What do you do with the remainder, drop, include or use and
  76. math

    what do hitch hikers do when scholl lets out
  77. Alg 1 quadratic functions

    A baseball player hits a baseball into the outfield. The equation h= -0.005x^2 +x+3 give the path of the ball, where (h) is the height and (x) is the horizontal distance the ball travels. A. What is the equation of the axis of symmetry? It's -100 right? B.
  78. Alg 1

    I'm doing quadratic equations x^2 +bx+c =0.I'm supposed to factor each polynomial. I know how to questions like x^2 +8x +12 =0 but this one says, j^2-9jk-10k^2. I'm confused
  79. Chemistry

    Consider the following unbalanced reaction. P4(s) + F2(g) PF3(g) What mass of F2 is needed to produce 212 g of PF3 if the reaction has a 84.2% yield?
  80. mesqite high school

    Is this sentence punctuated correctly? The oil from Eucalyptus trees which are native, to Australia is known for its medicinal properties
  81. geometry

    if the measure of angle 1 is 6n+1 and of angle 4 is 4n+19 what is the measure of angle 2 ?
  82. stats

    In a gallup poll of 1,038 adults, 540 saif that second hand smoke is very harmful. What is the percentage of adults who said second hand smoke is very harmful?
  83. History

    What were the 5 steps in Indiana becoming a state
  84. Physics

    a 1.75kg pistol lies at rest on an essentially frictionless bench. it accidentally fires and shoots a 25 gram bullet parallel to the bench. How far has the bullet moved by the time the gun has recoiled 2.60mm?
  85. Physics

    a carton of eggs sits on the horizontal seat of a car as the car rounds a 26 meter radius bend at 16.5m/s. what is the minimum coefficient of friction that must exist between the carton and the seat if the eggs are not to slip?
  86. Physics

    a 800 gram ball at the end of a cord is whirled in an almost horizontal circle of radius 1.50 meters. its tangential speed in the circle is 10 meters per second. What must be the tension in the cord? What angle does the cord make with the horizontal?
  87. math

    Hector owns science fiction novels, coming c books, and mystery novels. He has half as many science fiction novels as comic books and he has three times as many mystery novels as comic books. If he owns a totals of 54 books how many of those book are
  88. Physics

    a small body of mass m revolving in a horizontal circle with velocity V of a constant magnitude at the end of a cord of length L. As the body swings around its path, the cord sweeps over the surface of a cone. The cord makes an angle è with the vertical,
  89. Physics

    A pendulum oscillates at a frequency of 2 cycles per second. At t = 0 it is released starting at an angle of 20°C. Ignoring friction what will be the position (angle) of the pendulum at a. t = 0.25 sec b. t = 1.6 sec c. t = 5.0 sec
  90. physics

    what is the maximum acceleration equation?
  91. physics

    Consider the 45 N weight held by two cables shown below. The left-hand cable is horizon- tal. a) What is the tension in the cable slanted at an angle of 50? Answer in units of N. 007 (part 2 of 2) 10.0 points b)What is the tension in the horizontal cable?
  92. physics

    A block weighing 6.8 N requires a force of 2.9 N to push it along at constant velocity. What is the coefficient of friction for the surface?
  93. Physics

    A model rocket builder has constructed a rocket of total mass of 1.0kg. The rocket must achieve a speed of 300m/s 5seconds after vertically leaving the launch pad. A) What acceleration and net force is required? B) What thrust must the motor have to
  94. science

    name two ways mountains can effect the climate of an area
  95. Physics 11

    How much would a 80kg astronaut weigh on Earth? How much would they weigh 500 km above the surface of the Earth? Thank you!
  96. Science

    A revolutionary war cannon, with a mass of 2170 kg, fires a 18.1 kg ball horizontally. The cannonball has a speed of 146 m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to roll horizontally. What is the speed of the
  97. math

    one of the equal sides of an isoceles triangle is 3m less than twice its base. The perimeter is 44m. Find the length of the sides. The teacher gave us the answer of 17m for the two sides and 10 for the base. What formula did he use to find this.
  98. Physics

    An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.9 s. A passenger in the elevator is holding a 5.3 kg bundle at the end of a vertical cord. The acceleration of gravity is 9.8 m/s2 . What is the tension in the
  99. physics

    Consider the 692 N weight held by two cables shown below. The left-hand cable had tension T and makes an angle of θ with the wall. The right-hand cable had tension 760 N and makes an angle of 40◦ with the ceiling. a) What is the tension T in the
  100. ALG II - Probability

    Owners of a restaurant advertise that they offer 1,114,095 diff lunches based on the fact that they have 16 “free fixins” to go along with any of their 17 menu items (sandwiches, hot dogs, and salads). How did they arrive at that number?

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