Christian

Newest questions posted by Christian
  1. Science

    A 9.8basketball player runs at a speed of 7m/s A.what is kinetic energy B.how much work was done by player to reach his speed starting from rest
  2. math

    You jogged 11 kilometers at an average speed of 10 kilometers per hour. How long did you jog? I need help please
  3. math

    A cheetah traveling at 31 m/s chased its prey for 11 seconds. What distance did the cheetah travel during the chase??
  4. math

    Georgia works at the Yogurt Shoppe. She is able to scoop yogurt into perfectly round scoops that have a radius of 6 cm. If Mary buys a triple scoop of yogurt in a cup, how much yogurt will Georgia give Mary? Use 3.14 for π and round answer to the nearest
  5. math

    The total volume is 690 pi cubic inches. Each cup has a volume of 20π. How many complete cups can be filled from the water containers?
  6. maths

    find the product of x and y if x,3/2,6/7,y are in geometric progression
  7. Physics

    A rocket of mass 1000 kg containing a propellant gas of 3000kg is to be launched vertically. If the fuel is consumed at a rate of 60kgs-1, calculate the least velocity of the exhaust gasses if the rocket and content will just lift off the launching pad
  8. Math

    In a class of 28 sixth graders all but one of the students are 12 years old. Which two data measurements are the same for the students ages?
  9. physics

    A box weighing 87 lb is being pulled with a rope that exerts a force of 60. lb at an angle of 15 degrees with the horizontal. if the coefficient of kinetic friction is .35, what is the kinetic friction?
  10. physics

    A box weighing 87 lb is being pulled with a rope that exerts a force of 60. lb at an angle of 15 degrees with the horizontal. if the coefficient of kinetic friction is .35, what is the kinetic friction?
  11. Science

    A box weighing 20lb. is being pushed up an incline. If the angle of incline was 90° to the ground, what effort would be needed to push the mass? I don't get how to get the effort if an angle was in the problem.
  12. Math

    A store discounted everything by 51%. The sales price of a scarf is $72.89. What was the original cost of the item?
  13. Math

    Dr ew does push ups every three days starting on January 3. He does sit-ups every four days starting on january 4, On which days in January will he do both push-ups and sit-ups? Use words numbers, or models to justify your answer.
  14. Algebra

    Violet used 1 3/4 gallons of paint on her kitchen wall.She used 4 times as much paint for her living room and bedroom walls. How much paint did Violet use for the living bedroom walls?
  15. Geometry

    Let B be between C and D. Solve for w CB = 4w - 4 BD = 2w - 8 CD = 24 I'm actually very confused on what to do here.
  16. Math

    Ivan has a 5-cent stamp, a 10-cent stamp, and a 20-cent stamp.How many different combinations of postage can he form with the stamps?
  17. Math

    How many different 3-digit numbers can be formed from the number 1,2 and 3 if the digits do not repeat in the numbers?
  18. Trig

    Cicero has a population of 6200 people and is growing at a rate of 8% per year . Mattydale has a population of 8750 and is growing at a rate of 6% per year create and equation solve the problem and in how many years to the nearest year will Cicero have a
  19. Civics

    paragraph using the following words proprietary colony, royal colony, religious dissenters, puritans, and toleration.
  20. physics

    23. Two identical balls each have an excess charge of 5.0 x 10-7 C, and they are attached to the ceiling by light string 0.80 m long as shown in the figure below. If the angle that the threads make with respect to each other is 300, determine the force
  21. Math

    A family pass to the amusement park costs $54 Using the Distributive Property,write an expression that can be used to fine the cost in dollars of 8 family
  22. 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
  23. Discrete Math Proof Exercise

    Prove that if 3n^2+5 is odd, then n is even. Please post a detailed answer. Thank you.
  24. Math

    Pepper and Chee shared a pizza. Pepper ate 2/3 and chee ate 1/12 of the pizza. What fraction was left
  25. maths

    The bearing of two points Q and R from a points P are 030 degree and 130 degree respectively. If PQ is12cm and PR is 5cm, find QR
  26. Chemistry

    4.13 grams of magnesium chloride were recovered after the chemical reaction between magnesium and chlorine gas occurred. If 7.10 grams of magnesium chloride was suppose to be produced, what is the percent yield of magnesium chloride?
  27. math

    A rocket is fired at an angle of 18.5 ° with the ground from a point 1670 m directly behind an observer. Shortly later the rocket is observed at an angle of elevation of 33.5 ° directly in front of and above the observer. How far on a direct line has the
  28. science

    If a projectile is shot under an angle of 30* with a force of 500N what is the time the projectile reaches the maximum hight.The projectile's mass is 100g.(g=10N/kg)
  29. Chemistry

    If 0.30 mol N2H4 is reacted with 0.50 mol N2O4, how many moles of N2 can be formed?
  30. Physics

    A 2-kg brick is moving at a speed of 6 m/s. how large a force F is needed to stop the brick in a time of 7x10^-4 s?
  31. physics

    16-g mass is moving in the +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head on and stick together. find their velocity after the collision.
  32. Physics

    16-g mass is moving in the +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head on and stick together. find their velocity after the collision.
  33. algebra

    There are (35)2 ⋅ 30 leaves on a tree. What is the total number of leaves on the tree? 33 37 310 325
  34. algebra

    Which shows the expressions in the order they would appear on a number line from least to greatest? 17 over 9, square root of 6, square root of 15, square root of 30, 3 to the power of 3 3 to the power of 3, square root of 30, square root of 15, square
  35. ALGEBRA

    The amounts of e-waste generated in a region during two years were 14,200,000 tons and 10,700,000 tons. What was the total e-waste generated over these two years in the region, expressed in scientific notation? 2.49 ⋅ 107 tons 2.49 ⋅ 1014 tons
  36. ALGEBRA

    Which expression is equivalent to 32 ⋅ 3−5? fraction 1 over 3 to the power 3 fraction 1 over 3 to the power 7 fraction 1 over 3 to the power negative 3 fraction 1 over 3 to the power negative 7
  37. health

    Endocrine glands ________. A. Do not have ducts to carry their product to a surface B. Do not have ducts to retain their product below surface C. Have ducts that carry their secretory product to a surface D. Have ducts to retain their secretory product
  38. health

    What three processes does food undergo in the digestive system
  39. Physics

    I shot two arrows into the air the first arrow had a speed of 10 m/sec , 1 second later I shot the 2nd arrow into the air with a speed of 15 m/sec. Will they meet? If so, where?
  40. grammar

    would social studies be capitalized in this sentence: I don't understand how he did the social studies problem.
  41. Physic

    How far does a cyclist travel when she accelerates from rest to 6.5m/s in 22s?
  42. Physic

    A car accelerates from 5.0m/s to 22m/s in 18 seconds, find the acceleration.
  43. Physic

    If your weight on Earth is 637 Newton, what is your mass in kg?
  44. Physics

    A skier moves 100.0 m horizontally, and then travels another 35.0 m uphill at an angle of 35.0º above the horizontal. What is the skier's displacement from his starting point?
  45. Pre-Calculus

    Reflect f(x)=x^2 about the y-axis. What changes?
  46. personal finance

    Which type of tax is calculated on a per-item basis?
  47. math

    1 1/3 x 2 1/2
  48. Algebra 2/Trigonometry

    How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along with imaginary roots, but not with a graph?
  49. chemistry

    3moles KI in 500 g of H2O equals what molality?
  50. Pre-Calculus

    Use an Addition or Subtraction Formula to find the exact value of the expression: tan7π/12
  51. Physic

    I need someone that can help with a formula any smart people. Law of universal gravitation f=g m 1 x m2 /r^2 needs to k ow what g is? Help?
  52. physics

    A metal sphere is launched with an initial velocity of 1.5 m/s as it leaves the ramp. The end of the ramp is 1.2 m above the floor. Calculate the range of the sphere.
  53. Chemistry Help! (Rydberg Equation)

    a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is predicted to lie at a wavelength (in nm) of _____ b) According to the Rydberg equation, the longest wavelength (in nm) in the series
  54. Pre-Calculus

    Find all solutions of the equation and express them in the form a + bi. 36x^2 − 12x + 2 = 0
  55. Pre-Calculus

    Find all zeros of the polynomial P(x)=x^3-x-6
  56. Accounting

    1. Compute the estimated uncollectible accounts at the end of the year using the following rates: Current 1% 1–30 days past due 3% 31–60 days past due 9% Over 60 days past due 25% 2. As of December 31, 2013, there is a credit balance of $208.20 in
  57. Accounting

    Ultra Leather Products sells leather clothing at both wholesale and retail. The company has found that there is a higher rate of uncollectible accounts from retail credit sales than from wholesale credit sales. Ultra computes its estimated loss from
  58. History

    Explain in your own words why you listed this particular cost as the “#1 Cost of the American Civil War.”
  59. trigonometry

    To the nearest degree what is the angle formed with the ground by a 32 ft ladder if it is leaning against a wall at a height of 28 ft?
  60. College Physics

    A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. Starting from rest, a 60.0 kg athlete jumps down onto the platform from a height of 0.600 m.
  61. College Physics

    An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the
  62. College Physics

    Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater
  63. Physics (Help Please)

    Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off being in the truck than in the car. Why is this? Many people imagine that the collision force exerted on the car is much greater
  64. Physics (Help Please)

    An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with the booster rockets on his spacesuit, he finds himself drifting away from the station with a constant speed of 0.570 m/s. With the
  65. Physics (Help please)

    A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. Starting from rest, a 60.0 kg athlete jumps down onto the platform from a height of 0.600 m.
  66. math

    I am the greatest common factor of three numbers. Their sum is 36. The largest number is twice the smallest and the middle number is the mean of the other two. What are the three numbers? What number am I?
  67. Math

    One side of a triangular banner is 1 ½ times longer than the second side and 2 cm shorter than the third side. The perimeter of the triangle is 98 cm. How long is the shortest side?
  68. finance

    Texas Wildcatters Inc. (TWI) is in the business of finding and developing oil properties, and then selling the successful ones to major oil refining companies. TWI is now considering a new potential field, and its geologists have developed the following
  69. social studies

    In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000. Which contributed the most to San Francisco's population change?  (5 points) The Gold Rush The Mexican-American War The Monroe Doctrine The
  70. Science

    In a hypothetical experiment, the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up rapidly. What will happen to the heart rate of the second dog? a) It will remain calm because the heart rate is determined
  71. math

    1. Which angles are adjacent angles? (1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is
  72. physics

    Heather and Matthew walk eastward with a speed of 0.76 meters per second east. If it takes them 50 minutes to walk to the store, how far have they walked? Answer in kilometers
  73. Math

    You are in charge of making punch for an upcoming school dance. The punch recipe makes 5 cups of punch by mixing 3 cups of cranberry juice with 2 cups of apple juice. What is the ratio of cranberry juice to apple juice?
  74. math ugh.

    at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?
  75. sociology

    In what way were Karl Marx and Charles Wright Mills alike in their thinking and understanding of society?
  76. economics

    Is your consumer behavior influenced by advertising or the news? Discuss one or two examples of media that have influenced your desires or affected your consumer choices
  77. economics

    Give an example of a fairly major purchasing decision you've made in your lifetime. How did you justify the purchase? How did you prepare for it financially once you decided to make the purchase?
  78. physics

    a loaded cart, mass220-kg is pulled across the ground with the force of300n acting at angle 37 degree with the horizontal. how much work is done in moving the cart 20m?
  79. Physics

    The electric potential inside a charged spherical conductor of radius R is given by V = kQ/R, and the potential outside is given by V = kQ/r. Using Er = -dV/dr, derive the electric field inside and outside this charge distribution.
  80. chemistry Emergency TEST

    1.How many moles of sodium oxide are produced when3.9 moles of sodium combine with excess oxygen. 2. Sodium chloride decomposes into elemental sodium and elemental chlorine.How many grams of chlorine will be produced if 39.4 grams of sodium chloride
  81. physics 112

    what is meant by a change in temp of 1 degree celcius on the scale of a platinum resistance thermometer
  82. Physics

    A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.
  83. Alegebra 1

    (1,3) (-3,-5)
  84. Math

    What is the next number in the pattern 20,000;4,000;800;160;____
  85. Physics

    Mathematically determine the resultant force if two forces A and B act on an object. Force A is 85N and is at an angle of 20• to the horizontal. Force B is 125N and is at an angle of 60• to the horizontal.
  86. Geography(Eighth Grade)

    How did Europeans feel about Columbus's first voyages to america? Were they happy because they found new land or?
  87. Science

    Can you check my answers for me? The answers I picked have a check mark next to them. Thank you. 1. Darwin’s theory of evolution by means of natural selection proposes that changes happen from generation to generation from ____________ of an organism to
  88. Math

    Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.
  89. Finance

    Suppose that five years ago Cisco Systems sold a 15-year bond issue that had a $1,000 par value and a 7 percent coupon rate. Interest is paid semiannually. a. If the going interest rate has risen to 10 percent, at what price would the bonds be selling
  90. physical scinsce

    A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by
  91. physical

    A cannon that is 10m long is designed to launch a 10kg ball over a castle wall. In order to do this the ball must have a speed of at least 50m/s as it exits the cannon. For every 10kg of explosives used, the force on the ball in the cannon increases by
  92. math

    a fencing company was asked to enclose three gardens with wire fences: a rectangular garden with a length of 270 meters and a width of 1123.62 meters; a square garden with a side length of 657.955 meters; and a rectangular garden with a width of 35 meters
  93. Financial management

    Im having a little trouble can someone please help me. Im not sure if my answers were right or what the rest would be. 1. _________C__________ is the interest rate in which NPV equals zero. a. Required Rate of Return b. Annual percentage rate (APR) c.
  94. CRITICAL THINKING

    How do you apply critical thinking to someone's else writing?
  95. 5th grade math

    the points that amelia scored for each game are shown 325, 198, 262, 301, 275, 229 after her seventh ga, the range of her points was 129 points how many points did she score in the seventh game
  96. math

    colin is buying dirt to fill a garden bed that is a 9 foot by 16 foot rectangle. if he wants to fill it to a depth of 4 inches, how many cubic yards of dirt does he need? if dirt costs $25 per yard, how much will the project cost?
  97. American Literature

    wwho love it and understand it are the people who own it—for a little while”
  98. Electronics

    Can you help with questions that have diagrams you must use?
  99. Math

    Simplify with only positive exponents: (v^-1/2t)^-2(t^2/v^-2)^-3
  100. calculus

    Simplify with only positive exponents: (v^-1/2t)^-2(t^2/v^-2)^-3

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