jake

Newest questions posted by jake
  1. Math

    if angle a equals 91 degrees and angle b equals 40 degrees what is the measurement of angle 1 on a triangle?
  2. New Mexico history

    How were the maya and the Aztec civilizations similar
  3. English

    is this sentence correct? Barlow uses a logical argument because cyber security is a relatively new issue, meaning many people will not be properly informed on the topic. if i put a colon after argument would the make it correct?
  4. English

    is this sentence correct? Barlow uses a logical argument because cyber security is a relatively new issue, meaning many people will not be properly informed on the topic.
  5. Algebra

    Write in exponetial form: root x 1/x
  6. history

    In which geographic region Texas is the NASA Johnson space center located A. Coastal Plains B. Great Plains C.Mountain and Basins D. North Central Plains I think the answer is B
  7. Calculus

    Let f(x)=ax^2+(3a−2)x−6. What point does the right-hand x- intercept approach as a increases without bound?
  8. math

    A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a red marble, then a white marble if the marbles are replaced 1/12 5/36 5/6 5/12 2. Find the probability of choosing 3 blue marbles in a row if the marbles are replaced.
  9. Chemistry

    49.0 mL of HClO3 is completely titrated by 68.4 mL of a Sr(OH)2 solution whose concentration is 0.3893 M. What is the molarity of the HClO3 solution? Sr(OH)2 + 2HClO3 = 2H2O + Sr(ClO3)2
  10. Math

    What is the probability of getting an even number when rolling a six-sided number cube?
  11. math

    Describe a situation that models a linear pattern and then describe a situation that models a nonlinear pattern.
  12. Calculus

    A function has f''(x) = 10 and has f'(4) = 0 and f(2)= 4. Find f(x).
  13. math/combination probability

    what is the probability of getting all questions right on a 15 question, 3 multiple choice (each) with just guessing? i did 15 C 3 and got 1/455
  14. Social Studies Help please its a quiz

    Dix also joined a growing movement to improve conditions in prisons. Men, women, and children were often crammed together in cold, damp rooms. When food supplies were low, prisoners went hungry—unless they had money to buy meals from jailers. Five out of
  15. S.S help please thank you

    Which of the following best summarizes the information shown in the graphic organizer?  (1 point
  16. math

    0.2x0.8
  17. maths

    The speed of light is about 2.99x10^8 m/s. If a rocket travels at one-fifth the speed of light, find its speed in km/h (in scientific notation correct to 2 significant figures)
  18. social studies

    please help, i have no clue! they all seem like a good answer to me.. The Macdonald-Cartier bridge that stretches the Ottawa River and connects Ontario to Quebec is named for two Canadian politicians, one ______ and one _______. A.English, German
  19. Math

    The ratio of the cost of a tennis racket to tennis balls is 18:1. If a can of balls cost $5.35, what is the cost of the racket?
  20. math

    2g – 1 = 3g + 6  how do i do this equation?
  21. Math - algebra

    On Day 1 of the state fair, Austin sold 15 handmade stools. On each of the next 9 days, he sold 5 stools. The linear function f(d) can be used to represent the total number of stools Austin sold, where d is the day of the fair. Solve the problems below.
  22. Physics

    What makes a hydrometer with a spherical bulb good for measuring precise density? What makes this shape better than others?
  23. Chemistry ASAP please?

    For electromagnetic radiation with a wavelength of 576.3 nm: (a) What is the frequency of the radiation (in s-1)? (b) What is the energy (in J) of one photon of the radiation? (c) What is the energy (in kJ) of one mole of photons of the radiation So a I go
  24. PreCalc

    If 3x^3+ax^2+3x+2 leaves a remainder of 4 on division by (3x-1), find a.
  25. science

    Bison, Zebra, and kangaroos have similar ecological niches but cannot be shown in the same food web, why? (doesn't mater where they live)
  26. gr. 9 Sience

    5 foods that contain the high energy products of photosynthesis
  27. Socioloy

    Why is the 1970s considered to be a decade of change for the American media?
  28. PreCalc

    The “Hatch Shell” in Boston has the arch with semi-elliptical form with a horizontal major axis. The base of the arch is 110-foot long and the highest part of the arch is 40 feet above the scene. Find the height of the arch of the “Hatch Shell” 33
  29. Geography

    All of the following are the result of the increase in large-scale, green revolution agriculture in the region, except: A. more than 2 million small farmers have been forced to sell their land in Brazil alone since 1985. B. there has been an increase in
  30. SS

    4. Which of the following statements best summarizes Washington viewpoint on American foreign policy
  31. math

    what is a description of the ratio 52:12
  32. Math

    The area of a football field is 57600 square feet what is the area in square yards?
  33. Language arts

    Consider this line from “Two Kinds”: For unlike my mother, I did not believe I could be anything I wanted to be. I could only be me. In a paragraph, explain how those words describe the conflict between the daughter and her mother. Is there a winner in
  34. Physics

    Water flows through a pipe of radius 4 cm at a rate of 3.5 m/s. Suppose each water molecule is singly ionized (highly unrealistic). a) What is the electric current density associated with the flow of these ions? b) What is the electric current in the pipe?
  35. Physics

    An electric filament can heat 200 cm^3 of water from 5°C to 95°C in 6 minutes. If the voltage source is a 12 V battery, how much current does it draw?
  36. US Government

    The President can choose to get rid of democracy. A) True B) False (the correct answer?)
  37. Washington state history

    please help. Which industries remain as important to Washington’s economy today as in the 1800s? Select all that apply. A.biotech B.entertainment C.forestry D.mining E.software development F.tourism
  38. washington state his

    please help. Which of the following best identifies how Washington’s economy changed overall after World War II? A.It scaled back agricultural production. B.It shut down most manufacturing operations. C.Its activities became more diverse. D.Its
  39. Math

    The length of a rectangle is 5 meters more than twice the width, and the area of a rectangle is 42 square meters. Find the length and width of the rectangle.
  40. Math

    At the city museum, child admission is $5.40 and adult admission is $9.30. On Friday, 134 tickets were sold for a total of $957.60. How many adult tickets were sold that day?
  41. physic

    Sample 1, Original Length 250 mm and 10 mm Diameter, Length after testing 250.23 mm the force used for the test was 15KN Sample 2, Original Length 250 mm and 14 mm Diameter, Length after testing 250.21 mm the force used for the test was 15KN 1. Calculate
  42. chemistery

    explain the progress of the reaction in terms of kinetic energy explain how various factor affect the rate of reaction
  43. Math calculus

    a cylindrical vat must hold 5m^3, the vat must be wider than it is tall, but no more than 3 m in diameter. What dimensions will use the least amount of material?
  44. Science

    If a 1 tonne car travels at 16.7 m/s (60km/h) then it would have a momentum of
  45. Social studies

    To what extent should canadians try to stop human rights abuse in other countries today?
  46. Chemistry

    what is the oxidation number of Carbon in C6H12? thank you!
  47. science

    what is the molar ratio between barium hydroxide and potassium hydrogen phthalate if they were reacted together in an acid base titration
  48. math

    Find the exact values for the lengths of the labeled segments a, b and p. Note that r=3 is the radius of the circle, and s=2 is the arc length from the point (3,0) around the circle to the indicated point.
  49. Johnson

    A perimeter of EFGH is 100cm.what is the length of side FE?
  50. reading

    What is a summary for chapter 2 slam by Walter dean Myers
  51. Math

    There are two triangles for which A=30∘,a=5,and b=8 The larger one has c= ? and the smaller one has c= ?
  52. Simple interest

    Charlotte borrows $9000 over 5 years to buy a second hand car. The loan must be repaid over 5 years at 12% p.a. simple interest calculate the monthly repayment if the payments are spread equally over the 5 years.
  53. physics

    An alpha particle (charge = +2.0e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electric force acting on the alpha particle when the alpha particle is 3.3 ✕ 10-14 m from the gold nucleus?
  54. Chemistry

    If you wanted to create a equimolar buffer using 1.0 mol of NaHS in 1.0L of water what acid would you need to add? how many moles of that acid do you need to add?
  55. MATHS

    The quadratic function f(x) has roots at x=4 and x=-2 and has value of 2 at x=0. Does f(x) have a minimum or maximum? Find the value of the /minimum/maximum value of f(x).
  56. physics

    A long straight vertical wire of diameter 2.0mm carries a steady current upwards. At 30mm from the centre of the wire, the magnetic field strength is 0.10mT. Sketch a graph to show the variation of magnetic field strength from the wire surface to a
  57. physics

    An unstable nucleus with a mass of 18.0 ✕ 10-27 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.0 ✕ 10-27 kg, moves along the positive y-axis with a speed of 9.0 ✕ 106 m/s. Another particle, of mass 7.4 ✕
  58. physics

    Two cars (A and B) of mass 1.1 kg collide. Car A is initially moving at 18 m/s, and car B is initially moving in the opposite direction with a speed of 9 m/s. The two cars are moving along a straight line before and after the collision. (Enter the
  59. physics

    How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?
  60. physical science

    How much heat is absorbed by a 30g iron skillet when its temperature rises from 24oC to 93oC? Joules do i addition everything?
  61. Math

    How many 4/5-foot planks can be cut from a board which is 12 feet long?
  62. math

    If a jet flies at a speed of 600 km/h, how many meters does it fly in 10 seconds? There are 1000 meters in 1 km
  63. Calculas

    lim (x⁻¹-1)⁄x-1 as x approaches 1. I know the answer is -1 but I am not sure how to solve the numerator x⁻¹-1.
  64. Science

    lesson 9: energy and the environment unit test science 8 A Unit 4: Energy and the environment Please HELPPPPPP!!!!!!!
  65. calculus

    find the maximum and minimum value of the function f(x)= x-x^3 on the interval [-2,2] I also need help with this question What is the largest possible product of two negative number whose sum is 1?
  66. Physics

    5. If a wave has a wavelength of 20m and a speed of 100 m/s, what is the period of the oscillation? v = wavelength / period 100 = 20 / period 100*20 = periodperiod = 20 / 100 2000 s = period OR period = 20 / 100 period = 0.2 s I don't know which one is
  67. Physics

    1. A rectangular coil 0.065 m by 0.080 m is positioned so that its cross-sectional area is perpendicular to the direction of a magnetic field. The coil has 66 turns and a total resistance of 7.6 Ω and the field decreases at a rate of 2.5 T/s. What is the
  68. Physics -HELP

    1. A rectangular coil 0.065 m by 0.080 m is positioned so that its cross-sectional area is perpendicular to the direction of a magnetic field. The coil has 66 turns and a total resistance of 7.6 Ω and the field decreases at a rate of 2.5 T/s. What is the
  69. Physics -HELP

    A rectangular coil 0.065 m by 0.080 m is positioned so that its cross-sectional area is perpendicular to the direction of a magnetic field. The coil has 66 turns and a total resistance of 7.6 Ω and the field decreases at a rate of 2.5 T/s. What is the
  70. Physics -HELP

    A coil with 337 turns of wire, a total resistance of 47 Ω, and a cross-sectional area of 0.35 m2 is positioned with its plane perpendicular to the field of a powerful electromagnet. What average current is induced in the coil during the 0.30 s that the
  71. math

    A bakery sells 5800 muffins in 2010. The bakery sells 7420 muffins in 2015. Write a linear model that represents the number y y of muffins that the bakery sells x x years after 2010
  72. Math

    Given that the line x/a + y/b = 1 passes through ( 0 , 3 ) and ( 5 , 1 ), find the value of a and b
  73. Math

    Solve for x: e^4x-3 = 2e^2x1 ln2x+6) - ln(3x-1) = ln(2) Then, simply the radicals
  74. Math

    What power output will be provided for an amplifier having a gain of 12dB if the power input is 75W?
  75. literature

    In The Call of the Wild" which dog is sled-team leader after the death of Spitz?
  76. precalculus

    Given: r = 4/-2-costheta What type of conic does this represent? ________________________________________ Circle Ellipse Hyperbola Parabola
  77. Science Physics

    I don't understand how I would know what would happen if it collided or bounced, etc. How do I solve a question like this? Suppose the total momentum of two masses before collision is 100kg m/s. What is the total momentum of the two masses after they
  78. Physics

    (a) If the wavelength of an electron is 5.37 ✕ 10−7 m, how fast is it moving? (b) If the electron has a speed equal to 3.80 ✕ 106 m/s, what is its wavelength? What equation should I use?
  79. Chemistry Lab

    So I have a lab exam tomorrow and our instructor said that one of the questions would be as follows: Prepare 100mL of 0.03 M Copper Sulfate, beginning from copper sulfate pentahydrate. Calculate the exact molarity to 3 sig figs. Alright so I understand how
  80. chemistry

    P4 + 6 Br2 -> 4PBr3 In a particular reaction, 20 grams of phosphorus P4, is combined with 50mL liquid bromine ( Density= 2.93 g/ml) 1) Calculate the mass of product in grams for each of the reactants 2) Limiting reagant and Mass Maximum mass of PBr3 so for
  81. math

    How many square feet of carpet will be needed to cover the kitchen and bedroom floors? 237.5 square feet 365 square feet 425 square feet 475 square feet
  82. Social Studies

    Why were Middle Colones more favorable to farmers than New England? Thanks in advance for any responses!
  83. Chemistry

    Net Ionic equation for 1. Iron(II) Iodide and Magnesium Acetate 2. Ammonium Phosphate and Cobalt(III) Chloride 3. Sodium Acetate and Potassium Chloride These are the only ones I have left on my HW and I can't seem to figure them out would appreciate some
  84. College Physics

    A 1300-kg car moving on a horizontal surface has speed v=65 km/h when it strikes a horizontal coield spring and is brought to rest in a distance of 3.0m
  85. Reading/English

    Reread "The Night the Bed Fell" and "The Stolen Day." In a paragraph or two, compare and contrast the stories. Please help me.
  86. Accounting

    On September 1, 2011, Fast Track, Inc. was started with $30,000 invested by the owners as contributed capital. On September 30, 2011, the accounting records contained the following amounts: Accounts Payable $2,200 Dividends Declared and paid $2,300
  87. Physics

    A pilot wants to fly from city A to city B, a distance of 394 km at an angle of 10.0 degrees west of north. The pilot heads directly toward city B, with an air speed of 203 km/h. After flying for 1.0 hours, the pilot finds she is 17.5 km off course to
  88. Math

    the ratio of soccer ball to baseball is 12 to 15.if there is 48 soccer ball how many baseball are there
  89. physics

    A public transportation bus travels back and forth along a road, following the position-time graph over the time period shown below. There are five points labeled on the graph. What is the average speed and velocity (magnitude and direction) of the bus
  90. English

    What does this sentence mean from the Scarlet Letter? Yet the taste of the age, demanding whatever was elaborate in compositions of this kind, did not fail to extend its influence over our stern progenitors, who had cast behind them so many fashions which
  91. Sociology

    Marxism is a theory of history and social change that expresses which of the following as its central concern? A) Violence B) Feudalism C) Inequality D) Mass consumerism I'm thinking B but I'm not really sure.
  92. Physics Ap

    A flower pot falls from a windsill 30 meters above the sidewalk. How fast is it going when it hits the ground? How long does it take to reach the ground? How fast would it be going if it was thrown down at 8m/s instead?
  93. Physics

    A boat that can travel at 3.0 km/h in still water crosses a river with a current of 1.7 km/h. At what angle must the boat be pointed upstream to travel straight across the river?
  94. Calculus AB

    If a sinusoidal function has a local maximum at (3,8) and the next local minimum at (7,-2), 1) What is the equation of a cosine function that has a graph characterized in the statement above 2) What is the equation of a sine function that has a graph
  95. Vectors

    Show that the line with parametric equations x = 6 + 8t, y = −5 + t, z = 2 + 3t does not intersect the plane with equation 2x − y − 5z − 2 = 0.
  96. math

    True or False: The median must always be one of the numbers in the data set itself.
  97. chem chem

    hi does anyone know what the VSPER theory is
  98. Chemistry

    How many moles are in 7.5x10^24 molecules of carbon dioxide? Grams?
  99. Geometry

    What is the area of a regular pentagon with an apothem 14 inches long and a side 20 inches long? Round the answer to the nearest inch. Answer choices: 1400 in.^2 700 in.^2 175 in.^2 140 in.^2 Give work, not answer, please.
  100. Art

    war memorials honor those who fought and died for a nation. which of the following is not a reasons war memorials are important? A. Memorials honor the family of the dead. B. Memorials let the public experience wars reality. C. Memorials allow visitors to

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