Most popular questions and responses by Kaitlyn
  1. World Geography

    1. During the late 18th and mid-19th centuries, Europeans and North Americans were attracted to nearby coastal waters due to potential economic gains from? A.) Catching trout and cod fish. B.) Catching seals and whales. C.) Shipbuilding. D.) Finding riches

    asked on May 9, 2013
  2. Calculus

    Graph the curve. Find the exact length of the curve. x = 2et cos(t), y = 2et sin(t), 0 ≤ t ≤ π

    asked on January 19, 2016
  3. World Geography

    1.Which of the following demographic characteristics distinguishes Europe's population from that of Asia? A.) More Europeans inhabit rural areas. B.) The European population is much younger. C.) Europeans are more concentration in urban areas. D.) Europe

    asked on May 10, 2013
  4. Math Help please Check my answer

    You have $59.95 in your wallet and want to buy some new CDs. If the CDs are $11.99 each, what number of CDs, x, can you buy? Write and solve an inequality. My answer: 11.99x ≤ 59.95 11.99x/11.99 ≤ 59.95/11.99 x ≤ 5

    asked on January 14, 2014
  5. Science Help Plz

    which of the following statements about earths atmosphere is true? a. earths atmosphere contains 78 percent water vapor which is essential to life b. earhts atmoshpere contains 21 percent oxygen c. earths atmosphere contains carbon dioxide which all life

    asked on February 19, 2015
  6. Geometry - Area

    Find the area of a regular hexagon with an apothem 10.4 yards long and a side 12 yards long. Round your answer to the nearest tenth.

    asked on April 15, 2014
  7. Calculus

    Suppose that 5 J of work is needed to stretch a spring from its natural length of 28 cm to a length of 36 cm. (a) How much work is needed to stretch the spring from 32 cm to 34 cm? (Round your answer to two decimal places.) (b) How far beyond its natural

    asked on January 23, 2016
  8. math

    The sum of seven and the quotient of a number x and eight.

    asked on May 13, 2019
  9. SS Help

    Which statement best evaluates the results of Greece's membership in the European Union? MEDAL!!! A) Greece's overall economy has improved because of increased trade. B)Greece's overall economy has struggled because the euro is a strong currency. C)

    asked on April 11, 2017
  10. Ed Tech

    Selena needs to publish her research about Chinese culture. Her research includes audio clips from an interview with a Chinese citizen, written notes, and photographs from her tour of a Chinese exhibit in a local museum. Based on each application’s

    asked on April 10, 2017
  11. Educational thechnonolgy

    Lines are used in a design to _____.Choose all that apply. A.Create movement B.lead the eye across the page C.describe the relationship between certain colors D.divide a page into sections

    asked on May 7, 2017
  12. physics

    A military helicopter on a training mission is flying horizontally at a speed of 75.0m/s when it accidentally drops a bomb (fortunately, not armed) at an elevation of 310m . You can ignore air resistance. a:How much time is required for the bomb to reach

    asked on September 22, 2014
  13. Geometry

    "A cone has the radius of 24 and its volume is 1,920 what is the volume of a similar cone with the radius of 18 Answers A.480 B.810 C.1,080 D.1,440" How do I find the height for the similar cone to get its volume?

    asked on March 10, 2015
  14. Chemistry

    If argon has a volume of 5.0 dm3 and the pressure is .92 atm and the final temperature is 30 degrees celcius and the final volume is 5.7 L and the final pressure is 800 mm Hg, what was the initial temperature of the argon?

    asked on November 19, 2012
  15. Science

    thermal energy is cause by the motion of ?

    asked on January 18, 2018
  16. Math

    An odd number is less than 160 and has exactly three defferent prime factors. What is the number? Explain your reasoning. ??? AAAH! help!

    asked on September 17, 2009
  17. History

    I need help within the hour thanks. Kaitlyn. Why did Arabic numerals replace Roman numerals? A.They were more accurate. B.They were based on the Quran. C.They made it easier to perform calculations.** D.They were easier to read. Which of the following were

    asked on January 17, 2019
  18. Math

    A bean plant was 1.5 meters high one week ago. In 7 days it grew 15 centimeters. Find the current height of the bean plant. A)1.35 m B)13.6 cm C)1.65 m *** D)1.85 cm Can someone check this plz?

    asked on April 13, 2017
  19. geometry

    B is the midpoint of AC. A has coordinates (-3,4), and B has coordinates (-1 1/2,1). Find the coordinates of C. Did i get the right answer? (2)-1 1/2=(2)-3+x(over 2) -3-3=3+x-3 -6=x (2)1=(2)4+y(over 2) 2-4=4+y-4 -2=y The coordinates of C are (-6,-2)

    asked on August 26, 2015
  20. social studies

    I have to use physical map in a sentence

    asked on September 14, 2008
  21. Geometry

    1.) A skateboard ramp has a 158° entry angle. Find the measure of ∠1. 2.) Which of the following equations is parallel to the line passing through A(-2, 7);B(-2, -2)? 3.) Which of the following equations would graph a line parallel to 3y = 2x - x + 5?

    asked on October 29, 2013
  22. math

    1. A skateboard ramp has a 158º entry angle. Find the measure of ∠1. A.) 22º B.) 68º C.) 78º D.) 58º 2. Which of the following equations parallel to the line passing through A(-2, 7);B(-2, -2)? A.) y = -2 B.) y = x C.) 3x = 5 D.) -2x = 7y 3. Which

    asked on October 30, 2013
  23. Please Help! Need my work Checked! Physics

    2) You take the following measurements for the distance a toy car travels in 10 seconds during each 5 trials: 157cm, 175cm, 162cm, 168cm, 187cm. What are the relative uncertainties of the distance and time measurements? Which measurement is the most

    asked on September 5, 2015
  24. Math

    What is an algebraic expression for "49 more than q"

    asked on October 1, 2013
  25. 7th grade

    Susan has red, blue, green, and yellow sweaters. Joanne has green, red, purple, and white sweaters. Diane's sweaters are red, blue, purple, and mauve. Each girl has only one sweater of each color, and will pick a sweater to wear at random. Find each

    asked on January 20, 2010
  26. Math

    How do you find the missing height of a triangle?

    asked on April 3, 2019
  27. Algebra 1

    d is to 4 as 32 is to 56. if answer is a fraction change to decimal

    asked on October 3, 2013
  28. physics

    A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 210 N and is 2.80 m long. What is the tension in each rope when the 710 N worker stands 1.80 m from one end? smaller and larger.

    asked on December 12, 2010
  29. Social Studies Please help

    Which statement best evaluates the results of Greece's membership in the European Union A. Greece's overall economy has improved because of increased trade. B. Greece's overall economy has improved because the euro is a strong Currency. C. Greece's overall

    asked on April 12, 2017
  30. Math

    Can someone explain to me how to measure circles? Help

    asked on April 24, 2019
  31. Art

    What did the Vogel's artworks communicate about their historical interests? They collected works that were culturally popular. They collected works that depicted revolutions. They collected works that depicted the history of cities. ( my choice ) They

    asked on March 29, 2019
  32. Algebra

    The stopping distance D in feet for a car traveling at x miles per hour is given by d(x)= (1/12)x^2+(11/9)x. Determine the driving speeds that correspond to stopping distances between 300 and 500 feet, inclusive. Round speeds to the nearest mile per hour.

    asked on June 9, 2013
  33. Geography

    Describe two inventions that helped spark the scientific revolution and their impact

    asked on January 28, 2016
  34. Weather science

    Which type of weather technology often carries cameras that can make images of Earth's surface, clouds, and snow cover?

    asked on April 15, 2019
  35. Math #3

    Which is likely to have a mass close to 3 kilograms? A: a 5-year-old child B: a bowling ball*** C: a lemon D: an adult lion Can someone check this plz

    asked on April 13, 2017
  36. Math

    how many sides does a cube have? Not faces!

    asked on April 24, 2019
  37. heath and pe

    What reason do studies show why more people with high blood pressure and diabetes live In the suburbs than in the city? There is four answers that I don't know if their corect; 1.There are much better doctors in the city who treat those diseases more

    asked on April 9, 2019
  38. social studies

    Why were the Olympic Games held the first time?

    asked on May 6, 2019
  39. AP physics

    A 66 kg diver steps off a 13 m tower and drops, from rest, straight down into the water. If he comes to rest 4.4 m beneath the surface, determine the average resistance force exerted on him by the water.

    asked on November 10, 2010
  40. physics

    Light-rail passenger trains that provide transportation within and between cities are capable of modest accelerations. The magnitude of the maximum acceleration is typically 1.3 {\rm m}/{\rm s}^{2}, but the driver will usually maintain a constant

    asked on September 14, 2012
  41. Technology

    What is intellectual property?

    asked on April 15, 2019
  42. algebra

    A board is leaning against a building so that the top of the board reaches a height of 18 feet. The bottom fo the board is on the groung 4 feet away from the wall. What is the slope of the board as a positive number?

    asked on September 30, 2012
  43. Chemistry

    How many moles of carbonate ions, aluminum ions, and oxygen atoms are present in 39.0 g aluminum carbonate?

    asked on February 8, 2016
  44. Physics

    A 245 g toy car is placed on a narrow 70-cm-diameter track with wheel grooves that keep the car going in a circle. The 1.0 kg track is free to turn on a frictionless, vertical axis. The spokes have negligible mass. After the car's switch is turned on, it

    asked on April 19, 2014
  45. math

    In a class of 50 students, 35 are Democrats, 17 are business majors, and 6 of the business majors are Democrats. If one student is randomly selected from the class, find the probability of choosing a Democrat or a business major.

    asked on April 28, 2013
  46. Math

    What is the composite figure? There is this trapezoid that has a triangle on the side. the base of the trapezoid is 17cm and the base of the triangle is 19cm, the height of trapezoid is 22 cm and 10cm on the other side, and the top of the trapezoid is

    asked on March 28, 2019
  47. Science

    what is precipitation, evaporation, condensation, and transpiration?

    asked on April 12, 2019
  48. Math

    An electrician charges a $50 fee to make a service call plus $25 per hour he works. Determine whether the relationship between the two variables is proportional. Hours Cost($) 1 75 2 100 3 125 4 150 Is this proportional? Because i am not sure. When i plot

    asked on December 26, 2014
  49. algebra

    the length of a rectangle is 5 times its width. if the length is decreased by 3 meters, and the width is increased by 10 meters, the perimeter will be 374 meters. find the length of the original rectangle.

    asked on November 14, 2016
  50. physics

    A 0.50 kg ball that is tied to the end of a 1.4 m light cord is revolved in a horizontal plane with the cord making a 30° angle with the vertical. determine the balls speed.

    asked on December 6, 2010
  51. Math

    The tires on a car are 25 inches in diameter. If the car is moving at a constant speed of 65 miles per hour, how many rotations per second is the front left tire making? Express your answer as a decimal to the nearest tenth. (1 mile = 5280 feet)

    asked on November 11, 2016
  52. Math

    How do you convert Milligrams to grams?

    asked on April 25, 2019
  53. Christianity

    Is God real? what evidence is there?

    asked on April 9, 2019
  54. Physics

    The knot at the junction is in equilibrium under the influence of four forces acting on it. The F force acts from above on the left at an angle of with the horizontal. The 6 N force acts from above on the right at an angle of 47◦ with the horizontal. The

    asked on October 24, 2010
  55. Science

    under which conditions are clouds formed from ice crystals?

    asked on April 12, 2019
  56. Social Studies

    How do ethnic, racial, and religious hatred weaken society??

    asked on April 17, 2010
  57. physics

    An 8.00 g bullet is fired into a 250 g block that is initially at rest at the edge of a table of 1.00 m height. The bullet remains in the block, and after the impact the block lands d = 1.8 m from the bottom of the table. Determine the initial speed of the

    asked on November 23, 2010
  58. Physics Inertia!

    Rank from fastest to slowest. a)a solid ball rolling down a ramp without slipping b)a cylinder rolling down the same ramp without slipping. c)a block sliding down a firctionless ramp with the same height and slope. Select all that apply. The ball is

    asked on October 30, 2012
  59. Bible Journaling

    how do you start bible journaling

    asked on April 16, 2019
  60. math

    what is the median for 25,26,31,39,32,57

    asked on April 16, 2019
  61. physics

    A 0.50 kg ball that is tied to the end of a 1.4 m light cord is revolved in a horizontal plane with the cord making a 30° angle with the vertical. (b) If the ball is revolved so that its speed is 4.0 m/s, what angle does the cord make with the vertical?

    asked on December 6, 2010
  62. Science

    Water Cycle Model? How do you know if your water cycle model works?

    asked on April 3, 2019
  63. Physics

    A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees downriver by heading directly across the river. What should be the boat's speed relative to the water?

    asked on February 6, 2012
  64. physics

    A 0.50 kg ball that is tied to the end of a 1.4 m light cord is revolved in a horizontal plane with the cord making a 30° angle with the vertical. (b) If the ball is revolved so that its speed is 4.0 m/s, what angle does the cord make with the vertical?

    asked on December 6, 2010
  65. English

    What does overview mean?

    asked on April 16, 2019
  66. Math

    Can you check me answers 6 eggs in 7 days=8222 122 patients in 4 weeks=305 $8.43 for 3 pounds =281 25 letters in 4 days=.625 2 pay raises in 3 years=.66 repeated 15 pounds in 6 weeks=25 8 glasses every 24 hours=.33

    asked on November 29, 2018
  67. Social Studies

    witch result of the compromise of 1850 did not benefit the north? a-the fugitive slave law b-californias admittance tt he union c-ending the slave trade in the district of columbia d-new mexico not being designated as a slavery trade Is it a?

    asked on February 1, 2015
  68. math

    Quinn used a scale drawing to build a soccer field near his school. Initially, he wanted the field to be 28 yards long and 17.5 yards wide. He decided to change the length of the field to 36 yards. If the width is to be changed by the same scale factor,

    asked on January 29, 2014
  69. Physics

    A particle starts from xi = 10 m at t0 = 0 and moves with the velocity graph shown in the graph below. Sorry for no graph it's at 12 m/s when time is zero. Moves down consistently so that it is 8 at 1 4 at 2 0 at 3 and negative 2 at 4. (a) What is the

    asked on September 5, 2011
  70. college

    How do i calculate the number of equivalents of h2c4h4o4 titrated?

    asked on October 20, 2010
  71. Calculus

    Use Simpson's Rule with n=10 to estimate the arc length of the curve. Compare your answer with the value of the integral produced by your calculator. x = y + y^(1/2), 1 ≤ y ≤2

    asked on February 21, 2016
  72. Math

    Lindsey has 47 coins in her change purse that are either dimes or quarters. If n represents the number of quarters she has,write an expression in terms of n that describes the number of dimes

    asked on October 1, 2013
  73. physics

    A 73 kg man in a 7.0 kg chair tilts back so that all the weight is balanced on two legs of the chair. Assume that each leg makes contact with the floor over a circular area with a radius of 1.0 cm, and find the pressure exerted on the floor by each leg.

    asked on December 13, 2010
  74. business

    Discussing the future of management, Manager A maintains that we can expect a continued rise of virtual management and growth in technology. Manager B acknowledges that Manager A’s projections are likely, but incomplete. He adds that there will also be

    asked on December 5, 2014
  75. Chemistry

    How much heat energy is required to heat up 50.0 grams of water from 20.2 degrees Celsius to 34.2 degrees Celsius? I want o use the Q=mc(change in temp) formula but I am only given the m and difference in temp in this question so I am not sure of what I am

    asked on September 4, 2016
  76. Chemistry

    N2+3H2-> 2NH3 how many moles of hydrogen are needed to completely react with 2.6 moles of nitrogen?

    asked on February 11, 2015
  77. Physics

    A river is flowing 4.0 m/s to the east. A boater on the south shore plans to reach a dock on the north shore 30.0 Degrees downriver by heading directly across the river. What should be the boat's speed relative to the water?

    asked on February 6, 2012
  78. Health and P.E.

    A dandruff shampoo claims it can eliminate all dandruff flakes for 6 months. Which would be a good strategy for proving the claim is true? A.) Ask the one person you know who used it to verify if it worked for her. B.) Ask the cashier if a lot of people

    asked on April 9, 2019
  79. 10th grade

    Describe the geography of Southern South America and how this geography influences economic activity?

    asked on December 15, 2010
  80. physics

    A 0.480 kg pendulum bob passes through the lowest part of its path at a speed of 3.10 m/s. (b) When the pendulum reaches its highest point, what angle does the cable make with the vertical? The cable of the pendulum is 80 cm or .8m.

    asked on December 7, 2010
  81. Science

    Can you see organelles of plants using a simple microscope? If yes, what is it?

    asked on September 2, 2017
  82. Geography

    What was the goal of the philosophers? Did their movement have an impact on our lives today?

    asked on January 28, 2016
  83. Physics

    A car drives over a hump in the road. The radius of the (circular) hump is 45m. How fast (m/s) would the car need to travel, so that the wheels just barely lose contact with the road?

    asked on May 25, 2015
  84. sports

    is volleyball the best sport to play?

    asked on April 11, 2019
  85. Math

    Paige cuts a square out of a circular pizza. The corners of the square lie on the circumference of the pizza.to the nearest whole number, what percent of the pizza is left when paige removes the square.

    asked on November 11, 2016
  86. Calculus

    Sketch the region on paper. If it is a finite region, find its area. Round your answer to three decimal places. (If the area is not finite, enter NONE.) S = {(x,y) | x ≥ −4, 0 ≤ y ≤ e-x/2}

    asked on February 23, 2016
  87. Geography

    In what model of the universe did philosophers of the middle ages believe? Give details

    asked on January 28, 2016
  88. physics

    It has been suggested that rotating cylinders about 10 mi long and 4.9 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall

    asked on December 1, 2010
  89. Chemistry

    The vapor pressure of pure methanol at 25 degrees Celsius is 127.2 mm Hg. If 12.20 g of potassium chloride are dissolved in 200.0 g of methanol, what is the vapor pressure of the solution? A.123.9 mmHg B.3.256 mmHg C.104.3 mmHg D142.7 mmHg

    asked on May 14, 2017
  90. Physics

    A Frisbee gets stuck in the top of a tree, 60 meters above the ground. What is the smallest initial velocity you could throw a ball to reach the Frisbee and dislodge it? A. 48.5 m/s from an angle of 45 degrees above the horizontal B.48.5 m/s from directly

    asked on September 18, 2017
  91. Chemistry

    How many grams of CO2 (Mm = 44.0 g/mol) are produced in the combustion of 31.0 g of C4H10 (Mm = 58.1 g/mol)?

    asked on January 25, 2016
  92. Chemistry

    the hydrated salt is overheated and the anhydrous salt thermally decompose, one product being a gas; will the reported value of x be too high,low on the unaffected? explain.

    asked on October 12, 2010
  93. Chemistry

    A solution contains naphthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 15.00% naphthalene by mass. Calculate the vapor pressure at 25 ∘C of hexane above the solution. The vapor pressure of pure hexane at 25 ∘C is 151 torr. I keep

    asked on September 20, 2014
  94. Math trigonometry

    Find the measures of the acute angles of a right triangle whose legs are 9 cm and 16 cm long.

    asked on March 16, 2013
  95. precal

    Help please! sin4x=3cos^3xsinx-4sin^3xcosx

    asked on November 25, 2015
  96. Chemistry

    Write the balanced camical equation for the complete combustion of propane C3H8, a fuel used in gas grills (carbon dioxide and water are products). This is the WRONG answer that I got... 2(C3H8) + 7(02) -> 3(CO2) + 8(H20) Can anybody help me? 2(C3H8) +

    asked on February 8, 2007
  97. math

    write the equation in slope-intercept form. What are the slope and y-intercept? -12x+13y=-10

    asked on January 8, 2018
  98. math

    Jayda deposited $1500 into savings account that pays 3% simple interest per year. How much interest does she earn per year on her investment?

    asked on January 7, 2016
  99. math (please help)

    1. Write the equation for the horizontal line that contains point G(-8, 8). 2. What is an equation for the line that passes through points (-1, -4) and (1, 4)? Write the equation in slope-intersect form. 3. Write an equation for the vertical line that

    asked on October 31, 2013
  100. Physics

    An asteroid with mass m = 1.85*10^9 kg comes from deep space, effectively from infinity, and falls toward Earth. How much work would have to be done on the asteroid by friction to slow it to 550 m/s by the time it reached a distance of 1.50*10^8 m from

    asked on October 16, 2012


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