Most popular questions and responses by Zoey
  1. Algebra

    Why is a duplicate key like a small cake?

    asked on May 15, 2018

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2

    asked on January 27, 2014
  3. math

    x = t − 2 sin t, y = 1 − 2 cos t, 0 ≤ t ≤ 6π Set up an integral that represents the length of the curve.

    asked on July 26, 2014
  4. History-The Early Greeks

    How did early Greek civilizations use their natural surroundings to prosper and grow?

    asked on March 1, 2012
  5. my math

    True or false? Intentionally writing a check on an account with insufficient funds is allowed under certain conditions. I say false? Ben Spender writes a $50 check which is returned by his bank with additional charges. The company he wrote the check to,

    asked on January 26, 2010
  6. science

    A hoop of mass M = 4 kg and radius R = 0.4 m rolls without slipping down a hill, as shown in the figure. The lack of slipping means that when the center of mass of the hoop has speed v, the tangential speed of the hoop relative to the center of mass is

    asked on July 20, 2014
  7. Math HELP!

    1. Write 12/32 in simplest form. Could someone please help me on how I can turn this fraction into simplest form like explain the steps! Thanks.

    asked on October 7, 2015
  8. Chemistry

    AgNO3 + NaCl → AgCl + NaNO3 . How many grams of NaCl would be required to react with 446 mL of 0.211 M AgNO3 solution? Answer in units of grams

    asked on February 21, 2014
  9. Physics

    Pepe and Alfredo are resting on an offshore raft after a swim. They estimate that 3m separates a trough and an adjacent crest of surface waves on the lake. They count 14 crests that pass by the raft in 20 seconds. Calculate how fast the waves are moving.

    asked on March 7, 2017
  10. ELA

    100% - The Story of a Patriot Upton Sinclair 1 A young man is walking down the street, quite casually, with an empty mind and no set purpose; he comes to a crossing, and for no reason that he could tell he takes the right hand turn instead of the left; and

    asked on October 10, 2017
  11. History-The Early Greeks

    Name three rights granted to Greek citizens that American citizens have today.

    asked on March 1, 2012
  12. science

    Calculate the buoyant force in air on a kilogram of gold (whose density is about 19 grams per cubic centimeter). The density of air is 1.3 ✕ 10-3 grams per cubic centimeter. Remember that the buoyant force is equal to the weight of a volume of air that

    asked on August 2, 2014
  13. physics

    At highway speeds, a particular automobile is capable of an acceleration of about 1.6 m/s2. At this rate, how long does it take to accelerate from 81 km/h to 117 km/h?

    asked on August 28, 2011
  14. ELA

    Which sentence is written in the subjunctive mood? A) Win the lottery, please! B) I won the lottery and donated half of it to charity. C) When I win the lottery, I will donate half of it to charity. D) I might win the lottery one day if I'm really lucky. I

    asked on November 1, 2017
  15. Math

    What is the quotient of −920 divided by 40? Which integer rule determines the sign of the quotient? A) 23; The quotient of integers with unlike signs is positive. B) −23; The quotient of integers with unlike signs is negative. C) 23; The sign of the

    asked on October 10, 2017
  16. Math

    1. Which equation correctly applies the distributive property? A. −3⋅(6.48)=(−3⋅6)+(−3⋅0.4)+(−3⋅0.08) ​ ​B. 2.4⋅(−3.4)⋅(−1.25)=−3.4⋅2.4⋅(−1.25) ​ ​C. (42⋅3.5)+(42⋅1.3)+(42⋅5.2)=42+(3.5+1.3+5.2) ​ D.​

    asked on September 22, 2017
  17. calc

    Find the centroid of the region bounded by the given curves. y = 2 sin 3x, y = 2 cos 3x, x = 0, x = π/12

    asked on July 8, 2014
  18. ELA

    These are my absolute last questions. In which choice is the ellipses used correctly to revise the following sentence from Madame Bovary? To spare him expense his mother sent him every week by the carrier a piece of veal baked in the oven, with which he

    asked on November 1, 2017
  19. SS

    Correctly identify ALL that happened with the rebuilding Japan after WWII. A) The U.S. divided Japan along the 17th parallel line in order to occupy both nations and prevent the spread of communism. B)Japan adopted a new constitution and democratic

    asked on September 14, 2017
  20. History-The Early Greeks

    Why did the use of money help trade grow?

    asked on March 1, 2012
  21. calculus

    find the derivative of y= 3-secx/tanx

    asked on March 6, 2010
  22. math

    In a soccer league, the ratio of boys to girls is 4 to 6. There are a total of 50 players in the soccer league. Determine how many girls play in the soccer league

    asked on March 29, 2019
  23. History-The Early Greeks

    Why did the use of money help trade to grow?

    asked on March 1, 2012
  24. ELA

    If I _____ the principal, I'd start school later in the day so students could sleep in, Bernardo thought. Which of these correctly forms the subjunctive mood? A) was B) were C) had been D) would have been I think it might b or c.

    asked on November 1, 2017
  25. Physics

    A turntable rotating at 33 1/3 rpm is shut off. It brakes with constant angular deceleration and stops in 26 seconds. Find the average angular acceleration. I took 33 1/3 divided by 26 and then tried to convert to rad/s^2 but I keep getting the wrong

    asked on February 13, 2017
  26. Math

    Jeremy collected nickels for 1 week. He is making stacks of his nickels to determine how many he has. The thickness of 1 nickel is 1/16 inches. -How tall is a stack of 16 nickels? -What is the combined height of 3 nickels, 2 nickels, and 1 nickel?

    asked on March 12, 2015

    CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2

    asked on January 27, 2014
  28. calculus

    Suppose $5000 is deposited in a bank account that compounds interest four times per year. The bank account contains $9900 after 13 years. What is the annual interest rate for this bank account?

    asked on April 9, 2012
  29. ELA

    7) What metaphor does the author use to help readers understand how the "fight or flight" response works in humans? A) a boss calling a meeting B) the body is supercharged C) a caveman running from a tiger D) the heart is an automatic weapon It might be b.

    asked on October 10, 2017
  30. Physics

    A satellite is orbiting a distant planet of mass 9.6e25 kg and radius 86700 km. The satellite orbits at a height of 8610 km above the surface of the planet. a) Determine the acceleration due to gravity at the location of the satellite orbit. b) Determine

    asked on June 11, 2017
  31. physics

    A small rock passes a massive star, following the path shown in red on the diagram above. When the rock is a distance 4e+13 m (indicated as d1 on the diagram) from the center of the star, the magnitude of its momentum p1 is 1.1e+17 kg ·m/s, and the angle

    asked on July 29, 2014
  32. Social Studies

    Put the following events in chronological order. I had already filled them in I just need somebody to confirm it is right. 6 Mao announces his "Cultural Revolution" 2 A group of young Chinese men, including a young teacher, Mao Zedong, meet in Shanghai to

    asked on September 19, 2017
  33. math

    what is three less than 11 times a number is the same as the number decreased by 13. find the number

    asked on December 6, 2012
  34. ELA

    Which sentence has a conditional verb mood? A) If you score another touchdown, your team will win. B) At last week's football game, you scored two touchdowns! C) I wondered who scored a touchdown at the football game? D) The team that scores the most

    asked on November 1, 2017
  35. Math

    A nursery sells Kentucky Blue Grass seed for $5.75 per pound and Tall Fescue seed for$4.50 per pound. The nursery sells a mixture of the two kinds of seed for$5.25 per pound. Let k represent the amount of Kentucky Blue Grass seed the nursery uses in 5

    asked on April 16, 2007

    Is it true that Shah Jahan (emperor who built the Taj Mahal) was forced to cut off his hands after he built the Taj Mahal? If this is true then I need proof. I tried going on wikipedia but it doesn't say anything about that on history or any other heading.

    asked on October 3, 2010
  37. math

    The sum of three numbers is 89 . The third number is 3 times the second. The first number is 9 more than the second. What are the numbers?

    asked on June 5, 2016
  38. Math

    On a centimeter dot array, draw all possible rectangles with an area of 16 sq cm and sides whose lengths are whole centimeters. Label the lengths of two adherent sides of each rectangle

    asked on February 5, 2013
  39. Mathematics

    Using a pair of compasses, a ruler and a pencil, construct a triangle CDE in which DE =10cm, DC= 8cm and angle DE= 45 degree

    asked on March 12, 2017
  40. Algebra 1

    A circular pool has a diameter of 12 feet. The pool is 5 feet deep everywhere. How much water is needed to fill the pool?

    asked on February 27, 2014
  41. physics

    a person riding a bicycle whose wheels have an angular velocity of 20 rad/s. The brakes are applied, and the bike is brought to a stop through a uniform acceleration. During braking, the angular displacement of each wheel is 15.92 revolutions. How long

    asked on February 13, 2017
  42. Science

    The density of ocean water depends on the depth because pressure compresses the water. If the density of ocean water at a depth of 10,000 m is 1.071 g/mL and if 25.0 g of water at that depth contains 190 mg of potassium chloride, what is the molar

    asked on March 4, 2015
  43. socialstudies(CHECK ANSWERS)

    modern mexico check answers 7. Which of the following was largely responsible for the Mexican Revolution? A. separation from Spain B. the overthrow of Maximillian(I PICK THIS) C. widespread poverty D. lack of women's rights 9.Why did the Mexican Revolution

    asked on January 27, 2014
  44. science, ocean currents

    waste produced by people in delaware has been dumped into the atlantic ocean, where it is distributed by surface ocean currents. which coastal area is most likely to become polluted by this waste

    asked on November 3, 2011
  45. Science

    In order to reproduce, flowering plants must do what? A. split into two cells B. release seeds C. regenerate D. mate I think the answer is b.

    asked on September 12, 2017
  46. physics

    A 8.05- g bullet from a 9-mm pistol has a velocity of 346.0 m/s. It strikes the 0.785- kg block of a ballistic pendulum and passes completely through the block. If the block rises through a distance h = 16.04 cm, what was the velocity of the bullet as it

    asked on February 24, 2014
  47. socialstudies

    can anyone please answer these 5 before i scratch my brain out.i did the rest but these i couldn't get What marked the beginning of agriculture in the Americas ? A.Native people began raising goats. B.The hoe was invented. C.Native people began growing

    asked on January 27, 2014
  48. science, ocean currents

    waste produced by people in delaware has been dumped into the atlantic ocean, where it is distributed by surface ocean currents. which coastal area is most likely to become polluted by this waste

    asked on November 3, 2011
  49. social studies(World Geogrophy)

    is mississippi east or west of alabama? I am not sure if it is east or west!!..

    asked on September 15, 2008
  50. Math

    If both masses are increased by 60% and the distance between them is halved, by what percent will the force of attraction increase?

    asked on November 22, 2011
  51. Biology

    On a microscope, what is the relationship between the magnification and the diameter of the field of view? The magnification and the diameter of the field are inversely proportional. The greater the magnification, the smaller the actual diameter of the

    asked on February 11, 2007
  52. Ela and this is my last question

    At the Earth’s Core Edgar Rice Burroughs 1 “Let’s have a look beyond that door, David,” he cried. 2 Together we stepped out to stand in silent contemplation of a landscape at once weird and beautiful. Before us a low and level shore stretched down

    asked on October 10, 2017
  53. Science

    Which organelle of a prokaryotic cell contain genetic information? a. cell membrane b. ribosomes c. nucleus d. nucleoid I think it is a.

    asked on September 14, 2017
  54. Physics

    when loading a toy launcher, a spring is pulled back 15 cm. the spring is known to have a spring constant of 315 N/m. A small object of mass 4.46 g is place at the end of the spring. What acceleration will the object experience the instant the spring is

    asked on March 6, 2017
  55. Math

    How do I write the equation for this. Eight less than twenty.

    asked on July 1, 2016
  56. chemistry

    I need to identify the elements oxidized and reduced and indicate which substances are the oxidizing and reducing agents for the redox reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)

    asked on May 7, 2018
  57. Calculus

    To estimate the height of a building, a stone is dropped from the top of the building into a pool of water at ground level. How high is the building if the splash is seen 6.7 seconds after the stone is dropped? Use the position function for free-falling

    asked on September 19, 2014
  58. socialstudies(CHECK ANSWERS)

    1. What marked the beginning of agriculture in the Americas? A. Native people began raising goats. B. The hoe was invented. C. Native people began growing maize.(I PICK THIS) D. The Spanish arrived. 2. Aztec aqueducts were an important accomplishment

    asked on January 27, 2014
  59. Math

    Probability Review , How many different numbers can you make with the digits 2,3,and 4 if you can use each digit as many times as you want?

    asked on March 21, 2012
  60. Calculus/Trigonometry

    What is the value of x in the equation of an ellipse??? Equation of an ellipse - (x^2/a^2) + (y^2/b^2) = 1

    asked on May 14, 2011

    I am doing a country project on India and I need to know the climate of India. I tryed looking for some facts but I didn't find any. Please suggest me some good sites for finding the climate of India or just give some good facts for India's climate. Thanks

    asked on October 2, 2010
  62. math

    last year Jodie invested $10000, part at 6% anual intrest and the rest at 8% annual intrest. if she received $760 in intrest at the end of the year how much did she invest at each rate. help is much appreciated plz help!!

    asked on January 6, 2010
  63. Science

    How can the body of an animal stay healthy? a.fighting disease b.making food c.getting enough sunlight d. reproducing I think it is c.

    asked on September 12, 2017
  64. Physics

    A horizontal spring(k= 86.2 N/m) is placed on a countertop and is compressed a distance of 36.3 cm. A 103.5 g object is placed at the end of the spring. The coefficient of kinetic friction between the object and countertop is measured to be .47. What

    asked on March 7, 2017
  65. social studies(World Geogrophy)

    a straight is a narrow body of water connecting two larger bodies of water. Find an example of a strait on a map, and write the example...... PS.I DO NOT UNDERSTAND.. PLEASE PLEASE HELP!!!!!

    asked on September 15, 2008
  66. social studies(World Geogrophy)

    In which hemisphere(s) is the Russian Federation located?

    asked on September 15, 2008
  67. Math

    - 4 + 8 -10 + (-2) Which expression shows the commutative property? A) -2 - 10 - 4 + 8 B) 4 - 8 + 10 + 2 C) 8 + 4 - 2 + (-10) D) 2 - 10 + 4 + 8 This is my weakest topic, but i think it might be d.

    asked on October 11, 2017
  68. physics

    A jumper of mass m=55 kg starts in a crouched position with the jumper's center of mass at a position y1=0 m. Just before the jumper leaves the floor, his or her center of mass is at y2=0.7 m. From another measurement, you have found that the velocity of

    asked on July 26, 2014
  69. Math

    an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?

    asked on September 19, 2013
  70. english

    What are the nouns and verbs in this sentence? Life is full of choices, so I must learn to make good ones.

    asked on January 29, 2013
  71. Math

    If 750 m of 3.00-mm-diameter wire has a resistance of 27.6, what length of similar wire 5.00 mm in diameter will have the same resistance?

    asked on November 22, 2011
  72. geometry

    The hypotenuse of a right triangle is 25 cm long. One leg of the same triangle is 7 cm long. What is the length of the other leg? Explain how you found your answer.

    asked on June 30, 2011
  73. calculus

    Find the limit for the given function. lim t-->0 (sin(8t))^2/t^2

    asked on March 6, 2010
  74. Science

    How would carbon-14 help scientists determine the earliest explorers of the new world?

    asked on January 16, 2009
  75. Spelling/Language Arts

    What word means "To overpass across water?" It has to have the J sound.

    asked on October 12, 2017
  76. Math

    8) Simplify. -2(3)2 - 8 ÷ 2 + 6 A) -18 B) -16 C) -7 D) 7 um I it is b

    asked on October 11, 2017
  77. ELA

    Find the direct object in the sentence. Fisherman collect many worms at night. Which identifies the direct object in the sentence? a.night b.worms c.many d.fisherman I think it is b.

    asked on September 14, 2017
  78. Science

    How does salmon increase the chances of the survival of it species? a.lays a thousand eggs b.splits into two c.nurtures it young d.lays one egg I think it is a.

    asked on September 12, 2017
  79. Mathematics

    Gina pulls -0.2 as her first card. What must her second card be in order for her to have a positive answer? The answer should be anything positive, right?

    asked on September 8, 2017
  80. Math (Geometry)

    What is the converse of this statement: if two angles are supplementary and congruent, then they are right angles.

    asked on September 21, 2016
  81. chemistry

    2.) If the volume of a gas at -73 degrees celcius is doubled while pressure is held constant, what will be its final temperature in degrees celsius? 5.) A gas storage tank at a large industrial plant is designed to provide fuel under constant pressure.

    asked on March 3, 2016
  82. english

    circle the simple subject

    asked on September 21, 2015
  83. geometry

    a monster truck's is 8 ft in diameter. during the last event, the tire rolled for 3 miles. how many revolutions did the tire make? 3(5280)

    asked on February 7, 2015
  84. Calculus

    Determine the equation of the tangent line at the indicated -coordinate. f(x) = e^(-0.4x) * ln(18x) for x= 3 The equation of the tangent line in slope-intercept form is

    asked on November 2, 2014
  85. Science

    What are ten observations made by Charles Darwin on his voyage and what are their significance?

    asked on April 6, 2014
  86. Algebra 1

    For the points R (9,4), A (-2,4) and T (9,3),find the length of the hornizontal and vertical sides of the figure.

    asked on March 6, 2014
  87. algebra 1

    Once trees grow to a certain height, the trunks quit growing taller and only grow thicker. The forest rangers want to calculate the diameter of the cross-section of some trees in order to estimate how much they grew in the past year. They measured the

    asked on January 28, 2014
  88. english

    Identify the nouns and verbs in this sentence please. The Lord is my strength and my salvation; in him I will trust.

    asked on January 29, 2013
  89. Math

    Stephen earned $55 last week. He spent 9% of his earnings on entertainment. What decimal represents this percent?

    asked on August 17, 2012
  90. Pre-Calc

    for the conic y=5x^2-40x+78 find an equation in standard form and its vertex, focus, and directrix

    asked on May 2, 2012
  91. Math, mathematics of finance

    I am stuck on these two math questions. If nyone could help me solve them it would be greatly appreciated! Here is the information: Engineering estimates indicate that the variable cost of manufacturing a new product will be $35 per unit.Based on market

    asked on February 18, 2012
  92. Chemistry

    Consider the following reaction. 4 Al(s) + 3 O2(g) → 2 Al2O3(s) It takes 1.00 L pure oxygen gas at STP to react completely with a certain sample of aluminum. What is the mass of aluminum reacted?

    asked on January 26, 2012
  93. Math

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

    asked on November 22, 2011
  94. math

    3L+2k = 45

    asked on January 17, 2011
  95. 4th grade

    what is a perpidicular ray?

    asked on October 19, 2010
  96. social studies

    I have found out that India spent over 7 billion dollars on the common wealth games. My question is that did they beat China's record on the money? I am pretty sure India did but I am still asking to double check.

    asked on October 4, 2010

    I am doing a country project on India. I need some good toursist attractions from India. I know a one and that's the Taj Mahal. But I need some more. Please list a few more tourist attractions, it will be a great help! thanks alot!!!

    asked on October 3, 2010
  98. calculus

    Find derivative(use logrithmic functions). y=x^-cosx

    asked on March 14, 2010
  99. calculus

    Find the derivative of the function. (y^2/(y+3))^3

    asked on March 6, 2010
  100. calculus

    find the derivative of g(y)= (y^2/(y+3))^3

    asked on March 6, 2010


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