Ella

Popular questions and responses by Ella
  1. math

    a die is thrown twice, find the probability of getting two 5’s. Be sure to represent your answer as a fraction in simplest form!

    asked on July 25, 2017
  2. Algebra

    Which is the radian measure of an angle whose sine is 0.7? A. 0.64 B. 0.76 C. 0.78 D. 0.80

    asked on May 21, 2019
  3. physics, help!!

    A metallic sphere initially has a net charge of +4.0 nC. A negatively-charged rod initially has a net charge of –6.0 nC. When the rod touches the sphere 8.2 x109 electrons are transferred to the sphere. What is the new net charge on the sphere?

    asked on November 9, 2012
  4. Math

    lisa wants to paint the ceiling of her restaurant.The ceiling is in the shape of a square Its side lengths are 48 feet suppose each can of paint will cover 192 square feet. How many cans will she need to pant the ceiling

    asked on January 23, 2017
  5. Precalculus ????

    1. At the amusement park, you decide to ride the Ferris wheel, which has a maximum height of 50 meters and a diameter of 35 meters. It takes the wheel three minutes to make one revolution. If you start your ride at the midline and the ferris wheel rotates

    asked on November 26, 2015
  6. chemistry

    a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid

    asked on February 17, 2011
  7. university physics

    A platinum resistance thermometer has resistances of 200.0 ohms when placed in a 0 degrees Celsius ice bath and 253.8 ohms when immersed in a crucible contacting melting potassium. What is the melting point of potassium? Hint: First determine the

    asked on November 20, 2012
  8. Calculus

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

    asked on February 18, 2016
  9. Algebra word problem

    A parabolic arch has a height of 20 m and a width of 36 m at the base. If the vertex of the parabola is at the top of the arch, at which height above the base is it 18 m wide?

    asked on October 11, 2014
  10. Please help with Physical Science 2!! Confused!

    Complete the following table by replacing question marks with the correct numbers: (Note: Each horizontal row is a separate example, so in row #1, 175.32 grams of NaCl is how many moles of NaCl and how many molecules of NaCl does it contain?) Grams NaCl

    asked on February 5, 2013
  11. college

    while a patient is having surgery,his doctor notices a small mole.The doctor doesn't think the mole is anthing to worry about,but he decides to remove it to perform a biopsy.What is the doctor guilty of?

    asked on July 9, 2010
  12. Science

    Which of the following statements about electromagnetic radiation is true? A. It transfers energy to objects of the electromagnetic waves. B. It can be converted to other energy forms. C. It transports the energy of electromagnetic waves. D. all of the

    asked on May 20, 2019
  13. Kinematics

    A ball is dropped from a height of 60.0 m. A second ball is thrown from the height 0.850 s later. If both balls reach the ground at the same time, what was the initial velocity of the second ball?

    asked on February 25, 2019
  14. English help urgent

    Why are the outsides of the buildings in Philbert Place so darkened ? London weather is foggy.

    asked on February 22, 2017
  15. Chemistry

    Please help! The vapor pressure of water at 35 oC is 42.175 mm Hg. The vapor pressure of ethyl alcohol (C2H5OH) at 35 C is 100.5 mm Hg. What is the vapor pressure of a solution prepared by dissolving 250 g of C2H5OH in 375 g of H2O? The answer is

    asked on April 1, 2020
  16. Math

    Find the simple interest for each of the following round to the nearest cent 27850 at 7.75% for 100 days

    asked on December 16, 2019
  17. comprehension

    Help wanted – Administrative Specialist Minimum Requirements Two years of experience in general office, clerical, and administrative support work. Education from an accredited college of an associate degree or higher. Job Summary This position will act

    asked on October 9, 2018
  18. Quick calc question

    Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the

    asked on February 17, 2016
  19. physics

    A student throws two beanbags in the air, one straight up and the other one at a 30° angle from the vertical. Both beanbags are thrown with the same initial velocity and from the same height. In your own words, explain which one will come back and hit the

    asked on March 11, 2013
  20. physics

    Three point charges, A=2.00 uC, B=7.00 uC, C=-4.00 uC, are located at the corners of an equilateral triangle. a) Find the magnitude and direction of the electric field position of the 2.00 uC charge. b) How would the eletric field be affected if the charge

    asked on November 7, 2012
  21. Stats

    The waiting times between a subway to Podger schedule and the arrival of the passenger on uniformly distributed between zero and nine minutes find the probability that a randomly selected passenger has been waiting greater than 3.25 minutes

    asked on March 11, 2015
  22. ap biology

    The best conclusion concerning delta is that the cells a. contain no DNA. b. contain no RNA. c. contain only one chromosome that is very short d. are actually in the G0 phase e. divide in the G1phase Explain your choice: Would it be d?

    asked on November 19, 2014
  23. English

    Here is another poem that uses personification to help define the theme. Answer the questions that follow using all you know about poetic devices. The heart asks pleasure first, And then, excuse from pain; And then, those little anodynes (a medicine that

    asked on November 18, 2014
  24. Geometry

    Imagine a piece of square paper that measures 20 by 20 cm. You can make a box (with no lid) by cutting a square of the same size from each corner and folding up what's left to make a box. Keeping the lengths of each sides integers, what is the maximum

    asked on December 5, 2013
  25. government

    According to the doctrine of judicial restraint, the judiciary should?

    asked on April 25, 2012
  26. chemistry

    Potassium perchlorate has a lattice energy of -599 kj/mol and a heat of hydration of -548 kj/mol. Find the heat of solution for potassium perchlorate when 10.6 g of potassium perchlorate is dissolved with enough water to make 102.7 ml of solution.

    asked on September 18, 2009
  27. Legal Aspects of Health Information

    A doctor applies for medical staff privileges at a hospital. What is the hospital administrator required to do?

    asked on May 26, 2009
  28. physics- kinematics

    General question- when do you use NEGATIVE for 9.8m/s^2? Even when the questions says "an object is thrown up in the air from top of the building, on its way down, it misses the building and falls to the ground below." If you do use a negative value, why

    asked on October 2, 2008
  29. Quick calc question

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

    asked on February 23, 2016
  30. Calculus

    Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the

    asked on February 18, 2016
  31. English

    Act I of An Enemy of the People Question Think carefully about what each quote might infer about the character and choose the most appropriate answer in the context of the play. Taking one thing with another, there is an excellent spirit of toleration in

    asked on November 17, 2014
  32. HISTORY

    Was imperialism necessary in the 19th century?

    asked on May 14, 2013
  33. Economics

    Which of the following is a characteristic of a traditional economy? A. It encourages innovation and change. B. It is usually based on light industrial production. C. It has a high standard of living. D. It revolves around the family unit.

    asked on December 6, 2012
  34. physics, help! urgent!

    A positive point charge q = +2.50 nC is located at x = 1.20 m and a negative charge of ƒ{2q = ƒ{5.00 nC is located at the origin. (a) Sketch the electric potential verses x for points on the x-axis in the range -1.50 m < x < 1.50 m. (b) Find a symbolic

    asked on November 14, 2012
  35. Physics

    If you see a red-hot star, you can be certain that that its peak intensity is in the ingrared region. Why is this? And if you see a violet-hot star, you can be certaiin its peak intensity is in the ultraviolet range. Why is this?

    asked on March 28, 2008
  36. mathematics

    For how many two-digit primes is the sum of the digits equal to 8?

    asked on May 11, 2020
  37. biology

    Which fluid fills the bony labyrinth and suspends the membranous labyrinth?

    asked on December 10, 2019
  38. Math

    At 10:00 AM a truck started traveling from point A with a speed of 40mph. 3 hours and 10 minutes later a car started to drive from point A in the same direction with an average speed of 60mph. At what time will the car catch up with the truck?

    asked on May 15, 2019
  39. Biochemistry

    A buffer solution is prepared by mixing 80.0 mL of 0.20 M NaH2PO4 and 120.0 mL of 0.20 M Na2HPO4.What is the pH of the resulting solution?

    asked on December 2, 2018
  40. Math

    Which is the best buy? (1 point) a. 16 ounces of hand soap for $2.40 b. 20 ounces of hand soap for $2.80 c. 24 ounces of hand soap for $3.00***??? d. 12 ounces of hand soap for $2.00 Check my answer pls

    asked on November 17, 2017
  41. Algebra

    Jesse Played two days of golf. On the second day, he got a score of six bellow par, or -6. His total score for the two days was o above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your

    asked on November 8, 2017
  42. Math. Answer soon please.

    An estimate for negative square root of 93 is ___ A-8.1 B-8.5 C-9.1** D-9.5 Julie is digging a square area in her backyard for a vegetable garden. If the area is 52 square feet, what is the approximate length of one side of her garden? A:6FT** B:7FT C:8FT

    asked on October 6, 2017
  43. History

    Why did the Portuguese think they could find an easier way to reach Asia? A. They had alliances with European nations to send out expeditions. B. They had a large county and a long tradition of asian exploration. C. They had a large fleet and had defeated

    asked on December 21, 2016
  44. math

    Betsy is making a flag. She can choose three colors from red, white, blue, & yellow. How many choices does Betty have?

    asked on September 15, 2016
  45. Quick calc question

    Use your graphing calculator to evaluate to three decimal places the value of the integral from negative 1 to 1 of the product 2 and the square root of 1 minus x squared over 2, dx . 3.771 3.636 1.571 1.111

    asked on February 23, 2016
  46. Quick calc question

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

    asked on February 17, 2016
  47. Precalculus ????

    The temperature in your house is controlled by a thermostat. The temperatures will vary according to the sinusoidal function: f(x)=5sin(pi/12)*(x-11)+19 where f(x) represents the temperature in degrees Celsius (°C) and x is hours since midnight. What is

    asked on November 27, 2015
  48. calculus

    A particle moves on a line so that its position at time t seconds is p(t)=3t3 meters to the right of the origin. Find the time c in the interval (4,8) for which the velocity of the particle at time c is equal to the average velocity on the interval [4,8].

    asked on March 26, 2015
  49. physics

    A mother rocket fired from the ground last year’s eve ejects 25% of its mass 2.0 at the at the rate if so m/s in the first second of its flight. Find the initial acceleration of the mother rocket.

    asked on March 25, 2015
  50. CHEMISTRY HELP

    how can analytical chemistry help on different fields of sciences and technology?

    asked on November 26, 2014
  51. Math

    What is the order of the numbers from least to greatest? 2.01, 2.1, 2.001, 2.11, 2.011

    asked on November 13, 2014
  52. Please Check Answers for Health

    Please check my answers because I need to do good at this. 1. When consuming fats the healthiest choice is foods high in? A. saturated fats B. unsaturated fats * C. trans fat D. cholesterol 2. The body's main energy source should come from what essential

    asked on November 6, 2014
  53. physics help please

    An airplane has an air speed of 112m/s [N 20 degrees W] and has a ground speed of 106 m/s [N 25 degrees W]. Find the velocity of the wind.

    asked on September 28, 2014
  54. Physics help please

    A student swims at 4m/s. She is swimming from west to east across a river that's is flowing 2.2m/s [S]. A) if the river is 100 m wide, what is the quickest time that she can swim the entire width? B) how far downstream will she be? C) if she decides to go

    asked on September 28, 2014
  55. Chemistry

    Alcoholic drinks contain ethanol. 10cm3 of ethanol is called one unit of alcohol. Men are advised to drink a maximum of 21 units of ethanol a week, while women are advised to drink a maximum of 14 units. Wine contains about 14% ethanol by volume. A) a

    asked on February 8, 2014
  56. university physics

    Derive absolute error in equations: 1)Derive absolute error in (e/m) e/m= 2V/B^2*R^2 2)Derive absolute error in B B=8uN(Inet)/square root 125a

    asked on November 21, 2012
  57. chemistry

    What will be the effect on a chromatogram of two well separated peaks if: (this is for a gas chromatography) a) the carrier gas flow is set too high? b) the temperature of the injection port is set too low? c) the temperature of the column is set too high?

    asked on April 3, 2012
  58. Chemistry

    What is the balanced equation for the reaction of acetylsalicylic acid and sodium hydroxide?

    asked on March 20, 2012
  59. English 1 Literature

    I understand what the question is asking for but I do not know exactly how to write it. Here is the question. The way a story is told and the voice that tells it are important parts of a story. Choose at least two stories from Collection 3. Analyze the

    asked on March 12, 2012
  60. English 1

    1.Writers often communicate their themes by building clues into the story. Choose one story from Collection 4 and show how the author uses characterization, title choice, and key passages to develop the theme of the story. Use examples from the story,

    asked on March 12, 2012
  61. I NEED HELP :(

    Mr. Malone is putting money in two savings accounts. Account A started with $200 and Account B started with $300. Mr. Malone deposits $15 in Account A and $10 in Account B each month. In how many months will the accounts have the same balance? What will

    asked on January 18, 2012
  62. chemistry

    a liquid has an enthalpy of vaporization of 30.8 kg.mol. at 273 K it has a vapor pressure of 102 mmHg. What is the normal boiling point of this liquid

    asked on February 17, 2011
  63. Math

    The Mathematical model C(x)=100x+20,000 represents the cost in dollars a company has in manufacturing x item during a month.

    asked on February 1, 2011
  64. English

    As she flipped through the newspapers, she saw headlines such as "Food shortages hit Mitika," "Hurricane departs coastline," and "Elkwood ravaged by flooding." Is my apostrophe and comma usage correct? Newspaper headlines are supposed to be lowercased,

    asked on October 17, 2010
  65. math

    Consider the following students method of solving the proportion 8/5 = 20/x and determine whether the methods were correct: Richie: First I divided 20 by 8 and got 2 1/2. Then I multiplied 2 1/2 by 5 and got 12 1/2 for my answer. Martha: I think of it this

    asked on August 11, 2010
  66. Geometry help

    A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? then, (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

    asked on April 21, 2010
  67. Geometry need help pls

    A. A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? B. (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

    asked on April 21, 2010
  68. American History Honors

    I need to present the most important facts about immigration in the 1920's. i.e. what acts where passed, who was for/against it, did immigration increase or decrease, etc. About 7 facts, no more than 10 -- this is for a "teach the class" assignment.

    asked on March 1, 2009
  69. SCIENCE!!!

    Explain how each of the following cell's structure is related to it's function Red blood cell- Nerve cel- Musle cell-

    asked on November 22, 2008
  70. HISTORY!!!

    How did the Dawes Act affect the Native Americans?

    asked on October 16, 2008
  71. macroeconomics

    Year - 2000 Nominal GDP: 9,817 Real GDP: ___________ GDP Deflator: 1 Inflation 2.2 Real GDP Per capita: _________ Population 283.7 Year – 2001 Nominal GDP: ________ Real GDP: 9,891 GDP Deflator: _________ Inflation 2.4 Real GDP Per capita: _________

    asked on September 23, 2008
  72. Physics

    How do the avalanches of photons in a laser beam differ from the hordes of photons emitted by an incandescent lamp?

    asked on March 28, 2008
  73. mathematics

    Emma uses a 250-meter roll of crepe paper to make streamers. How many dekameters of crepe papers does Emma use?

    asked on May 8, 2020
  74. History

    what is Germany before and after WWI?

    asked on May 7, 2020
  75. English

    Why some choose Street Dance as a hobby? List 5

    asked on May 6, 2020
  76. World History

    What is a consulate? I'm learning about the French Revolution right now if that helps. I've been getting multiple different answers and I'm confused.

    asked on April 26, 2020
  77. physics

    a boat is traveling with a velocity of 42km\h(40 degree south of east) in a river. The river's current is 5km\h south. what will be the resultant velocity of the boat relative to the shore?

    asked on January 6, 2020
  78. math

    what multiple of 9 is also a factor of 9

    asked on December 16, 2019
  79. geography

    How does the tilt of Earth’s axis and its movement around the sun play a part in the changing of the seasons in the Northern Hemisphere? its an essay question idk how to do it pls help

    asked on October 8, 2019
  80. math

    Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters

    asked on March 24, 2019
  81. Geometry

    Are the slopes given 1/-3 and -1/-3 of two lines, parallel, perpendicular, neither or both? I think the two slopes of two lines are both, but I'm not quite sure. May someone help me?

    asked on January 9, 2019
  82. Composition

    I was assigned to complete an analysis essay on The features of multiple intelligence theory, temperament, and emotion and how they make up a person character. How do I begin?

    asked on December 9, 2018
  83. bio

    Why was Gregor Mendel Successful t understand heredity? a. He used many variables b. Use of Statistics for genetic patterns c. Use of Peas d. Improved technology

    asked on October 5, 2018
  84. biology

    A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure to humans. Which of the following preliminary steps should the scientist take before conducting experiment? A. Establish a

    asked on October 5, 2018
  85. Algebra

    6. Jason tried cliff-diving in St. Thomas while vacationing with his family. His height as a function of time could be modeled by the function h(t) = -16t2 + 16t + 480, where t is the time in seconds and h is the height in feet. a) How long did it take for

    asked on May 31, 2018
  86. S.S// check answer

    Which of the following elected officials introduce laws in Congress that may become national laws? U.S. representative or senator Governor of Arkansas State representative or senator Mayor **

    asked on May 24, 2018
  87. Math

    WHat is the awnser to this question in IXL? Read the following description of a relationship: Cassie started downloading a movie on her phone, but lost connection after 61 MB had downloaded. She finished downloading at home at a speed of 99 MB per second.

    asked on April 24, 2018
  88. Science

    Yes I know this might be easy for some of you, but I have this problem on my homework and I'm confused. Why is water wet?

    asked on January 18, 2018
  89. Math

    How many inches are in 10 feet using conversion factor? Show all of your work.

    asked on November 17, 2017
  90. Math

    Which pair of ratios forms a proportion? a. 4/5 and 16/24 b. 9/15 and 3/4 c. 5/8 and 30/48 d. 9/10 and 40/45 I'm very confused pls give me the answer and how you got that so I can understand.

    asked on November 17, 2017
  91. Math

    Are the ratios 25/45 and 15/27 proportional? Explain and show your work (2 points) A 10-acre field produced 750 bushels of corn. At that rate, ho much corn be produced at a 14-acre field? Show all of your work. (2 points)

    asked on November 16, 2017
  92. Math

    5.Solve the proportion using cross products. (1 point) 18/20 = k/110 a.99 b.122 c.3.3 d.2.9 I'm confused please give me the answer and how you found it so I can do it on my own next time

    asked on November 16, 2017
  93. Math

    1. Which ratios form a proportion? (1 point) a. 3/15, 12/55 b. 8/24, 12/35 c. 5/18, 25/90 ***??? d. 4/11, 16/25 2. Which ratio forms a proportion with 9/15? (1 point) a. 6/10 ***??? b. 16/21 c. 36/50 d. 45/70 3. A textbook weighs 2.5 pounds. How many

    asked on November 16, 2017
  94. Math

    1. Which ratios form a proportion? (1 point) a. 3/15, 12/55 b. 8/24, 12/35 c. 5/18, 25/90 d. 4/11, 16/25 2. Which ratio forms a proportion with 9/15? (1 point) a. 6/10 b. 16/21 c. 36/50 d. 45/70

    asked on November 16, 2017
  95. Algebra

    the difference of two numbers is 10. the sum of three times the smaller number and four times the larger is 75. find the numbers

    asked on November 13, 2017
  96. Algebra

    Jesse Played two days of golf. On the second day, he got a score of six bellow par, or -6. His total score for the two days was o above par, or 0. Define a variable. Then write and solve an equation to find the score Jesse got on the first day. Show your

    asked on November 8, 2017
  97. math

    when do you need toregruop or rename mix fraction

    asked on August 8, 2017
  98. maths

    I am thinking of a number. I multiply it by 10 and subract it by 127. I get the same number if I multiply by 6 and subract 11.

    asked on March 20, 2017
  99. social studies (Egypt)

    who used canopic jars besides the pharaoh? Or only the pharaoh

    asked on December 7, 2016
  100. Math

    Peter is three times as old as Sue, who is four years older than Joe. In 20 years, Peter will be twice as old as Joe. How old is Peter now?

    asked on November 6, 2016

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