Lucy

Newest questions and responses by Lucy
  1. Algebra

    A = P(1 + rt) is used to find the principal amount P deposited, earning r% interest, for t years. Use this to find what principal amount P David invested at a 5% rate for 12 yr if A = 7,000.

    asked on February 7, 2019
  2. maths

    A plane climbed 10.000m in 19.4 minutes. What was the average rate of climb per minute

    asked on January 27, 2019
  3. math

    A 47 degres counterclockwise rotation centered at (3,-1) transforms (2,1) into what point?

    asked on December 19, 2018
  4. math

    Let A = (−7,−4) and B = (7,4), and consider the equation PA•PB = 0. Describe the configuration of all points P = (x, y) that solve this equation.

    asked on December 6, 2018
  5. Physics

    A 4.2 kg object is subjected to two forces, F~ 1 = (2.1 N) ˆı + (−1.7 N) ˆ and F~ 2 = (3.2 N) ˆı + (−11.2 N) ˆ. The object is at rest at the origin at time t = 0. What is the magnitude of the object’s acceleration?

    asked on October 14, 2018
  6. math

    In a Grand Prix automobile race, Speedy Ryder averaged 110 miles per hour for the first half of the course and 130 miles per hour for the second half of the course. Cannonball Carter maintained a constant speed of 120 miles per hour throughout the race.

    asked on July 24, 2018
  7. math

    Statuary Hall is an elliptical room in the United States Capitol Building in Washington, D.C. The room is also referred to as the Whispering Gallery because a person standing at one focus of the room can hear even a whisper spoken by a person standing at

    asked on June 10, 2018
  8. science

    Does sound go through a wooden block?

    asked on May 23, 2018
  9. History

    Explain the Elizabethan beliefs regarding pride.

    asked on April 11, 2018
  10. Physics

    A cylinder has a diameter of 15cm. The water level in the cylinder is maintained at a constant height of .45m. If the diameter of the spout pipe is .50cm how high is the vertical stream of water?Assume water to be an ideal fluid

    asked on April 11, 2018
  11. Math

    The model builder has 4 pieces of balsa wood that are 4 cm,5 cm, 6 cm, and 7 cm in length. How many different combinations of 3 pieces can be used to make triangles without breaking or cutting the pieces? List the combinations as inequalities.

    asked on February 15, 2018
  12. Social Studies

    1.How has geography shaped the history of Arabia and Iraq? 2.Why did Muslims split into Shia and Sunni groups?

    asked on February 12, 2018
  13. Social Studies

    1.What are the cultural traits of Russia? 2.What is the main religion of Russia?

    asked on February 6, 2018
  14. Civics

    Special purpose districts are 1. agencies that accept tasks from the national government. 2. neighborhood groups without government 3. local governments designed to meet a specific need 4. regions created only for running state elections

    asked on December 11, 2017
  15. English

    What is the main conflict in the book, Leaving Home? How does the author us "Italics" in the excerpt, and what is it letting the readers know? What is the true story" element in the book, I Am Malala? What is the purpose of dialogee, and what does it let

    asked on September 24, 2017
  16. English

    What is the main conflict in the play, Leaving Home?

    asked on September 24, 2017
  17. Chemistry

    A model rocket is launched straight upward with an initial speed of 45.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 160 m. A. what is the max height reached by the rocket? B. How long after

    asked on September 10, 2017
  18. PAP ALG

    the average radius of Jupiter's orbit is 464,779,036 miles, and it travels at an average speed of 28,108 miles per hour. Q: How many years does it take Jupiter to orbit the sun?

    asked on August 25, 2017
  19. Math

    If three teachers can grade 40 tests in 3 hours, how many hours will it take 12 teachers to grade 480 tests?

    asked on July 3, 2017
  20. Math

    Find the measure of triangle ADC if A is (3x+2) degree, B is (4x-24) degree, C is (2x+2) degree and D is x+10 degree

    asked on June 19, 2017
  21. Social Studies

    What effect did United States policy have on the Soviet Unions war in Afghanistan and why did Soviet troops finally withdraw from Afghanistan in 1989? A. With U.S. support, the Soviet Union defeated the Afghan rebel forces. B. During peace talks, Ronald

    asked on May 22, 2017
  22. Statistic

    15% of m&m's candies in a bag are yellow. If you randomly pull 3 m&ms of the bag what is the probability the first one is yellow and the next two are not? A. 11% B. 22% C. 67% D. 85% My answer is D. 1 - 15% =0.85. I think I'm doing it wrong

    asked on May 10, 2017
  23. Statistic

    I pick a. Is it correct? Which of the following measurements is likely to have the least variation (the smallest standard deviation)? a. The volume of liquid in a simple of unopened 2-liter bottles of sodas. b. The SAT scores of a class of graduating high

    asked on May 10, 2017
  24. Chemistry

    After balancing the following redox equation(using small whole-number coefficients), add the coefficients of all species in the balanced equation. Bi(OH)3 + SnO2^(2-) → Bi + SnO3^(2-) (basic solution) --- I separated the equation into two and i know the

    asked on May 7, 2017
  25. Math

    For what value(s) of b, if any, will the function q(x) = (x^4)/2 +b*x^2 +32x-5 have a derivative of zero AND a point of inflection at the same value of x?

    asked on April 12, 2017
  26. math

    Santiago, a park ranger, was trying to estimate the number of catfish in a lake. He randomly caught 32 catfish, tagged them, and let them go. Six months later, he surveyed fisherman at the lake about how many catfish they caught that were tagged. His

    asked on March 29, 2017
  27. Calculus Question! ASAP!

    Hello! I have this problem: x(dx)/sqrt(9-x^2) I was wondering why I can't use trig substitution and substitute sqrt(9-x^2) for sqrt(1-sec^2) and having: integral x = 3sin(theta) dx = 3cos(theta)d(theata) integral 3sin(theta)(3cos(theta))/3cos(theta) having

    asked on February 15, 2017
  28. Help! Calculus

    I am so confused on how to solve this problem. I have it set up with y's on one side and x's on the other but I don't know what to do from there. Question: Solve the differential equation. The initial condition is y(0) = 1. ((x^2+1)^(1/2))(dy/dx) -

    asked on February 1, 2017
  29. Ap algebra

    2+3X^2-X^3=0 by use quadratic formula. The answer of textbook is 3.19 So I solved and came out a wrong answer What I did factor out (-X+3)X^2+2=0 Then By quadratic formula, a=1,b=0,c=2. Thus I got sqrt(8)/2

    asked on January 25, 2017
  30. Time Value of Money

    Please help me with guidelines on what really is the first thing to do when answering this type of questions on this topic,what is the catch on these topics?

    asked on January 20, 2017
  31. Managerial finance 4A

    Mr Paul is identified three investment opportunities that he is considering.one is investment A that is expected to pay N$800.00 ayear for three years,followed by N$1000.00 per year for four years. it will pay N$2000.00 at the end of the eighth year.

    asked on January 20, 2017
  32. math

    there are 32 students 12% got an A.How many of them got A's.i need help converting this percentage to a whole number please help

    asked on January 17, 2017
  33. English

    The movie called Curcible reveals the church and court both state that all liars will be damned, but only can tell who the real sinners are. What does that mean ? What are they trying to say ?

    asked on January 5, 2017
  34. HELP!

    Earth's inner core exists at temperatures as high as 7000oC. It exists as a _______ due to the _________. A) solid; high pressure B) liquid; high pressure C) solid; high temperature D) liquid; high temperature

    asked on December 14, 2016
  35. HELP!

    Which set of numbers is correctly ordered from smallest to greatest? A) 0.009, 0.0099, 0.0909, 0.099 B) 0.0099, 0.009, 0.0909, 0.099 C) 0.0909, 0.099, 0.009, 0.0099 D) 0.099, 0.0099, 0.009, 0.0909 Help ME!

    asked on December 8, 2016
  36. Math

    The approximate distance of the moon from Earth is 4 x 105 km and the average approximate distance from the Earth to Venus is 4 x 107 km. How much farther is Venus from Earth than the moon?

    asked on December 8, 2016
  37. Math ratios

    which is equivalent to 4/16 A. 2:4 B. 10:9 C. 10/24 D. 12 to 64

    asked on December 8, 2016
  38. AP Language-Inductive/Deductive

    These are pretty hard, at least to me. Please help me check my answers. 1. Most luxuries, and the so-called comforts of life, are not only indispensable, but positive hinderances to the elevation of mankind. With respects to luxuries and comforts, the

    asked on December 8, 2016
  39. Spanish 2 Present Subjunctive

    Please check my answers. I know I'm missing accents. 1. Os recomienda que ___ otra llave de recepcion. a) pedis b) pidais*** c) piden d) pida 2. Which of the following sentences is correct? a) Es importante tu estudies mucho. b) Es necesario que hacer

    asked on December 6, 2016
  40. steve plz help me on my math

    Find the perimeter of a rectangular area with a length of 13 inches and a width of 7 inches using distributive property and not using it.

    asked on December 1, 2016
  41. Math

    You want to buy three books that are on sale at 20% off. The original prices of the books are $2.50, $4.95, and $6.00. How much will you save?

    asked on November 30, 2016
  42. english

    what are the layers of analysis for 'if i'll why hath it given me earnest of success?' from act 1 scene 3 MACBETH SHAKESPEARE. thank-you.

    asked on November 9, 2016
  43. english

    'Agape is the highest form of love' Give two arguments with counter arguments to show you have considered more that one point of view. I need help ASAP

    asked on November 9, 2016
  44. Math

    A 73​-ton monolith is transported on a causeway that is 2500 feet long and has a slope of about 2.2°. How much force parallel to the incline would be required to hold the monolith on this​ causeway?

    asked on November 3, 2016
  45. Chemistry

    How many grams of ethanol must be added to 500.0 g of water to make a solution that freezes at 0.00 degrees fahrenheit? The molal freezing point depression constant for water is 1.86 degree celsius over moles.

    asked on October 24, 2016
  46. School Talk

    What happened to "School Talk?" That was kinda helpful.

    asked on October 11, 2016
  47. Biophysics

    Estimate the flow of oxygen into the cell through a side of the muscle cell squished up against the capillary. (give both moles/sec and # molecules/sec.)

    asked on September 29, 2016
  48. Math

    Please help me with this step by step show your work problem. |-4b-8|+|-1-b^2|+2b^3 (b= -2) My work |-4b-8|+|-1-b^2|+2b^3 |-4(-2)-8|+|-1-(-2^2)|+2(-2^3) |8-8|+|-1-4|-16 8+8+5-16 16+5-16 5 Could you check my work? If it is incorrect, could you show me the

    asked on September 26, 2016
  49. Physics

    Find, to 3 decimal place, the frequency of the hour hand of a clock

    asked on September 14, 2016
  50. Spanish 2

    1. Which of the following is correct? a) Maria estaba cocinando cuando ella se cortaba. b) Maria estaba cocinando cuando ella se corto. c) Maria estuvo cocinando cuando ella se cortaba. d) Maria estuvo cocinando cuando ella se corto. 2. Which of the

    asked on September 11, 2016
  51. interior decorateor

    Which of the following statements is correct regarding the design concept of emphasis? A. Focal points in a room's architecture must be emphasized with contrasting colors. B. A focal point can't be established in a setting where formal balance is used. C.

    asked on August 24, 2016
  52. Music

    Can anyone help me find guitar chords for Regina spektor' song a cannon?

    asked on August 17, 2016
  53. Physics

    A 2.8 kg duck is swimming at 0.35 m/s and a 3.4 kg goose is swimming at 0.75 m/s. Which bird would make the biggest impact on you if it carelessly swam into you? Explain. I'm not sure where to start. Could I have some help please?

    asked on July 5, 2016
  54. Physics

    A 2.8 kg duck is swimming at 0.35 m/s and a 3.4 kg goose is swimming at 0.75 m/s. Which bird would make the biggest impact on you if it carelessly swam into you? Explain. I'm not sure where to start. Could I have some help please?

    asked on July 5, 2016
  55. history

    Hi, I have this history question on a past exam paper i'm confused about, and was wondering if you could help? The question: "I write from the battlefield of the Great Push with thousands of shells passing in a tornado overhead, and thousands of unburied

    asked on June 27, 2016
  56. Science

    A 450-g block is attached to a spring of spring constant 45 N/m and is in simple harmonic motion on a frictionless surface with an amplitude of 7.5 cm. A second identical block, moving at 12 m/s in line with the spring, strikes the first one when the

    asked on June 9, 2016
  57. Math

    Three picture frames are on a dresser.two are shaped like squares and the other is a trapazoid. how many sides are there in the frames altogether? Please help today

    asked on May 23, 2016
  58. Life orientation

    discuss the contributing factors that lead to this issue

    asked on May 10, 2016
  59. Maths

    in a game you have to guess what a number is through some clues the clues you are given are the hundreds digit is twice as large as the thousands digit the ones digit is the largest the sum of the digits is 14 the tens digit is two less than the ones digit

    asked on April 24, 2016
  60. Chemistry

    What is the pH of a 0.052 Mole solution of HCl?

    asked on April 12, 2016
  61. Math 143

    What is the probability of not rolling a number larger than 4 with a fair die?

    asked on April 10, 2016
  62. Math

    Using only sides that are whole numbers, name the dimensions of three rectangles that have perimeters of 14 units.

    asked on April 5, 2016
  63. physics

    explain the physics concept to why a ship sounds when moving in water?

    asked on March 26, 2016
  64. physics

    explain the physics principle why the size of tree stem decreases upwards?

    asked on March 26, 2016
  65. physics

    state or law which explains why a ship can easily sink than overturn?

    asked on March 26, 2016
  66. physics

    why is it cold in winter and hot in summer basing on physics knowledge

    asked on March 26, 2016
  67. mathematics

    the age of jane and john add up to 25years.8years ago jane was twice as old as john.how old are they now?

    asked on March 26, 2016
  68. physics

    the age of jane and john add up to 25years.8years ago jane was twice as old as john.how old are they now?

    asked on March 26, 2016
  69. Math

    There are24 counters How many counter can you make and why

    asked on March 9, 2016
  70. pre algebra

    a community has 1316 females. if 47% of the community is female and 16% of all the females are left-handed, how many people are in the community?

    asked on March 3, 2016
  71. Math

    A shipping crate carrying e-readers has a length of 19 1/3 feet, a width of 7 2/3 feet and a height of 7 5/6 feet. What is the volume of the shipping crate. Please Help.........

    asked on February 26, 2016
  72. History

    What does this mean? "It is apparent to my mind that the President thoroughly believed the tenure of office act to be unconstitutional and void . He was advised by every member of his cabinet...... "This was a punitive statue. it was directed against the

    asked on February 11, 2016
  73. math

    Mrs Smith is having a party . She has 24 students . She estimates each student will eat 3/8.How many pizzas should Mrs. Smith order?

    asked on February 3, 2016
  74. ICT

    List five precautions users should take to protect themselves and their files when they are using a cybercafé.

    asked on January 20, 2016
  75. Science

    heartworm is a type of worm that enters a dogs body through a mosquito bite. it produces offspring that lodge in a dogs arteries and food off of surrounding cells. which type of relationship is this a. mutualism b. predation c. commensalism** d. parasitism

    asked on December 2, 2015
  76. US History

    William Penn found Pennsylvania for New England or New Netherlands? Thanks!

    asked on December 2, 2015
  77. english

    An imperative sentence is to a command as a declarative sentence is to a/an A. statement. B. wish. C. question. D. exclamation. my answer is D

    asked on November 25, 2015
  78. english

    (1) Jack had been without a car since Monday. (2) The car needed a new battery, and Jack was broke. (3) Although he was embarrassed, Jack called his mother. (4) He felt he had no choice. (5) Fortunately, his mom was happy to help out. (6) She said she had

    asked on November 25, 2015
  79. Science

    Why the átomo never seen before

    asked on November 25, 2015
  80. Ciencias

    ocasionalmente los hospitales tienen brote de infecciones por la bacteria estafilococos la cual reciste el tratamiento con antibiótico que una vez fuera efectivo. ¿cual es la explicación más aceptable para esta situación?

    asked on November 25, 2015
  81. Ciencias

    Porque el estafiilococo es resitente a los tratamiento con antibiotico

    asked on November 24, 2015
  82. math

    when james planted a tree 5 m from a window the tree just blocked from view a building 50 m away if the building was 20 m tall how tall was the tree?

    asked on November 15, 2015
  83. math

    when james planted a tree 5 m from a window the tree just blocked from view a building 50 m away if the building was 20 m tall how tall was the tree?

    asked on November 15, 2015
  84. Stats

    The manager of Lone Star Restaurant believes that the average wait time of the Saturday evening meal is 30 minutes. To test this belief, the manager selects 50 customers at random and computes the average wait time to be 34 minutes. Assume a population

    asked on November 9, 2015
  85. English

    Has anyone read "The Destructors" who can help me with a few questions? My questions are: The mood on "The Destructors" is best described as humorous horrific adventuresome cold In "The Destructors" Greene uses a lot of ___ in the boy's language to enrich

    asked on November 8, 2015
  86. Language Arts

    1. In which sentence is the word blander used logically? A. The cook added spices to make the food taste blander B. If you do not like hot food, you should you blander dishes C. In ordinary circumstances, hot sauce makes the food taste blander** D. The

    asked on November 6, 2015
  87. English

    please help me with this sentence they are many geeks already around the world.

    asked on November 5, 2015
  88. Math

    Is the simplified form of 2square root of 3 − 2square root of 3 rational Yes or No

    asked on November 4, 2015
  89. Math

    How do I rewrite this as a radical expression? (3 2/3) 1/6

    asked on November 3, 2015
  90. math

    please help me with this!!! How can I rewrite this as a rational exponent? 3 square root 2^7 Thanks

    asked on November 3, 2015
  91. Math

    write the following equation in slope intercept form 3x+4y=12 I'm lost on this question

    asked on November 3, 2015
  92. sciences

    All of the____in a given array must be the same type. Element, statement, instructions, loop.

    asked on November 3, 2015
  93. English

    A verb phrase that acts as a noun is called a(n) participal adverbial infinitive gerund Which of the following is a prepositional phrase in the sentence below? (Applause came from the bleachers.) Applause came came from from from the bleachers My answers:

    asked on November 3, 2015
  94. Spanish

    Which sentence correctly substitutes the bolded phrase? Carla compro /los anteojos de sol./ Carla las compro Carla lo compro Carla los compro Carla la compro I'm confused because it's los anteojos but I thought los was part of it, and that it doesn't make

    asked on November 1, 2015
  95. English

    Read the following line from "Not Waving but Drowning." "Poor chap, he always loved larking And now he's dead" a. detached b. pleased c. objective d. critical NOT WAVING BUT DROWNING Stevie Smith Nobody heard him, the dead man, But still he lay moaning: I

    asked on November 1, 2015
  96. Algebra

    Please check my answer The domain of the following relation: R: {(−4, 8), (8, 10), (5, 4), (1, 6), (5, −9)} is a. {8,10,4,6,-9} b.{-4,1,5,8) c. {-4, 8, 5,1,5} d. no domain exists I think that it is A, Am I right? Thanks

    asked on October 30, 2015
  97. MATH

    Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit on every wrap is $3. Sal made a profit of $1,470 from lunch specials last month. The equation 2x + 3y = 1,470 represents Sal's

    asked on October 28, 2015
  98. math

    I'm so lost I have no idea. Please help Write the equation of the line that represents this graph. Show your work or explain how you determined the equations. graph of line going through ordered pairs (0, 300) and (450, 0)

    asked on October 27, 2015
  99. Algebra

    Among all pairs of numbers with a sum of 34, find the pair whose product is maximum. Write your answers as fractions reduced to lowest terms.

    asked on October 9, 2015
  100. MATH HELP PLEASE

    Find two points on the graph of the parabola other than the vertex and x-intercepts. k ( x ) = ( x − 1 )^(2) − 6

    asked on October 7, 2015

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