Questions Asked on
February 5, 2018

  1. Stats 2

    1. At the national level, the average income for a given occupation is $74 914. You want to determine if the income for member of the occupation is the same in Chicago. You take a random sample of 112 members of the occupation in Chicago. You find that

    asked by Porsha
  2. Math

    1. Classify the triangle according to side length and angle measurement 2. Classify the triangle according to side length and angle 3. Classify the triangle with side lengths 4,4, and 4 4. Classify the triangle with the measuring 69,42, and 68, 5.

    asked by Madi
  3. physic

    Three forces act on an object with F1 = (6.03i + 11.17j) N and F2 = (2.19i − 13.53j) N. If the net force on the object is zero, what is the unknown force, F3? (Express your answer in vector form.) F3 = N

    asked by joy
  4. physic

    A particle with mass m = 3.80 kg accelerates according to a = (−2.60i + 1.70j) m/s2. (a) What is the net force acting on the particle? (Express your answer in vector form.) F = N (b) What is the magnitude of this force? N

    asked by joy
  5. physic

    Can somebody shows me how to calculate for part c. the answer key is 1.365h. A jetliner travels with a constant speed of 573.7 km/h relative to the air to a city 780.1 km due south. (a) What is the time interval required to complete the trip if the

    asked by joy
  6. circuits 2

    a 25ohm resistor connected in series with a coil of 500ohm resistance and 150mH inductance. What is the power factor of the circuit? NOTE: since not given, assume a standard electrical frequency of 60Hz.

    asked by student
  7. maths

    Verify that the shape with vertices at P(-5, 2), Q(-1, 3), R(-2, -1) and S(-6, -2) is a rhombus.

    asked by ryan
  8. math

    If, initially, there is 20 mg of gold-198 (198Au) (half-life = 2.696 days), how many days does it take for less than 1 mg to remain?

    asked by anonymous
  9. Social Studies Help!

    What was the goal of the North American Free Trade Agreement? A) Increase tariffs on imported goods. B) Encourage trade and economic growth between Canada, the United States, and Mexico. C) Increase the cost of free trade. D) Increase tariffs on exported

    asked by Brooklyn/Connexus Girl
  10. Math

    You invested $1000 in a savings account in 6th grade. The account pays 5% annual interest. How much money will be in the account after 6 years? I understand how to set the equation up, but I'm not sure how to get the final answer. This is a question from

    asked by Confuzzled
  11. Math

    You invested $1000 in a savings account in 6th grade. The account pays 5% annual interest. How much money will be in the account after 6 years? I understand how to set the equation up, but I'm not sure how to get the final answer. This is a question from

    asked by Anonymous
  12. English

    Would "a typewriter on fire" be a metaphor??

    asked by Fari
  13. History

    Which of the following statements best describes the middle class during the Industrial Revolution?A. The middle class lived in tenements because they faced harsher economic problems. B. The middle class women did not do physical labor and instead they

    asked by Anna
  14. Math

    The length of a rectangle is three times as long as its width. Its area is 675 square feet. a. Write an equation that demonstrates the given information. b. Find the dimensions of the rectangle.

    asked by Sara
  15. math

    An object is dropped from a balloon 3600 feet above the ground. Find the time it takes to reach the ground if the height of the object is given by the equation h(t) = –16t^2 + 3600

    asked by Sara
  16. math

    What is the amount of sales tax owed on a $35 jacket if the tax rate is 6%

    asked by Mr.cullison
  17. Math

    1. which solid has a base that is a triangle and three lateral surfaces that are triangles? A) Triangular Pyramid *** B) Triangular Prism C) Rectangular Prism D) Rectangular Pyramid 2. A solid with at most one base cannot be which of the following? A) Cone

    asked by Im a idiot
  18. History

    Which of the following examples support the notion that a free press is an essential element of a limited government? Select all that apply(2 points) A:Journalist are entitled to cover trials.*** B:We need a fourth branch of the federal government. C:It is

    asked by anonymous
  19. algebra 2

    The mass of the particles that a river can transport is proportional to the sixth power of the speed of the river. A certain river normally flows at a speed of 3 miles per hour. What must its speed be in order to transport particles that are 200 times as

    asked by John
  20. Science

    Which of these is lesser likely to influence temperature? A: latitude of the area B: population of the area C: proximity to the ocean D: proximity to a mountain

    asked by Aye
  21. Honors American Government

    States' Rights and the Division of Powers In Mulloch v. Maryland (1819), a bank manager refused to pay an unfair state tax on a federal bank. He was convicted in Maryland, but the supreme court reversed the decision. It ruled that the state tax would have

    asked by girly girl
  22. Science 1 Question ASAP

    5. Which of the following reduces global warming A. driving more frequently B. reducing public transportation C. reducing electricity use *** My Answer D. cutting down forests

    asked by Swimmer
  23. Alegbra 1

    Clay Potts owns a ceramic store. His brother Jack works for him. Jack earns wages of 50 dollars per day plus 10% of the profits. Clay gets the other 90% of the profits. On Monday the store makes a profit of 30 dollars. How much does Clay get?

    asked by Bill
  24. Chemistry

    write unbalanced oxidation and reduction reactions for the following processes: Mn³⁺(aq) → MnO₂(s) + Mn²⁺(aq)

    asked by Anon
  25. Chemistry 11

    Mass of oxygen needed to react completely with 64.3 g ammonia?

    asked by Aiga
  26. Statistics

    For the given pair of events A and​ B, complete parts​ (a) and​ (b) below.   ​A: When a page is randomly selected and ripped from a 2121​-page document and​ destroyed, it is page 1515. ​B: When a different page is randomly selected and

    asked by Jayson Jahova
  27. reasoning

    how many more degrees warmer was it at 3pm than at 3am

    asked by tilly
  28. Pre-algebra Math

    George is a salesperson in a jewelry store and earns $100 per week, plus 10% of his weekly sales. If George makes $425 in one week , what are his sales for that week? $5,250 $4,250 $4,000 $3,250***** I think its D but I'm not certain. Can someone please

    asked by SwimmerGirl
  29. mis sue

    do you bann people because people be mean to others or do u just like deleting post like my recent. I love u miss sue best tutor ever :) have a great day :)

    asked by U dew nut nu de wae
  30. Physics

    If s =at^2+bt+c. What is the correct units of a,b and c?

    asked by Ekperikpe
  31. Social Studies

    Write a paragraph describing how the U.S government managed the economy during WWI and the Economic effects of that management. Consider the roles played by the Food Administration, War Industries Board, and the War Labor Board.

    asked by Ignore
  32. Health

    Please check my answers! 1. A(n) ______ is an agent that causes disease. a) stressor b) pathogen* c) addiction d) drug 2. Symptoms of an STI include (select all that apply) a) sneezing b) !@#$%^&l or urethral discharge* c) there may be no symptoms* d)

    asked by Emma
  33. history

    Which of the following is true about the Puget Sound Lowlands?

    asked by Anonymous
  34. algebra

    The light intensity of a light bulb varies inversely as the square of the distance from the light bulb. The function I(d) =   k/d^2 models this situation, where I is the light intensity, d is the distance from a light source, and k is a constant. If

    asked by Nate
  35. algebra

    The force, F, needed to break a board in a martial arts class varies inversely with the length, L, of the board. If it takes 24 pounds of pressure to break a board 2.5 feet long, how many pounds of pressure would it take to break a board that is 18 inches

    asked by Nate
  36. Algebra 1- Exponential Growth & Decay

    How are exponential growth and decay present in the real world? Give at least 2 examples for exponential growth and 2 examples of exponential decay. My Answer: I have only been able to think of one example of exponential growth which is hair growth. From

    asked by Anonymous
  37. algebra

    Write the number 2.4 in the form , using integers, to show that it is a rational number

    asked by lala
  38. algebra

    According to Boyle’s law, the volume V of a gas varies inversely to the pressure P exerted by the gas. The volume of a given gas under a pressure of 32 kg per cm2 is 200 cm3. What will be the volume of this gas when the pressure exerted is 40 kg per cm2?

    asked by Nate
  39. algebra

    The time it takes to finish a job varies inversely as the number of workers helping with the job. If 8 workers require 12 hours to finish a job, how much time would 18 workers require to finish the same job?

    asked by Nate
  40. algebra

    A pump can be adjusted to empty a 1000-liter pool at different rates. When operated at a rate of liters per minute, the pump takes minutes to empty the pool. Which equation below relates and correctly?

    asked by Nate
  41. algebra

    Assume that y varies inversely as x. If y is 2.4 when x = 5, which is an equation that relates x and y?

    asked by Nate
  42. Chemistry

    1.) The the following reaction is: BaCO3 --> BaO + CO2 Decomposition reaction Single replacement reaction Combustion Reaction Synthesis Reaction Double replacement reaction 2.) When magnesium is burned in the presence of oxygen, it produces magnesium oxide

    asked by Clueless
  43. Induced current, EMF.

    What is the maximum magnitude of the induced current in mA and how many times does this occur per second? ------------------------------- For the second part of this question since I know the Angular Velocity (w) of a rotating coil with experiences this

    asked by Anon
  44. physics

    Calculate the linear expansivity of a brass of length 120m that assume a new length of 120.05m when heated through a temperature of 100°c

    asked by Living stone model college
  45. Chemistry

    Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.

    asked by Miranda
  46. History

    What led to self-determination in colonies? Colonial inhabitants realized they could sell their own resources if they were able to determine the fate of their own countries. Colonial inhabitants needed to gain control of their countries after imperial

    asked by Quinn
  47. Language

    who will win if a lion wolf and a fox Is fighting?

    asked by Vhristina
  48. chdm

    calculate the wavelength if a given proton emits energy at 73kj/mol is it 1600nm?

    asked by lilpeep
  49. Chemistry

    Help!!!! Describe how to make 20 mL of a 6.0 % solution from a stock solution with a concentration of 10 %.

    asked by Mir
  50. History

    Which identifies the influences imperial Spain had on the Americas? Spanish discovery of the Americas led to an influx of tourists. Spanish money helped to build needed industries in the Americas. Spanish religion, language, and culture replaced local

    asked by Quinn
  51. Math

    In a candy bar 132 calories are from sugar. There are 220 calories in the candy bar. What percent of the calories are from sugar? A. 60 B. 52 C. 56 D. 68

    asked by KJRCH
  52. math

    A restaurant sells a coffee refill mug for $6.75. Each refill costs $1.25. Last month Keith spent $31.75 on a mug and refills. Write an equation you can use to find the number of refills that Keith bought.

    asked by Anonymous
  53. Art

    Which of the following options is the best choice for preservation of non-traditional, temporary art? photographs synthetic resin a glass case protective covering My answer..synthetic resin

    asked by Please check.
  54. chemistry

    The following chemical equation shows the incomplete formula for burning methanol. The question mark represents the unknown number of oxygen (O2) molecules. How many molecules of O2 are needed to balance this chemical equation? 2CH₃OH + ?O₂ > 2CO₂ +

    asked by Avery
  55. Science

    1.Which of the following best describes an atom? A protons and electrons grouped together in a random pattern B protons and electrons grouped together in an alternating pattern C a core of protons and neutrons surrounded by electrons D a core of electrons

    asked by queen bee
  56. language arts

    Both "Grandma Ling" and "your little voice . . ." use imagery to convey the emotions or attitudes of the speakers. Choose one of these poems. In a paragraph, discuss how the poet uses imagery to present the speaker's feelings. Support your response with

    asked by Erica McDonnell
  57. Math

    The cancer Society is holding three charity events. They hope the average attendee for the three events will be between 500 and 540, inclusive. The attendance for the first two shows was 480 and 540. What possible attnedence numbers for the third event

    asked by Dong liAng
  58. Physics

    An airplane from rest accelerates on a runway at 5.50 m/s² for 20:25 seconds until it finally takes off the ground. What is the acceleration before the take off?

    asked by Nikolei
  59. Math

    Without solving, explain how you can tell whether the solution to 0.5x= 10 is less than or greater than 1.

    asked by Maya
  60. chemistry

    A TUMS tablet was dissolved in 100.00 ml of 0.1805 M HCl and analyzed for CaCO3 according to the procedure described in the lab manual. It took 11 ml of 0.1491 M NaOH to reach the endpoint. Calculate the mass of CaCO3 in TUMS tablet to the correct number

    asked by danica
  61. calculus

    please help! having issue with exponent part of problem. I come to 16x^4 but I think it should be 16x^3.i also have complications with finding the domains. find the derivative of the function using the definition of derivative. f(x)=4x^4 f'(x)=? State the

    asked by brit
  62. Algebra

    A rectangular playground has an area represented by 3x^2+14x+8. If its width is represented by 3x+2, what could be its length? I just need to figure out how to solve it, not the actual answer. Thanks!

    asked by Bob Ross
  63. chemistry

    Which chemical equation is balanced to show that mass is conserved during the reaction? A. Na + Cl₂ --> NaCl B. 2H₂ O₂ --> 2H O + O₂ C. CH₄ + O₂ --> CO₂ + 2H₂ O D. AgNO₃ + MgCl₂ --> AgCl +MgNO₃ Please Help!!!

    asked by Avery
  64. math

    Yuri has a rope 12 meters long. He cuts into pieces that are 2 meters long. What fraction of the rope is one piece?

    asked by Anahi
  65. physics

    A 18 kg rock is attached to a 52 N/m spring, you then start to swing the spring above your head in a horizontal circle at 32 radians/s. Calculate how far the spring will stretch during this motion assuming its relaxed length is 1.5meters. Ignore any

    asked by john
  66. science

    Light waves are traveling through glass. If the wavelength of some part of the light wave is 4 x 10-7 m and the frequency of that light is 5 x 1014 Hz, what is the speed of light through the glass?

    asked by Bri
  67. Science Help ASAP

    Which chemical equation is balanced to show that mass is conserved during the reaction? A. Na + Cl₂ --> NaCl B. 2H₂ O₂ --> 2H O + O₂ C. CH₄ + O₂ --> CO₂ + 2H₂ O D. AgNO₃ + MgCl₂ --> AgCl +MgNO₃ Please Help!!!

    asked by gigi
  68. algebra

    What is the average rate of change from 0.04 to 0.06 to 0.15 to 0.25 to 0.33. I am doing some reserch on the price of an item here is my information but, I can't remember the formula or find it in my textbook. I could really use some help.

    asked by ...Please!
  69. Math

    Real Estate an office building purchased for $1, 200,000 is appreciating because of rising property values in the city. At the end of each year its value is 105% of its value at the end of the previous year. a. Use a recursive formula to determine what the

    asked by Josh
  70. physic

    The x and y coordinates of a 3.70-kg particle moving in the xy plane under the influence of a net force F are given by x = t4 − 5t and y = 7t2 + 1, with x and y in meters and t in seconds. What is the magnitude of the force F at t = 4.20 s? N

    asked by joy
  71. Statistics

    1. The following sample data shows the use of plastic (debit and credit) cards versus cash/cheque by four age groups: Age Group 18-24, 25-34, 35-44, 45 and over Payment Method plastic 21, 27, 27, 36 cash or cheque 21, 36, 42, 90 Test for independence

    asked by Raye
  72. maths

    A figure with many sides is called a ?

    asked by ms suzie
  73. spelling

    what is grass:lawn::toss:What. I do not know

    asked by Merma
  74. Math

    I am a 2 digit number. If you divide me by 5 then multiply by 2, the product is 20. What number am i

    asked by Hafiz
  75. Math

    Johnny spent 1/3 of his pocket money on sweets and 2/3 on fruits what fraction of his money did he spend?

    asked by Alex
  76. spanish

    Fill in the blank with the correct direct object pronoun based on the words in parentheses, that best completes this sentence. Marcos y yo _______ servimos. (pollo)

    asked by eek
  77. Math

    How to solve function question? Input | Output 0 | _ 1 | _ -2 | _ 5 | _ | 7

    asked by Aruim
  78. physics

    A 15.2 kg block dragged over rough horizontal surface by constant force of 124N acting at an angle of 34.9 degrees above the horizontal. The block is displaced 37.8m. The coefficient of kinetic friction is .171. Acceleration is 9.8 m/s^2. Find the work

    asked by jay
  79. chemistry

    For the exothermic reaction PCl3(g)+Cl2(g)⇌PCl5(g) K = 0.160 at a certain temperature. A flask is charged with 0.507 bar PCl3 , 0.507 bar Cl2, and 0.304 bar PCl5 at this temperature. What are the equilibrium partial pressures of PCl3 , Cl2, and PCl5,

    asked by Miranda
  80. Chemistry

    How many moles of calcium hydroxide are needed to neutralize 250.0 mL of hydrochloric acid with a pH of 6.000?

    asked by Paige
  81. Chemistry

    You have a 2.0 M solution of HNO3. To what volume in mL would you dilute 500.0 mL to achieve a pH of 4.00?

    asked by Paige
  82. Math

    In a company, the men who do not wear glasses are thrice as many as the men who do, while the women who do not wear glasses are ten more than the women who do. The probability that an employee wears glasses is 3/10. If selected employee wears glasses, the

    asked by bryan
  83. Math

    A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards, the Carpender notices that he has enough pieces left over to make up the same length as four of the original boards. How many boards did the Carpender

    asked by John
  84. Math- Algebra

    A mother wants to invest $15000 for her children's education. She invest a portion of the money in a bank certificate of deposit which earns 4 percent and the remainder in a savings bond which earns 7 percent. If the total interest earned after a year is

    asked by Kelly
  85. math

    choose the correction for the angle

    asked by pam
  86. Art History

    Which of the following is NOT one of the three main periods of Greek sculpture? a. Archaic b. Classical c. Hellenistic d. Corinthian

    asked by Anonymous
  87. Chem 32

    Given that one peanut contains 220 of niacin and there are 100 peanuts in a cup how many cups of peanuts do you need to ingest the RDA of niacin

    asked by Shornora
  88. chemistry

    If you recovered 4.65 g of Cu from a 42.0 mL sample of material, what would the molarity be? 4.65 g Cu/ 63.5 g/mol = 0.0732 mol 0.0732 mol/ 42 mL x 1000 mL/ 1 L =1.74 M ~ 2 M Cu??? Is this correct sig fig because you go off of the 1 sig in 1,000 mL??? So

    asked by Anonymous
  89. Art History

    What is the most likely reason why the Roman's made copies of original works of Greek art? a. to try and claim them as their own b. Because of their beauty**** c. in an attempt to improve on them d. they did not make copies of them

    asked by Anonymous
  90. Statistics

    Graph neatly and label all intercepts. -x+2y=5 x intercept x=0 -0+2y=5 +0 +0 -------- 2y/2=5/2 y=5/2 y intercept y=0 -x+2(0)=5 -x+0=5 -x-0=5 x=-5

    asked by Keonn'a
  91. econ Stats 2

    1. The following sample data shows the use of plastic (debit and credit) cards versus cash/cheque by four age groups: Age Group 18-24, 25-34, 35-44, 45 and over Payment Method plastic 21, 27, 27, 36 cash or cheque 21, 36, 42, 90 Test for independence

    asked by Raye
  92. Chemistry

    Which reaction would occur more readily? Why? 1) Mg + Cl2 --> MgCl2 2) 2Mg + O2 --> MgO Thanks!

    asked by Autumn
  93. Math

    After school, Pam skateboards directly from school to a skate park and then from the skate park to a game store. The skate park is 4 miles south of the school and the game store is 5 miles east of the skate park. What is the straight-line distance between

    asked by TJ
  94. physic

    Two blocks are connected by a rope that passes over a massless and frictionless pulley as shown in the figure below. Given that m1 = 18.04 kg and m2 = 10.57 kg, determine the magnitudes of the tension in the rope and the blocks' acceleration. T = N a =

    asked by joy
  95. math

    Two vertices of a triangle are F (1, −4) and G(6, −4). List two possible coordinates of the third vertex so that the triangle has an area of 20 square units.

    asked by robin
  96. Math

    If the house on a particular stretch of road are all the old numbers starting at 11, how many houses are there if the total all the numbers is 551?

    asked by Majiri
  97. Chemistry

    When HCl and NH3 are simultaneously placed at the opposite ends of a glass tube 40.0 cm long, a white ring of NH4 Cl forms in the tube. How far is this ring from the end of HCl?

    asked by Anonymous