Questions Asked on
April 12, 2018

  1. English

    Choose the option that corrects the error in the underlined portion. If no error exists, choose "No change is necessary." When the body needs to fight infectious diseases it increases the number of white blood cells. a) diseases, it b) diseases. It c)

  2. Chem 2

    A voltaic cell consists of an Al/Al3+ half-cell and a Cd/Cd2+ half-cell. Calculate {Al3+} when {Cd2+} = 0.401 M and Ecell = 1.299 V.Use reduction potential values of Al3+ = -1.66 V and for Cd2+ = -0.40 V.

  3. US History

    Camp meetings, like the one in the picture above, were thought to inspire which of the following? (picture showing crowds of people gathered around people in a forest) Men and women to give their lives to God ** Men and women to accept and pray for sinners

  4. Ap Chemistry

    Can anyone help me with this question How much NaCl should be added to 0.35 L of a 0.15 M solution of AgNO3 so that it reacts completely with the silver to form AgCl(s)? A. 8.8 g B. 0.0525 g C. 0.89 mg D. 3.07 g

  5. Math

    Lisa finished 21 out of her 30 problems in class. What percent of the math problems did Lisa finish in class?

  6. math


  7. college algebra

    if 60% of a radioactive element remains radioactive after 300 million years, then what percent remains radioactive after 500 million years? what is the half-life of this element?

  8. Science

    A geologist measured the amount of 40K in a rock; she determined that there was about 10 grams of 40K and 10 grams of 40Ar. What would be the approximate age of that rock?

  9. Math-please check

    5. Find three solutions of the equation y=9x-4. (A) (-5, -49), (-2, -22), (3, 23) (B) (-5, -49), (2, -22), (3, 23)*** (C) (-5, -49), (-2, -22), (-3, 23) (D) (5, -49), (-2, 22), (-3, 23) 9.Which is a rule that describes the translation of a point from (4,

  10. math

    The volume of a sphere of radius r is V=4/3πr^3.Solve for r.

  11. Science

    Which of the following are the basic building blocks of life 1.) cells 2.)lungs 3.)organs 4.)tissues thx BEHEHEHE

  12. Algebra

    How many real number solutions does the equation have? 0 = -7x^2 + 6x + 3 one solution two solutions** no solution How many real number solutions does the equation have? 0 = 2x^2 - 20x + 50 one solution two solutions no solution**

  13. History

    Which is the best definition of naturalization? The process of living and working in the U.S. in order to become a citizen The act of taking an oath of loyalty to the U.S. in order to become a citizen The legal steps taken for a citizen born in another

  14. Algerbra 1 B

    Simplify the radical expression. Show all your steps. \sqrt{363} -3 \sqrt{27}

  15. US History

    Which of these is an advantage of the North? (during the Civil War) Better transportation systems ** More experienced commanders Greater commitment to the cause Stronger support of the civilian population Feedback would be appreciated.

  16. History

    Which set of issues led to the Civil War? Economics, religion, boundaries Politics, education, voting rights ** Slavery, politics, economics Voting rights, slavery, politics

  17. Chemistry

    The standard reduction potential for Cr3+(aq) is −0.74 V. The half-reaction for the reduction of Cr3+(aq) is the following. Cr3+(aq) + 3 e− → Cr(s) The standard reduction potential for Ni2+(aq) is −0.26 V. The half-reaction for the reduction of

  18. Math

    Adam used the three fractions to make a circle graph dhd

  19. Linguistics

    Each set can be identified by means of a single common featue. List the feature. { t, n, l } { Ɛ, o, e } { Ɛ, g, j } ---------------- The first set is alveolar, and the second set comprises mid vowels. But I can't find the common feature of the third

  20. physics

    At one point during its swing, a wrecking ball exerts a tension force of FT = 9825 N on its cable, which makes an angle of α = 25.0° with the horizontal. The crane's 9.00-m-long boom is at an angle of θ = 60.0° with the horizontal. What is the torque

  21. Math

    Complete each of the tasks outlined below. Task 1 You are starting a new business in which you have decided to sell two products instead of just one. Determine a business you could start and choose two products that you could sell. How much of your own

  22. Math

    Mimi earns $4.50 per hour, time-and-a-half for overtime, and 3% commission on gross sales. What were her earnings the week she worked 46 hours and sold $5,300 worth of goods? a. $318.21 b. $349.50 c. $423.50 d. $379.50

  23. Math

    Nearest whole percent of 30.367271

  24. Science

    How Is a compound different from a mixture? it is made of one substance It cannot be made of organic materials It cannot be broken down It cannot be separated by a physical change I don't know This formula shows the chemical reaction that occurs when the

  25. math

    Classify the triangle with sides measuring 11 cm, 5 cm, and 10 cm. equilateral isosceles scalene none of the above

  26. Math

    Roman saves $500 each year in an account earning interest at an annual rate of 4% compounded annually. How much interest will the account earn at the END OF THE FIRST THREE YEARS? I think I am confusing simple and compounded interest. The answer I got was

  27. Pre Algebra

    Carol has a collection of 100 stamps. The graph shows the percentage of stamps she has from each country. How many more of Carol stamps are from Italy then from England. A. 22 stamps B. 25 stamps C. 47 stamps D. 3 stamps Please help me I'm a little bit

  28. Chemistry

    What is the reaction that occurs at a silver anode of a voltaic cell? (Include states-of-matter under the given conditions in your answer.) I got: Ag(s) --> Ag^{2+}(aq) + 2 e^- But my hw program isn't accepting this. What am I doing wrong?

  29. Math Help ASAP Please!

    What number is a perfect square? A. 36 B. 144 C. 1,000 D. 36,000

  30. math

    What is the ratio of sugar to flour 6/4 18/12 30/20

  31. Calculus

    The radius of a circle increases from 2 meters to 2.1 meters. Use differentials to estimate the increase in the area of this circle I dont understand how to do this type of problem could someone help?

  32. Math~integers

    -5(-8) My answer=40

  33. Maths

    Two ships A and B left port (P) at the same time, with ship A moving due north while ship B was on a bearing of 060°. Two hours later A had covered a distance of 10km. B had covered 8km and was at a bearing of 150° from A. Calculate the distance

  34. 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?

  35. Algebra

    Let the function f be defined by f(x)= 5x-2a , where a is a constant.If f(10) + f(5)=55 , what is the value of a ?

  36. Maths

    If sec(2x)=tan(y)+cot(y). So x+y=.......

  37. Math. Can someone check my answer

    Find the slope of the line through (-9,-10) and (-2,-5) A.- 5/7**** B.-7/5 C.5/7 D.7/5

  38. math

    what is the radius of such a cone whose volume is 5π?

  39. math

    g(x) = 8 sin x, [0, pi], 6 rectangles

  40. Chemistry

    I need help plugging these in. I didn’t understand what DrBoB222 meant 2.A student starts with a titration by placing 30.0mL of 0.25M NaOH into a flask with 3 drops of phenolphthalein. The student then titrated to the endpoint using 18.0mL of HCI.

  41. math

    i need help with functions unit lession 13 just help

  42. Math

    List the terms in the following expression: 7y+16

  43. Math

    What are the coefficients in the following expression: 8b-3x+10

  44. Biology

    Hypothetical: what if someone were to cut the layer of skin on the eyes of a Spalax mole (blind mole rat) off? Would they not be blind anymore, or would that cause a big disfunction with the mole?

  45. Algebra 1

    Myrna spent $21.95 on treats to put in Gift of Love boxes for the needy children in her city. A candy bar coasts $0.80 and a bag of trail mix costs $0.65. Myrna bought 7 more candy bags of trail mix than candy bars. How many candy bars did she buy? The

  46. Physics

    A thin 2.84 m long copper rod in a uniform magnetic field has a mass of 53.7 g. When the rod carries a current of 0.273 A directed perpendicular to the magnetic field, it floats in the magnetic field. The acceleration of gravity is 9.81 m/s2 . What is

  47. Math

    Which ordered pair is NOT a solution of -4x-9 ? A) (-9, 27) B) (3, -21) C) (-6, 4) D) (5, -28) I think D

  48. Mathematics

    Find the length of the longest straight line which can be drawn on a rectangular board which measures 2.2m by 1.2m

  49. Antennas

    Consider a pocket transistor radio receiver at 1MHz: a) What is the effective aperture of its ferrite rod antenna (assuma the antenna has a sin^2 alpha power pattern)? b) At 10km from a 10KW (Equivalent Isotropic Radiated Power), 1MHz broadcasta station,

  50. 2 problems---math

    1. find the relationship of x and y in the table. x: 2; 4; 6; 8; 10 y: 1.5; 2; 3; 4.5; 5 y = _______ x + ________ 2. find the relationship of x and y from a graph of a line that crosses the y-axis at y = 6 and that goes into the left 2 units and rises 3

  51. Maths

    A plane flies northward 430 km, how far is it from its starting route.

  52. math

    The volume of a sphere depends on the sphere's radius:V=4/3πr^3.(A)If the radius of a sphere is 3 feet,what is the volume?Give exact and approximate answers and use correct units.(B)Solve for r in the volume formula.(C)If the volume of a sphere is 20

  53. English

    Need help writing a horror story. Already got a start but needing help with conclusion

  54. Math & science

    An electric iron takes 13s when connected to a.c mains. find the cost of using the electric iron for 3 days at N 10.00 perkwh

  55. network basics

    3. How do you find out the purpose of commands and their associated syntax?

  56. physics

    A rifle with a mass of 0.9 fires a bullet with a mass of 6.0 g (0.006 kg). The bullet moves with a muzzle velocity of 750 m/s after the rifle is fired. A. What is the momentum of the bullet after the rifle is fired? B. If external forces acting on the

  57. Economics

    What might induce a rightward shift of aggregate supply? a) Improvements in productivity, resulting from increased investment in plant and equipment b) Increases in the size of labor force which reduce wages, improved business confidence and changes in tax

  58. Math

    What is the value of the missing angle? 720 120 128 138 There's a hexagon and the angles are 152 degrees 85 degrees 125 degrees 135 degrees and another 85 degrees

  59. Antennas

    Consider a pocket transistor radio receiver at 1MHz: a) What is the effective aperture of its ferrite rod antenna (assuma the antenna has a sin^2 alpha power pattern)? b) At 10km from a 10KW (Equivalent Isotropic Radiated Power), 1MHz broadcasta station,

  60. network basics

    1. What is the purpose of netstat?. What is the purpose of the -a switch? " How many connections are listed? " How many rely on TCP? " How many rely on UDP?

  61. Math

    so this is evaluating functions and "evaluate the function when x = 2, x = 0 and x = -2 1. f(x) = 3x 2. g(x) = -x - 6 3. h (x) = 8x + 7 what do the variables at the beginning of the equation mean? (the f , g and the h) thanks :)

  62. Calculus

    The position vector r(t) = describes the path of a particle in space. What is the particle's speed? A. 3√7 B. √93 C. √85 D. 149 E. 21

  63. Math degrees

    A Ferris wheel has spokes that divide the wheel into 9 equal sections. What is the measure of the angle of the angle for each sections

  64. History

    Why does scarcity exist?

  65. math

    what is 8x2x4?

  66. math

    Find the inverse Function? J(x)=2^x/(1+2^x)

  67. English

    Sandra is working on her Works Cited page for a research paper and needs to include information from a magazine article called "The Cultivation of Violets" by Fiona Knox. It was published in the April 2015 issue of Botany Monthly. The article was found on

  68. social studies

    what could a young man do if he did not pass the civil service test in the han dynasty

  69. math

    a)Find the time required to double the amount of an investment at an interest rate k, compounded continuously. b) Find the time required to double an investment at continuous rate of 6%.

  70. Math

    $210.00 increased by 40% is what percent of $210.00? 2. How much money is a $210.00 increased by 40%?

  71. Chemistry

    When 1.00 mol of A and 0.800 mol of B are placed in a 2.00 L container and allowed to come to equilibrium, the resulting mixture is found to be 0.20M in D. What is the value of K at equilibrium?

  72. Chemistry

    HA(aq) H+(aq) + A-(aq) K = 5.0 x 10 -9 The initial concentration of HA is 0.30 M What is the final equilibrium concentrations of HA, H+, A-? Show work, solve if you can

  73. MATH

    Does anybody know how 1.80 = xe−b(4.80 ) equal .0191

  74. math

    Sound A is 32dB. Sound B is 54 dB. How many times more intense is Sound B than Sound A?

  75. math

    A family from Hong Kong is visiting the United States. Their first stop is a bank, where the following exchange rate is posted: USD to HKD= 7.78. On this day, how many U.S. dollars will the family get for 10 of their Hong Kong Dollars? Round to the nearest

  76. Science

    //[remove]prntscr.[remove]com/[remove]j4jmwi (PICTURE IS IN SCREENSHOT) Which statement is correct? Land animals are quicker than animals that fly Insects can not move as quickly as land animals Some birds can move more quickly than some land animals***

  77. Science

    Which formula is used to calculate acceleration? Time divided by change in speed Time x change in speed Change in speed divided by time Change in speed x time Help ? Thanks, Anonymous

  78. math

    One day at 2:00 AM, the temperature was -9 F in Nome, Alaska. At 9:00 AM the temperature was 26 F. What was the average change in temperature in hours? Need help

  79. Math

    a flower was 20 centimeters tall one week ago in five days it grew 1 meter find the current height of the flower 12.3 cm 120 cm 125 cm 11.2 cm