Questions Asked on
July 30, 2018

  1. world history

    What impact did the collapse of the Soviet Union have on the end of segregation in South Africa? a- The decline of the Soviet Union allowed for the United Nations to intervene in the segregation policies of the South African government. b-The decline of

    asked by fred
  2. history

    What was the significance of the Gothic Line? a It was a line of convoy trucks that supplied the Allies as they attempted to take Italy from Axis control. b It was a set of fortifications in Italy that gave the Allies the upper hand when they broke through

    asked by Monica
  3. history

    Which identifies the term for the genocide of more than 6 million Jews by the Nazi Regime during World War I? the Holocaust Nanking Massacre the Killing Jewish Massacre is it A?

    asked by Monica
  4. history

    When the stock market crashed in 1929, it had a ripple effect that impacted European nations, among others. In what specific way were European economies tied to the US economy? a.They all adhered to the gold standard. b.All were awaiting repayment by

    asked by Monica
  5. math

    An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 900 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate

    asked by Mary
  6. Science

    The magnitude of the electrostatic force between two identical ions that are separated by a distance of 5.0A is 3.7×10^-9N. a) what is the charge of each ion? b) how many electrons are missing from each ion( thus giving the ion its charge imbalance)?

    asked by Kikks
  7. Algebra

    Michael's bank contains only nickels, dimes, and quarters. There are 63 coins in all, valued at $5.50. The number of nickels is 5 short of being three times the sum of the number of dimes and quarters together. How many dimes are in the bank?

    asked by heather
  8. Algebra

    A $148,000 trust is to be invested in bonds paying 7%, CDs paying 6%, and mortgages paying 8%. The bond and CD investment must equal the mortgage investment. To earn a $10,860 annual income from the investments, how much should the bank invest in bonds?

    asked by china
  9. math

    A $76,000 trust is to be invested in bonds paying 8%, CDs paying 7%, and mortgages paying 10%. The bond and CD investment must equal the mortgage investment. To earn a $6670 annual income from the investments, how much should the bank invest in bonds? A)

    asked by sandy
  10. chemistry

    Calculate the volume of hydrogen gas from the C4H9O3N compound, under temperature or pressure conditions (STP).

    asked by william
  11. Physics

    A uniform horizontal beam 300N 5m long is suspended vertical from its two end by a rope, if a 600N person stands in 1.5m from its left end find the tension in each end of the rope.

    asked by Mordu
  12. Algebra

    The prices of the systems are: $1200 for System 1, $1500 for System 2, $1600 for System 3, and $1800 for System 4. Write the information from the table as a 4 x 3 matrix B. Write a row matrix A for which the entries represent the prices for the systems. If

    asked by Mary
  13. math

    The ratio of guppies to angelfish in a shop was 2:3. The number of angelfish was 2/3 the number of goldfish. The shopkeeper decided to replace 1/4 of the guppies with some angelfish. The number of angelfish she added was equal to the number of guppies she

    asked by lillyyy
  14. Math

    The diameter of a circle is equal to the side of a square. The ratio of the area of the circle to the area of the square is approximately A. pi/2 B. 2/pi C. 2/1 D. 11/14

    asked by Michelle
  15. math

    Anne and Nancy use a metal alloy that is 20.45% copper to make jewelry. How many ounces of a 12% alloy must be mixed with a 25% alloy to form 100 ounces of the desired alloy?

    asked by heather
  16. Algebra

    Provide an appropriate response. Suppose that A and B are two matrices such that A + B, A - B, and AB all exist. What can you conclude about the dimensions of A and B? A) A is a row matrix and B is a column matrix. B) A and B have the same dimension, but

    asked by sandy
  17. Math

    The half-life of radon-222 is 3.8 days. How much of a 300 gram sample is left after 14.8 days?

    asked by Anonymous
  18. math

    Show that the surface area of a sphere is two thirds of the total surface area of any cylinder circumscribed around the sphere (the sphere therefore touches both bases of the cylinder as well as its lateral surface).

    asked by maath
  19. computer science

    In a database system,within a banking system application,transaction between A is transferring 1000 from Acc1 to account Acc2 at the same time,transaction B is processing every records and adding interest payment by increasing each balance by 1.5 percent

    asked by Olamilekan
  20. math

    A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind? A) 80 mph B) 200 mph C) 40 mph D) 160 mph

    asked by sandy
  21. Science

    What is the valency of E from E2(O3).

    asked by Deepak
  22. Science

    Write the valency of E from EO3.

    asked by Deepak
  23. chemistry

    The mixture of 40 ml of water to 160 ml of solution with ph = 8, causes a change in the ph value. What is the value of the new PH. Use Log 2 = 0.3

    asked by kelly
  24. chemistry

    How many electrons contain the ion that has 13 protons 10 electrons and 15 neutrons?

    asked by wallace
  25. Algebra

    You invest $5,500 into a 4.5% one-year CD. Find the balance of the account after five years if it's compounded: a. Quarterly Equation:______________________ Balance: $_________________ b. Annually Equation:______________________ Balance: $_________________

    asked by leo
  26. Math algebra

    Mia bought 7 golf balls. The total weight of the golf balls was 8 ounces. To the nearest hundredth of an ounce, how much did each golf ball weigh?

    asked by Lizzy
  27. Mathematics

    The common difference of an arithmetic sequence is d prove that the sum of first n terms and next n terms differ by n×n×d

    asked by Linsha
  28. MATH

    How does .08/(.08+.92(2/23)^t/4) become 2/(2+23(2/23)^t/4)? I don't understand how .08 becomes 2 and .92 becomes 23.

    asked by Anonymous
  29. psychology

    Which of the following is a negative consequence that is occurring because Amy constantly uses her smartphone? (Select all that apply.) She is losing sleep. She isn't paying attention in her classes. She isn't doing her homework. She is feeling more

    asked by Bri
  30. Chemistry

    If 35.00 mL of 0.25 M NaOH(aq) is mixed w/ 20.00 mL of 0.400 M HClO4(aq), the result solution would be: So apparently the correct answer is BASIC, but I thought it would be neutral because the resulting solution would contain NaClO4 which has components of

    asked by sea lively
  31. Algebra

    How much would you need to invest to get $30,000 in 10 years for an account offering 2.54% interest?

    asked by leo
  32. psychology

    Why must the study of behavior be systematic? It reduces the chance of coming to false conclusions. It takes less effort. It allows multiple behaviors to be studied at the same time. The study of behavior does not have to be systematic. D?

    asked by Bri
  33. Chemistry

    What would the pH of the solution be if the salt NaHX is dissolved in water? What anion predominates at the first equivalence point of the titration of X^2- with H^+?

    asked by sea lively
  34. Science

    When H2SO4(aq) is exactly neutralised by Mg(OH)2, the hydroxide ion concentration in the resulting solution will be ?

    asked by Shreyas
  35. chemistry

    Indicate what type of compound (ionic or covalent) would be expected from the possible binary combinations of the following elements: O, F, Cs, CI, Na. Consider the elements ' negativity

    asked by william
  36. Algebra

    You just purchased a painting for $1500 as an investment and it is suppose to appreciate in value at a rate of 3.65% each year. What will it be worth in 25 years?

    asked by leo
  37. Algebra

    find the numbers of this geometric sequence: 8, __ , __, __, 648

    asked by leo
  38. Algebra

    Fraction Review Rewrite each improper fraction as a mixed number or whole number: 1. 5/4= 2. 7/5= 3. 4/4=

    asked by Ari
  39. psychology

    True or False No reputable psychologist takes seriously any irrational phenomena such as ESP or hypnosis. False?

    asked by Bri
  40. Algebra

    Since populations are continuously changing based on their immediate previous state, the Pert formula can be used to quickly estimate near future growth (or decay). Assume that the 1990 census for a city of 800,000 reveals an annual increase of 2.3%,

    asked by Anonymous
  41. Algebra

    Perform the matrix operation. Given A = [-1 2] and B = [1 0] , find 2A + 3B.

    asked by lue
  42. Algebra

    Write a matrix equation equivalent to the system of equations. 7x - 8y = -9 -2x - 2y = -2

    asked by lue