Questions Asked on
May 7, 2018

  1. Algebra 1

    The width (w) of a rectangular pool is x+4. The area (A) of the pool is 2x^3 - 29x + 12. What is an expression for the length of the pool? A. 2x^2 + 8x + 3 B. 2x^2 - 8x - 3 C. 2x^2 - 8x + 3 D. 2x^2 + 8x - 3 I'm not sure please help me with this problem!

    asked by Dani
  2. English

    Choose the word or group of words that should be enclosed in quotation marks. 1:This Girl is my favorite poem by the poet Sharon Olds. A:This Girl*** B:poem C:Sharon Olds Decide if the quotation marks are used correctly. 2:Ralph Waldo Emerson said, "Keep

    asked by marylyn
  3. history

    What is the main reason many people stop working on farms in Mexico.

    asked by blob
  4. Calculus

    1. Express the given integral as the limit of a Riemann sum but do not evaluate: integral[0 to 3]((x^3 - 6x)dx) 2.Use the Fundamental Theorem to evaluate integral[0 to 3]((x^3 - 6x)dx).(Your answer must include the antiderivative.)

    asked by Ernie
  5. math

    identify the choice that best completes the statement or answers the question. For questions 1-3, what is the solution of the systems? Use subsitution. 1. y = x + 6 y = 2x

    asked by liv
  6. Math

    Sharon is moving up to the attic and wants to paint one wall blue. The wall is a triangle with a base of 16 feet and a height of 13. What is the area of the wall to be painted? (1 point) A: 10.4 ft B: 52 ft******* C: 104 ft D: 208 ft. Help meeeeeee!!!!

    asked by AngelDabSwag
  7. Algebra again

    Simplify 5x^3/7x^3+x^4 Is the answer 5/7+x where x is not equal to 0,-7?

    asked by Dani
  8. Algebra problem

    Multiply (x-5/4x+8)*(12x^2+32x+16) A. (3x+2)/4(x-5) B. (x-5)(3x+2)/4 C. (x-5)(3x+3) D. (x-5)(12x+8) Please help me solve this problem because all I get is 3x^2-13x-10 (which isn't a choice.)

    asked by Dani
  9. Calculus

    Using 4 equal-width intervals, show that the trapezoidal rule is the average of the upper and lower sum estimates for the integral from 0 to 2 of x squared, dx .

    asked by Ernie
  10. Math

    The area of a trapezium is 14.7 cm. If the parallel sides are 5.3 cm and 3.1 cm long, find the perpendicular distance between them.

    asked by Anonymous
  11. Chemistry

    A weak acid with an initial pH of 3.2 was titrated with a strong base. 15 mL of 0.1 M NaOH was added to the acid to reach the equivalence point at a pH of 8.6. What would you expect the approximate pH of the analyte to be after the first 5 mL of 0.1 M NaOH

    asked by Jameson
  12. Math

    Determine whether the following individual events are overlapping or​ non-overlapping. Then find the probability of the combined event. Getting a sum of either 4​, 9​, or 10 on a roll of two dice

    asked by Susan
  13. Calculus

    For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x -1 -1 -1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial

    asked by William
  14. Chemistry

    0.22g of a hydrocarbon (compound of C & H) on complete combustion with oxygen gave 0.9 g of water and 0.44g carbon dioxide. Show that these are in accordance with law of conservation of mass.

    asked by Karamjit singh
  15. physics

    a tennis ball is served horizontally from 2.4 above the ground at 30 m/s the net is 12 m away and 0.9m high will be clear the net? a. 0.64m b. 1.62m c.2.72m d.none ans is option B .... but how? wanna solution..

    asked by MCAT student
  16. Social Studies

    Explain the term Green Revolution, and describe both its intended and unintended outcomes. (Give at least two intended outcomes and two unintended outcomes.)

    asked by Anonymous
  17. Algebra

    How can you write the expression with a rationalized denominator? 3sqrt 2/3 sqrt 6 A) 3sqrt9/3*** B) 2+3sqrt9/6 C) 3sqrt9/6 D) 3sqrt72/3 Let f(x)=x^2+7 and g(x)=x+3/x. find (g*f)(-5) A) 35/12 B) 35/32 C) 32/35 D) 11/25*** Please correct me if I’m wrong

    asked by Samantha
  18. physics

    A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.9 kg and the sign has a mass of ms = 15.3 kg. The length of the beam is L = 2.55 m. The sign is attached at the very end of the beam, but the horizontal wire holding up

    asked by katie
  19. Chemistry

    What is the pH of a 0.085 M solution of nitrous acid (HNO2) that has a Ka of 4.5 × 10^-4? 2.21 5.33 3.35 4.42 I am not the best at working through the problems, but I came to A, 2.21, given the concentration and Ka.

    asked by Jameson
  20. math

    Simplify 4!

    asked by noah
  21. Geography

    what is the longitude of a town "Y" whose time is 1:00pm when Greenwich mean time is 5:00am ?

    asked by Audu Sani Shariff
  22. Science

    Chef Walt is an excellent cook. He works in a very busy restaurant. He cooks for 100's of people each night. Why would Chef Walt use a copper pot instead of an aluminum pot? A) The aluminum pot probably holds less food than the copper pot. B) The copper

    asked by Softballperson
  23. Math

    You are designing a large rectangular fish tank for your tropical fish. The length will be 1 yard 3 inches, the width will be 1.5 feet, and the height will be 20 inches. Find the volume of the fish tank in cubic inches

    asked by haya
  24. Chemistry

    What's the net ionic equation for the reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)? Please show your work so I can follow Thanks!!

    asked by Wade
  25. Math

    Ann started reading at 4:00 and finished at 4:20 through what fraction of a circle did the minute hand turn

    asked by Ciamr
  26. Algebra

    Simplify x/6x-x^2 I know that the answer is 1/6-x but the answers look like this: A. 1/6-x where x is not equal to 0,6 B. 1/6-x where x is not equal to 6 Please help me with understand why is says x is not equal to, I have like 5 problems just like this so

    asked by Dani
  27. Social studies

    How did the arrival of English-speaking white settlers change life for the Mexicanos in the Southwest?

    asked by Anonymous
  28. phyiscs

    A 14.5 kg toy car is driving around a horizontal circular track with a period of 8.0 seconds. The radius of the circular track is 1.1 meters. What is the force of friction in Newtons between the car and the track that is necessary for the car to remain on

    asked by zach
  29. Physics

    A charge Q = -610 NC (-6.1 × 10^-7 C) is uniformly distributed on a ring of 2.4-m radius. A point charge q = +480 nC (+4.8 × 10^-7 C) is fixed at the center of the ring, as shown in the figure. An electron is projected from infinity toward the ring along

    asked by Sasha
  30. Maths

    Integration of sine square theta from 0 to 2pi

    asked by Pooja
  31. math

    when a barrel is 1/5 full it holds 16 litres.how many litres will it hold when 1/2 full

    asked by fizz
  32. chemistry

    What's the net ionic equation for the reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)? Please go step by step:)

    asked by Katie
  33. Math & science?

    New York's 300 m high Citicorp Tower oscillates in the wind with a period of 6.80 s. Calculate its frequency of vibration.

    asked by chirs
  34. Vectors

    If u and v are both unit vectors that make an angle of 60 degrees to each other, calculate a) |2u+3v| b) |4u-5v| The answer key says the correct answer for a) is 4.71 and the correct answer for b) is 3.22. a)|2u+3v|^2=|2|^2+|3|^2-2|2||3|cos(60)=7;

    asked by Anonymous
  35. algebra

    The circle has a circumference of 50.24. Using 3.14 to approximate pi​, find the value of x.       A circle with a radius labeled x plus 3. x + 3

    asked by ann
  36. Physics

    What is the gauge pressure at the bottom of a pool 1.9 m deep?

    asked by Lance
  37. physics

    When resistors are connected in series . . . Is their equivalent resistance smaller or larger than the individual resistances? Is the current through them when connected together larger or smaller than their current if alone in the circuit?

    asked by altaif
  38. physics

    When resistors are connected in parallel . . . Is the combined resistance smaller or larger than the individual resistances? Is the total current through the circuit larger or smaller than the total current if there were one resistor alone in the circuit?

    asked by altaif
  39. Math

    On a blueprint the length of the incline of a ramp is 13 cm long. How long is the ramp at full scale factor for the blueprint is 1/32?

    asked by Anirudh
  40. German

    Der Mann … A. bist alt. B. sind Alt. C. sieht alt aus. D. seht Alt aus.

    asked by giki
  41. chemistry

    I need to identify the elements oxidized and reduced and indicate which substances are the oxidizing and reducing agents for the redox reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)

    asked by Zoey
  42. physics

    A 14.5 kg toy car is driving around a horizontal circular track with a period of 8.0 seconds. The radius of the circular track is 1.1 meters. What is the force of friction in Newtons between the car and the track that is necessary for the car to remain on

    asked by Anonymous
  43. english

    which line in Julius Caesar indicates that Cassius is a manipulator?

    asked by T
  44. Math

    The force on an object is F =−21j . For the vector v =4i −j , find: a) The component of F parallel to v : (b) The component of F perpendicular to v :

    asked by George
  45. math

    A number cube is rolled. What is P(3 or an even number) A: 1/2 B: 2/3 C:4/2 D: 1/6

    asked by cardi b
  46. Math

    Amy wants to travel from elm town to lakeside at an average speed of 50 miles per hour. She travels half the distance and finds out her average speed has been on 25 miles per hour. How fast must she drive for the rest of the trip to average 50 miles per H

    asked by Cheyenne
  47. economics

    what are the benefits of natural monopolies? would it be research and development?

    asked by nicole
  48. Math

    1. Simplify the radical Sqr of 3c² over the sqr of 27 √ ̅3c² --------- √ ̅27 2. Simplify the radical √27 ∙ √3 3. Simplify the radical √ ̅75 - 4√ ̅75 4. Simplify the radical (√3 + √2)²

    asked by 1234
  49. Physics

    Water ripples are caused to travel across the surface of a shallow tank by means of a suitable straight vibration.the distance between successive crest is 4.0cm and the wave travel 30cm in 1.5sec.calculate the wave length and velocity of the waves and the

    asked by Abolore
  50. Physics

    A car travels over a hill at a constant speed as shown in the diagram below. The car’s speed is 12.1 m/s, its mass is 1621 kg, the radius of the hill is 29 meters, and the force of friction is 201.6 N. The gravitational field of the earth is 10N/Kg.

    asked by Anonymous
  51. physics

    A car, with a mass of 2022 kg, is making a circular turn in a roundabout in Coralville. The radius of the circle is 19 meters and it takes 26.7 seconds to get halfway around the turn (circle). Calculate the Fnet of Friction, in Newtons, that is allowing

    asked by Anonymous
  52. Geography

    How Does irrigation negatively affect farmland

    asked by Karrie
  53. Math

    For what value of x are 16i-12j+4k and xi-(x-1)j+k parallel?

    asked by George
  54. Social studies

    What were the goals of the populist Party?

    asked by Anonymous
  55. Math

    The force on an object is F =−21j . For the vector v =4i −j , find: (a) The component of F parallel to v : (b) The component of F perpendicular to v :

    asked by George
  56. Math

    A=0,4 ,B=-2,0 Find the vector AB in ℝ2?

    asked by George
  57. economics

    im stuck how does the government promote economic goals? i know the goals are efficiency, freedom, security, equity and growth

    asked by nicole
  58. Algebra

    With this height and weight formula how can I explain the answer. W=5h - 190

    asked by Chey
  59. physics

    A 13.7 N force is sufficient to keep an object moving in a circle of radius 15.4 meters. How much force in Newtons is needed to keep it moving with the same speed in a circle of 26.5 meters?

    asked by Anonymous
  60. Physics

    A diver can withstand a maximum pressure of 3x10^5 Pa. What maximum depth can he reach in seawater?

    asked by Lance
  61. social studies

    why do the shiites believe that uyyades should not be in power

    asked by kaleb
  62. PA government

    How would your chosen bill move through the legislative process in the Pennsylvania General Assembly? 2. What type of tax could the state propose to help fund the bill you selected? ( I have chosen the bill HB429. could you please help me answer these

    asked by Anonymous
  63. Physics

    How would electrical current be affected if the time interval over which a charge passes through an area increases while the amount of charge Remains the Same

    asked by Anon
  64. Zoology

    State the law of constant proportion and give one example? Ans-A chemical compound is always found to be made up of the same elements combined together in fixed proportion by mass. For ex-CaCO3----->CaO+CO2^

    asked by Karamjit singh
  65. Maths

    y1+x2=90 solve

    asked by Kike
  66. Civics

    What biases are present n the movie Bowling for colombine?

    asked by Cam
  67. Physics

    A 10.6 N force is sufficient to keep a 15 kg mass moving in a circle. How much force in Newtons is needed to keep a 10.7 kg mass moving with the same speed in a circle of the same radius?

    asked by Anonymous
  68. Physics

    What is the absolute pressure if the gauge pressure is 100 kPa?

    asked by Lance
  69. math

    7 nails have a mass of 50 g.How many nails have a mass of 1/2 a kg please?

    asked by fizz
  70. math

    what is 07.05 as a 12hour clock

    asked by fizz
  71. chem

    how many moles of Br are in 7.34g IBr3? Plz explain how to do this step by step

    asked by Anonymous
  72. Physics

    A driving bell can withstand a maximum pressure of 2.5 x 10^6 Pa. What maximum depth can the ball reach in seawater?

    asked by Lance
  73. reading

    wish is to wish as goal is to?

    asked by makayla
  74. Math

    A business finds that it has to increase its staff by 5% each year due to growth. After how many years would the size of their staff double?

    asked by Maria
  75. Physics

    What is the gauge pressure if the absolute pressure is 400 kPa?

    asked by Lance
  76. Physics

    What is the absolute pressure 2.5 m below sea surface?

    asked by Lance
  77. Physics

    What is the absolute pressure if the gauge pressure is 3.2 atm?

    asked by Lance
  78. Physics

    What is the gauge pressure if the absolute pressure is 321 atm?

    asked by Lance
  79. Physics

    What is the absolute pressure 1.8 m below the surface of a lake?

    asked by Lance
  80. english

    Which quotes in Julius Caesar shows that Cassius killed Caesar out of jealousy?

    asked by T
  81. Science

    How to determine for an empirical formula?

    asked by Pauline
  82. Math

    Lily ran 2/3 of a mile.Sara ran 1/3 of a mile.Who ran father.Show how you know

    asked by Dorothy