A

Newest questions and responses by A
  1. history

    Several US leaders wanted no part in imperialistic practices. Why did these officials think imperialistic policies were such a bad idea?

    asked on January 17, 2019
  2. Engineering

    6. classical mechanics depends heavily on A. quantum leaps B. ancient theories C. general observations * D. mathematical solutions 7. a virus is a parasite because A. it hunts its prey * B. it only impacts plants C. it lives of other organisms D. it is the

    asked on January 17, 2019
  3. social

    What you would do to ensure a strong relationship in your own life?

    asked on January 15, 2019
  4. English

    If you guys were trying to survive the Titanic How do you think you would feel? How would you react? What would you do to secure your survival?

    asked on January 14, 2019
  5. math

    How many solutions will a system of linear equations have if the lines have the same slopes, but different y-intercepts?

    asked on January 8, 2019
  6. English

    how does global warming connect to overpopulation?

    asked on January 4, 2019
  7. Math

    -4/10x -9 < 9/10 = x < 24 3/4 Did I do this right? was solving for the inequality and the -4/10x is together.

    asked on November 1, 2018
  8. Math

    -2/5x-9

    asked on November 1, 2018
  9. Chemistry

    11 mL of 0.0100 M HCl are added to 25 mL of 0.0100 M acetic acid. What is the pH of the resulting solution?

    asked on October 13, 2018
  10. Math

    -9=5/17n A. n=153/5 B. n=5/153 C. n=-17/45 D. n=-45/17

    asked on September 29, 2018
  11. Math

    3(p+q)=p solve for p

    asked on September 29, 2018
  12. Math

    What is the simplified version of this expression 28st/-4t the / meaning its a fraction

    asked on September 21, 2018
  13. Homework help

    Is there any way to post questions with pictures?

    asked on September 12, 2018
  14. History

    What impact did imperial Spain have on the Americas? Spanish culture came to dominate and replace native cultures. Local leaders were replaced by Spanish parliamentary assemblies. Financing from Spain started the industrialization of the Americas.

    asked on August 3, 2018
  15. Calculus2

    Find the area of the region enclosed by the inner loop of the curve. r = 4 + 8 sin(θ)

    asked on August 3, 2018
  16. calculus2

    A manufacturer of corrugated metal roofing wants to produce panels that are u = 48 in. wide and 2 in. thick by processing flat sheets of metal as shown in the figure. The profile of the roofing takes the shape of a sine wave with equation y = sin(πx/12).

    asked on July 22, 2018
  17. calculus2

    How do I evaluate this integral? integral from 0 to 24 of the √(1+[(π/3)*cos((πx/3)]^2)

    asked on July 21, 2018
  18. calculus2

    Evaluate the integral. ∫arctan(√x) dx

    asked on July 9, 2018
  19. calculus2

    Evaluate the integral. ∫[0,1](12/4x^2+5x+1)dx

    asked on July 8, 2018
  20. calculus2

    Evaluate the integral using the indicated trigonometric substitution. (Use C for the constant of integration.) ∫√((x^2-4)/x)dx x=2sec(t)

    asked on July 6, 2018
  21. calculus2

    A tank is full of water. Find the work required to pump the water out of the spout. (Use 9.8 m/s^2 for g. Use 1000 kg/m^3 as the density of water. Assume r = 9 m and h = 3 m.) The tank is a spherical shape with r as the radius(9m). On top of the tank is a

    asked on June 28, 2018
  22. calculus2

    Use cylindrical shells to find the volume V of the solid. A right circular cone with height 9h and base radius 5r. The answer is 75πhr^2 but my answer is 39πhr^2. How???

    asked on June 25, 2018
  23. calculus2

    Use cylindrical shells to find the volume V of the solid. A sphere of radius r

    asked on June 25, 2018
  24. calculus2

    Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line.y = x − 1, y = 0, x = 8; about the x-axis.

    asked on June 18, 2018
  25. calculus2

    Find its area. y = sec^2(x), y = 8 cos(x), −π/3 ≤ x ≤ π/3

    asked on June 16, 2018
  26. chem

    Why does temp of water used for transferring and washing the precipitate matter? 1. to maximize evaporation 2. to minimize evaporation 3. to maximize the amount of product that dissolves in water

    asked on June 5, 2018
  27. Language Arts *Last One I Promise*

    1. If you were writing a brief profile of Rosa Parks explaining why you admire her, which of the following sentences would make the best thesis statement? In 1955, Rosa Parks refused to give up her seat on a bus. Rosa Parks's refusal to give up her seat

    asked on May 25, 2018
  28. chem TITRATION

    1. If a student fails to remove a large air bubble in the buret before beginning the titration, what will be the effect on the volume of titrant required to reach the titration endpoint? A. The student will record a volume that is SMALLER than it should be

    asked on May 25, 2018
  29. Language Arts

    *First off sorry there are so many, I just wanted to check because it's always better safe than sorry* Identify the correctly punctuated sentence in each group. A.) Do you know where Bailey shoes are? B.) Do you know where Bailey's shoes are?* C.) Do you

    asked on May 25, 2018
  30. Language Arts

    Identify the incorrectly punctuated sentence The child wore a pink cotton shirt. We had a tiring, hot day outdoors. She cooked a delicious healthy meal.**** (I think it's missing a comma) The game was a suspenseful, exciting experience.

    asked on May 25, 2018
  31. LA

    . Which of the following quotes from "The Morning of June 28, 1948" Best describes the aversion that the public felt toward Shirley Jackson's short story "The Lottery?" A) “As a matter of fact, when I read it over later I decided that except for one two

    asked on May 25, 2018
  32. Language Arts

    n Edgar Allan Poe's "The Cask of Amontillado," the literary device of foreshadowing is used to create mystery when Montressor tells Fortunato a. "You are a man to be missed." b. "A draught of this Medoc will defend us from the damps." c. "You were not to

    asked on May 25, 2018
  33. conversions math

    convert 70.5 in^3 to cubic feet? how would you convert this

    asked on May 22, 2018
  34. chemistry

    If you have 1.00 M sodium chloride solution, and you have 300. mL of it, how many grams of sodium chloride are there?

    asked on May 16, 2018
  35. Social Studies

    How did the end of world war 2 impact Minnesota's economy? How did the GI Bill help encourage economic growth in Minnesota and the rest pf the naiton? How are the growth of highways and suburbs related?

    asked on April 30, 2018
  36. Chem

    A dilute aqueous solution of Na2SO4 is electrolyzed between Pt electrodes for 3.70 h with a current of 2.77 A . Part A What volume of gas, saturated with water vapor at 25∘C and at a total pressure of 742 mmHg , would be collected at the anode? The vapor

    asked on April 1, 2018
  37. Chem

    At 298 K, 1.20 mol BrCl(g) is introduced into a 10.0 −L vessel, and equilibrium is established in the reaction. BrCl(g)⇌1/2Br2(g)+1/2Cl2(g) A) Calculate the amount of BrCl(g) present when equilibrium is established. [Hint: Use ΔG0[Br2(g)]=3.11kJ/mol,

    asked on April 1, 2018
  38. chemistry

    At 298 K, 1.20 mol BrCl(g) is introduced into a 10.0 −L vessel, and equilibrium is established in the reaction. BrCl(g)⇌1/2Br2(g)+1/2Cl2(g) A) Calculate the amount of BrCl(g) present when equilibrium is established. [Hint: Use ΔG0[Br2(g)]=3.11kJ/mol,

    asked on April 1, 2018
  39. Physics

    The binding energy of a nucleus is the amount of energy needed to A.Remove a proton from the nucleus. B.Remove a neutron from the nucleus. C.Disassemble the nucleus. D.Fragment the nucleus. E.Fuse or join two of the nuclei together. Please help!

    asked on March 29, 2018
  40. physics

    A 68 kg stunt- woman falls off a bridge and travels 32.0 before colliding with a pile of mattresses. The mattresses are compressed 2.00 m before she is brought to rest. Calculate the magnitude of the average force exerted by the mattresses on the

    asked on March 27, 2018
  41. Writing

    Essay question: How does playing violent video games influence violence in those who play them? Playing violent video games influence violence in those who play them? *Those who play them: I clarified my audience to specifically adolescents because young

    asked on March 26, 2018
  42. Physics

    On a cold winter day, the outside temperature is –5.0 °C while the interior of a well-insulated garage is maintained at 20.0 °C by an electric heater. Assume the walls have a total area of 75 m2, a thickness of 0.15 m, and a thermal conductivity of

    asked on March 18, 2018
  43. Chemistry

    What is the final temperature when 2.50 x 10^5 J are added to 0.950 kg of ice at 0.0 degrees C? The specific heat capacity of water is 4186 J/(kg·degrees C) and the latent heat of fusion for ice is 3.35×10^3 J/kg.

    asked on March 15, 2018
  44. physics

    If a very large iceberg were to float to warmer waters and melt, what, in principle, would happen to the overall sea-level? A. sea-level would rise very slightly. B. sea-level would fall very slightly. C. sea-level would stay the same. *I would say A

    asked on March 8, 2018
  45. Physics

    A basketball player makes a jump shot. The 0.650-kg ball is released at a height of 1.80 m above the floor with a speed of 7.80 m/s. The ball goes through the net 3.10 m above the floor at a speed of 4.40 m/s. What is the work done on the ball by air

    asked on March 7, 2018
  46. Calculus

    The total stopping distance T of a vehicle is shown below, where T is in feet and x is the speed in miles per hour. T = 2.5x + 0.5x^2 Approximate the change and percent change in total stopping distance as speed changes from x = 15 to x = 18 miles per

    asked on March 4, 2018
  47. physics

    An electron experiences an electric force of 0.70 nN . What’s the field strength at its location?

    asked on March 3, 2018
  48. math

    A parking lot space is in the shape of a rectangle. If the space has a length of 23 feet and a width of 12 feet, what is the area of the parking space?

    asked on February 14, 2018
  49. Calc (Derivatives)

    I understand finding the derivative and there is a simpler way of doing so, however, can someone show you derive at these answers by the DEF'N of Derivatives? Much appreciated! Question 1: Find, from the definition, the derivative, f'(x), for

    asked on January 30, 2018
  50. Calc: Limits

    how to calculate the limit: *I got confused especially with the square root. 1. lim as x approaches 2 (squareroot x^2 +5)-3 / (x-2) 2. lim as θ (theta) approaches zero (tan^2 (5θ) / (sin (3θ) sin (2θ) )

    asked on January 29, 2018
  51. English comp

    I need suggestions on how I could rephrase these without being repetitive and that the point comes across. Thank you (: 1. Alcohol is a dangerous recreational substance that many Americans very much abuse to what their body could take. 2. The reason why

    asked on December 12, 2017
  52. help[

    what is a + a?

    asked on November 21, 2017
  53. Physics

    A girl delivering newspapers travels 1 blocks west, 2 blocks north, then 4 blocks east. What is the magnitude of her resultant dis- placement? Answer in units of blocks. 002 (part 2 of 3) 10.0 points Find the direction (measured from due east, with

    asked on November 20, 2017
  54. Algebra 1

    Breathless Cosmetics now offers 24 shades of eye shadow, 20% more than last year. How many shades were offered last year?

    asked on October 16, 2017
  55. statistics

    In the game of​ roulette, a wheel consists of 38 slots numbered​ 0, 00,​ 1, 2,..., 36. To play the​ game, a metal ball is spun around the wheel and is allowed to fall into one of the numbered slots. If the number of the slot the ball falls into

    asked on October 12, 2017
  56. Bio

    There are a lot of components to the question. How can I answer this with a paragraph? Need help. Explain the role of sex chromosomes in inheritance> Answer must include: 1. Anatomical differences as result of XX/XY, 2. Arrangement and structure of X and

    asked on October 7, 2017
  57. physics

    an 85.0kg mountaineer remains in equilibrium while climbing a vertical cliff. the tension force in the supporting rope is 745 N. Find the magnitude of the reaction force F, which the cliff exerts on the mountaineer's feet.

    asked on October 4, 2017
  58. Physics

    Two cars with different motors are competing. One of the cars accelerate från 0-90 km/h on 12 seconds, the other one accelerate from 0-90 km/h on 20 seconds. The acceleration is the same all the time. After 90km/h, the velocity is constant. How many

    asked on September 20, 2017
  59. Physics

    A train has a velocity of 117 km/ h and discover another train standing stil 1200 meters away. The train starts immediately to brake. After 10 seconds the other train finally starts to move away from the first train. The acceleration is equable of both

    asked on September 19, 2017
  60. Math

    Complete the table and state the rule. Input | Output 0|0 |3 2| 3|9 | 5|15 6| I think the rule is Output = Input x 3 but I don't know how the rule should be worded. I think the chart should look like: Input | Output 0|0 1|3 2|6 3|9 4|12 5|15 6|18

    asked on September 18, 2017
  61. la

    The speaker in "Birches" compares the boy's climbing to a. girls dying there hair b. sweeping up broken glass c. a forest full of spiderwebs d. filling a cup to the top I think D

    asked on September 18, 2017
  62. History

    Economic principle # 1 is " principle choose". Employers choose to offer benefit packages to their employees. Apply the key economic principle "the consequences of choices lie in the future" to this decision. What are the important costs and benefits that

    asked on September 15, 2017
  63. Calculus

    Rectilinear Motion Discuss the Velocity, Acceleration, and Speed: 1. s(t)=2t^2 +8t-7 2. s(t)=3t^4 -16t^3 +24t^2

    asked on September 13, 2017
  64. Trigonometry

    State the quadrant in which theta lies. sin(theta) > 0 and cos(theta) > 0 How can I determine this? Please explain.

    asked on June 4, 2017
  65. Trigonometry

    Point P is located at the intersection of the unit circle and the terminal side of angle theta in standard position. Find the coordinates of P to the nearest thousandth. theta = -105degrees Please explain the steps. I'm completely stuck.

    asked on June 2, 2017
  66. Math

    In an examination of a certain class, at least 70% of the students failed in Physics, at least 72% failed in Chemistry, at least 80% failed in Mathematics and at least 85% failed in English. How many at lest must have failed in all the four subjects ?

    asked on May 26, 2017
  67. Math

    Write a rule for the nth term of the arithmetic sequence. -12, -5, 2, 9

    asked on May 16, 2017
  68. Science

    A fungus called stem rust penetrates the cells of a wheat plant, causing water loss, destruction of food-producing parts, and retarded root developemtn. Both the yield and quality of the grain are reduced. This relationship of stem rust to wheat would best

    asked on April 14, 2017
  69. ALGEBRA CHECK ANSWERS

    Solve each equation by graphing the related function. If the equation has no real-number solution, write no solution. NOTE: when I write + it has a minus on the bottom too x^2+7=0 a. x= +7 b. x = +3.5 c. x= 0 d. no solution *** 3x^2=0 a. +3 b. +1/3 c. 0

    asked on April 4, 2017
  70. Chemistry

    1. Not sure of how to do the calculations... Make a 0.200 m solution of NaCl in a 100. mL volumetric flask. ... Solution A's question or statement is the same but with M (molarity) Is this right? The small m means molality. If it were changed to capital M,

    asked on February 3, 2017
  71. economics

    given the following information, calculate nominal GDP, real GDP, and the percentage increase in year two. Be sure to label the answers. Describe what is taking place in the economy. In the base year, 10 new cars were sold at $7,000 each, 20 new office

    asked on January 25, 2017
  72. Mental Health

    If the correlation between one’s interest in statistics and being a “fun date” was –0.70, it would mean that: a. The higher someone’s interest was in statistics, the more likely it would be that he or she is a fun date b. The higher someone’s

    asked on January 22, 2017
  73. behavior health

    According to classical test theory, if the observed variance of a test is 50 and the true variance is 40, what is the estimated reliability of the test? a. 0.40 b. 0.50 c. 0.80 d. 0.90 I selected C for my answer 40/50 is the .80 If the correlation between

    asked on January 22, 2017
  74. math

    what is the possible number of outcomes in choosing a book to read from 7 fiction and 9 non fiction books?

    asked on January 17, 2017
  75. Life Span Development

    Social skills training programs are interventions in which children are taught specific, discrete behaviors that can facilitate effective social interactions, like making eye contact and asking appropriate questions. Assessments of these interventions

    asked on January 6, 2017
  76. Life Span Development

    1. In adolescence and early adulthood, males and females begin to spend more time in mixed-gender groups. Studies of who has more influence on the outcome of problem solving in mixed-gender groups indicate that: A. Females have an advantage because they

    asked on January 6, 2017
  77. Life Span Development

    1. Levels of social cognitive __________ do not always match __________. A. reasoning / behavior B. attributions / behavior C. behavior / biases D. attributions / reasoning

    asked on January 6, 2017
  78. English

    Pick three themes from Lord of the Flies and write a PEE paragraph about each. I have chosen savagery, youth and power/order as my themes. I know to write stuff about the conch and the chief for power/order but I don't know hat else to write for the rest.

    asked on January 4, 2017
  79. ms.sue

    who is ms.sue? i've seen her a lot on the answers and she's EVERYWHERE!! is there only 1 ms.sue?

    asked on December 15, 2016
  80. History

    The Federalists and the Democratic-Republicans emerged as separate political parties partly as a result of disagreement over

    asked on December 14, 2016
  81. Algebra

    The cost of producing 4 metal units is $204.80. The cost of producing 8 units is $209.60. What will it cost to produce 14 units?

    asked on December 13, 2016
  82. maths probability

    a spinner is marked green yellow red and blue. neel conducted an experiment spinning the spinner several times

    asked on December 10, 2016
  83. Physics

    A bungee jumper runs off a platform and falls 40m before his bungee cord begins to stretch. Once the bungee cord begins to stretch his velocity slows by 20 m/s in 12m. If the mass of the bungee jumper is 55kg, what is the average force the bungee applies

    asked on December 7, 2016
  84. Physics

    You set up a ramp with a length of 1.15 m, raising one end to a height of 0.4 m. You then roll a 0.300 kg toy car down the ramp, starting at rest a)What is the change in potential energy of the toy car rolling down this ramp? b)If all of that energy is

    asked on December 1, 2016
  85. CHEM 1301

    A sample of propane, C3H8, contains 12.2 moles of carbon atoms. How many total moles of atoms does the sample contain?

    asked on November 30, 2016
  86. Math Quadratic Functions

    Quadratic equation always do what to their inputs? How can I answer this question..?

    asked on November 20, 2016
  87. english 101

    how would you write a thesis statement on adoption

    asked on November 18, 2016
  88. Pre-cal

    Solve (in radians) sec x = 2csc x When I work it out, it gets to 2cot x - 1 = 0 cot x = 1/2 Would it be ok to use tan^-1 (2) ? I must demonstrate it with a graph as well... would the line go through Q I/III or II/IV ? Thank you!

    asked on November 16, 2016
  89. Physics

    A ball hanging from a twisted string is released from rest, and spins around in a circle (reversing direction periodically). The angular velocity of the ball is given by: 𝜔(𝑡)=(16 𝑟𝑎𝑑/𝑠) sin[(𝜋/5 𝑟𝑎𝑑/𝑠)𝑡] Find the number

    asked on October 21, 2016
  90. Physics

    As part of a daring rescue attempt, the Millennium Eagle coasts between a pair of twin asteroids, as shown in the figure below where d1 = 2.55 km and d2 = 1.28 km. The mass of the spaceship is 2.53 x10^7 kg and the mass of each asteroid is 3.70x10^11 kg.

    asked on October 21, 2016
  91. Science , Biology

    Why does a sorting process only work when variation is present in a population?

    asked on October 19, 2016
  92. History

    A: Passage of the Currency Acts B: Passage of the Intolerable Acts C: Passage of the Navigation Acts D: Passage of the Stamp Act 2. Which of the following pairs did NOT disagree throughout the colonial period A: Patriots and loyalists B: Christopher Gadsen

    asked on October 19, 2016
  93. Science, English

    how would you define a sorting process? A creative process?

    asked on October 19, 2016
  94. Science,

    Can you write a

    asked on October 19, 2016
  95. Science

    a. Choreographing a performance b. Straining pasta from water after you finish cooking it c. Earning a grade based on how many questions you answered d. Answering an essay question e. Determining who is tall enough to ride a roller coaster f. Making a clay

    asked on October 19, 2016
  96. English

    Which one is correct? did you go to the class yesterday? OR did you went to the class yesterday?

    asked on October 14, 2016
  97. Eng

    In the movie, silence of the lambs, dr.lector says " memory is all I have instead of a view." How can this be used to analyze his motives of crime? I think it may be related to how he is uncounciously being reminded of his past with the memories. But what

    asked on October 6, 2016
  98. Eng

    what does "laying the foundation of human rights violation mean"? Especially when you are taking about how someone's acceptance of something lays the foundation of human rights violations

    asked on October 5, 2016
  99. English

    I was wondering what does "crime is a social construction" mean. Also, is it the same as "social construction of crime"?

    asked on September 28, 2016
  100. Physics

    An arrow is shot from a height of 1.4 m toward a cliff of height H. It is shot with a velocity of 28 m/s at an angle of 60° above the horizontal. It lands on the top edge of the cliff 3.6 s later. a) What is the height of the cliff (in m)? I got 25.191 m

    asked on September 24, 2016

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