please help!

Most popular questions and responses by please help!
  1. ELA Lesson 18: Adventures and Imagination UnitTest

    1. What is the best summary of lines 1–16? (1 point) Alice cannot reach the doorknobs. Alice keeps shrinking until she is very tiny. She talks about being smaller than furniture in the room. She throws the Rabbit’s gloves and fan on the floor. When she

    asked on May 26, 2017
  2. Math

    Write a list of steps that are needed to find the measure of angle B. A measures 72 degrees and C measures 113. What does B measure?! Please help!

    asked on February 1, 2017
  3. Social Studies

    1. How did Horace Mann contribute to the reform in education? A.His development of books with raised letters aided in the education of the blind. B. His educational philosophy led to a new approach to educating the deaf. C. His radical call for classroom

    asked on May 22, 2017
  4. Math: Geometry

    2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!

    asked on January 24, 2017
  5. math

    For questions 1 and 2, use the integer values of x from -3 and 3 to graph the equation 1. y= -2x^2 +3 (the ^ means an exponent) 2. y= 1/3 |x| -2 Find the horizontal change and the vertical change from the translation P(4, -4) --> (-4, 7)

    asked on April 13, 2017
  6. Chemistry

    If 1.10 g of steam at 100.0 degrees celsius condenses into 38.5 g of water, initially at 27.0 degrees celsius, in an insulated container, what is the final temperature of the entire water sample? Assume no loss of heat into the surroundings

    asked on November 8, 2010
  7. Social Studies

    Which of the following musical styles of the 1800s has helped shape current genres, such as country and rock music? A dixie** B jazz C gospel D Blues

    asked on May 22, 2017
  8. Math

    Triangle ABC is reflected over the y-axis what are the coordinates of the reflected triangle describe in words what happens to the x coordinates and the y coordinates of the original triangle's vertices as a result of this reflection. Please help! Thank

    asked on April 5, 2016
  9. SS

    How does the geography of Eastern Europe most affect farming in the region? There's more, but please answer this question first. If you know all the answers to the test please tell me them! Thanks!

    asked on May 26, 2016
  10. Math

    For questions 2 and 3, simplify each polynomial. 2. 3x^2+6-2x+5x-4x^2+9 a. -x^2+3x+15 b. 7x^2+3x+3 c. x^2-3x+15 d. -x^2+7x+15 3. 4x^2+8x-11x+6-5x^2+2 a. -x^2-3x+8 b. -x^2+3x+8 c. x^2-3x+8 d. x^2+3x+8 Please, i need help with the Lesson 7: Polynomials and

    asked on May 8, 2019
  11. World History

    05.06 HC)Suppose a historian wanted to argue that the Enlightenment had a more positive influence on the American Revolution than on the French Revolution. Which statement below would be the strongest evidence for the historian's view? The French

    asked on February 5, 2016
  12. Science

    In pea plants, purple flowers are dominant over white flowers. Which Punnet square correctly shows the cross of a plant with white flowers and a plant that is heterozygous for purple flowers? A. Aa,Aa, aa, aa B. Aa,Aa, Aa,Aa C. AA,Aa, Aa,aa D. AA,AA, Aa,Aa

    asked on January 28, 2016
  13. World History

    Which statement supports the claim that the political philosophy of John Locke was as revolutionary as the scientific revolution of Copernicus? *****a. Just as Copernicus replaced the Earth with the Sun at the center of the solar system, Locke replaced the

    asked on February 5, 2016
  14. physics

    A 66.0 kg man is ice-skating due north with a velocity of 5.70 m/s when he collides with a 36.0 kg child. The man and child stay together hand have a velocity of 2.20 m/s at an angle of 33.0° north of east immediately after the collision. What was the

    asked on November 22, 2010
  15. Social studies

    I need help with the unit 3 Lesson 8. Please I would really appreciate it!!

    asked on February 27, 2019
  16. Math

    Which equation has a graph perpendicular to the graph of 7x = 14y - 8? Y = 2x - 7 Y = -1/2x + 4 Y = 1/2x + 1 Y = 2x + 9 B?

    asked on January 10, 2016
  17. College Calculus 1

    A runner sprints around a circular track of radius 150 m at a constant speed of 7 m/s. The runner's friend is standing at a distance 300 m from the center of the track. How fast is the distance between the friends changing when the distance between them is

    asked on October 1, 2010
  18. Spanish

    Who was the Columbian artist best known for painting characters and objects with larger-than-life features? A. Fernando Botero B. Salvador Dalí C. Diego Rivera Is the answer A?

    asked on March 4, 2019
  19. English

    What is the best way to revise the following sentence so it used a pronoun in the nominative case? Lauren handed Sarah the keys after locking the door. A. She handed Sarah the keys after locking the door. B. Lauren handed her the keys after locking the

    asked on March 12, 2019
  20. S.S redo

    1. The economic centers of the Northeast are the region's __________. (1 point) farms fisheries forests cities 2. Two major ports in the South are ______________________. (1 point) Atlanta and Dalton Raleigh and Austin Miami and New Orleans New York City

    asked on March 12, 2014
  21. Social Studies

    I am stuck on my practice test and test and pre test of, The Revolutionary War. As you can see I am far behind. Can someone give me resources? I have read my books over and over again.

    asked on August 30, 2016
  22. Science Help!

    Long hair is recessive in cats. Which of the following Punnett squares shows a cross that would result in the probability that 75% of the offspring will have short hair?

    asked on January 28, 2016
  23. Science

    What is/are the main factor(s) that determine(s) that your plants will grow into bean plants (or other fast-growing plants that you used for your experiment) and not some other type of plant (genetics, environment, or both)? Explain your answer

    asked on September 23, 2015
  24. math

    For 2 and 3 simplify each polynomial 2. 4x^2+4-5x+x-2x^2+8

    asked on May 5, 2019
  25. physics

    An alpha particle collides with an oxygen nucleus, initially at rest. The alpha particle is scattered at an angle of 60.9° above its initial direction of motion, and the oxygen nucleus recoils at an angle of 51.9° on the opposite side of that initial

    asked on November 21, 2010
  26. chemistry

    i keep trying to do these problems and i don't understand them. please help me!! 1. Gas stored in a tank at 273 K has a pressure of 388 kPa. The save limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure? A. 850 K B. 925 K

    asked on October 10, 2008
  27. Spanish

    I just need someone the check my answer.. Which of the following honors belongs to Chilean poet, Gabriela Mistral? A. The first Latin American to win the Nobel Price in Literature** B. The first poet to win the Nobel Prize in Chemistry C. The first woman

    asked on February 7, 2019
  28. physics

    A boat travels at 3.8 m/s and heads straight across a river 240 m wide. The river flows at 1.6 m/s. Find A) The boat's resultant velocity. B) How long it takes the boat to cross the river. C) How far downstream the boat is when it reaches the other side.

    asked on November 2, 2008
  29. Science/Math

    Hello, Suppose that a newly discovered element called centium has three isotopes that occur in nature. These are centium-200, centium-203, and centium-209. Assume that these isotopes occur in equal amounts in nature. What will be the average atomic mass of

    asked on April 13, 2011
  30. Math

    What are the next three terms in the sequence? -3, 6, 15, 24. a. 35, 46, 57 b. 34, 44, 54 c. 33, 44, 66 d. 33, 42, 51

    asked on April 22, 2019
  31. physics

    A golfer imparts a speed of 32.1 m/s to a ball, and it travels the maximum possible distance before landing on the green. The tee and the green are at the same elevation. (a) How much time does the ball spend in the air? (b) What is the longest "hole in

    asked on October 12, 2010
  32. American Government

    Which of the following statements describes the governor’s role in creating the state budget? A. The governor creates the budget, and the state legislature and agencies must accept it. B. The governor proposes the budget, which the other executive

    asked on November 1, 2017
  33. math

    The quantity demanded x (in units of a hundred) of the Mikado miniature cameras/week is related to the unit price p (in dollars) by p = −0.2x2 + 80 and the quantity x (in units of a hundred) that the supplier is willing to make available in the market is

    asked on December 6, 2012
  34. Math

    Find the the volume of a cone with the radius of 5ft and a height of 12ft

    asked on February 28, 2019
  35. chemistry

    How many grams of NAC2H3O2 must be dissolve in enough water to prepare 250.0 mL of a solution with a pH= 9.200? Molar mass of NaC2H3O2 ia 82.03 g/mol. Ka for C2H3O2H is 1.8x10^-5

    asked on October 3, 2011
  36. Advanced Functions

    Rena has been offered entry-level positions with two firms. Firm A offers a starting salary of $40 000 per year, with a $2000 per year increase guaranteed each subsequent year. Firm B offers a starting salary of $38 500, with a 5% increase every year after

    asked on December 13, 2009
  37. Math

    A new oil field has just begun production. The first oil removed is the easiest to get out, and so production falls as time goes on. The instantaneous rate at which oil can be extracted is 14% of the amount of oil remaining per year. Here, "instantaneous"

    asked on April 20, 2016
  38. Math

    Which equation has a graph parallel to the graph of 9x + 3y = -22 Y = 3x - 22 Y = 3x + 8 Y = 1/3x + 12 Y = -1/3x - 2*** Please help @Ms. Sue

    asked on January 10, 2016
  39. Math

    A new oil field has just begun production. The first oil removed is the easiest to get out, and so production falls as time goes on. The instantaneous rate at which oil can be extracted is 14% of the amount of oil remaining per year. Here, "instantaneous"

    asked on April 20, 2016
  40. S.S please help!

    1 Marks: 3 Which statement best describes the government of Canada? Choose one answer. a. The monarch of Britain has total control over Canada. b. The Canadian parliament is ruled by the United States. c. Canada has complete power over its own government.

    asked on March 12, 2014
  41. physics

    A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.38 m/s. The car is a distance d away. The bear is 25.4 m behind the tourist and running at 5.88 m/s. The tourist reaches the car safely. What is the

    asked on December 11, 2008
  42. MATH

    A triangle with two congruent sides and two angles that both measure 45 is a.scalene and right b.isosceles and acute c.isosceles and right d. Equilateral and acute

    asked on December 5, 2010
  43. Math

    Graph the linear equation 5. y = 3x + 3 My answer: D (probably wrong) 6. Find the slope of the line through (-9,-10) and (-2, -5) A: -5/7 B: 7/5 C: 5/7 D: -7/5

    asked on April 10, 2017
  44. chemistry

    when water is combined with magnesium nitride to produce magnesium hydroxide and ammonia gas, is this reaction endothermic or exothermic and why?

    asked on January 25, 2011
  45. ENGLISH

    In "A Man Called Horse," After his wife leaves him, Yellow Robe Behaves recklessly in battle because he A. would rather die than live with the bitterness he feels as a result of his lost pride B. is trying to gain membership in the society known as the

    asked on May 28, 2014
  46. math

    i'm having trouble with this math equation 5/2x^2-1/2^4 (need to find greatest common factor)

    asked on May 19, 2011
  47. Chemistry

    Consider the following equilibrium at 1000K: 2SO2 (g) + O2 (g) ¡ê 2SO3 (g) A study of this system reveals that there are 3.5E-3 moles of sulfur dioxide gas, and 4.8E-3 moles of oxygen gas present in a 11.0L flask at equilibrium. The equilibrium constant

    asked on June 3, 2012
  48. Math

    Write the standard equation of the ellipse with the given characteristics Vertices: (0,7) (0,-7) foci: (0,2) (0,-2)

    asked on May 7, 2012
  49. math

    Suppose $5000 is deposited in a bank account that compounds interest four times per year. The bank account contains $9900 after 13 years. What is the annual interest rate for this bank account? i already set it up but i don't know where to go from there.

    asked on April 9, 2012
  50. Math

    Write and equation to match the problem situation below. Callie has 4 rimes as many CDs as she has DVDs. She has a total of 60 CDs and DVD. How many dvds, d, does callie have?

    asked on February 22, 2011
  51. physics

    A horizontal rifle is fired at a bull's-eye. The muzzle speed of the bullet is 795 m/s. The barrel is pointed directly at the center of the bull's-eye, but the bullet strikes the target 0.042 m below the center. What is the horizontal distance between the

    asked on October 13, 2010
  52. MATH-HELP!

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked on March 2, 2008
  53. Physics

    A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is located on the bottom segment of the loop? Each side of the square loop has length d. The answer should be given in terms of d, I,

    asked on March 22, 2017
  54. Science

    1. ____ are stored by the body as energy reserves. Lipids Carbohydrates Proteins Nucleic acids C?

    asked on January 10, 2016
  55. MATH/PHYSICS

    1.) A bird can fly 20 km/h. How long does it take to fly 12 km?

    asked on October 1, 2012
  56. Lunar Eclipse

    You have just witnessed a total lunar eclipse! Write an email to a friend, describing the sequence of events that you witnessed. Explain why the eclipse occurred and your impressions of the changing night sky.

    asked on April 24, 2018
  57. financial managment

    Inventory and Depreciation Concepts Assume that an organization purchased two pieces of equipment on April 1st (the first day of its fiscal year), as follows: (1) One laboratory equipment that cost $530,000 and has an expected life of 8 years. The salvage

    asked on October 8, 2017
  58. AP Chemistry

    14 carat gold has a purity of 58.3%. How many moles of gold are in 138 grams of 14 carat gold? Answer in units of moles.

    asked on September 19, 2017
  59. Physics

    A typical tumor treated with radiotherapy may receive 400 Gy per 250g. How many disintegrations of caesium-137 atoms are required to provide that absorbed dose? Help would be appreciated!

    asked on June 18, 2015
  60. statistics

    An investment broker reports that the yearly returns on common stocks are approximately normally distributed with a mean return of 12.4 percent and a standard deviation of 20.6 percent. On the other hand, the firm reports that the yearly returns on

    asked on May 13, 2014
  61. calculus

    Can someone help me understand how to find the derivative of these two problems: (t^2-1/t^2+2)^3=y and y=sin^32x? I think with the first one, I could just foil it maybe and cancel but I don't know what to do with the ^3...and then the second one I haven't

    asked on June 24, 2012
  62. Math

    Change into standard form 1. x^2+6x+4y+5=0 2. y^2+12x+2y+=-25

    asked on May 7, 2012
  63. chemistry

    when water is combined with magnesium nitride to produce magnesium hydroxide and ammonia gas,

    asked on January 25, 2011
  64. Math

    Which of the following shapes could not represent a top, front, or side view of a pentagonal prism? a. A pentagon b. A triangle c. A square d. A rectangle

    asked on December 5, 2010
  65. Science

    The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

    asked on May 3, 2010
  66. MATH

    The total sales made by a salesperson was $25,000 after 3 months and $68,000 after 23 months. Predict the total sales after 42 months.

    asked on January 17, 2010
  67. prob and stats

    A test is conducted in 22 cities to see if giving away free transit system maps will increase the number of bus riders. In a regression analysis, the dependent variable Y is the increase in bus riders (in thousands of persons) from the start of the test

    asked on December 9, 2009
  68. Algebra

    Jon and Melissa agree to meet in Chicago for the weekend. Jon travels 236 miles in the same time that Melissa travels 224 miles. If Jons rate of travel is 3 mph more than Melissas, and they travel the same length of time, at what speed does Jon travel?

    asked on March 5, 2013
  69. Physics

    A spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens?

    asked on October 28, 2012
  70. Physics

    The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g

    asked on November 14, 2011
  71. CHEMISTRY

    ETHANOL (C2H5OH) HAS A DENSITY OF 0.80g/ml. IF A 10%(v/v) MIXTURE OF ETHANOL IN WATER WAS PREPARED HOW MANY GRAMS OF ETHANOL WOULD BE IN 100ML OF THE MIXTURE? (ASSUMING MIXED VOLUME IS THE SUM OF THE PARTIAL VOLUME)

    asked on April 25, 2011
  72. Science/Math

    The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

    asked on May 3, 2010
  73. chemistry

    1 km = ? cm. I was thinking 1,000,000. Could someone double check that?

    asked on December 12, 2008
  74. microecomomics

    When deriving an individuals demand curve how do you find the optimal bundle if you are only given: price of 2 goods and income. i.e- price of wine: $35 price of beer: $12 Income= $419

    asked on October 5, 2008
  75. why won't anybody help me

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked on March 2, 2008
  76. math

    The region R, is bounded by the graphs of x = 5/3 y and the curve C given by x = (1+y^2)^(1/2), and the x-axis. a) Set up and evaluate an integral expression with respect to y that gives the area of R. b) Curve C is part of the curve x^2 - y^2 = 1, Show

    asked on March 2, 2008
  77. Precalculus

    Which of the following functions have graphs that reflect their respective parent functions over the x-axis? Select all that apply. a. g(x) = -2^x b. g(x) = (-2)^x c. g(x) = 4th root(-3x) d. g(x) = -1/3 4th root(x) e. g(x) = - absolute value(x) f. g(x) =

    asked on October 20, 2018
  78. Algebra

    suppose that y is directly proportional to x and that y=10 when x=3. Find the constant of proportionality k. K= Use y=kx to find when x=6 Y= Is the answer: K=3.33 Y=9.99 Please help. I'm so confused.

    asked on November 27, 2016
  79. Math

    At the end of the course David averaged a 90% on Tests; 80% on Quizzes; 60% on Quick Checks; 90% on Discussions; 100% on Participation and 95% on Sample Work. What would be his final percentage to the nearest tenth and please show how you got your answer!

    asked on October 17, 2016
  80. Physical Science

    Why do molecules in a cup of water move at a variety of speeds?

    asked on September 21, 2015
  81. chemistry

    What is the molarity of 5g of O2 in 250 mL? Show work, please.

    asked on December 12, 2012
  82. physics

    A spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens?

    asked on October 28, 2012
  83. PHYSICS

    Vector V1 is 6.29 units long and points along the negative x axis. Vector V2 is 4.23 units long and points at +35.0° to the +x axis. (a) What are the x and y components of each vector? (b) Determine the sum V1 + V2.

    asked on September 30, 2012
  84. math

    I have to evaluate the limit of these problems and I can't figure them out! 1.) Lim x-> 1 x^2+x-2/x^2-x 2.) (please note that the -2 is not under the square root) Lim x->0 sqroot 4+h -2/ h

    asked on June 18, 2012
  85. Math

    Maratha bakes between 4 1/4 and 9 3/4 hours each day at her bakery. About how many hours does she spend baking in one week?

    asked on December 6, 2010
  86. Math Please Help

    Which statement is not true? Two or angles that are supplementary have a sum of 180 or Two angles that are complementary have a sum ot 45

    asked on December 5, 2010
  87. Math Please Help

    The premiters of two equilateral triangles are in the ratio 2:3. If the perimeter of the smaller triangle is 16 cm what is the measure of a side of the larger triangle?

    asked on December 5, 2010
  88. Prob and Stats

    In a multiple regression with 5 predictors in a sample of 56 U.S. cities, what would be the critical value for an F test of overall significance at a= .05? A. 2.45 B. 2.37 C. 2.40 D. 2.56

    asked on December 9, 2009
  89. chemistry lab repost

    i need help locating a lab for regents chemistry. i have the data sheet but misplaced the rest of the lab. i know it's online somewhere, but i'm not sure which lab it is.. (what it is called). The data sheet has 3 charts on it, 1 titled 'solubility'. it

    asked on March 15, 2009
  90. microeconomics

    When deriving an individuals demand curve how do you find the optimal bundle if you are only given: price of 2 goods and income. i.e- price of wine: $35 price of beer: $12 Income= $419

    asked on October 6, 2008
  91. Math

    Find T 2200=7500/(1+9e^-o.o21972*T) Can I multiply both sides by 1+9e^-0.021972*T ?

    asked on January 14, 2015
  92. Algebra

    1.How do I find the center of a circle using the points (2,8) (-4,6) (1,-1) ? 2. The Radius of the circle? 3. Equation of circle THANKS!

    asked on September 24, 2014
  93. Algebra 2

    log4 (x-2) - log4 (x+1) = 1

    asked on June 13, 2012
  94. Algebra 2

    log x 8 = 2

    asked on June 13, 2012
  95. Math

    c - 1/4c = 49.95

    asked on January 23, 2011
  96. Math

    2/7 k - 1/14 k = -3 does k= -42?

    asked on January 23, 2011
  97. Math!

    x/4 - 3x/2 = -1/2 I do not understand at all

    asked on January 23, 2011
  98. Math

    Luke bought some things at the store. He paid $5.98 for a pizza, $3.75 for a case of dr.pepper, $2.50 for a box of brownie mix. And $1.01 in sales tax. What information is needed to find Lukes correct change?

    asked on December 6, 2010
  99. MATHE HELP!

    Write an expression that can be used to find the average if these numbers: 7, -2, 10, -4, -9

    asked on December 6, 2010
  100. Science

    The Ruby Throated Hummingbird has a resting heart rate of 250 beats per minute. When it is threatened or chased, it's heart rate can reach 1200 beats per minute. Predict its lifespan and justify your explanation.

    asked on May 3, 2010

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