Questions Asked on
April 9, 2015

  1. Language Arts

    In the multi-draft reading process what does a reader look for in the third reading? *This is a question from Connexus, and I really need help D:

    asked by Sarah
  2. Math.

    For question 1-4 for the interest. All rates are annual interest rates. 1) principal, $400 rate, 5% time, 1 year. a. $10 b. $20 c. $40 d. $200 2) principal, $1,000 rate, 8.5% time, 3 years a. $255 b. $170 c. $22.5 d. $17 3) principal, $200 rate, 9% time,

    asked by Sydney HELP! Need help ASAP!
  3. Physics

    A large container, 114 cm deep is filled with water. If a small hole is punched in its side 93.0 cm from the top, at what initial speed will the water flow from the hole?

    asked by Rutgers
  4. science

    Which of the following is s major difference between elliptical galaxies and spiral galaxies? A. Elliptical galaxies have almost no gas or dust between starts. B. Elliptical galaxies vary more in shape than spiral galaxies. C. Spiral galaxies have almost

    asked by Kanani
  5. Chemistry

    Write a balanced equation for the combustion of gaseous propane (C3H8), a minority component of natural gas, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water. I answered C3H8 + 5O2 = 3CO2 + 4H2O but it was wrong,

    asked by Basel
  6. calculus (please with steps and explanations)

    consider the function f that is continuous on the interval [-5,5] and for which the definite integral 0(bottom of integral sign) to 5(top of integral sign) of f(x)dx=4. Use the properties of the definite integral to evaluate each integral: (a) definite

    asked by Linda
  7. Math

    You flip a coin 30 times and get heads 11 times, so the chance of getting heads is 11\30. Is this an example of theoretical or experimental probability? A. Theoretical B. Experimental Is the answer B? Thank you

    asked by Grace
  8. Chem

    If a .750g sample of magnesium chloride is dissolved in water and then treated with a silver nitrate solution how many grams of silver chloride should be collected? I don't understand what my first step should be. The balanced equation is

    asked by Maddy
  9. science

    A protostar has a high enough ___ to become a star. A. Volume B. Mass C. Temperature D. Brightness Is the answer B? Thank you

    asked by Kanani
  10. English

    Nathan argues that each paragraph in a narrative should support the author's thesis. Nan says that paragraphs in a narrative should illuminate some part of the action. Which one is correct? A. Neither Nathan nor Nan is correct. B. Both Nathan and Nan are

    asked by Diana
  11. science

    From the cosmic background radiation, what can scientists infer that the universe was like after the big bang? A. Very small B. Hot C. The same average temperature as it is today. D. Cooler than it is today. Is the answer C? Thank you for the help😊

    asked by Kanani
  12. English

    The exam is around the corner. Rewrite the sentence begininga. The corner ...

    asked by Chitalu
  13. pre - CALCULUS

    A gas company has the following rate schedule for natural gas usage in single-family residences: Monthly service charge Per therm service charge 1st 25 therms Over 25 therms $8.80 $0.6686/therm $0.85870/therm What is the charge for using 25 therms in one

    asked by Ciara
  14. english

    About 200 years ago the Cherokee Indians were one tribe, or "Indian Nation" that lived in the southeast part of what is now the United States. During the 1830's and 1840's, the period covered by the Indian Removal Act, (1) many Cherokees were moved west to

    asked by jimm
  15. English

    Which of the following sentences shows an example of parallel verbs? A. Once the game was over, Jim had to be running home and eat dinner. B. Once the game was over, Jim had to run home and dinner was ready. C. Once the game was over, Jim had to run home

    asked by Diana
  16. math help please

    Determine which function has the greater rate of change in questions 1−3 1. x y ------- -1 0 0 1 1 2 2 3 (1 point) The rates of change are equal. The graph has a greater rate of change.*** The table has a greater rate of change. none of the above 2. y =

    asked by Linda
  17. Physic

    A 2.5-kohms and a 3.7-kohms resistor are connected in parallel; this combination is connected in series with a 1.4 kohms resistor. If each resistor is rated at 0.5W (maximum without overheating), what is the maximum voltage that can be applied across the

    asked by Allen
  18. Calculus

    The sun is setting at the rate of 1/4 deg/min, and appears to be dropping perpendicular to the horizon, as depicted in figure 6.2.5. How fast is the shadow of a 25 meter wall lengthening at the moment when the shadow is 50 meters long?

    asked by John
  19. math

    a model rocket is projected straight upward from the ground level. It is fired with an initial velocity of 192 ft/s. How high is the rocket after 10 seconds? When is the rocket at a height of 432 feet? What is the maximum height of the rocket? When will

    asked by Rick
  20. Math

    A company predicts that this years sales will be equivalent to 144% of last years sales. Which value represents 144%? A. 14.4 B. 1 11/25 C. 1.56 D. 14 4/5

    asked by Emily
  21. physics

    How can the alternative definition of power: P = \frac{w}{\Delta t} = F \frac{d}{\Delta t} ... can be derived by substituting the definitions of work and speed into the standard definition of power, P =\frac{W}{\Delta t}. (Equations written without latex

    asked by Heeyong
  22. Math

    Suppose f(x) = sin(pi*cosx) On any interval where the inverse function y = f –1(x) exists, the derivative of f –1(x) with respect to x is: a)-1/(cos(pi*cosx)), where x and y are related by the equation (satisfy the equation) x=sin(pi*cosy)

    asked by Thomas
  23. Division

    Maria cut a pizza into 8 equal slices she put a slice of pizza on 3 plates what is the measure of the angle for the angle for the slices that are left?

    asked by Anonymous
  24. Math

    Suppose you write the letters M-I-S-S-I-S-S-I-P-P-I on cards and mix them in a hat. You choose one card from the hat without looking. What is the probability of picking an S? A.4\11 B.2\11 C.4\7 D.7\4 Is the answer A? Thank you

    asked by Grace
  25. English

    Both Ada and Phil are evaluating their thesis statements, topic sentences, and evidence. If Ada finds that her essay doesn't have a thesis statement identifying the topic of the essay, Ada will reread the essay and decide what the main point of the essay.

    asked by Diana
  26. Physics

    A raft is made of 14 logs lashed together. Each is 29.5 cm in diameter and has a length of 6.50 m. How many people (whole number) can the raft hold before they start getting their feet wet, assuming the average person has a mass of 75.0 kg? Do not neglect

    asked by Rutgers
  27. chemistry

    28g of N2 and 6g of H2 were kept at 400 degree centigrade,the equilibrium mixture contained 27.54g of NH3. Find the value of Kc in mole^-2L^2 .

    asked by abhishek
  28. Chemistry

    A 54.7-g sample of aluminum at 95.0°C is dropped into 35.0 g of water at 40.0°C. What is the final temperature of the mixture? (specific heat capacity of aluminum = 0.89 J/g°C; specific heat capacity of water = 4.184 J/g°C)

    asked by Deanne
  29. music, arts

    1. Listen to the Corelli, Vivaldi and Bach examples. Using the stylistic features of each, write a summary of the development of instrumental music in the 18th century. Be aware of overall form and musical elements you hear in the examples. Explain the

    asked by alana
  30. Chemistry

    calculate oh- and ph in a solution in which dihydrogen phosphate ion is 0.335 M and hydrogen phosphate is 0.335 M. This is a homework question, where I have the solution, which is 0.335/0.335, which I get, but then I am supposed to multiply this (1)by a

    asked by Jessica
  31. Math

    Suppose you write the letters M-I-S-S-I-S-S-I-P-P-I on cards and mix them in a hat. You choose one card from the hat without looking. What is the probability of picking a P? A.4\11 B.2\11 C.4\7 D.7\4 Is the answer B? Thank you

    asked by Grace
  32. math

    Students in Mrs. Doyles classes use 3/4 of a bottle of hand sanitizer every week. Which expression can be used to find how many bottles of hand sanitizer the students will use in 12 weeks. A. 12 x 3/4 B. 12 + 3/4 C. 12 - 3/4 D. 12 divided by 3/4 I have

    asked by Ashley
  33. Math

    Which situation can be represented by the equation y= 12x - 4? A. The number of eggs , y, in x, dozen eggs for sale after 4 dozen eggs are sold. B. The cost of, y, of buying x movie tickets that sell for 8$ each. C. The cost, y, after a 4$ discount, of

    asked by Reece
  34. Calculus

    Suppose that y=f(x) = sqrt(2x), x>=0 Find a c > 0 such that the tangent line to the curve y = f(x) at x = c has the same slope as the tangent line to the curve y = f^–1(x) at x = c. You get: c = 1/8 c = 1/2 c = (1/8)^(1/3) c = (1/3)^(2/3) c = (1/2)^(1/3)

    asked by Thomas
  35. Calculus

    In a poll of 400 voters in a certain state, 61% said that they opposed a voter ID bill that might hinder some legitimate voters from voting. The margin of error in the poll was reported as 4 percentage points (with a 95% degree of confidence). Which

    asked by Scott
  36. Math

    You roll a pair of number cubes and then flip a coin. Is this an example of independent or dependent events? A. Independent B. Dependent Is the answer A? Thank you

    asked by Grace
  37. math

    The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of geometric sequence with a common ratio of 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.

    asked by zack
  38. math

    Boris has a coin and a number cube. The number cube is labeled 1-6. He flips the coin once and rolls the number cube once. What is the probability that the coin lands tails up and the cube lands on a even number? A. 2/3 B. 1/4 C. 1/12 D. 1/6 How do i solve

    asked by Jack
  39. English

    Which of the following is an evaluation tool using questions and answers that lead to effective strategies? A. Thesis B. Outline C. Flowchart D. Graphic organizer my answer is c.

    asked by Diana
  40. ttu

    The triprotic acid H3A has ionization constants of Ka1 = 2.5× 10–4, Ka2 = 3.4× 10–8, and Ka3 = 5.4× 10–13. Calculate the following values for a 0.0760 M solution of NaH2A

    asked by alex
  41. Physic

    A 75-W, 120-V bulb is connected in parallel with 25-W, 120-V bulb. What is the net resistance?

    asked by Allen
  42. pre - CALCULUS

    Verify the identity. Show your work. cot θ ∙ sec θ = csc θ

    asked by Ciara
  43. math

    A handful of paper clips is 5.2 grams. A handful of push pins is 500 centigram a. Which handful weighs more? So 1c equals .o1 grams so isn't it 5.2 g compared to .05 grams which then means the paper clips are heavier? Thx for any help you can provide.

    asked by Jen
  44. Ib math

    The marks of 2376 students in an IB exam are normally distributed with mean 49 marks and variance 225 A) if the mark is 45 estimate the number of candidates who passed the exam? B) if top 7% of students are awarded a 7, find the minimum mark required to

    asked by sara
  45. physics

    A 42.5 g marble is fired vertically upward using a spring gun. The spring must be compressed 7.0 cm if the marble is to reach a target 27.0 m above the gun. What is the change in gravitational energy of the marble during its ascent?

    asked by Stephanie
  46. physics

    An airplane is flying horizontally at a velocity of 50.0 m/s at an altitude of 125 m. It drops a package to observers on the ground below. Approximately how far will the package travel in the horizontal direction from the point that it was dropped

    asked by Nana
  47. Earth Science

    Which of the following are you most likely to experience a-total solar eclipse b-total lunar eclipse c-full moon d-partial lunar eclipse? my answer is full moon

    asked by Steve
  48. pre - CALCULUS

    Verify the identity. Show your work. (1 + tan2u)(1 - sin2u) = 1

    asked by Ciara
  49. pre - CALCULUS

    The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 −

    asked by Ciara
  50. English

    Which of the following sentences uses concrete language? A. Danny's Labrador retriever eagerly chases tennis balls. B. When I saw Susan, she was reading a book. C. Jerry saw that the glass was really dirty. D. I met Cathy at a store on a street near the

    asked by Diana
  51. Geometry

    Write a two column proof: Given: ABCD is a parallelogram BQ is conguent to DS, PA is congruent to RC Prove PQRS is a parallelogram

    asked by Michael
  52. math

    2 line segments intersect to form an angle that has a measure pf 50.7 degrees. What is the measure in degrees of an angle that is supplementary to this angle. I don't understand what this question is asking me. Can someone explain it to me?

    asked by Robert
  53. History

    why did farm prices fall in the 1920s?

    asked by Help me,plz
  54. Chemistry

    Laughing gas (nitrous oxide, N2O) is sometimes used as an anesthetic in dentistry. It is produced when ammonium nitrate is decomposed according to the reaction NH4NO3(s) −! N2O(g) + 2H2O(§¤) . How much NH4NO3 is required to produce 54.5 g of N2O?

    asked by danny
  55. calc(steps and explanation also)

    A hot air balloon is 150 ft above the ground when a motorcycle passes beneath it (traveling in a striaght line on a horizontal road) going 58 ft/sec. If the balloon is rising vertically at a rate of 10 ft/sec, what is the rate of change of the distance

    asked by Linda
  56. linear

    Let W be the subspace of R5 spanned by the vectors w1, w2, w3, w4, w5, where w1 = 2 −1 1 2 0 , w2 = 1 2 0 1 −2 , w3 = 4 3 1 4 −4 , w4 = 3 1 2 −1 1 , w5 = 2 −1 2 −2 3 . Find a basis for W ⊥.

    asked by sara
  57. Math

    You have made 3 out of 10 of your last free throws. How many free throws can you expect to make if you shoot 100 free throws? A.30 B.50 C.60 D.75 Is the answer A? Thank you

    asked by Grace
  58. chem3A

    7.34 grams of a gas occupies a volume of 2.5 liters at a pressure of 1216. mm and a temperature of 73 degrees celsius. What is the molecular weight of the gas?

    asked by Ana
  59. Calculus

    During a certain epidemic, the number of people that are infected at any time increases at rate proportional to the number of people that are infected at that time. 1,000 people are infected when the epidemic is first discovered, and 1,200 are infected 7

    asked by Anonymous
  60. Math

    1. The sum of the ages of two brothers is 46. The younger brother is 10 more than a third of the older brother's age. How old is the younger brother? 2. You have 59 total coins for a total of $12.05. You only have quarters and dimes. How many of each coin

    asked by Alexandria
  61. Calculus

    A rectangular storage container with an open top is to have a volume of k cubic meters. The length of its base is twice its width. The material for the base costs $6 per square meters and the material for the sides costs $10 per square meter.

    asked by Joseph
  62. algebra

    In a school of 464 students, 89 are in band, 215 are in sports, of which 31 are involved in both activities. How many students are involved in neither activities?

    asked by Marv
  63. English

    During revision, you should scan your paper for _______ words and replace them with concrete words or phrases. A. figurative B. general C. formal D. informal my answer is b.

    asked by Diana
  64. READ

    All students. Please do not post test or quiz answers to Jiskha. It is cheating and doesn't benefit you in any way. If you need help on homework or anything else, be sure to show your work and possible answers. Thanks :)

    asked by Sarah
  65. fine art

    How are the elements of art used in the artwork titled "winged genie fertilizing a date tree?"

    asked by mona
  66. Calc AB

    Suppose that f(x) is an invertible function (that is, has an inverse function), and that the slope of the tangent line to the curve y = f(x) at the point (2, –4) is –0.2. Then: (Points : 1) A) The slope of the tangent line to the curve y = f –1(x) at

    asked by Thomas
  67. Physics

    In about 1915, Henry Sincosky of Philadelphia suspended himself from a rafter by gripping the rafter with the thumb of each hand on one side and the fingers on the other side (see the figure). Sincosky's mass was 87.6 kg. If the coefficient of static

    asked by Wack
  68. chemistry

    For the weak hypochlorous acid (HClO), which statement is true at the point halfway to the equivalence point? A. The total amount of HClO is equal to the pKa. B. The total amount of HClO is equal to ClO-. C. The total amount of H3O+ is equal to the amount

    asked by Cortney
  69. Physic

    Two resistors when connected in series to a 120-V line use one-fourth the power that is used when they are connected in parallel. If one resistor is 4.8 kohms. what is the resistance of the other?

    asked by Allen
  70. Trigonometry (identities)

    1. (-8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^2 2. cos(α-β)cosβ-sin(α-β)sinβ 3. 1+(sinx-cosx)(sinx+cosx) 4. (cosβ-cotβ)(cosβ+cotβ)

    asked by Anna
  71. Calculus

    A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

    asked by Stacey
  72. Calculus

    The number of people that hear a rumor follows logistic growth. In a school of 1500 students, 5 students start a rumor. After 2 hours, 120 students have heard about the rumor. Recall: dy/dx=ky(1-Y/L) and y=L/(1+be^(-kt)) I found the logistic growth

    asked by Anonymous
  73. calc (plz, with steps and explanations)

    A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way

    asked by Linda
  74. Calculus

    Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which

    asked by Scott
  75. math

    a model rocket is projected straight upward from the ground level. It is fired with an initial velocity of 192 ft/s. How high is the rocket after 10 seconds?

    asked by Rick
  76. English

    1. He stopped reading a book to watch TV. 2. He stopped walking to watch the accident. 3. He stopped working to take a rest. 4. He stopped watching TV to take a nap. 5. He stopped driving his car to sleep in the car for some time.

    asked by rfvv
  77. math

    what is the procedure for solving the equation 1/2x = 16. I am stuck. Please help me.

    asked by Jay
  78. 7th grade math

    Quadrilateral WXYZ os describes below. Line segment WX is parallel to line segment YZ. Line segment XY is the same length as line segment ZW. Line segment Xy is not parallel to line segment ZW. Which of the following describes quadrilateral WXYZ? A.

    asked by Grace
  79. Physics

    Water at a pressure of 3.90 atm at street level flows into an office building at a speed of 0.45 m/s through a pipe 5.60 cm in diameter. The pipes taper down to 2.10 cm in diameter by the top floor, 26.0 m above. Calculate the water pressure in such a pipe

    asked by Rutgers
  80. science

    A protostar has a high enough___to become a star. A. volume B. mass C. temperature D. brightness Is the answer B? Thanks in advance

    asked by Katy
  81. math (explanation and answer)

    A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way

    asked by Linda
  82. pre - CALCULUS

    The wind chill factor represents the equivalent air temperature at a standard wind speed that would produce the same heat loss as the given temperature and wind speed. One formula for computing the equivalent temperature is 𝑡 W(t) = {33 −

    asked by Ciara
  83. Maths

    please help - lisa had a collection of stamps from australia, france and japan. she had 124 stamps from australia. 30% of the stamps were from France. she had 12 fewer stamps from japan than australia. a) what was the total number of stamps in Lisa's

    asked by J.sarah
  84. algebra

    How do I state which property of exponents justifies each step of this simplification?: 3^2x^6z^10/2^2y^18*x^4y^4z^4/5z^3*27z^6/2^2x^2y^3 Im really stuck on this problem, I've managed to figure out the first 5 problems but this one is troubling me.

    asked by Maggie
  85. chemistry

    Phosphorus reacts with water to form hydrochloric acid and phosphoric acid. how many moles of acid are formed when starting with 4.5 g of PCl5 and excess H2o?

    asked by Michael
  86. calc (with through steps)

    A conical drinking cup is made from a circular piece of paper of radius R inches by cutting out a sector and joining the edges CA and CB. Find the radius, height and volume of the cone of greatest volume that can be made this way

    asked by Linda
  87. chemistry

    What volume of a 0.553 M calcium hydroxide solution is needed to exactly neutralize 7.34 grams of KHP

    asked by Pam
  88. government

    Approximately _____ of the country's adult population has internet access. a. one-third b. two-thirds c. one-quarter d. three-quarters I am guessing d. the others seem to low. The book states that the number of U.S. internet users hit 194 million in 2008

    asked by Carrie
  89. Algebra probability

    Helena has a set of number cards numbered 1 through 10. If Helena randomly draws two cards from the deck, what is the probability that she will draw an odd number and then a two? The answer i had was 1/18, but its not on there, so i need help and im

    asked by ama
  90. Math

    A manufacturer has determined that the weekly profit from the sale of x items is given by the function below. It is estimated that after t days in an week, x items will have been produced. Find the rate of change of profit with respect to time at the end

    asked by Stacey
  91. Algebra

    6. One angle measures 54 more than 3 times another angle. The angles are supplementary. What are their measures? 11. A piece of string is 112 inches long. Isabel wants to cut it into 2 pieces so that one piece is three times as along as the other. How long

    asked by James
  92. Chemistry

    In the reaction Ca(OH)2 + 2HCL -> CaCl2 + 2H2O: How many kilograms of H2O will be produced when 0.0948 Kg of Ca(OH)2 react with excess hydrochloric acid?

    asked by Ana
  93. Calc AB

    Suppose that y = f(x) = x^2-4x+4 Then on any interval where the inverse function y = f^–1(x) exists, the derivative of y = f^–1(x) with respect to x is: a) 1/(2x-4) b) 1/(2y-4), where x and y satisfy the equation y=x^2-4x+4 c)(1/2)x^(-1/2)

    asked by Thomas
  94. 8th grade math

    Company A charges $25.00 for up to 100 minutes, plus $0.50 for each extra minute. Company B charges $50.00 for an unlimited number for minutes. What are the equations for each company?

    asked by Chris
  95. Math

    Tanisha is painting a mural that is in the shape of a rectangle. The mural covers an area of 54 square feet. The base of the mural measures 9 feet. What do you need to find? What information do you know?

    asked by Alena
  96. Calculus

    For the function f(x) = x^2 - 4x +5, x>= 2, which is equal to d/dx (f-1 this is the inverse)(x)) ? 1/(2y-4) where x and y are related by the equation (satisfy the equation) x=y^2-4y+5 x>= 1 2y-4 where x and y are related by the equation y= = x^2 - 4x +5,

    asked by Thomas
  97. English

    The exam is around the corner. Rewrite the sentence begininga. The corner ...

    asked by Chitalu
  98. math

    A floor tile is 20 inches wide. If the perimeter of the tile is 72 inches, what is the length of the tile?

    asked by austin
  99. math

    Bobby has been driving at a constant speed for the last 30 minutes. If Bobby is traveling at a speed of 70 miles per hour, which equation best represents the relationship between time in hours(c) and distance in miles (d). A. d = 70t B. t = 70d C. d = t +

    asked by ben
  100. chemistry

    a 100 gram sample of a metal undergoes a temperature change from 20 C to 50 C Absorbing 1500J of heat

    asked by Jayden
  101. maths

    David cuts a 6 metre long pole into three different pieces. The largest piece is 40 cm longer than the middle piece. The middle piece is 70 cm longer than shortest piece. What is the size of the largest piece?

    asked by Zain
  102. government

    There are up to _______ judges on an appeals court, only ______ usually hear each case. a. 12;5 b. 12;3 c. 15;5 d. 15;3 I chose d. The book states that, that the United states is divided into 13 courts of appeals. There are 12 geographic circuits, and 1

    asked by Carrie
  103. Chemistry (Acid/Base)

    Consider a solution made by mixing 100 mL of 2.0 M acetic acid (Ka= 1.8e-5) with 100 mL of 0.00020 M benzoic acid (Ka= 6.4e-5). How many moles of solid NaOH must be added to the solution so that half of the benzoic acid is protonated (i.e. such that [HA] =

    asked by Emily
  104. Math

    Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and y-intercept of Jeremy's function and

    asked by Hailey
  105. Calc AB

    Remember that f(x) must be one-to-one (only one y-value for each x-value) over the domain where f –1(x)is defined as a function. So, in some cases you must restrict the domain of f(x) so that it's one-to-one. There might be more than one section of

    asked by Thomas
  106. Math

    Suppose f(x) = 4x^5-(1/x^4) Find the slope of the tangent line to the graph of y = f^–1(x) at (3, 1). You get: 1/24 1/16 00062 1620 972

    asked by Thomas
  107. Calc AB

    Let f(x) = (x+3)^3 + 2. The graph of the inverse function y = f^–1(x) has a vertical tangent at: (Hint: Think about the symmetry of the 2 graphs.) (66, 1) (2, –3) (10, –1) (–3, 2) (–1, 10)

    asked by Thomas
  108. Pschology 202

    True or false? According to socioemotional selectivity theory, emotional regulation becomes the primary social need in middle adulthood. (Points : 1) True False

    asked by Anonymous
  109. linear algebra urgent

    Use the Gram-Schmidt process to transform the basis 1 1 1 , 0 1 1 , 2 4 3 for the Euclidean space R3 into an orthonormal basis for R3.

    asked by sara
  110. math

    An architect is designing an office building with n floors that will have an FM radio antenna 15.85m tall on its roof. Each floor of the building will be 3.9m high. Which equation can be used to find the total height, h, of the building in meters,

    asked by Harry
  111. Maths (URGENT!!!)

    2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6)

    asked by Ben
  112. CALCULUS

    Consider the function f(x)=9x3−4x5. Let F(x) be the antiderivative of f(x) with F(1)=0. Then F(4) =

    asked by Anonymous
  113. Mechnical principles

    Mtal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density. I know relative density is density of material/density of water (1000kg/m-3)

    asked by Danny
  114. Mathw(URGENT pls)

    Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6)

    asked by Ben
  115. Calculus

    Batman was driving the Batmobile at 90 mph (=132 ft/sec), when he sees a brick wall directly ahead. When the Batmobile is 400 feet from the wall, he slams on the brakes, decelerating at a constant rate of 22ft/sec2. Does he stop before he hits the brick

    asked by Meme
  116. Chemistry

    Calculate the mass of water formed by the complete reaction of 572 g of propane (C3H8) with excess oxygen. (Write a balanced equation.) Answer in units of g.

    asked by danny
  117. Math

    What if the mural were in the shape of a square with an area of 81 square feet. What would the height of the mural be? Explain

    asked by Alena
  118. Social Studies

    The revolutionary war was fought on american soil. how do you think this fact influenced the role of women in war?

    asked by Sara
  119. Physics

    A block of mass 0.65 kg and density 650 kg/m³ is forced under the surface of the water by means of a spring (k = 60.0 N/m) that is fixed to the bottom of the container as shown in the figure. How much is the spring stretched? (the density of water is 1000

    asked by Rutgers
  120. Chemistry

    The volume of the nitrogen gas is 125ml atmospheric pressure is 763mm Hg Water temperature is 24 degrees Celcius. The water level inside the eudiometer is the same as the level of water in the beaker. Calculate the pressure of the dry nitrogen gas.

    asked by Maddy
  121. chemistry

    how many grams of CaCI would be required to produce a 85M (molar) solution with a volume of 2.0L

    asked by Anonymous
  122. Calculus AB

    For the function f(x) = sqrt(9-x), which is equal to d/dx(f-1( -1 is the inverse)(x)) a) -2x b) sqrt(x) + 9 c) x^2 + 9 d) 2x e) 9-x^2

    asked by Thomas
  123. critical thinking

    How are the problems in crime, housing and health interrelated?

    asked by dora
  124. math

    The manager at Sunshine Days Camp is going to buy juice for the campers. Each bottle contains 64 ounces of juice. Each camper is expected to drink more than 11 ounces of juice. There are 72 campers. Explain how the manager would write an inequality to

    asked by Jay
  125. Math

    An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen two-scoop ice cream cones if any two of them in one order must differ at least by a flavor or by the

    asked by Excel
  126. Math

    Dominic used the equation below to find d, the amount in dollars he would spend on gasoline to drive a distance of m, miles. d= m/25(3.5) Based on this equation how much would Dominic need to spend on gasoline to drive a distance of 1800 miles? A. $25.50

    asked by Reid
  127. Math

    When you are multiplying a 7 x 3 matrix by a 3 x 2 matrix, what would the resulting matrix be of which order? Write your answer is a x b form.

    asked by Tonya
  128. Math

    Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 -2 -3 1 3 5 0]

    asked by Michael
  129. PHYSICS

    In a power plant the high pressure turbine trips due to an unauthorised valve shutdown. What are a) what is the angular acceleration of the turbine blade? b) what is the distance travelled by a point on the rim of the turbine blade during the acceleration?

    asked by Joe
  130. Trigonometry (identities) (last help needed)

    1. (2cosx-2secx)(3cosx^2+3secx^2+β) 2. (16tanxsecx-4secx)/(8tanxsecx+4secx) 3.sinxcosx^3+cosx^4 (hint: GCF) 4. (cosβ+sinβ)^2

    asked by Anna
  131. physics

    '2 balls of mass ratios 1:2 are dropped from the same height. State the ratio between their velocities when they strike the ground, the ratio of forces acting on them during motion.'

    asked by bhargav
  132. Math

    the length of a rectangular garden is 5 less than twice the width find the length of the garden if the area is 88 square feet

    asked by M
  133. math

    There are 5 numbers in a set of data. There are no repeated numbers. Which measure of data must represent a number in the set that is greater than 2 of the numbers in the set and less than 2 of the numbers? A. Median B. Mean C. Mode D. Range Can someone

    asked by Grant
  134. Integral

    Calculate the integral of (1/(u^(5/4)))+5.5√u du

    asked by Danielle
  135. math

    Elisa surveyed people in her neighborhood about whether they would like to have a swimming pool in their community park. Of those who responded, 65% were in favor of having a swimming pool. Based on these results, which statement could be true? A. Elisa

    asked by Brooke
  136. science

    An illness caused by a protist is? protozoa is my answer i think is it right?

    asked by vector
  137. Calc

    Find the area of the region bounded by the curves y2 = x, y – 4 = x, y = –2, and y = 1. So far I have found that the area of the trapezoid which is 13.5. But for the other two areas I cannot find them. They could be: 27/2 22/3 33/2 34/3 14 I believe

    asked by Thomas
  138. science

    Flight simulators are used to train new pilots because ____.

    asked by mack
  139. English

    What kinds of food can you make? 1. I can make pasta. 2. I can make ramen. 3. I can make noodles. 4. I can make fruit soup/juice. 5. I can make cooked rice. 6. I can make cookies. 7. I can make bread. 8. I can make Japanese food, sushi. 9. I can make

    asked by rfvv
  140. Chemistry

    Can you help me calculate the maximum weight-percent of H present in liquid iron containing 0.16 wt% Oxygen and equilibrated with H2O(g) at a pressure of 0.164 atm at 1600°C. Given ÄG° = -207653 + 0.292T J and assume that O and H both obey Henry’s

    asked by Brian James
  141. French

    I would appreciate it if you could take the time to double check my answers. Merci beaucoup! 26. Il faut que tu mettes la nappe. Je l’ai ___(1)___ sur le ___(2)___. Je veux aussi ___(3)___ tu ___(4)___ les ___(5)___ à rayures. Nous allons ___(6)___ dans

    asked by Anonymous
  142. Physics

    A spring of length 10.0 cm and spring constant 160 kN/m is compressed to a length of 4.00 cm. If, when released, it pushes a block of mass 100 kg, a) what is the speed of the block after it slides up a 15.0 cm hill? b) What is its speed after it falls into

    asked by Alex
  143. Physics

    Two forces 10 N acting in the direction N 30 east and 15 N acting in the eastern direction, if both forces act at a point, find the magnitude and direction of (a) the resultant force (b) the equilibriant force.

    asked by Godson
  144. Algebra

    find the value of p so that p+5, 4p+3, and 8p-2 will from successive terms of an arithmetic sequence, then find the three successive terms.

    asked by cay
  145. english

    1. Evenings, we sit at home and watch TV. 2. Every evening, we sit at home and watch TV. 3. In the evenings, we sit at home and watch TV. 4. In the evening, we sit at home and watch TV. ================================ Thank you for your help......In the

    asked by rfvv
  146. Math Check

    Hi! I need help with this one problem. My teacher told me that I could use any method to solve the following system and this is the answer I got; (1/2,2/5). Is this correct? 0.15r + 0.85s = 0.23 0.20r + 1.25s = 0.33 Write answer in (r, s).

    asked by Lilly
  147. math

    An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen two-scoop ice cream cones if any two of them in one order must differ at least by a flavor or by the

    asked by Excel
  148. science

    An illness caused by a protist is protozoa? True or False My answer is true am i correct?

    asked by Visa
  149. thermodynamic

    an engine operates on the carnot cycle between the temperature limits of 250c and 50c. the pressure and the volume at the start of the isothermal expansion are 6 bar and 0.1 m^3 respectively. pressure after isothermal expansion is 3 bar. assume

    asked by abody alabady
  150. Math

    Solve for the zeros of the function using the quadratic formula. 3x^2=-4x+6 I know what the quadratic formula is but when I put it into the formula I keep getting an error on the graphing calculator.

    asked by M
  151. science

    Is a laptop biotic or abiotic?

    asked by thi
  152. MATHS

    Need Help - lisa had a collection of stamps from australia, france and japan. she had 124 stamps from australia. 30% of the stamps were from France. she had 12 fewer stamps from japan than australia. a) what was the total number of stamps in Lisa's

    asked by JJJ-SARAH
  153. Chem

    Volume of nitrogen gas is 125ml atmospheric pressure is 763mm Hg the water temperature inside the eudiometer is the same as the level of the water in the beaker. Calculate the volume if the nitrogen at STP. P1V1/T1=P2V2/T2

    asked by Steve
  154. math

    what are some inequalities that share some solutions with x is greater than or equal to 3? I am not sure what they are.

    asked by Jay
  155. Physics

    You're driving along at 101 km/hr on a rainy day. Suddenly a deer jumps out 30 m ahead of you. You slam on the brakes of your 1972 Mustang (no ABS) with Goodyear tires (coefficient of kinetic friction= 0.525, coefficient of static friction=0.750). Will you

    asked by Ashleigh
  156. Physics

    A 4-person bobsled team pushes the 330 kg sled down the 6.0 degree hill with a force of 1780 N. The coefficient of friction for ice and the runner is 0.135. How fast will the sled be moving at the end of the 40m push? Answer is in meters/second

    asked by Ashleigh
  157. math

    How to write three linear system that are equivalent to the linear system shown? 5x-4y= -3 2x + 7y= 5

    asked by Lyn
  158. English

    1. I'll remember to see the movie with my friend. 2. I'll remember that I have to see the movie with my friend. 3. I'll remember that I will see the movie with my friend. 4. I'll remember that I can see the movie with my friend. 5. I'll remember that I

    asked by rfvv
  159. mto

    methanol relative volatility at 32.5 degree centigrade

    asked by sanfhya
  160. Chemistry

    If 30 ml of 02 M HCL with 45 ml what is the molarity of NaOH

    asked by Melissa
  161. English

    What are some synonyms for "appears rarely" and "often referred" ? I'm writing an essay and my teacher doesn't want us to use the same phrases over and over again: repetitive as we write our paragraphs and I'm not really good at thinking of synonyms so

    asked by Amy
  162. English

    1. I'll bring it to you tonight. 2. I'll take it to you tonight. ================ Which one is grammatical? Are both OK?

    asked by rfvv
  163. English

    1. Bring me the chair. 2. Bring the chair to me. 3. Take me my house. 4. Take me to my house. ================== Does #1 mean #2? What about the verb 'take'? Is #3 incorrect? The structure of the verb 'bring' seems to be different from the verb 'take.'

    asked by rfvv
  164. Trigonometry

    2sin^2(x )+38 cos(x) + 2.6=0

    asked by Anonymous
  165. math

    2 3/7 + 3/8

    asked by trinity
  166. Chemistry

    H2 +Br2 =2HBr so suggest twoo reasons why all the collisions between hydrogen and bromine gas molecules do bot result in reaction?

    asked by Thamathama
  167. Math

    The capacity of a 1 cm cube is 1 mL. How many 1 cm ice cubes would you need to melt to fill a 1.5 L jar?

    asked by Anonymous
  168. Social studies

    I am doing an essay on Empathy and the enemies of empathy. While I have mentioned, ethnocentrism and racism along with sexism as enemies and given examples. I would like to include classism but need a current example for classism. Thanks

    asked by Noreen
  169. math, probability

    There are six ways to write 5 as an ordered sum of three positive integers: 3+1+1, 1+3+1, 1+1+3, 2+2+1, 2+1+2, 1+2+2. A) What is the number of ways to write "n" as an ordered sum of "r" integers? B) What is the number of ways to write "n" as an ordered sum

    asked by Amy
  170. Math

    A function is described by the equation f(x)=x^2-3. The replacement set for the independent variable is (2,4,7,9) What is the corresponding set for the dependent variable

    asked by M
  171. English

    Hello. I will be very grateful for your help. Do you think the words "actual" and "de facto" have the same meaning in the context: "the actual/ the de facto rejection of the 2012 agreements"? (The country decided not to abide by the agreements but did not

    asked by Nalmi
  172. Chemistry

    027 (part 1 of 3) 10.0 points Copper reacts with silver nitrate through single replacement. If 3.03 g of silver are produced from the reaction, how much copper(II) nitrate is also produced? Answer in units of mol. 028 (part 2 of 3) 10.0 points How much Cu

    asked by danny
  173. English

    Thank you, dear Reed, for the answer. Will you please help me with one more question. Which word is the best in the context (maybe, all of them are OK): "the aim is to define/determine/identify and assess the actions of the Bush administration..."? Thank

    asked by Nalmi
  174. science

    What are some biotic items we do at home.. I only have the abiotic side.

    asked by thi
  175. maths

    A G.P had its third term as 9 times its first term and its second term is one-twenty-fourth of its fifth term. what is its fourth term?

    asked by bengazi
  176. math

    my question is i don't know what x and y are and x has 10 and 30 and y has 19 and 25 i don't know the anwser.

    asked by bailey
  177. Calc

    Evaluate the indefinite integral (3/x^6)-4√(x^2)

    asked by Anonymous
  178. sdsu

    BurrAnd Company estimates that annual manufacturing overhead costs will be $600,000. Estimated annual operating activity bases are: direct labor cost $500,000, direct labor hours 50,000, and machine hours 100,000. Compute the predetermined overhead rate

    asked by nanda
  179. chemistry

    how many grams of CaCI would be required to produce a 8.5M (molar) solution with a volume of 2.0L

    asked by Anonymous
  180. Finance

    A caller informs you that it will take a $70,000 down payment and the investelemt will return $10,000 a year for the next 10 years. He tells you that you that the investment will return 14 percent. If current interest rates are 8 percent, what is the

    asked by Roger
  181. science

    What does composition mean when you're talking about biotic and abiotic

    asked by thi
  182. Calculus

    Find the particular solution (solved for y) for the differential equation dy/dx=2x/e^(2y) satisfying y(0)=1.

    asked by Anonymous
  183. English

    Which of the following correctly uses a transitional word or phrase? A. First impressions are so important in both personal and professional life. Addison shaved off his beard. B. Kara has been happily trying lots of new activities lately. For example, she

    asked by Diana
  184. math

    The manager at Sunshine Days Camp is going to buy juice for the campers. Each bottle contains 64 ounces of juice. Each camper is expected to drink more than 11 ounces of juice. There are 72 campers. (a)Explain how the manager would write an inequality to

    asked by Jay
  185. Science

    Why do people debate on fossil fuels? Is it based on how its used? Thanks

    asked by Sarah
  186. public speaking

    Communicating effectively helps us to succeed in areas of?

    asked by Doug
  187. math

    A city park employee collected 600 cents in nickels, dimes and quarters at the bottom of a wishing well. There were 10 nickels and a combined total of 25 dimes and quarters. How many dimes and quarters were at the bottom of the well? I know the answer but

    asked by david
  188. math

    A and B are numbers. The result of AB is an even number. The result of A+B is uneven number. A = ?, B = ? so confuse..

    asked by Iman
  189. Psychology

    Examples of Social exchange theory and equity theory using celebrity couples

    asked by RENEE
  190. math

    A man have 5 trucks. The capacity of trucks A and B are 2,5 ton, trucks C and D are 3 ton and the capacity of truck E is 1 ton more then the average capacities. Identify the capacity of truck E.

    asked by Iman
  191. chemistry

    500 mL Of hydrogen at 27 degrees celcius and 3 atms pressure is compressed to 100 mL at 100 degrees celsius. What is the new pressure in atms?

    asked by Ana
  192. Algebra

    Write the following in simplified form the 4th root of the 3rd root of a^12 b^36 c^14

    asked by Merty
  193. Algebra

    Rationalize the denominator The square root of: (12x^5y^2z^3)/9x^3y^3z

    asked by Merty
  194. math

    What is the value of y in the system shown? y=12x-3 y=-2x+4 Thanks

    asked by Lyn
  195. Math

    An ice cream store sells 30 different flavours of ice cream and it offers a choice of 3 different kinds of cones. In how many ways can we order a dozen two-scoop ice cream cones if any two of them in one order must differ at least by a flavor or by the

    asked by Excel
  196. Pschology 202

    True or False? Based on your learning from this week’s Mindsets YouTube video (2011), an example of fixed mindset about intelligence would be if a teacher sat her students in a classroom according to IQ. (Points : 1)

    asked by Anonymous
  197. math

    What is the value of x in the system shown? y=1/5x+2 y=x-4

    asked by Lyn
  198. the giver

    has anybody read the giver

    asked by Oscar
  199. math

    There are 32 visitors to the guidance counselor's office each day. Write an inequality that represents the number of visitors to the guidance counselor's office. I am so confused

    asked by Jay
  200. Pschology 202

    Who suggested people become more socially selective as they progress through middle adulthood and beyond. (Points : 1) Erik Erikson Laura Cartensen Sigmund Freud Mary Ainsworth

    asked by Anonymous
  201. math

    The value of n is less than 20. Write the inequality that represents the value of n. I think I can graph it on the number line if I new what n was.

    asked by Jay
  202. Math (Help please)

    Hi! I'm a little confused on what I'm suppose to do for this problem. Can someone help? Thanks! Directions: Which element would be in Row 3, Column 1? [1 5 6 -2 7 11 4 0 -1 2 9 7]

    asked by Heather
  203. English

    What is another word for "other characters" like in a book? I tried using the thesaurus but still can't find a good word.

    asked by Amy
  204. math

    Consider the inequality x > , where x is a positive real number. Does the inequality have an infinite number of solutions? How do you know? Pease help me.

    asked by Jay