Steve

Questions and answers by visitors named Steve

Questions

  1. What equation has a graph parallel to the graph of 9x + 3y = -22?

    1- y = 3x -22 2- y = -3x + 8 3- y = 1/3 x + 12 4- y = - 1/3 x - 2

  2. Which point on the axis satisfies the inequality y<x?

  3. suppose y varies directly with x and y = 14 when x = -4 what is the value of y when x = -6

  4. Which method would be the simplest way to solve the system?

    7x +5y = 19 -7x-2y = -16 graphing substitution elimination or distributive

  5. R, S, and T are the vertices of one triangle. E, F, and D are the vertices of another triangle. m<R = 60°, m<S = 80°, m<F = 60°, m<D = 40°,?

    RS = 4, and EF = 4. Are the two angles congruent? If yes, explain how and identify which segment is congruent to

  6. two people pish a box from the oppisite directions, but the box does not move. Which statement best explains this result?

    (A) the box pushes back on the people. (B) balanced forces do not cause motion (C) Push forces do not cause motion (D) the forces have

  7. Expand the logarithmic expression.

    log8 a/2 My answer is log8a-log8 2

  8. 1. On a recent day, one U.S. dollar was worth 1.09 euros. If you were to exchange 157 euros on that day, how many U.S. dollars would you have received?

    A. $110.09 B. $144.04 C. $155.91 D. $171.13

  9. is y=1/4x^0.5 a power function. Explain why or why not.

  10. Suppose y varies directly with x and y = 24 when x =8. What is the value of y when x = 10?

  11. Determine whether the function represents exponential growth or decay. Then find the y-intercept.

    y=4(5/6)^x

  12. Which of the following moments in "The Most dangerous Game" represents an example of foreshadowing?

    a-Whitney & Rainsford';s discussion about hunting b- Rainsford's observing the gate of the chateau c- Whitney's comment about the light of Rio?

  13. the point 12,9 is included in a direct variation. what is the constant of variation

  14. 1. The length of a piece of paper is 8.5 inches. Using scissors, you reduce the length of the paper to 4.25 inches. What is the scale factor of the dilation?

    A. 1/4 B. 1/2 C. 2 D. 4 2. On a given blueprint, 1 inch = 30 feet. If the dimensions of a meeting

  15. use the vertical line test to determine if the relation(-6,-2), (-2,6),(0,3),(3,5) is a function

  16. Read this excerpt from Alexander Pope's The of Lock

    "No common weapons in their hands are found/ Like gods they fight l, nor dead a mortal wound.../ See, fierce Belinda on the Baron flies/ With more than usual lightning in her eyes..." This account of the

  17. Square ABCD has side length 60. An ellipse E is circumscribed about the square and there is a point P on the ellipse such that PC = PD =50. What is the area of E?

    I got to the part with the point (30, 30). Now what next?

  18. What charge in coulombs is required to deposit 0.301g Cu(s) from a solution of Cu^2+?

    Cu^2+ 2e^- = Cu 0.301g/63.5g/mol = 4.7 x 10^-3 mol Cu (4.7 x 10^-3 mol Cu) (2 mol e^-/mol Cu) I should be able to mutiply that by 96,500 (Faraday number) to get 914C, but

  19. What is the value of n so that the expression x^2+11x+n is a perfect square trinomial?

  20. The vertices of a triangle are P(-4,1), Q(-2,-8), R(8,-1). What are the vertices of the image reflected across the y-axis?

    my answer is P'(4,1),Q'(2,-8),R'(-8,-1)

  21. In the Call of the Wild, Buck did not fight back when Hal was beating, him because?

    My answer is that he did not have the strengh

  22. Write the decimal .041 as a percent.

  23. Which point is located on the line represented by the equation y + 4 = -5(x-3)?

  24. Which of these excerpts from Ben Jonson's "Song: To Celia" compares love to intoxication?

    A. "But thou thereon didst only breathe/And sent'st it back to me." B. "... As giving it a hope, that there/It could not withered be." C. "The thirst that from a soul

  25. Wind farms are a source of renewable energy found around the world. The power P (in kilowatts) generated by a wind turbine varies directly as the cube of the wind speed v (in meters per second).

    If a turbine generates 500kW in a 10m/s wind, how much power

  26. Sam is installing ceramic tiles in his bathroom. The area of each tile is 97 square inches.To the nearest inch what is the length of one side of the tile.

  27. Find the volume of the solid whose base is the circle x^2+y^2=64 and the cross sections perpendicular to the x-axis are triangles whose height and base are equal.

    Find the area of the vertical cross section A at the level x=7.

  28. Write an equation of an ellipse in standard form with center at the origin and with the given vertex and co-vertex

    vertex at (-3,0) and co-vertex at (0.2)

  29. A model rocket is launched from a roof into a large field. The path the rocket can be modeled by the equation y=-0.04x^2+8.3x+4.3 where x is the horizontal distance in meters, from the starting point on the roof and y is the height in meters, of the rocket

  30. Simplify

    6/sq root 3 +2 My answer is 12 - 6 sq root 3

  31. Which letter has rotational symmetry?

    I J K L IMy answer is I

  32. Use the graph of y=sin2theta to find the value of sin 2 theta for theta=pi/4.

    a--1 b-0 c-0.5 d-1 my answer is -1

  33. what volume of 0.120 M NaOH must be added to 100 ml of 0.100 M NaHC2O4 to reach ph of 4.70?

    H2C2O4 Ka1 = 5.9 x 10-2 HC2O4^- Ka2 = 5.1 x 10-5 The answer is 60 ml but I don't know how to find it. Can you please show me the steps and how to do it please

  34. Read the following line from Act IV, Scene 5 of Romeo and Juliet, when Capulet speaks of his daughters apparent death: Death lies on her like an untimely frost Upon the sweetest flower of all the field. How does Shakespeare use a simile to emphasize the

  35. Calculate solubility of AgCl (in g/L) in a 6.5*10^-3 M silver Nitrate solution ksp= 1.8 * 10^-10

    (AgCl molecular mass is 143.3g) any idea on how to do this this is what i tried> AgCl--> Ag + Cl I 6.5*10^-3 0 C same x E same x ksp = [Ag][Cl] (1.8 * 10^-10) =

  36. 1. What is 0.68 written as a simplified fraction?

  37. What is the vertex form of the equation? Show steps

    y=-x^2+12x-4

  38. The following reaction occurs spontaneously. 2H+(aq)+ca(s) Ca2+(aq)+H2(g)

    write the balanced reduction half-reaction

  39. "Know now then thyself, presume not God to scan;/The proper study of mankind is man." Which of these is nearest in meaning to the word presume, as it is used in the passage above? -

    hasten - invent - cease - attempt My answer is hasten but I thought about

  40. With which of these statements does the crone in "The Wife of Bath’s Tale" save the life of the knight?

    • “A woman wants… sovereignty/Over her husband as over her lover…” • "It's little wonder if I twist and wallow!/God that my heart would

  41. which of the following are examples of civil liberties? select all that apply.

    A) shooting a person in anger B) protesting on a busy street C) speeding in traffic D) not incriminating yourself in court E) serving in the army My answers are B & D

  42. In the story

    "A Contribution to Statistics" 1.) Which of the following words best describes the author's view of humanity? a.) altruistic b.) optimistic c.) pessimistic d.) realistic my answer is a

  43. Read these lines, from The Nymph's Reply to the Shepherd.

    "But could youth last and love still breed,/Had joys no date, nor age no need,/Then these delights my mind might move/To live with thee and be thy love." According to her words here, under what

  44. 1. A prion is an infectious, self-reproducing protein structure.

    True X False 2. As one organism eats another, toxins can be spread throughout the food chain. True False x 3. The problem with DDT in the environment is that it decomposes quickly. True False

  45. Suppose soda is on sale for .50 a can and you have a coupon for .80 off the total price. Write a function rule for the cost of n cans of soda.

    My answer is c(n() = .80n -.50

  46. In the graph of the inequality X - 2y is less then or equal,to 4, which is a value for x on the inequality line and the x axis?

  47. ".. so this bell calls all; but how much more me, who am brought so near the door by this sickness."

    Which of these is the best interpretation of this phrase from John Donne's Meditation 17? A. The tolling bell is a metaphor for Heaven. B. The tolling bell

  48. A pentagon can be divided into 5 congruent triangles. The function y=5 tan theta models the height of each triangle. What is the area of the pentagon if theta = 54 degrees?

  49. A carpenter cut the top section of a window frame with a 37-degree angle on each end. the side pieces each have a 50 degree single cut at their top sides. Will the side pieces of the frame be ?

  50. A surfer drives his dune buggy out into the sand dunes.He follows his compass 10 miles due north and then turns due west. If he ends up approximately 35 miles from where he started how far west did he travel?

    a- 10 miles b- 25 miles c- 33.5 miles d- 35

  51. Pulling up on a rope, you lift a 4.35-kg bucket of water from a well with an acceleration of 1.78m/s^2. What is the tension in the rope?

  52. Find the values of the inverse function in radians.

    tan^-1(0.09) answer choices: a.-0.09+2pi n b. no such angle exists c.-1.48+ pi n d. -0.09+ pi n My answer is D

  53. A wave is modeled with the function y = 1/2 sin 3Θ, where Θ is in radius. Describe the graph of this function, including its period, amplitude, and points of intersection with the x-axis.

    My answers are Amplitude = 1/2 Period = 2pi/3 Intersection= (0,0),

  54. Name the property of real numbers for

    -2(x+4)=-2x-8 associative property of multiplication communitive property of addition distributive property associate property of addition my answer is distributive property

  55. What is the excluded value of the rational expression?

    2x+6 / 4x-8

  56. What is the value of c so that y=x^2+15x+c is a perfect square trinomial?

  57. A spinner is divided into10 equal sections. What is the probability of spinning it and landing on a number that is divisible by 5?

    they are 5,14,4,9,15,13,2,7,21,11 a-2/5 b-1/10 c-1/5 d-10/2 my answer is c

  58. Absurdism is the attempt to show the ________ of the human condition.

    silliness seriousness uniqueness hopelessness my answer is the last one

  59. 1. Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village’s actual width? If necessary, round to the nearest tenth of a mile.

    A. 4.9 miles B.

  60. Which correctly describes the roots of the following cubic equation?

    x^3-5x^2+3x+9=0

  61. Read the following sentences from "The Youngest Doll."The aunt thought he was listening for the breathing of the prawn to see if it was still alive, and shefondly lifted his hand and placed it on the spot where he could feel the constant movement of

  62. An ox exerts a force of 7100N to the horizontal direction without slipping. If the ox has a weight of 8000N, what is the minimum coefficient of static friction?

  63. Let $3x^2 + 4x + c = 0.$ What value of $c$ will give us exactly one solution for $x$?

  64. In triangle FGH, g = 8ft, h=13ft, and m=F= 72degrees. Find m<G round to nearest tenth

    a- 26.2 b- 33.9 c- 72.1 d- 32.5 my answer is b

  65. sqrt 15y * 3 sqrt 81y

    Simplify the radical expression My answer is 27 sqrt 15y^2

  66. What is the Ksp of PbCl2 if, in a saturated solution of this salt, [Cl-(aq)] = 0.032 mol/L ?

  67. "Our two souls, therefore, which are one/ though I must go, endure not yet/A breach, but an expansion, Like gold to airy thinness beat."

    Donne is using irony to trivialize the love between him and his wife. Donne is using conceit to describe the love

  68. -3x^2+12y^=84

    What are the domain and range My answer domain: all real numbers range: y (less than -) -sqrt7 or sqrt7

  69. suppose c and d vary inversely and d=2 when c=17

    write an equation that models that variation find d when c=68

  70. The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. The ship uses 30 barrels of oil in traveling 85 miles at 42 mi/h. How many barrels of oil are used when the ship travels 26 miles at

  71. 1. Serena has 7/8 yd of fabric. To complete her craft project, she needs 3 times that amount. How many yards of fabric does Serena need?

    A. 2 5/8 B. 2 7/8 C. 3 3/7 D. 3 7/8 2. A length of ribbon is 3 1/2 yd long. How many pieaces 1 5/9 yd long can Joy cut

  72. A carpenter cut the top section of a window frame with a 37-degree angle on each end. the side pieces each have a 50 degree single cut at their top sides. Will the side pieces of the frame be parallel?

  73. How many solutions are there form 5x^2+7x-4=0?

    my answer is 3

  74. A sequence of numbers U1,U2,U3,... satisfies the relation:(3n-2)Un+1=(3n+1)Un for all in nEZ.If U1=1,find

    (i)U3 and U4

  75. English help?

    Read these lines from Robert Browning’s “My Last Duchess.” “A heart – how shall I say? – too soon made glad,/Too easily impressed; she liked whate’er/She looked on, and her looks went everywhere.” How is the poem’s speaker

  76. 1. __________ is an environmental group that works to create awareness of pollution.

    A. The IRA B. Greenpeace C. Congress D. The FDA My answer is D

  77. the literary device of foreshadowing is used in which of the following excerpts?

    They're spoiled and we're spoiled Those screams -- they sound familiar I have a feeling it'll be Africa again before then They're not old enough to do that alone, I explained

  78. Which of the following is a way that imagery can be used?

    to present facts during debates to inspire audiences during speeches to entertain readers with a play on words to impress readers with facts and evidence My answer is the third one

  79. 1. Ms. Johnson’s class is having a pizza party. If there are 14 students and 7 pizzas cut into 8 slices, what answer choice represents the fraction of one pizza that each student receives?

    If someone can give me an equation to solve to get the answer for

  80. In Edgar Allan Poe’s poem “The Bells,” how does the tone change from the beginning to the end?

    from melancholic to scary from cheerful to sinister from peaceful to frenetic from hopeful to embittered

  81. poor soul they face is much abused with tears is what kind of figurative language

    my answer is metaphor

  82. How many real number solutions are there to the equation 0=-3x^2+x-4?

  83. What is the simplified form of the expression?

    7(63/(5 sq-2 sq)-1)

  84. True or False?

    If the inverse function of f exists, and the graph of f has a y-intercept, the y-intercept of f is an x-intercept of f^-1

  85. James owes $6,927 on a credit card with a 19.5% interest rate. What is the monthly payment he should make to pay off this debt in 12 months, assuming he does not charge any more purchases with the card?

    a-$1531.34 b- $577.25 c-$124.82 d- $640.02 My answer

  86. Susannah purchased ski equipment for $978 using a six-month deferred payment plan. The interest rate after the introductory period is 21.45%. A down payment of $150 is required as well as a minimum monthly payment of $75. What is the balance at the

  87. How far apart are the foci of an ellipse with a major axis of 34 feet and a minor axis of 16 feet?

    a-15 b-12 c-9 d-30 my answer is 9

  88. when doing research writing it is important to avoid being?

    timely, detailed, objectives, subjective My answer is detailed

  89. This is a repost from a few weeks ago from someone esle but need help.

    The ramp shown below is used to move crates of oranges to loading docks at different heights. When the horizontal distance AB is 15ft, the height of the loading dock, BC, is 3ft. What is

  90. a regular pentagon has an apothem of 3.2 and an area of 37.2 cm. What is the length of one side of the pentagon?

  91. Leaders in the industrialized world see booming populations in the least industrialized nations as a threat to?

    a= the continued expansion of their own nations b= technologymadvancement c= the global balance of power d= the existing food supply

  92. p>p'(-2,-6) for the glide reflection where the translation is (x,y)>(x,y-1) and the line of reflection is x=1. What are the coordinates ofP?

  93. What are the solutions to the system?

    y=x^2+5x-9 y+2x+1

  94. A right triangle's legs are 7 inches and 24 inches. What is the measure of the angle opposite the 24 in leg?

  95. Write y= -2/3x +7 in standard form using integers.

  96. Describe how the graphs of y =IXI nand ym = IXI -15 are related.

    1- the graphs have the same shape,. The y intercept of the 2nd graph is -15 2-the graphs have the same y intercept. The 2nd graph is steeper than y= absolute x 3- the 2 graphs are the same 4-

  97. The ordered pairs 1,4 - 2,16 - 3,64 - 4,256 - 5, 1024 represents a function. What rule represents this function.

    1- 4 x power 2- 4x 3- xto the 4th power 4- x+4 my answer is 4x

  98. Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts a force of 75.0 N, the second a force of 95.0 N, friction is 12.0 N, and the mass of the third child plus wagon is 21.0 kg.

    (c)

  99. Dr Bob

    Can you please assist Redox balancing in BASIC sol. NO2- +Al-->NH3 +Al(OH)4- if you could please walk through step by step. I don't know how to get oxidation #s for Al(OH)4- vs. Al I get Al=0 Al(OH)4-= +3 But if so...then my oxidation half reaction

  100. A 5.7- kg concrete block rests on a level table. A 4.0- kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the

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