Questions Asked on
May 23, 2014

  1. Math

    In this activity, you will design and conduct a survey. Choose a topic for your survey. 1. Collect your data. 2. Summarize the results with a graph and a description. When they say "Summarize the results with a graph," do they mean that I display the

    asked by Anonymous
  2. algebra

    An industrial chemist will mix two acid solutions. One is 37% solution and the other is a 27% solution. How many liters of each should be mixed to get 50 liters of a 36% acid solution?

    asked by domo
  3. Algebra II

    The grades on the last math exam had a mean of 88%. Assume the population of grades on math exams is known to be normally distributed with a standard deviation of 6. What percent of students earn a score between 72% and 90%? (5 points) 0.6255 0.5843 0.6754

    asked by Pewdiepie
  4. Statistics

    Suppose the mean income of 35-year-olds in the US is $25,000. A random sample of 150 35-year-olds in California results in a sample mean income of $26,600 and a sample standard deviation of $3800. At the 5% significance level, ca we conclude that the true

    asked by jason
  5. Chemistry

    The mechanism for the reaction described by No2+CO--->CO2+NO is suggested to be (1)2NO2--->NO3+NO (2)NO3+CO--->NO2+CO2 Assuming that [NO3] is governed by steady-state conditions, derive the rate law for the production of CO2(g) and enter it in the space

    asked by BOB
  6. Statistics

    A survey of 1,000 adult Americans included the following question: "If the military draft were reinstated, would you favor or oppose drafting women as well as men?" Forty-three percent responded that they would favor drafting women if the draft were

    asked by brittney
  7. Math

    An airplane flying into a headwind travels the 2800 mile flying distance between two cities in 4 hours and 40 minutes. On the return flight, the same distance is traveled in 4 hours. Find the air speed of the plane and the speed of the wind assuming that

    asked by Caleigh
  8. Statistics

    A hotel chain is interested in evaluating processes. Guests can reserve a room by using either a telephone system or an online system that is accessed through the hotel's web site. Independent random samples of 80 guests who reserved a room by phone and 60

    asked by Alvin
  9. chemistry

    What is the monomer and polymer structure of DNA?

    asked by Liz
  10. NONe

    OOBI

    asked by IVY
  11. algebra

    A three quarter inch wire has 12 ohms resistance. How much resistance has the same length of half-inch wire, if resistance varies inversely as the square of the diameter?

    asked by Don
  12. math

    there are 30 marbles in a bag; 4 blue, 10 red,6 white, 10 yellow. You randomly draw5 marbles without replacement. Find the percent of drawing 2 red marbles and at least 2 white marbles.

    asked by em
  13. Physic

    The position of a mass on a spring is given by x = (7.6 cm) cos [2 π t / (0.82s)]. Where is the mass at t = 3.1 s? (Answer: 1.45cm) Answer is provided above. Please show all work on how to get the answer. Thank you.

    asked by Anonymous
  14. History

    1)How did enlistment in the Canadian military change between first world war and second world war? What changed? I have a few points but I can't think of any more 2)how has the Canadian military changed from the second world war? Research the the inclusion

    asked by Al
  15. physics

    maximum and minimum magnitude of resultant of two vectors r 17 and 7 respectively what is the magnitude of resultant vector when both r perpendicular to each other??

    asked by saif
  16. Maths A level

    A large cylinrical tankor radius 40cm contins a liquid and at time,t the depth is h cm. There is a hole in the bottom and liuid leaks out at a rate of 32pi h to power of 0.5. Show at time t, the heighth of the liquid in the tank satisfies the diff. eqn..dh

    asked by Thomas
  17. Basic Mathematics

    A bag contains 2 red balls, 3 blue balls and 5 green balls. 3 balls are drawn at random. Find the probability that a) the 3 balls are of different colours b) 2 balls are of the same colour c) all the 3 are of the same colour.

    asked by Shammi
  18. geometry

    Jake rolls two standard number cubes. Find the probability that the sum of the roll is 10, given that both cubes rolled odd numbers.

    asked by Plz help
  19. test

    test

    asked by bobpursley
  20. math

    If the difference between x and y is 40° then angles can be x=100° y=80°

    asked by shaji
  21. economics

    what are welfare payments or consumer subsidies

    asked by Anonymous
  22. physics

    1500 cm3 of ideal gas at STP is cooled to -20°C and put into a 1000 cm3 container. What is the final gauge pressure? 11 kPa 40 kPa 113 kPa 141 kPa 240 kPa

    asked by lila
  23. Physics

    20.00 cm of space is available. How long a piece of brass at 20°C can be put there and still fit at 200°C? Brass has a linear expansion coefficient of 19 × 10^-6/C°. 19.93 cm 19.69 cm 19.50 cm 19.09 cm

    asked by tira
  24. physics

    What is the ratio of the speed of sound in air at 0°C to the speed at 100°C?

    asked by tira
  25. Math

    "if side a = 4, find x and y in a triangle"

    asked by Kylee
  26. science

    An object moves up and down the y-axis with an acceleration given as a function of time t by the expression a equals A sine of omega-t. , whereA. and omega. are constants. What is the period of this motion? Answer omega. 2 pi omega. omega squared times A.

    asked by laura
  27. caculus

    Let f(x,y)= x^2+3y-3xy and R is the triangular region with vertices (0, 0), (2, 0) and (2, 2). Find the interior and boundary points only at which the absolute extrema of f(x, y) can occur

    asked by ashy
  28. algebra

    how do you graph linear equation 2x= -10y and x+5y=3

    asked by carolyn
  29. Math

    Mr. Jefferson has 20 students in his class. He wants to send 4 of these students to pick up books for the class. How many combinations of 4 students can he choose? A)5 B)80 C)4845 D)116,280

    asked by Cat
  30. Science--Myanswer Plz, plz

    Electric charges that are different attract each other. repel each other. **** exist in pairs. do not interact. Magnetic field lines around a bar magnet are only perpendicular to the magnet. spread out from one pole and curve around to the other. ****

    asked by HeELP ME FAST!!!
  31. Statistics

    1. This probability distribution shown below relates to the number of times a person goes to a local coffee shop per day. What is the expected mean (average) number of times a person goes to a local coffee shop per day? 2. What is the area equal to under a

    asked by Jake
  32. Maths

    Write an expression that represents the profit for 25 pennants, 80 buttons and 40 caps. Help? How?

    asked by Kathlyn98
  33. Algebra

    x(yp) =

    asked by Anonymous
  34. math

    J.C. Nichols department store reports that the average sales on Saturdays is twice that on Thursdays and the average sales on Thursdays is twice that on the other four days.What fraction of the weekly sales are made on Thursdays? a. 1/7 b. 1/5 c. 2/7 d.

    asked by thomas
  35. math

    Pamela owns 37.5% of the stock of a corporation and sells 2/3 of her stock at a 10% profit, What percent of this stock does she own after this transaction? a. 12.5% b. 33 1/3% c. 66 2/3% d. 72.5% e. 90% please answer and explain

    asked by thomas
  36. science

    the neurons that transmit the signal to your foot to kick a soccer ball are called A. reflexes B. motor neurons C. sensory neurons D. interneurons

    asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  37. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2

    asked by tasha
  38. Chemistry

    Determine the final pressure of a gas that has initial pressure of 1.00 atm and is heated from 20.0 C to 30.0 C in a container with a fixed volume.

    asked by WeiWei
  39. algebra

    The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.21 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round

    asked by tasha
  40. maths

    A box of 12 table costs 21 cents.The same brand is packaged in bottles containing 100 tablets and sells for $1.50 per bottle.How much is saved per dozen, by purchasing the larger amount? 1. 1/4 cents 2. 1 cents 3. 1/2 cents 4. 1 3/4 cents 5. 3 cents 6. 6

    asked by Johnny
  41. maths

    If 5 1/2 yards = 1 rod and 3 feet = 1 yard,how many rods are equivalent to 1 foot? 1. 2/11 2. 6/11 3. 2/33 4. 11/6 5. 11/2 6. 11/8

    asked by Johnny
  42. Hileyville Hight

    37.8 divided by 10 3

    asked by Kyle
  43. Math--2question

    13. What is the surface area of a sphere with a radius of 4 meters rounded to the nearest square meter? (1 point)50 m2 101 m2 201 m2 268 m2 14. What is the volume of a sphere with a radius of 4 meters rounded to the nearest square meter? (1 point)67 m3 201

    asked by Helpmeasap
  44. Bar Graphs

    Do the bars on bar graphs need to have spacing between them or can they be right next to each other?

    asked by Anonymous
  45. Math

    What is 7.061 as a mixed number?

    asked by Andrew
  46. chemistry

    Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution containing 0.065 mol citric acid (H3A), 0.025 mol 8-hydroxyquinoline (HB), and 0.040 mol KOH. Consider just acid-base chemistry. Ignore ion

    asked by James
  47. math

    Ms. Lynn is cutting a piece of bulletin board paper into strips. What size pieces should she cut so that she has the fewest number of strips?

    asked by cheyenne
  48. arithmetic

    1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four

    asked by kartik hans
  49. Algebra /Happy Holiday Everyone

    Evaluate the Expression This is combination nCr (9 6 3 ) (6 4 1 ) n! r!(n-r)! I have try everything and came up 1296 and that was wrong. Could someone please help when you have time. Thank You

    asked by Mary Ann
  50. math

    1. Gina wrote this system of linear equations: 2x + y = 7 4x + 5y = 11 Which of the following shows the first four steps that Gina could have used to correctly solve this system for x? a) y = 7 – 2x 4x + 5(7 – 2x) = 11 4x + 25 – 10x = 11 25 – 6x =

    asked by kelsey
  51. math

    1. Cynthia used some of the ordered pairs from the set below to make a new set. {(4, –3), (–2, 5), (5, 4), (7, 2), (2, –7)} She wrote the domain of this set as {2, 4, 5}. Which ordered pairs from the original set did Cynthia use to make her new set?

    asked by kelsey
  52. french

    Answer the question in the negative. Est-ce que tu fais de la voile?

    asked by Jenna
  53. science

    Animals with nerve nets have A. no specialized neurons. B. sensory neurons but no interneurons. C. interneurons but no sensory neurons. D. only motor neurons

    asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  54. English 4 help

    1. both George Orwell and Stevie Smith employed irony in their writing. True or False 2. Alfred, Lord Tennyson's poem "Crossing the Bar" and Dylan Thomas's poem "Do Not Go Gently into That Good Night" convey a similar view point about death. True or False

    asked by Karen
  55. LA

    1. What is one thing a strong introduction does NOT do? (1 point)capture the reader’s interest present evidence to explain the topic provide background information state the main idea of the report 2. Which is the correct MLA citation for a magazine

    asked by HeELP ME FAST!!!
  56. math

    Joan is three years younger than Martin. How old will Joan be when she is 4/5 his age?

    asked by Rabie
  57. math

    A gasoline gauge register 1/8 full.After purchasing 12 gallons of gasoline it registers 7/8 full. What is the capacity of the tank (in gallons)?

    asked by Rabie
  58. math

    After 75 gallons of oil are removed from a cylindrical thank, its level is lowered from 1/6 to 1/7 of its capacity. How many gallons should now be added to the tank to fill it?

    asked by Rabie
  59. Algebra

    Player lost 15 yards, gained 3,then 21 in three successive running plays. What was his total gain and loss

    asked by Laura
  60. 2 questions?

    What is the surface area of a sphere with a radius of 4 meters rounded to the nearest square meter? 50 m2 101 m2 201 m2 *** 268 m2 What is the volume of a sphere with a radius of 4 meters rounded to the nearest square meter? 67 m3 201 m3 268 m3

    asked by Anonymous
  61. Science

    How can you measure the angle of incidence and refraction with a protractor? If not, what are some tools I can use which are found at home?

    asked by Anonymous
  62. math

    16. If you work 37.5 hours per week at $10.65 per hour, how much is your gross pay for a two-week period? (Round off your answer to the nearest cent.) A. $399.38 B. $788.10 C. $239.26 D. $798.75 i think its c

    asked by ralph
  63. Health

    Using outside references, describe outcomes management and its relationship to fitness. What do you think a mandatory outcomes program would have on rehab and wellness programs in the future? Is it good professionally? Will it raise costs? Provide

    asked by Sami66
  64. physics

    A subcompact car, mass 1,000 kg, runs into and sticks to an at rest, 2,200 kg SUV. If their final speed is 4.7m/s ,what was the smaller cars initial speed? a) 67 m/s b) 30m/s c) 2.2 m/s d) 15 m/s

    asked by katie
  65. Science

    5. Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he's going to create and experiment to find out if there is something better. What is 1 constant? a. type of tissue b. Justin c. amount of tissue

    asked by Anonymous
  66. science

    A rock tumbles straight down from a cliff, its moving at 20 m/s when it hits. What is the height of the cliff? The mass of the rock is 8 kg. a) 2.5 m b) 400 m C) 20.4 m d) 160 m

    asked by katie
  67. Chemistry

    How many moles of silver will be deposited from a silver(i)trioxonitrate(v)solution by 16g of copper (Ag=108, Cu=64).

    asked by Nurudeen
  68. Math

    Laura is designing a rectangular porch for her house. On her scale drawing, the vertices of the rectangle are (2,7),(8,7), and (2,9). What are the coordinates of the fourth vertex? a)(8,9) b)(7,9) c)(7,2) d)(2,8) Is the answer a?

    asked by Gwen
  69. Calculation in chemistry

    8.0g of mettalicoxide were reduced by hydrogen to give a metal of 2.0g. Calculate the mole of d metal that will combined with 0.5moles of oxygen.

    asked by Nurudeen
  70. james madison high school algebra

    Can anyone help me with Ashworth high algebra 1 part 2 I really need some help I'm not good with math

    asked by val
  71. having trouble please help?

    2. which survey question is unbiased? a: "Do you think we should allow them to cut down the trees and pave over grass for the new playground?" b: "Which do you prefer with a meal-water, or a durupy sweet soft drink?" c: "Should there be a school dress

    asked by damian
  72. MATH HELP PLEASE!!

    1. Mandy kept track of the trade-in value of a collector’s coin for several months through February of this year. She determined the line of best fit for the data was y = 4x + 12, where y is the trade-in value, in dollars, x months after February of this

    asked by kelsey
  73. Math

    1. What are the mean, median, mode, and range of the data set 16, 17, 17, 17, 19, 21, 23, 24? (1 point)mean = 19.3; median = 17; mode = 18 mean = 19.3; median = 18; mode = 17 mean = 18; median = 19.3; mode = 17 mean = 20.3; median = 18; mode = 17 2. Given

    asked by HeELP ME FAST!!!
  74. Language Arts

    1. Electric lighting was a novelty before it became (1 point) unusual. common.* expensive. 2. Read the following paragraph from “The Electric Summer”: "That thrilled me, and scared me. The great world seemed to swing wide like the gates of the Fair,

    asked by Chris
  75. Science

    12. Justin usually blows his nose using Kleenex tissues. His snot keeps leaking through the tissue. He decided he's going to create and experiment to find out if there is something better. a. type of tissue b. Justin c. amount of tissue d. mess of the

    asked by Anonymous
  76. maths

    If 15 students walk to college and 35 gets the bus, what percentage walk to college?

    asked by cherry lane
  77. science

    Enzymes are important because they A. contain water. B. speed up chemical reactions. C. contain genetic material. D. help the cell maintain its shape.

    asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  78. English 4 help

    1. Which of the following statements is the best example of a limited subject for a research project? A. animal behavior B. animal welfare C. how to improve animal welfare D. improving welfare of farm animals 2. When evaluating the credibility of a source

    asked by Karen
  79. science

    Which term refers to the diffusion of water through a membrane? A. osmosis B. engulfing C. active transport D. facilitated transport

    asked by I NEED HELP FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  80. History,geography,maths lit,business study

    I need help which career i can follow whn i did ths subject

    asked by Xola
  81. Math

    2. A jar contains blue, red, yellow, and green marbles. P(blue)=1/4. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment.

    asked by Sebby-Chan
  82. math

    6. Kevin wants to calculate the value of the expression below. Which shows an equivalent way Kevin could write this expression? - 17 + 3 a) - (17 + 3) b) - (17 - 3) c) (- 3 + 17) d) ( - 3 - 17)

    asked by kelsey
  83. math

    Find the monthly payment for the loan. (Round your answer to the nearest cent.) $700 loan for 12 months at 12%

    asked by lade
  84. Criminal Jstice - Ethics

    The ethical life requires that we make good decisions, and good decisions are _________ decisions. A. emotional B. justified C. personal D. unreasoned I am pretty sure it's C., but need another opinion.

    asked by Pat
  85. Algebra 1--Please, help me!

    The side of a trinagular roof is to have the same height h and base b^2 as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b^2h. For a trapezoid, A = b1 +

    asked by Victoria
  86. English

    1. I found it difficult to park. 2. I found it difficult parking. 3. I found to park difficult. 4. I found parking difficult. ------------- Which ones are correct?

    asked by rfvv
  87. English

    1. I cannot endure being commanded. 2. I cannot endure being played. 3. I remember being carried on your shoulders. 4. I remember being surfed on the Internet. 5. I remember being surfed the Internet. -------------------- Would you check the sentences?

    asked by rfvv
  88. English

    1. I regret breaking the window. 2. I regret to break the window. ------------------- Are both grammatical? What is the difference between the two sentences? 3. I regret having broken the window. 4. I regret to have broken the window. -------------------

    asked by rfvv
  89. Algebra 1

    Key: *** = my answer 8. A catapult launches a boulder with an upward velocity of 148 ft/s. The height of the boulder, h, in feet after t seconds is given by the function h = –16t2 + 148t + 30. How long does it take the boulder to reach its maximum

    asked by SharkMC
  90. English 4

    1. Which of the following displays a correct use of pronouns? A. Soung spent more money than me B. Jamal was as interested as her C. Claudia has always been better at math than I. 2. Read the following sentence and determine which sentence in each set of

    asked by Karen
  91. Biology 30

    In what size populations might you expect it to be relatively common for alleles to become fixed? Why? I think that larger populations would be more likely to have fixed alleles, since perfect Hardy-Weinberg equilibrium states that there will be no change

    asked by Erika
  92. Algebra 1--Please, help me!

    The side of a trinagular roof is to have the same height h and base b^2 as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b^2h. For a trapezoid, A = b1 +

    asked by Victoria
  93. Math

    A confectioner perchased several boxes of candy for $6. He gave five boxes to his children, and sold the rest at 10 cents more per box than he had paid for them, and made a profit of 25% on his original cost. How much did a box of candy cost him?

    asked by Lina
  94. Algebra

    You roll a standard number cube. Find P(number less than 3). a. 1/3 b. 2/3 c. 3/2 d. 5/6

    asked by TigerRus
  95. Maths

    Suppose that y varies inversely with x and that y = 2 when x = 8. What is an equation for the inverse variation? What would the answer be? What is the factored form of the expression? s^2 – 81 (s – 9)(s – 9) (s – 9)(s + 11) (s – 9)(s + 9) (s +

    asked by Woody
  96. Math

    What are the minimum, first quartile, median, third quartile, and maximum of the data set? 40, 7, 2, 35, 12, 23, 18, 28 Please help me.

    asked by Carla
  97. Enlish lit

    How do the styles and themes of “Theme for English B” and “Ballad of Birmingham” compare? I read both, but I don't understand how that could compare in themes of styles. They have both different themes and styles!

    asked by AnonJ
  98. Science

    Five groups of rats are fed identical diets except for the amount of vitamin A that they receive. Each group gets a different amount. After three weeks on the diet, the rats are weighed to see if the amount of vitamin A received has affected their weight.

    asked by Anonymous
  99. Math

    State the types of graphs that you could use to present each set of data below.Which type of graph do you think is most appropriate? Data

    asked by Annie
  100. Math

    20. The time t required to drive a certain distance varies inversely with the speed, r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? a. about 1.64 hours b. about

    asked by Anonymous
  101. Physics

    Help needed Which of the following is equivalent to one ampere? 10 s/10 C 10 C/10 m 1.5 C/1.5 s 15 C/10 s

    asked by Me and I
  102. Physics

    am i correct? A stream of moving charges results in a current of 5.6 A. How long does 116 C of charge take to flow past a fixed point? 2.0 s 5.6 s 11.2 s 21 s

    asked by Me and I
  103. math

    what way would the line face with the linear equation y=-1/3x+5? A)A line going through the 5 up to the right B)A line going down from 5 c)A line going through -5 and up D)A line going through positive 1 and to the left. Is it d

    asked by Gwen
  104. math

    use integer values of x from -3 to 3 to graph the equation y= {-X} Help me graph this by helping me with the coordinates.

    asked by Gwen
  105. Physics

    Am i correct? Which of the following is a reasonable power rating on an electric oven? 220 V 8.0 A

    asked by Me and I
  106. English

    How do the styles and themes of “Theme for English B” and “Ballad of Birmingham” compare? I read both, but I don't understand how that could compare in themes of styles. They have both different themes and styles! x2

    asked by Janon
  107. math

    31. Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 – 6x = –8

    asked by Tina
  108. math

    1. Mandy kept track of the trade-in value of a collector’s coin for several months through February of this year. She determined the line of best fit for the data was y = 4x + 12, where y is the trade-in value, in dollars, x months after February of this

    asked by kelsey
  109. Maths! GAH!

    What is the simplified form of the expression? 2b^–6 • b^12

    asked by Codi
  110. Math

    What is the degree of the monomial? 6x^5

    asked by Dan
  111. Math

    What are the solutions of the system? y = x2 + 3x – 4 y = 2x + 2 Don't understand

    asked by Harry
  112. math

    which table shows a proportional relationship? A)x=1,3,4,6 y=2,4,6,7 B)x=1,2,5,8 y=-2,0,6,12 C)x=2,3,5,6 y=-4,-6,-10-12 D)x=2,4,6,8 y=2,3,4,5 Is the answer C

    asked by Gwen
  113. biology honors

    i am doing a research paper on cancer. what are some specific issues related to the topic and develop a specific research question from your selected contemporary issue. ( i put "the good and bad of cancer"

    asked by reina bonilla
  114. algebra

    Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. On what day(s)

    asked by Sacha
  115. Spanish

    Hi, I would like some tips on what to say when you're talking to a friend about what you're packing & need to buy to go on a trip. This is a conversational piece where it is required that we speak out of context as well (talking about the weekend,

    asked by Nick
  116. HELP MATH !!

    Melanie charges $4.50 per hour when she washes cars, plus $5.00 for supplies. Which function rule represents the amount y Melanie charges to wash cars for x hours? (1 point) a) y = 0.50x b) y = 4.50x + 5.00 c) y = 5.00x + 4.50 d) y = 9.50x The sale price

    asked by kelsey
  117. geometry

    A plane is flying at an altitude of 12,000 m. From the pilot, the angle of depression to the airport tower is 32°. How far is the tower from a point directly beneath the plane?

    asked by niglet
  118. Math - Variation

    under certain conditions, the thrust T of a propeller varies jointly as the fourth power of it's diameter, d, and the square of the number, n, of revolutions per second. What happens to the thrust if n is doubled and d is halved?

    asked by Kiirsty
  119. Consider the graph with V = [A, B, C, X, Y, Z] and

    Consider the graph with V = [A, B, C, X, Y, Z] and E = [AX, AY, AZ, BB, CX, CY, CZ, YY]. Without drawing a picture of the graph: a. List all the vertices adjacent to Y. b. List all the edges adjacent to AY. c. Find the degree of Y. d. Find the sum of the

    asked by Mimzi
  120. Biology Please help

    There are several genes that control eye color; eye color is therefore called a (A) Polygenic trait. Besides genes that directly control eye color, there are other genes that can affect the color of your eyes. For example, your eye color genes may code for

    asked by Ann
  121. Algebra 1--Please, help me!

    The side of a trinagular roof is to have the same height h and base b (with a 2 below) as the side of a trapezodial roof. a. What is the ratio of the area of the triangular roof to the area of the trapezoidal roof? (For a triangle, A = 1/2b(with a 2

    asked by Victoria
  122. Math - Linear Equations

    "A trucking firm has 8 trucks, some carry a load of 10 tonnes and others carry a load of 5 tonnes. When all 8 trucks are carrying a full load, the total load is 70 tonnes." Develop and solve simultaneous equations to determine the number of trucks of each

    asked by Kiirsty
  123. Math

    Identify the sequence as arithmetic. geometric, or neither.. explain your answer 1.6, 0.8, 0.4, 0.2....

    asked by kelsey