1. science

    i suppose to make a simple reciepe with the steps showing to be either chemical or phsical

    asked by claire on October 10, 2007
  2. Physics

    Suppose you walk toward a mmirror at 2 m/s. How fact do you and your image approach each other? Explain your reasoning.

    asked by Pam on March 6, 2008
  3. Calculus

    Suppose that a, b, and c are digits for which the number 708,16b,8c9 is a multiple of 99. Find a+b+c.

    asked by Ashley on January 26, 2008
  4. math

    suppose you roll 2 number cubes. what is the probability that the product of the numbers is a multiple of 7

    asked by p on May 8, 2013
  5. statistics

    Suppose that a random variable, X, follows a Normal distribution. Specifically, X~N(10, 4). What is the value for the standard deviation

    asked by Kat on September 13, 2012
  6. Math

    Suppose you spin a spinner that is equally likely to land on any one of the numbers from 1 to 8. Which event has the same probability as P(not 2 or 3)?

    asked by Ali on May 21, 2014
  7. Jared

    Suppose that x has a distribution with = 10 and = 5. If a random sample is taken of size n = 44, find . 10.00 0.75 1.51 0.11 my answer was 0.75 is this 5.00 correct

    asked by alex on June 20, 2010
  8. statistics

    suppose that 52percent of us sleep between 7 and 8 hours a day .find the decimal for 51 percent

    asked by britt on October 2, 2010
  9. Inspire international school

    Suppose you want to find out about boiling points of different liquids . Describe how you could go about finding the information.

    asked by Yazan on October 18, 2015
  10. Chemistry

    Suppose you are given a sample of a homogeneous liquid. What would you do to determine whether it is a solution or a pure substance?

    asked by Shannon on August 15, 2010
  11. Chemistry

    7. Suppose 45.0 mL of 0.250 M HNO3 was mixed with 35.0 mL 0.600 M Ba(OH)2. Calculate the pH of the final solution.

    asked by CHIPNDALE on November 21, 2015
  12. Macroeconimcs

    Suppose you were interested in increasing technological progress in your country. Suggest two (2) ways to do this.

    asked by Kysha on July 2, 2014
  13. math

    find the zeroes of g(x)=(x^2-5x-6)/(x^2-9) I know i suppose to use synthetic division, but the denominator has x^2 in it. Does this matter or do I just divide by -9

    asked by meme on March 20, 2012
  14. college

    How can you get the quadratic formula out of this if there are two unknowns? speed of sound and u. also is there suppose to be another + after the second u? u^2/speedsound+u sqrt2/g - 3.4=0

    asked by anthony on October 1, 2010
  15. Statistics

    Suppose that x has a distribution with = 10 and = 5. If a random sample is taken of size n = 44, find . 10.00 my answer was 0.75 is this correct 0.75 1.51 0.11 5.00

    asked by Jacob on June 20, 2010
  16. Math

    Suppose that x and y are related by the equation x^2/4 + y^3/2 = 4. Use implicit differentiation to determine dy/dx. My answer was 1/3y^2, y cannot = 0 but this is wrong.

    asked by Hannah on April 2, 2011
  17. Science 1 quick question

    Suppose monerans lost the ability to fix nitrogen. How would this affect other organisms?

    asked by Nikki on September 30, 2014
  18. science

    what land locations around the world have the highest incidences of hurricanes? Check out this site with a map of the regions with the most hurricanes.

    asked by Anonymous on March 11, 2007
  19. Chemistry

    I am still not understanding how to calculate n in Ecell=Enaughtcell-(.0592/n)logQ. Example: Au/Au^3+ and Cu/Cu^2+ If I am correct it should look like this Au->Au^3+ + 3e- (Enaughtcell = 1.50V) and Cu->Cu^2+ + 2e- (Enaughtcell = 0.34V). The Cu/Cu2+ is the

    asked by amy on April 20, 2007
  20. math

    The scale model of a building is 5.4 feet tall. A)If the original building is 810 meters tall, what was the scale used to make the model? B)If the model is made out of tiny bricks each measuring 0.4 inch in height, how many bricks tall is the model? THANK

    asked by kimie on December 1, 2015
  21. Physics

    Consider a map oriented so that the x-axis runs east-west (with east being the "positive" direction) and y runs north-south (with north "positive"). A person drives 23 km to the north, turns and drives 76 km to the east, and then turns north and drives for

    asked by Pat on September 11, 2014
  22. Math - Calculus

    Suppose you live near a bay where the water level fluctuates due to the tides. Your bay is an inverted cone with a radius of 1 mile, and a depth in the center of 100 feet. (There are 5280 feet in a mile.) Water flows through a channel in and out of the bay

    asked by Anonymous on April 25, 2017
  23. English

    Can someone help me check the grammar in these sentences? Thank you very much in advance. 1)If I go on a short flight journey, I’d rather take a hand luggage with me. 2)If I’m going on a tropical island, I’d like to stay in a hotel next to the beach

    asked by Franco on September 27, 2013
  24. English

    Thank you very much for your cooperation. Can you please check some more sentences? 1) His soul had gone mad as a result of his solitude in the wilderness. 2) He struggled against the madness of his soul that, however, recognized no limits and ad no faith

    asked by Franco on September 9, 2010
  25. Precalculus

    Suppose that the mean score of 250,000 students on the mathematics part of the SAT is 468 and the standard deviation is 104. Suppose that you make 650 on the SAT mathematics part. a. How many standard deviations is your score above the mean? How do you do

    asked by Anonymous on February 4, 2014
  26. Precalculus

    Suppose that the mean score of 250,000 students on the mathematics part of the SAT is 468 and the standard deviation is 104. Suppose that you make 650 on the SAT mathematics part. a. How many standard deviations is your score above the mean? How do you do

    asked by Anonymous on February 5, 2014
  27. math

    A sqaure and a triangle have equal areas.if a side of the square is 10 inches and the base of the triangle is 10,what is the height of triangle draw a diagram to solve the problem

    asked by kaiya on February 12, 2013
  28. Managerial Economics

    Suppose your company is considering three health insurance policies. The first policy requires no tests and covers all preexisting illnesses. The second policy requires that all covered employees test negative for the HIV virus. The third policy does not

    asked by Jutee on May 20, 2015
  29. need help with these two, please

    Given that loci A and B in Drosophila are sex-linked and 20 map units apart, what phenotypic frequencies would you expect in male and female offspring resulting from the following crosses? (Assume A and B are dominant to a and b, respectively). A) AaBb

    asked by stew on September 24, 2007
  30. Stats

    Make a boxplot of the salaries. To the right is a stem-and-leaf plot of the salaries for the 2006 New York Yankees. The stems are millions of dollars; the leaves are hundreds of thousands. For example, the "5|4" represents the 5.4 million dollars earned by

    asked by CM on September 22, 2009
  31. biomes

    what are the latitudes of savannahs and grasslands, and coral reefs? Check these sites. http://www.blueplanetbiomes.org/grasslands.htm http://www.blueplanetbiomes.org/african_savanna.htm http://www.reefrelief.org/Coral%20Forest/map.shtml

    asked by m on October 2, 2006
  32. world history

    Why did Queen Mary imprison her half -sister Elizabeth? a-She had converted to Calvinism b- She had led an uprising c- She was beautiful d- She was popular and protestant answer: D correct?

    asked by chris on June 1, 2012
  33. physics

    A remote control toy car starts from rest and moves with constant unkown acceleration. After half a second it has travel 0.65m. How far has it traveled after 3 seconds?

    asked by michell lopez on March 23, 2015
  34. Helpppp

    Find the apr to the nearest half percent for the following loan Amount financed $3400 Finance charge $470 Number of monthly payments 36 Please help

    asked by Kate on February 22, 2013
  35. arithmetic

    find the APR to the nearest half percent, for the following data. purchase price $3500, down payment $500, add-on interest rate 7%, # of payments 18

    asked by ken on March 4, 2013
  36. Chemistry

    Balance the following equations for a half reaction that occurs in a acidic solution A) ClO3- --> Cl2 B)H2BO3- -->BH4- C) MnO4- + HNO2 -->NO3- +Mn2+

    asked by Anonymous on November 19, 2012
  37. chemistry

    I need steps of solving this question Balance the oxidation reduction equation in electron ion / half reaction PbO2 + KCL = KCLO + KPb(OH)3 please best regards

    asked by h a i a e on May 24, 2010
  38. Science-Chemistry

    Wirte the half equation for the reduction of acetic acid. I Know that a colourless odourless gas is formed in the process but I can't seem to find an appropriate product to accompany it. Pleasae help.

    asked by Ben on January 28, 2008
  39. math

    I need the answers really quick before my time is out HELP PLZZ 3. determine which ordered pair is a solution of y = 2x – 3? A.(-2,7) B.(0,3) c.(-4,-11) d.(5,-7) 4.on which of the following lines does (7,1) lie? A. y-5x=4 b. y=x-10 c. y=-4x+3 D. y=-x=8

    asked by IhateMath on April 16, 2015
  40. Calculuc

    How do you set up this problem? The decay constant for the radioactive element cesium 137 is .023 when time is measured in years. Find its half-life.

    asked by Jillian on August 22, 2012
  41. physics

    an ideal monatomic gas is allow to expand slowly until its presssure is reduced to exactly half its original value. By what factor does the volume change if the pressure is (1) isothermal (2) adiabatic

    asked by Joanna on March 8, 2012
  42. Chemistry

    CuS is oxidized by molecular oxygen to produce gaseous sulfur trioxide and solid copper (II) oxide. Write 2 balanced half reactions

    asked by Michele on October 21, 2017
  43. Physics

    At what positions is the speed of a simple harmonic oscillator half its maximum? That is, what values of x / X give v = ±vmax/2 , where X is the amplitude of the motion? Hello, I am so confused about this question. I am not really sure where to start.

    asked by Elizabeth on July 24, 2016
  44. Social Studies

    What was the role of the Native Americans during the Revolutionary War? A. Native americans did not fight in the Revolutionary War. B. More Native Americans fought with the British than with the Americans during the Revolutionary War. C. More Native

    asked by Anonymous on October 29, 2014
  45. Calculus

    1. Find an ordered pair that represents 6 vector v - 5 vector w if vector v =(9,5) and vector w = (6,9). 2. Find an ordered triple that represents 6 vector y + 4 vector z if vector y = (2,6,8) and vector z = (7,-2,6) 3. Find the magnitude of vector WX for

    asked by anon on August 30, 2012
  46. algebra

    Area of a painting. A rectangular painting with a width of x centimeters has an area of x2  50x square centimeters. Find a binomial that represents the length. See the accompanying figure.

    asked by kool-v on January 28, 2010
  47. Math

    During a track meet Kelly throws the shotput 51 feet, 50 feet,and 58 feet. Write an expression that represents the length of her average throw in feet. Evaluate the expression.

    asked by Valerie on August 27, 2015
  48. math

    a 32in board is to be cut into 3 peices so that the second board is twice as long as the first piece and the third is to be 5 times longer than the first piece. if x represents the length of the first peice, find the length of all three pieces.

    asked by sarah on September 23, 2010
  49. Chemistry

    An unknown metal, m, forms an ionic compound with the formula, M2S3. Which formula represents the compound formed by the metal with oxygen? a) MO b) MO2 c) MO3 d) M2O3

    asked by Anonymous on May 7, 2017
  50. math

    At a park, 96 brown-bag lunches were given out in thirty minutes. If 29 bags remain and x represents the starting number of brown-bag lunches, which equation could be used to determine the value of x?

    asked by Anonymous on February 28, 2013
  51. geometry

    a car traveling at 30 meters per second begins to slow down at a constant rate. after 2 seconds its velocity is 16 meters per second. write an equation that represents the cars velocity v after t seconds

    asked by Anonymous on December 7, 2011
  52. math

    Write the equation that represents the relationship between n the number of triangles and p the perimeter of the figures formed. the triangle perimeters are 10 and the base is 7. a.P=10n+14 b. P=10n+7 c.P=7n+10 d. P=7n+20. the Perimeter of the triangles

    asked by shayeet on November 5, 2018
  53. math

    shaniquya went to the carnival with her friends. the total cost in dollars, c, of attending the carnival is given by the equation: 5(t-10)-2t=c where t represents the number of tickets purchased. A. if the cost, c, is $10, how many tickets did she

    asked by karon on January 24, 2011
  54. Math

    Each letter in the subtraction problem below represents a different digit from 0 through 9.The digits 3 and 5 don't apear. replace each letter so the subtraction problem is true. GRAPE - PLUM =APPLE

    asked by autumn on January 23, 2011
  55. statistics

    What is the probability that the following system works if each unit fails independently with probability p? ____o_____o_____ | | _______o________ | | ____o_____o_____ Note: In the above circuit "o" represents 5 relays in the circuit with propability p

    asked by tina on January 27, 2012
  56. math

    The cans manufactured at a factory must have a capacity of 355 mL, with a maximum variation of less than 2mL.Cans with capacities outside this limit are rejected. Which inequality best represents the capacity, v, in ml, of a can that will be rejected?

    asked by Anonymous on September 18, 2016
  57. Algebra

    Area of a painting. A rectangular painting with a width of x centimeters has an area of x^2+50x square centimeters. Find a binomial that represents the length. See the accompanying figure.

    asked by Samantha on August 5, 2010
  58. math

    at a park 96 brown bag lunches were given out in thirty minutes if 29 bags remain and x represents the starting number of brown bag lunches which equation could be used to determine the value of x

    asked by mariah on July 8, 2015
  59. Language Arts

    Of three automobiles left on the lot, one was inexpensive, one was cheap, and one was economical. Which word describes the automobile that represents a prudent purchase? inexpensive, cheap, economical. COuld you help? I don't get it.

    asked by poisoned thorn on May 8, 2012
  60. algebra

    On three consecutives passes, a football team gains 6 yards, losses 11 yards , and gain 34 yards. What number represents the total net yardage? net ? yards

    asked by joann on January 8, 2011
  61. chemistry

    if C6H12O6 -> 2 C2H5OH + 2 CO2 represents the fermentation of sugar to produce alcohol, and the reaction is only 40.0% efficient (% yield), what is the actual yield of alcohol from 454 g of C6H12O6

    asked by lianne on November 30, 2010
  62. DNA genotype

    ) In the example above, the Punnett Square represents a cross (mating) between a male (on the left side) with blood type AB, and a female, (top of square), with blood type A, genotype Ao.

    asked by CAM on April 8, 2008
  63. Math

    Tina has 1/2 quart of iced tea. She pours the same amount into each of 3 glasses. Which equation represents the fraction of a quart of iced tea that is in each glass? Mark all that apply. A. 1/2 ÷ 1/3 = n B. 2 ÷ 3 = n C. 2 ÷ 1/3 = n D. 1/2 x 1/3 = n E.

    asked by Mia on February 7, 2018
  64. 5th grade math

    How do you do letter equations? "Each letter in the equation below represents a different digit from the set (1, 3, 4, 7, 8). find the value of each letter to make the equation true. Each letter must represent only one number throughout the entire

    asked by Samantha on January 14, 2010
  65. math

    Write the equation that represents the relationship between n the number of triangles and p the perimeter of the figures formed. the triangle perimeters are 10 and the base is 7. a.P=10n+14 b. P=10n+7 c.P=7n+10 d. P=7n+20. ***** the Perimeter of the

    asked by shayeet on November 5, 2018
  66. algebra

    a) Find a polynomial R(p) that represents the total revenue when the shirts are p dollars each. b) Find R(5), R(10), and R(20). c) Use the bar graph to determine the price that will give the maximum total revenue.

    asked by Anonymous on November 11, 2010
  67. math

    The population p of a city is given by p=240,360e^0.012t where t=0 represents 1990. According to this model, when will the population reach 275,000? I know that you have to sustitute 275,000 into the p but I do not know how to solve it.

    asked by Jake on September 14, 2009
  68. trig

    Imagine that you are sitting 6 feet away from a television that is hung on a wall. The top of the TV is 8 feet off the ground. Which function correctly represents the angle that you make with the top of your television?

    asked by Alex on August 15, 2012
  69. Biology

    Question 16 The model below represents a phase of meiosis. What stage of meiosis does the picture below represent? 1Points A drawing of a phase of meiosis with individual chromatids moving towards opposite poles. A anaphase II B metaphase II C prophase I D

    asked by Unit 5 Cell Production on December 31, 2018
  70. Economics

    Much of the demand for U.S. agricultural output has come from other countries. In 1998, the total demand for wheat was Q = 3244 – 283 P. Of this, total domestic demand was QD = 1700 – 107 P, and domestic supply was QS = 1944 + 207 P. Suppose the export

    asked by Joy on September 27, 2013
  71. statistic

    The random variable x represents the number of boys in a family with three children. Assuming that births of boys and girls are equally likely, find the mean and standard deviation for the random variable x.

    asked by Kim on August 20, 2013
  72. Pre-Calculus

    A rectangular window is topped with a semicircle. The height of the rectangular part is 1 more than 3 times its width, w meters. Which function represents the total area, A, of the window in terms of the width?

    asked by Caitlin on September 10, 2015
  73. geometry

    My Flower Basket delivers flowers within a 25 mile radius of their store. If this area is represented graphically, with My Flower Basket located at (4, 3), what is the equation that represents the delivery area?

    asked by Anonymous on June 8, 2012
  74. Math

    300 kilometers, 180 kilometers and 200 kilometers represents the trips that ms axler took in her job this week. How many kilometers had ms axler traveled when she was at the one third point in each trip? Explain your reasoning

    asked by Anonymous on November 4, 2014
  75. Math

    Yes, I am looking for the steps and a answer because I can not get it. Question: Area of Painting: A rectangular painting with a width of x centimeters has an area X^2 +50x square centimeters. Find a binomial that represents the length.

    asked by JASMIN on March 3, 2009
  76. Accounting

    Stockholders’ equity represents the claim of the owners on the assets of the business. What is the distinction relative to the owners’ claim between the Capital Stock account and the Retained Earnings account?

    asked by Yvette on March 24, 2008
  77. Math

    Fantasia bought 15 new books to add to her collection of book 'b'. 2rite an algebraic expression that represents the total number of books in Fantasia's collection now. Will it 15b or 15+b or its other and if so may you explain:)

    asked by Kaylen on September 20, 2010
  78. Pseudocode

    Write an algorithm and pseudocode that represents a program that allows a user to enter two numbers. Your program should calculate the sum, difference (both directions), product, and quotient (both directions) of the two numbers.

    asked by Mare on October 28, 2018
  79. algebra

    Martha is having carpet installed in a rectangular room.She estimates the measurements of the room to be 13 ft by 19 ft. The actual measurements of the room are 12 ft by 18 ft. Which expression represents the relative error in the measurement of the area

    asked by tenzintsering on May 15, 2012
  80. Algebra 1

    I need some help with Direct linear variation. I had tooken a test, and one of the questions on there said " Which equation represents a direct linear variation?" The answers were A ; y = 1/x B ; y = x + 2 C ; y = x squared D ; y = 1/2x . I choose B . But

    asked by Stephanie on February 15, 2012
  81. Math

    Due to evaporation, the water level in Wesley's aquarium dropped 2 cm a week during the first three weeks in July. What integer represents the change in water level during the three-week period? -2 cm. -3 cm. -6 cm.**** -9 cm

    asked by Abigail on August 17, 2017
  82. Math - True or False

    True or False: 1. f(x) = -x^3 + x + 1 is an odd function 2. f(x) = x^3 -ax^2 + bx represents a cubic equation having no constant term ...(I'm thinking true?) 3. If f(x) = x/x+2 then f^-1 (x) = 2x/1-x ...(my guess is false?) 4. The equation x^3 - 12x + 16 =

    asked by Jamie on September 12, 2010
  83. Math

    A gardener is putting a fence along the edge of his garden. If he has 20 m of fence , what is the largest area he can enclose? How can a graph solve the problem? What quadratic equation represents the area of the garden?

    asked by Praphul on December 1, 2012
  84. Math

    A magazine advertises that a subscription price of $29.99 ( for 12 issues) represents a savings of 70% from the newsstand price. A- What does this imply the price of one issue must be? B- If you found that the actual price for a single issue is $8.00,

    asked by Maria PLEASE HELP on November 2, 2015
  85. Math

    Hugh is 5 years younger than his 14year old sister, Beth. If n represents Beth's age in the future, write an expression that wold represent Hugh's age at the same time

    asked by YaMaJi on November 5, 2015
  86. Math

    An architect is drawing a scale model of a new mall. The real mall will be 1800 feet long. The scale the architect is using is 1 inch is equal to 100 feet. How long will the model be?

    asked by Brittany on March 11, 2013
  87. Stats

    Fill in the table below regarding populations and samples. The first column represents the question the statistician is trying to answer. Fill in the blank(s) for each row. 1.Is my well water safe? 2.Are as many girls born as boys in the world? 3.Which

    asked by Logan on November 19, 2015
  88. MLA Help

    Can someone (preferably an english teacher) check my margins? This is the first time I've had to put an essay in true MLA format. He said that he wants the lines double spaced and a margin of 1 inch. However, I don't know whether I'm supposed to put a

    asked by Claire on July 13, 2008
  89. International Econmics... Help Needed!!!!

    Suppose the U.S is an importer of product X and that there are no trade restrictions. Let us assume that the U.S. consumers buy 1 million units of X each year, of which 400,000 are produced domestically and 600,000 are imported. a) Suppose a technological

    asked by Mary on July 26, 2010
  90. microeconomic

    a. Calculate the total cost, the average variable cost, the aver-age total cost, and the marginal cost for each quantity of output. b. What is the break-even price? What is the shut-down price? c. Suppose that the price at which Kate can sell catered meals

    asked by gabrielle on November 18, 2008
  91. English

    1. He needs two canned foods. 2. He needs some 500 won coins and many 1,000 won bills. 3. He needs a map book and a tour book to use in the travel. 4. He needs a bottle of drink and a canned drink to drink during the trip. 5. He needs a sun block/sun

    asked by John on May 8, 2009
  92. Math

    The area of a rectangular poster is 30 square inches if the width of the poster is 5 in how tall is the poster

    asked by Anonymous on June 11, 2018
  93. algebra2

    the ratio of the length to the width of a rectangle is 5:4. the perimeter of the rectangle is 72 inches. what are the dimensions of the rectangle? i got 40 and 32, am i right?

    asked by naomi on October 12, 2010
  94. math

    a square has sides of 9 inches. A second square is going to be drawn with a scale factor of 3. What is the area of the second square?

    asked by vanessa on March 3, 2012
  95. math

    Michael went scuba diving. He dropped 80 ft. below sea level.He saw a shark and came up 15 ft. to get away. When the coast was clear he sank 25 more feet. What integer represents Michael's original drop in sea level?

    asked by nicole on January 18, 2012
  96. Math

    Due to evaporation, the water level in Wesley's aquarium dropped 2 cm a week during the first three weeks in July. What integer represents the change in water level during the three-week period? -2 cm. -3 cm. -6 cm. -9 cm.(MY ANSWER)

    asked by LOVE on August 19, 2016
  97. Math

    Which inequality represents the solution shown on the graph? A number line is shown with a solid blue dot drawn on negative 60 and a blue ray pointing to the right of negative 60. Scott?

    asked by Help I need somebody not just anybody on May 15, 2017
  98. algebra

    Select the set of equations that represents the following situation: Mary invested one amount at 7% simple interest, and a second amount at 5% interest, earning $29.80 in one year. If she had switched the amounts, she would have earned $35.00. What were

    asked by susan flowers on May 26, 2012
  99. Science

    Which of these represents a chemical change? A) two compounds combining to form a mixture B) a mixture being separated into two elements C) a compound being separated into two elements D) an element changing state from solid to liquid

    asked by Help Needed on October 12, 2016
  100. statistics!

    The following data represents the body mass index in a random group of twelve diabetic patients in a clinic. 18, 28, 31, 14, 25, 21, 22, 28, 35, 29, 27, 22. What is the z score of the person with the lowest and highest body mass index?

    asked by joane on October 24, 2012