Questions Asked on
September 26, 2014

  1. Math

    Ivan has 6 times as many blue beads as red beads. He has 49 red and bye beads in all. How many blue beads does Ivan have in all

    asked by Jae'la
  2. Chemisty

    How many grams of Cl are in 38.0g of CF2Cl2? I really want to figure out how to do it. I can't seem to understand any of this Chem homework and it's getting me frustrated, please help!

    asked by Luis
  3. Biology question plz

    Which of the following depends on bacteria? conversion of dead organic matter to fossil fuel photosynthesis dissolution nitrogen fixation I think its A but I feel it could also be D, could you plz help?

    asked by Niki
  4. physics

    A student standing on the ground throws a ball straight up. The ball leaves the student's hand with a speed of 19.0m/s when the hand is 1.50m above the ground. How long is the ball in the air before it hits the ground? (The student moves her hand out of

    asked by Jack
  5. Physics

    A rock is dropped from a bridge to the water below. It takes 2.40 s for the rock to hit the water. Find the speed (in m/s) of the rock as it hits the water. How high (in metres) is the bridge above the water?

    asked by Ben
  6. Chemistry

    What is the total ionic equation of this: 3CaCl2(aq) + 2K3PO4(aq) → Ca3(PO4)2(s) + 6KCl(aq) Shw all physical states of the reactants and products

    asked by John
  7. CHM 300

    Explain why I2 is not a good primary standard? why is this an iodometric procedure?

    asked by Janu
  8. Language Arts - The Odyssey - Please Check Answers

    Please help me with the following question: Read the excerpt from The Odyssey. Six benches were left empty in every ship that evening when we pulled away from death. And this new grief we bore with us to sea: our precious lives we had, but not our friends.

    asked by Brady

    Identify the word in italics. This is the dog I was telling you about. demonstrative pronoun indefinite pronoun interrogative pronoun relative pronoun not a pronoun

    asked by casey
  10. Spanish

    Sra. would you look over my answers please? Part I. El subjuntivo con expresiones hipotéticas: Complete las frases siguientes utilizando EL SUBJUNTIVO. Ejemplo: No completaré la tarea hasta que... estudie los verbos. My answers are after the ... on each

    asked by Anna
  11. Physics

    Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. Rocket A has an initial velocity of +4800 m/s, while rocket B has an initial velocity of +9000 m/s. After a time t both rockets are again side by

    asked by Anonymous
  12. Chemistry

    Bones are mostly calcium phosphate. Calcium chloride reacts with potassium phosphate to form calcium phosphate and potassium chloride. Indicate the physical states or reactants and products a) Write the balanced equation of the information above b)

    asked by mandi
  13. math

    Think of a 135 digit number formed by writing the first 72 natural number side by side in a string.(i.e.) 1 2 3………70 71 72. Find the remainder when it is divided by 12. a. 2 b. 9 c. 0 d. 5

    asked by Anonymous
  14. Trigonometry

    A hill in the Tour de France bike race has a grade of 8%. To the nearest degree, what is the angle that this hill makes with the horizontal ground? Round to the nearest tenth of a degree.

    asked by Molly
  15. History

    Why did the Hittites and others migrate from Central Asia to Mesopotamia? A- the needed more land for growing populations B- they were enlarging their empire C- the Persian army drove them out D- climate change brought a mini ice age to Asia My guess is D

    asked by Skye
  16. History

    Which was the most common method empire builders used to unite vast territories? A- religious tolerance B- economic domination C- cultural diffusion D- military conquest My guess is D.

    asked by Skye
  17. math

    I am confused on how to solve this problem, can you help me? It says the distance around the outside of Cedar park is 0.8mile. Joan ran 0.25 of the distance during her lunch break. How far did she run? A. 0.2mile B. 0.25 mile C.1.05 mile D. 2 miles I did

    asked by E6
  18. AP Physics

    a weather station releases a weather balloon.The balloon's buoyancy accelerates it upward at 15m/s sq.At the same time,a wind accelerates it horizontally to the right at 6.5m/s sq.What is the resulting acceleration

    asked by ren
  19. English

    8. In which one of the following sentences is but used as a preposition? A. I would like to return to Italy, but I have no money. B. The lake is pretty, but it's too cold for swimming. C. We discovered that Candy will do anything but work. D. I wanted to

    asked by Sarah
  20. Language arts

    At the end of her aunts story in the story teller the older girl asked whether the girl in the story would have been rescued even if she had not been good. what does she seem to think is the theme of her aunts story

    asked by max
  21. physics

    A bullet is fired vertically upward from a gun and reaches a height of 7000 ft. Find its initial velocity. How long does it take to reach its maximum height? How long is it in flight?

    asked by Ben
  22. math

    Which statement is true? A. All irrational numbers are also rational numbers. B. Half of the irrational numbers are also rational numbers. C. One-third of the irrational numbers are also rational numbers D. Irrational numbers cannot be classified as

    asked by Anonymous
  23. Microbiology

    What methods would you use to sterilize and clean a lab coat contaminated with a broth culture of Vibrio cholerae so that the lab coat could be safely used again? a. Method of sterilization: b. Method of cleaning: c. Name which method would be implemented

    asked by Rose
  24. Accounting 5

    Bethany Link delivers parts for several local auto parts stores. She charges clients $0.75 per mile driven. She has determined that if she drives 2,100 miles in a month, her average operating cost is $0.55 per mile. If Bethany drives 4,200 miles in a

    asked by Vanessa
  25. history

    What caused the fiords in Scandinavia? earthquakes erosion glaciers floods

    asked by casey
  26. art

    picture is called, A Stage Set with a Statue and Palace by Unknown artist Courtesy of the National Gallery of Art, Washington Question: Because of the use of value change in this image, the artist A. was able to make the image have no contrast. B. was able

    asked by anonymous
  27. Accounting

    Anheuser-Busch InBev Companies, Inc reported the following operating information for a recent year. In addition assume that Anheuser-Busch InBev sold 200 million barrels of beer during the year. Assume that variable costs were 75% of the cost of goods sold

    asked by Anonymous
  28. English

    13. When an adverb modifies a verb with a helping verb, the adverb should generally be placed A. before the helping verb. B. after the helping verb. C. at the end of the sentence. D. at the beginning of the sentence. Ms.Sue I just submitted my answers and

    asked by Sarah
  29. English/ms.sue

    Select the complete subordinate clause (including all modifiers). I aced my test because I remembered to study. I aced my test my test because my test because I remembered to study because I remembered because I remembered to study This sentence does not

    asked by casey
  30. Chemistry of Life

    Which statement is true about water molecules? The oxygen atom has a negative charge. The hydrogen atoms do not share electrons. Water molecules move randomly around each other. Water molecules cannot dissolve many substances. Question 2. How does water

    asked by Sara
  31. Math Problem (please help)

    Evaluate the function at the specified value of the independent variable and simplify. f(x) = (2x^2 + 8x)/(5x^3 + 40) at x = 3.

    asked by Ada
  32. sandycreek

    a student found that the weight of the naphthalene collected was less than the weight determined by difference. what would account for the smaller amount of naphthalene collected?

    asked by Anonymous
  33. Math Help.

    write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 What is the value of

    asked by Princess Anna
  34. Business math

    Order for 620 dresses from China, cost is $40 a gown, markup based on selling is 76%, what is the selling price of each gown?

    asked by Will
  35. statistics

    The 92 million Americans of age 50 and over control 50% of all discretionary income (AARP Bulletin, March 2008). AARP estimated that the average annual expenditure on restaurants and carry out food was $1873 for individuals in this age group. Suppose this

    asked by ashley
  36. Physics =/

    Two horizontal forces, and , are acting on a box, but only is shown in the drawing. can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +5.6 N and the mass

    asked by Sanz
  37. Math--1question

    write an integer to represent a loss of 5 yards in football. –7 –5 5 7

    asked by Anonymous
  38. Stats

    The annual precipitation for one city is normally distributed with a mean of 28 inches and a standard deviation of 3.4 inches. Fill in the blanks. In 95% of the years, the precipitation in this city is between __________ and __________ inches. Apply the

    asked by Amy
  39. history

    Which mountains lie between Spain and France? Rocky Pyrenees Alps Andes

    asked by casey
  40. physics

    A power line 10 meter high carries a current 200 amperes .Find the magnetic field of the wire at ground?

    asked by shahed mumtaz khan
  41. MATHS

    experiments show that radium disintegrates at a rate proportional to the amount of radium present at the moment . if half life is 1590 years what percentage will disappear in one year?

    asked by NOEL
  42. math

    the price of a computer fell 20% this year, if the computer now cost $850, how much did it cost last year?

    asked by Barbara
  43. algebra 2

    solve each system of equation by using a table 1. y=3x-4 y=-2x+11 2. 4x-y=1 5x+2y=24 how do you do these?

    asked by anonymous
  44. math

    Which number is NOT rational? A. 5.85 B. 63.4 C. 8.52624*** D. 27.5 is the answer C?

    asked by Anonymous
  45. Calculus

    1. Evaluate the function at the given numbers (correct to six decimals places). Use the results to guess the value of the limit,or explain why it does not exist. F(t)=( t^(1/3) - 1)/(t^(1/2) - 1) ; t= 1.5,1.2,1.1,1.01,1.001; The limit of F(t) as t

    asked by Anonymous
  46. math

    A nine digit number having all its digits distinct and none being zero can be partitioned into two as per well. It turns out that every time the left part is always divisible by the number of digits it has. Which of the following number satisfies this

    asked by kalyani
  47. math

    A 500-litre water storage tank is situated at the top of a building at a height of 300 feet.The tank,which is completely full,has two outlet pipes and one inlet pipe.Veeru climbs up to the tank and opens an outlet which can empty a full tank in 10 minutes.

    asked by Nitumoni
  48. biology

    The following statement is false. Select the rewording that makes the statement true. Dalton discovered electrons inside of atoms by using thermal energy. Thompson discovered electrons inside of atoms by using cathode rays. Thompson discovered electrons

    asked by Angela
  49. english

    Identify the italicized phrase in the following sentence. Jolene went to the city to find a new job. adverb adjective noun

    asked by casey
  50. Physics

    A skateboarder, with an initial speed of 2.4m/s , rolls virtually friction free down a straight incline of length 19m in 3.3 s.At what angle θ is the incline oriented above the horizontal?

    asked by Saku
  51. Pre-Calculus

    Help Please Solve the following system of equations. Round your answers to the nearest tenth. Your answer will be in the form: (M,N). Find M + N, rounded to the nearest tenth. 5x+2y=7 -2x+6y=9

    asked by Anonymous
  52. algebra

    a triangle has a perimeter of 126 centimeters, each of the 2 longer sides of the triangle is three times as long as the shortest side. Find the length of each side of the triangle.

    asked by Barbara
  53. Trigonometry

    In the middle of town, State and Elm streets meet at an angle of 40º. A triangular pocket park between the streets stretches 100 yards along State Street and 53.2 yards along Elm Street. What formula for the area of the pocket park would you use?

    asked by Molly
  54. Chemistry

    My head is spinning from this chapter! I've done most of the questions by myself but I have no idea what formulas I should use for these last two. Can you walk me through them so I can understand what I need to do? 1. What volume of 5.0 M HNO3 is required

    asked by Lissa
  55. MATHS

    please help me ...Experiments show that radium at rate proportional to the amount of radium present at the moment . if half life is 1590 years what percentage will disappear in one year ??

    asked by NOEL
  56. English

    1. In which one of the following sentences does an adverb modify an adjective? A. His appearance greatly affected Candace. B. Mark was dressed properly. C. Lucy danced tirelessly. D. His shirt was extremely tight.

    asked by Sarah
  57. Physics

    From the top of a cliff, a person uses a slingshot to fire a pebble straight downward, which is the negative direction. The initial speed of the pebble is 7.56 m/s. (a) What is the acceleration (magnitude and direction) of the pebble during the downward

    asked by Anonymous
  58. algebra

    The vendor of a coffee cart mixes coffee beans that cost $8 per pound with coffee beans that cost $4 per pound. How many pounds of each sould be used to make a 60-pound blend that sells for $5.25 per pound?

    asked by Barbara
  59. Science

    Choose the explanation that does the following: (1) identifies the element used in carbon dating and (2) explains why the element is used. A. iodine-131; iodine is present in the thyroid glands, is radioactive, and has a very long half-life B. nitrogen-14;

    asked by Anonymous
  60. Physics

    Your new designer chair has an S-shaped tubular metal frame that behaves just like a spring with the spring constant 13500 N/m. When your friend, who weighs 910 N, sits on the chair, how far does it bend?

    asked by erika
  61. math

    Indicate whether the following statement is True or False The number -3 is an integer and a rational number. True False Is the answer True?

    asked by Anonymous
  62. Math help, anyone?

    Solve by multiplying or dividing integers. 1. –4(3) 12 –12 2. 27 ÷ (–3) 9 –9 3. –40 ÷ 8 5 –5 4. 6(–5) 30 –30 5. 3(–3) 9 –9 6. –56 ÷ (–7) 8 –8 7. –7(–2)(2) 28 –28 8. 18 ÷ (–2) 9 –9

    asked by Princess Anna
  63. physics

    A hockey puck slides with an initial speed of 52.3 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.02, what is the speed of the puck after 11.8 s?

    asked by Confused
  64. Pre-Calc

    1.) Describe how the graphs of f(x) = |2x| and g(x) = -|2x| are related. a.) All of these. b.) The graph of g(x) is a reflection of the graph of f(x) over the y-axis. c.) Non of these. d.) The graph of g(x) is a reflection of the graph of f(x) over the x

    asked by Brooke
  65. Trigonometry

    Suppose a triangular silk scarf has both of its shortest sides 14 inches long. If the angle between these sides is 110º, what is the area of the scarf? Round your answer to the nearest tenth of a square inch. (Enter only the number.)

    asked by Molly
  66. Math.

    write an integer to represent a loss of 5 yards in football. –7 –5 5 7 Write the sum as a product, then simplify the product. (–8) + (–8) + (–8) + (–8) 2(–8) + 2(–8) = –30 4(–8) = –32 4(–8) = 32 5(–8) = –40 What is the value of

    asked by Anonymous
  67. Science

    Harold walked into his kitchen and noticed that the bowl of bananas he keeps in the corner had many fruit flies around it. When he reached the bowl, he noticed that one of the bananas had its peel partially pulled apart, and the fruit inside the peel had

    asked by Angela
  68. math

    Which of the following numbers is an example of an integer? A. -15 B. 3/5 C. √7 D. 0.252525 I choose answer A. Am I correct?

    asked by Anonymous
  69. English

    Main clauses express a complete thought and appear in _____ sentences. compound complex compound-complex all of the above

    asked by casey
  70. Physics

    A ball is thrown at 15.5 m/s at 42° above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it

    asked by Sophie
  71. Math

    Ivan has 5 times as may blue beads as red beads he has 49 red and blue beads in all. how man blue beads does he have ? I am a mother of a 4th graded I need help trying to help her understand how to do this cause I can't figure it out I know it's a 2 step

    asked by Jae'la
  72. Electrophoresis

    You need to prepare 400 ml of a 4M glucose solution. It's chemical formula is C6H12O6 and its formula weight (FW) 180.16. Must show all work and calculation and then list what you will mix together to prepare the correct amount of this solution. 180.16 of

    asked by Mia
  73. history

    Where does the least amount of rain fall in Europe? Portugal Spain England France

    asked by casey
  74. Math

    Which statement is false? A. Every integer is a real number*** B. The number zero is a rational number. C. Every irrational number is a real number. D. Every real number is a rational number Am I right about the a being the right answer? Thanks

    asked by Anonymous
  75. math problem (please help)

    Find the inverse function of f(x) = (7x-8)/(3x -1).

    asked by ada
  76. chem

    which of the following ions are formed when AgNO3 dissociates? a. O2- b. N3- c. AgN2- d. NO3- e. N2-

    asked by bekah
  77. english

    A prepositional phrase can function in a sentence as _____. an adverb phrase a noun phrase

    asked by casey
  78. Science

    I have two questions for 7th grade Science. I've been sitting here for a while, and I am behind in school work. Please Help. _____ is the practical use of scientific knowledge to solve everyday problems and improve lives ____ are used to make complicated

    asked by Jordyn
  79. math

    Indicate whether the following statement is True or False The number -3 is an integer and a rational number. True False Is the answer True?

    asked by anonymos

    an airplane and a helicopter leave an airport in montana at the same time.The aircrafts velocities:v=225mph@20 degree,and v=102mph@49 degree.If these velocities are maintained which craft will cross the borderinto canada first? or do they arrive at the

    asked by ren
  81. CHM 300

    Experiment: Redox titration;determination of ascorbic acid by an iodometric back-titration Why is sodium carbonate added to the thiosulfate solution ? why is the water used for preparing the thiosulfate solution boiled ?

    asked by Jennifer
  82. Math Problem (please help)

    A rectangular classroom seats 252 students. If the seats were rearranged with three more seats in each row, the classroom would have two fewer rows. Find the original number of seats in each row.

    asked by Ada
  83. Algebra HELP PLEASE

    Which is a solution to the equation y = 2x 5?

    asked by Sara
  84. Math(Algebra)

    Estimate the size of the bear population 50 bears, 1 year later 100 bears, 2 with taggs what is the estimated size of the bears can you Please wirite me the stepes so I cam understand what you did. Thank You so much foer your help.

    asked by Anonymous
  85. math

    Sarah earned some money taking care of a dog. She charged $8.50 for washing the dog and $7 for walking the dog. She spent $1.15 on shampoo to wash the dog. What was Sarah’s profit from taking care of the dog?

    asked by Anonymous
  86. ordering decimals from least to greatest

    what is the order of these decimals from least to greatest? -1.4 -1.45 -1.45... -1.455

    asked by help please
  87. physics

    A rocket moves upward, starting from rest with an acceleration of 25.0 m/s2 for 3.77 s. It runs out of fuel at the end of the 3.77 s but does not stop. How high does it rise above the ground I`ve been sick last week, not quite sure where to even start can

    asked by nicky
  88. math

    A train 100m long travelling at 72 km/h overtakes another train travelling in the same direction at 54sec. Find the length of the second train

    asked by Anonymous
  89. Microbiology

    What is the preferred method of sterilization for heat-sensitive solution? In addition, note a heat-sensitive solution that can be sterilized using the method you noted. a. Preferred method: b. Example:

    asked by Rose
  90. physics

    A robot probe drops a camera off the rim of a 387 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s2 . Find the velocity with which it hits the ground. Answer in units of m/s

    asked by Anonymous
  91. chemistry

    Use the following values for the arrows in the drawing: a = 185 J of heat; b = 45 J of heat; c = 115 J of work; d = 40 J of work; e = 65 J of work; and f = 190 J of heat. Find the change in the internal energy of object A only. Use the First Law of

    asked by korko
  92. Physics

    A baseball is thrown upward with a velocity of 15m/s. How fast is it moving after 2 seconds? I have no Idea how to begin and the formula he gave us isn't even related to the question at all. (V=vi+at)

    asked by HelplessFool
  93. Science-HELP?

    A map of Florida is an example of a(n) ________. *I researched this a little bit and I thought it might be peninsula. Can someone verify this for me please? There aren't any choices either.

    asked by Sam
  94. CHEM

    Identify the class of compounds that contains each of the following functional groups. a carbonyl group between two carbon atoms

    asked by M
  95. Algebra

    T-Riffic T shirts for a $20 design fee plus $8 charge per shirt printed, what is the algebraic rule?

    asked by Joan
  96. Pre-Calc

    1.) Find (f + g)(x) when f(x) = x + 2 and g(x) = x - 2. 2.) Find (f - g)(x) if f(x) = 2x - 5 and g(x) = 4. 3.) Given f(x) = 4 and g(x) = 2x - 1, find (f - g)(x).

    asked by Steffy

    Give the IUPAC name foR CH2-CH-CH3 CH2-CH2-CH2 | | | | CL CL CL CL CL | CL CH3-C-CH3 | | CH-CH2-CH3 CL | CL

    asked by M
  98. Pre-Calculus

    Help please If f(x)=8x and g(x)=2x+1 find (fog)(x) 16x^2+8x 16x+1 16x+8 10x+1

    asked by Anonymous
  99. Chemistry

    An aqueous solution of barium nitrate has a density of 1.09 g/cm3. The solution is 18.7% barium nitrate by mass. How many nitrate ions are present in 87.6 dL of this solution?

    asked by Cj
  100. Microbiology

    A patient with an active case of Mycobacterium tuberculosis (TB) was treated and released from the hospital. You are responsible to oversee the decontamination of the patient’s room. Explain why is it a concern if the beside roll-away table has dried-up

    asked by Rose
  101. us history

    1. How did racism impact African American lives during the Great Depression and their access to New Deal programs? 2. How were African Americans able to create cultural power and how this impacted stereotypes and assumptions about the black community? 3.

    asked by Lavanessa Young
  102. biology

    Why is the term, "evolution" applied to Charles Darwin even today? and Why and how does it apply to a cultural anthropology? -Thank you

    asked by Anonymous
  103. Math--1 question

    Which word phrase could represent the variable expression 3d + 5? Let d = Beth's age. five more than Beth’s age times three three times Beth’s age minus five five times Beth’s age plus three three minus Beth’s age times five

    asked by Anonymous
  104. english b

    Hughes received financial assistance from Charlotte Mason. In 1930, he broke away from Mason and her financial assistance to a. travel the world. c. to maintain his integrity. b. go back to college. d. to get married.

    asked by eliud
  105. Pre-Calc

    If you use the parent graph f(x)=x^2, how would you graph g(x)=(x-4)^2-2?

    asked by Taylor
  106. Science URGENT

    Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? A. 0.75 Hz B. 0.5 Hz C. 0.25 Hz D. 0.2 Hz

    asked by Erza
  107. arithmetic

    1700 lottery tickets are sold for $25 each, and one grand prize of $4100 is awarded. If you purchase one ticket, find your expectation per ticket

    asked by manasa
  108. chemistry

    Write the name of each of the following substituents CH 3 −CH 2 −

    asked by M
  109. math

    A man,a woman and a boy can complete a piece of work in 20,30 and 60 days respectively.How many boys should join 2 men and 8 women to complete the work in 2 days?

    asked by Nitumoni
  110. Microbiology

    How would you disinfectant a plastic chair surface contaminated with blood in the hospital? (Please note in detail the steps required for personal protection, initial clean-up, follow-up disinfection, and the disposal methods of contaminated items) a.

    asked by Rose
  111. Chemistry

    In order to identify a compound using TLC it is necessary to spot a sample of the pure compound. Why is this necessary?

    asked by Mor
  112. law

    Eagle Sales Company owns a warehouse, subject to a mortgage obtained from First National Bank. Separately, Eagle and First National obtain insurance policies from Good Hands Insurance, Inc., to cover the warehouse. Later, Eagle sells the property to

    asked by Anonymous
  113. Calculus

    2. The slope of the tangent line to the graph of the exponential function y=2^x at the point (0,1) is the limit of (2^x-1)/x as x approaches 0. Estimate the slope to three decimal places. My work: (-1,0.5) (-0.5,0.586) (-0.9,0.516) (-0.999,0.5) (0,empty)

    asked by Anonymous
  114. Global Business Management

    What are five global or regional trends that influence China? How do these trends affect marketing, finance, value chain, human resources, and economics, within China?

    asked by Anonymous
  115. Chemistry

    Doctors recommend that men get 11 g of zinc daily. How many moles of zinc are in 11 g? 0.20 moles 17 moles 1.70 moles 0.17 moles

    asked by Angela
  116. Microbiology

    How would you disinfectant a plastic chair surface contaminated with blood in the hospital? (Please note in detail the steps required for personal protection, initial clean-up, follow-up disinfection, and the disposal methods of contaminated items.) a.

    asked by Rose
  117. Microbiology

    Name a pathogenic bacterium (provide genus and species names) and the disease caused in humans that is typically spread by healthcare professionals in a healthcare facility due to improper techniques. In your explanation, provide an example how this

    asked by Rose
  118. Science

    Marquez is in the ocean on his surfboard. While waiting for the perfect ride, he notices that waves pass him about every 4 s. What is the frequency of the waves? 0.75 Hz 0.2 Hz 0.5 Hz 0.25 Hz

    asked by Anyomous
  119. Organic chemistry

    In order to identify a compound using TLC it is necessary to spot a sample of the pure compound. Why is this necessary?

    asked by Mor
  120. statistics

    A nutritionist was interested in determining the smoking status of her clients. She asked each of her clients to report his or her current smoking status: Smoker, Ex-Smoker, and Non-Smoker. Which of the following graphical techniques is the best way for

    asked by mike
  121. statistics

    Slf-Esteem Scoresdepression Scores Mean 3.43 15.78 StrdDev 0.75 10.34 The above chart contains the means and standard deviations for self-esteem scores and depression scores. Using this information and the most likely correlation coefficient obtained in

    asked by mike
  122. History

    Does the Eastern Orthodox Church use the Gregorian Calendar?

    asked by Anonymous
  123. History

    Where was Christianity founded? In present-day Palestine?

    asked by Anonymous
  124. math

    Which equation is equivalent to 3x + y = 5? (Points : 1) y = 5 3x y = 5 + 3x y = 3x 5 y = 3x 5

    asked by Sara
  125. Pre-Calc

    Describe the difference between transformations and nonrigid transformations.

    asked by Lori
  126. chemistry

    An electrical heater delivers 4.070 kJ of energy (as heat) to a system consisting of the gas inside a cylinder having a movable piston. As a result, the piston moves against a constant external pressure such that P ∆V = 2.442 kJ. What is the change in

    asked by korko
  127. Math Problem (please help)

    Find the following. f(x) = 7x − 9, g(x) = 8 − x A:(f + g)(x) = B:(f − g)(x) = C:(fg)(x) = D:(f/g)(x) =

    asked by Ada
  128. Microbiology

    Name a pathogenic endospore-forming bacterium (provide genus and species names) which can be associated with improperly canned beans. Note what method is used to process canned beans. If the canned beans are not properly processed and these pathogenic

    asked by Rose
  129. CHEM

    In the preparation of a rock salt solution, 1.522 grams of impure rock salt was dissolved in 50.0 ml of distilled water. The total mass of the solution was found to be 51.522 grams. Calculate the weight percent of impure rock salt in the prepared solution.

    asked by julia
  130. math problem (please help)

    Find ( f + g)(x). f (x) = 3x^2 – 2 g(x) = 2x^2 – x – 2 a. ( f + g)(x) = x^4 + x b. ( f + g)(x) = 5x^4 – x – 4 c. ( f + g)(x) = x^2 + x d. ( f + g)(x) = 5x^2 – x – 4 e. ( f + g)(x) = –5x^2 + x + 4

    asked by ada
  131. Chemistry

    Dalton discovered electrons inside of atoms by using thermal energy. Thompson discovered electrons inside of atoms by using cathode rays. Thompson discovered electrons inside of atoms by using X rays. Dalton discovered electrons inside of atoms by using

    asked by Angela
  132. Anthropology

    Why is the term, "evolution" applied to Charles Darwin even today? and Why and how does it apply to a cultural anthropology? -Thank you

    asked by Anonymous
  133. History

    What messages did Muhammad receive from the angel on ethics?

    asked by Anonymous
  134. sat

    12 pitchers and 3 pitcher's is left handed, one radom chosen what probability the pitcher is left handed?

    asked by Anonymous
  135. Pre-Calculus

    Hello! I need help with these 2 questions: 1.) Describe how the graphs of f(x) = |2x| and g(x) = -|2x| are related. a.) All of these. b.) The graph of g(x) is a reflection of the graph of f(x) over the y-axis. c.) Non of these. d.) The graph of g(x) is a

    asked by Paris
  136. Pre-Calc

    1.) If you use the parent graph y=sqaureroot of x as a reference, how would you graph y=sqaureroot of x+2+5? a.) Move the parent graph two units to the right and then up five units. b.) Move the parent graph two units to the left and then up five units.

    asked by Andrew
  137. Physics

    A horizontal force of 3,000,000 dynes can keep a 50 kg mass in uniform motion. What is the coefficient of the kinetic friction? At what angle must the plane be tilted to allow the mass to slide?

    asked by Ked
  138. word processing

    Which sentence uses a comma correctly? A. She wanted to be an astronaut, after finishing school. B. Thank you for returning my call, Mary. C. He would like to order the steak, and fries. D. Jim grabbed a bottle of ketchup, to go with his fries.

    asked by cindy
  139. Chemistry

    A car moving in a straight line at an average speed of 55.0 mi/hr for 4.25 hr has traveled _____. 234 mi 15 mi 13 mi 220 mi

    asked by Angela
  140. chemistry

    how many ml of polyurethane and catalyst for the ratio of 7:1 if I have 30cm width,98cm lenghth and .2cm height?

    asked by ezekiel
  141. Abstract Algebra

    If G is a group with exactly 66 elements of order 14, how many subgroups of order 14 does G have?

    asked by Ashley
  142. Math

    Simplfy the following 10.2*1.4/4.8

    asked by Nuwel
  143. math

    if I have a 100,000 @8% how much would the payments be and for how long?

    asked by DeLoris
  144. Math

    I already know the angle of Eastdale which is 45° due to the turn from due east to the northwest. So therefore so I need to find the measures of angle c and angle n. I can use the Law of Sines. sin‹C/c=sin‹E/e sin‹C/18=(√2/2)/12.7308

    asked by Alex
  145. history

    where did the lip piercing begin?

    asked by casey
  146. French

    How do you give orders to someone in French using their name? Is this done in the same construction as in English?

    asked by Anonymous
  147. English

    What are some similarities and differences between the poems "i sing of Olaf glad and big" and "Night, Death, Mississippi"?

    asked by Aly
  148. Science

    Your family is going to have a contractor build a pool in your backyard. Your mom wants to make this a learning experience, so she asks you to find the mass of the water that will fill the pool. She has told you that the pool holds 75,700 L of water, and

    asked by Angela
  149. Microbiology

    If you are formulating a new chemical disinfectant for bacterial control in the home, note two factors that you would take into consideration when designing this disinfectant. a. b.

    asked by Rose
  150. Microbiology

    Explain why regular hand soaps are good de-germing agents but poor antimicrobial agents

    asked by Rose
  151. Pre-Calc

    1.) If f(x) = 3x + 5 and g(x) = 5 - x, then g(f(x)) = 10 + 3x. True or False? My answer: True 2.) If f(x)=x+2 and g(x)=4-x^2, then f(g(x))=-x^2+6? True or False? My answer: False 3.) If f(x)=x^2 and g(x)=x-1, then f(g(x))=(x-1)^2, which is x^2-2x+1 when

    asked by Tina
  152. Math Homework

    1.) If f(x)=x^2 and g(x)=4x-5, then fg(x)=4x^3-5x^2? True or False? My answer: True 2.) If f(x) =1/x and g(x)=1/x^2, find (g/f)(x). My answer: I need help with this one.

    asked by Molly
  153. Music

    What is the name of the pitch that is a fifth above B flat?

    asked by Faye
  154. HISTORY

    In the Seven Years’ War, Spain fought on the side of France right? Native Americans were unable to resist successive waves of European immigrants at least partially because they were divided among themselves. this is true right?

    asked by Anonymous
  155. Science: Acids that affects the tooth enamel

    I know phosphorus and amino acids has their roles with affecting the tooth enamel, but is there other acids that can help or destroy the tooth enamel? Thank You in advance.

    asked by losa
  156. Science

    The force of 100dynes acts on a mass of 50 grams for 10 seconds. Find the change in moentum

    asked by Jeyanthi
  157. Math

    Is 2340 divisible by 90 and what is the divisible numbers for my question

    asked by Jacob kelley
  158. Algebra 2

    Y-1/x+3 =3/4 Can you explain your teps. Thank you

    asked by Anonymous
  159. workshop

    How will you apply these concepts in your educational, personal, or professional pursuits?

    asked by Anonymous
  160. faith academy

    kindly explain the 2 major environments in social studies

    asked by victoria
  161. english

    essay on my dreams and fair

    asked by sushmita
  162. ratios

    1/4 to 1/3? 1/4:1/3

    asked by Bobby