Questions Asked on
June 3, 2014

  1. Chemistry

    The first order rate constant is 1.87 x 10^-3 min^-1 at 37°C for reaction of cisplatin. Suppose the concentration of cisplatin in the bloodstream of a patient is 4.73 x 10^-4 mol/L. Calculate the concentration exactly 24 hours later.

    asked by Veronica
  2. Algebra 1--Please, check my answer!

    Connor and Matt walks a 12-mile course as part of a fitness program. Matt walks 1 mi/h faster than Connor, and it takes him 1 hour less than Connor to complete the course. How long does it take Connor to complete the course? A: It takes Connor 4 hours to

    asked by Victoria
  3. History

    I still need help with what ethical dimensions are, I understand that it's 'the scope of right and wrong''the extreme of right and wrong' but I don't understand how to apply that to my question, which is what are the ethical dimensions of bill 94? Bill 94

    asked by Al
  4. Pre alegabra

    There are 14 nickels, 10 dimes, 6 quarters, and 22 pennies, what's the probability I will pick a dime from the jar?

    asked by Adrianna
  5. Chemistry

    The potassium salt of benzoic acid, potassium benzoate, KC7H5O2, can be made by the action of potassium permanganate on toluene, C7H8. C7H8 + 2 KMnO4 --> 2MnO2 + KOH + H2O If the yield of potassium benzoate cannot be realistically be expected to be more

    asked by Veronica
  6. math

    The sum of two numbers is 45 and the mean proportional betweem them is 18.the numbers are

    asked by Tooba
  7. social studies

    what is an amendment? Why is it important that the constitutional convention provided for amendment?

    asked by cathy
  8. biology

    if a population comprised 52 AA, 114 Aa and 34 aa individuals and the 'A' allele was dominant, what would be the genotype, allele, and phenotype frequencies be

    asked by julie
  9. Chemistry

    dinitrogen pentoxide n2o5 decomposes by a first-order decomposition in chloroform solvent to yield NO2 and O2. The rate constant at 45°C is 6.2 x 10^-4 mins^-1. Calculate the volume of O2 obtained from the reaction of 1.00 mol N2O5 at 45°C and 770 mmHg

    asked by Veronica
  10. calculus

    Multiple choice: An airplane flying due east at 539 mph in still air, encounters a 61-mph tail wind acting in the direction 45 degrees north of east. The airplane holds its compass heading but because of the wind acquires a new ground speed and direction.

    asked by lon
  11. Physics

    Q1: Find the frequency of revolution of the electron in the classical model of the hydrogen atom.In what region of the spectrum are electromagnetic waves of this frequency?? Q2:A beam of 13.o electrons is used to bombared gaseous hydrogen.What series of

    asked by Shah Rukh
  12. Algebra 1--Please, help me!

    1. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How many cups of orange juice should Maria add to th mixture? A: ? Determine whether the trinomial is a

    asked by Victoria
  13. Algebra 1--Please, help me!

    1. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How many cups of orange juice should Maria add to th mixture? A: ? Determine whether the trinomial is a

    asked by Victoria
  14. Physics

    A wind turbine has blades that sweep an area of 2000m2. It converts the power available in the wind to electrical power with an efficiency of 50%. What is the electrical power generated if the wind speed is 10ms–1? (The density of air is 1.3 kg m–3.)

    asked by Me
  15. accounting

    The following financial data were taken from the annual financial statements of Smith corporation: 2007 2008 2009 Current assets $450,000 $400,000 $500,000 Current liabilities $390,000 $300,000 $340,000 Sales $1,450,000 $1,500,000 $1,400,000 Cost of goods

    asked by yousef
  16. English

    Are sitcom titles italicized or underlined?

    asked by Anonymous
  17. Algebra 1--Please, check my answer!

    Solve. Check your answer. 1. ((1)/(x)) = ((2)/(x^2)) A: x = 2

    asked by Victoria
  18. Algebra 1

    Solve. Check your answer. 1. ((d + 2)/(d + 8)) = ((-6)/(d + 8)) A: ?

    asked by Victoria
  19. statistics

    An 8th grade history teached studied the statistics for her mid-term exam. The average grade for the mid-term was 84 points, and the standard deviation was 8 points. The Z-score for a student who scores 90 on the exam is: 84-90/8= -0.75

    asked by Jodi
  20. algebra

    which data set represents an increasing linear function? a) (1,-2),(3,1),(5,4),(7,7) b) (1,1),(2,0),(3,-1),(4,-2) c) (1,-3),(3,5),(5,11),(7,18) d) (1,17),(2,15),(3,11),(4,3) my answer: c) (1,-3),(3,5),(5,11),(7,18)

    asked by gracie
  21. algebra

    if t equal tip and meal meal write a function using a 13% tip

    asked by Anonymous
  22. Physics

    Q1:Find the phase and group velocities of the de Broglie waves of an electron whose kinetic energy is 500kev?

    asked by Shah Rukh
  23. Meiosis and mitosis

    How does the number of chromosomes in a sex cell produced by meiosis compare with the number of chromosomes in the parent cell? Why is this difference important?

    asked by Plzz help me
  24. geometry

    Two tangents drawn to a circle from an external point intercept a minor arc of 150°. What is the measure of the angle formed by these two tangents?

    asked by teo
  25. Algebra 1 (Reiny)

    I'm sorry but I'm confused about the steps you took in the part of the equation that you began to solve for me. Maria has 8 cups of a fruit punch that consists of 25% orange juice and 75% apple juice. She wants to make a drink that is 40% orange juice. How

    asked by Victoria
  26. english

    In the sentence below, identify the adverb clause, subordinating conjunction, and the word(s) modified. Colleen went to bed early since she had a test tomorrow.

    asked by cracker
  27. Algebra 1 (Reiny)

    1. ((d + 2)/(d + 8)) = ((-6)/(d + 8)) A: ? 2. 4/n^2 = 7/n + 2 A: n = -4 or n = 1/2? 3. 2/t + 4/3t = 4/t + 2 A: t = 10? 4. ((x -6)/(x^2-6)) = ((-4)/(x-4)) A: ?

    asked by Victoria
  28. pre calculus

    Find a cubic function with the given zeros. -2, 5, -6 help me please

    asked by Nana
  29. Math

    If the height of an equilateral triangle is 9, what is its area? F. 27 G. 54 H. 81 J. 27 sqrt(3) K. 54 sqrt (3)

    asked by Anonymous
  30. Algebra 1 (Reiny)

    1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? A: Working together, Dustin and his sister can shovel

    asked by Victoria
  31. statistics

    In a class of 100 ,84% of the students have taken politics &16% of student have taken history.how many students have taken both subject of all the students take at least one of these subjects?

    asked by roma
  32. statistics

    In how many ways can 24 identical white ball and 19 black ball be arranged in rows so that no black balls are together.

    asked by roma
  33. Chemisty

    blanced equation for MgSO4(aq) + BaCl2(aq) describing any precipitaion reaction

    asked by Carmen
  34. math!!

    A 9-pack of toy cars costs $8.58. What is the unit price, rounded to the nearest cent?

    asked by nick
  35. English! - Help!

    Can someone help me with these? My answer has a "***" next to it. 1. What do you think the narrator of “The Gift of the Magi” considers as having real value? (1 point) the protagonists' hard work the protagonists' wisdom the protagonists' possessions

    asked by Sandy East Ward
  36. Math

    Solve Y=-0.02x^2+1.3x+8

    asked by Elijah
  37. Chemistry

    The conjugate acid in the reaction described in HCl(g) + NH3(aq) → NH4 +(aq) + Cl- (aq) is A. HCl(g). B. NH3(aq). C. NH4+ (aq). D. Cl-(aq). I think its B or C?

    asked by Angela
  38. Math

    What is Numerical expression of nine increased by ten

    asked by Nobaisah
  39. algebra

    solve using the addition principles; -8+y=17

    asked by Lisa
  40. Chemistry

    Which of the following is true about indicators? A. They are weak acids or bases. B. They are as accurate as a pH meter. C. They maintain their colors across the range of pH values for which they are used. D. all of the above is it A???

    asked by Angela
  41. Pre-Algebra

    n(n-1)-4 How do I solve stuff like this?

    asked by Jess
  42. history PLEASE checkk

    1. How are the education improvement act of 1984 and the education accountability act of 1998 similar? A. Both acts require students to take the Palmetto Challenge Achievement Test. B. Both acts require students to pass an exit exam to obtain High School

    asked by what
  43. math

    Copy of Consider the charged particle S2- Match the first column with the correct number in the second column. Note: •The same number may be used more than once, if necessary.. •Not every number will be used.

    asked by Anonymous
  44. statistics

    Between 50 and 80 people are hired on a ship. 75% speak English only and 25% speak German only. What is the mean number of people that speak English only? Can this even be calculated?

    asked by Pete
  45. Geography

    For each of the following actions, state one or more of the three principles of sustainability that are involved: Reliance on solar energy/ Biodiversity/ Chemical cycling 1. Taking your own reusable bags to the grocery store to carry your purchases home 2.

    asked by JAmes liu
  46. History check?

    1. How did television most likely alter the attitude of the american people toward the Vietnam war? A. It showed the living conditions of soldiers, which upset the american people. B. It showed the new air and naval resources, and the size of the ships and

    asked by what
  47. History

    1. During the 1970s, many south Carolinians favored improving relations with the soviet union because it would A. end American involvement in Vietnam B. decrease the risk of nuclear war*** C. put greater pressure on china D. escalate the arms race. 2. Why

    asked by what
  48. Chemistry

    dinitrogen pentoxide n2o5 decomposes by a first-order decomposition in chloroform solvent to yield NO2 and O2. The rate constant at 45°C is 6.2 x 10^-4 mins^-1. Calculate the volume of O2 obtained from the reaction of 1.00 mol N2O5 at 45°C and 770 mmHg

    asked by Veronica
  49. Calculus

    A rectangular box has a square base whose edge has length at least one centimeter, and its total surface area is 600 cm2. What is the largest possible volume that such a box can have? V = 500 in3 V = 750 in3 V = 900 in3 V = 1,000 in3

    asked by bex
  50. Physics

    A 10.0N frictionless pulley is suspended from an overhead supported by a chain. two weights suspend off the pulley. One weight is 30.0N and the other is 20.0N. (a) What is the tension on the rope? (B) what is the acceleration of the weights? (c) what is

    asked by Anonymous
  51. Physics

    A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to

    asked by Anonymous
  52. Physics

    Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and

    asked by Anonymous
  53. Physics

    Consider the 52.0-kg mountain climber in the figure to the right. Find (a) the tension in the rope and (b) the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted

    asked by Anonymous
  54. travis

    What is the IMA of this simple machine if A=5m B=11m, and C=12m

    asked by Anonymous
  55. Math

    An ice cream shop offers 7 toppings. How many 4-topping ice cream sundaes can you make? A)11 B)28 C)30

    asked by Skye
  56. science (check!)

    Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between the starfish and green snake? a. sequence the same gene in both species to compare their similarity. b. dissect specimens of both

    asked by Me
  57. Suggestions?

    How would you open a speech, speaking about suicide?

    asked by Mstv
  58. Algebra 1--Please, help me!

    1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? A: Working together, Dustin and his sister can shovel

    asked by Victoria
  59. English

    I'm writing an article for my english exam prep, and my main topic that i went off of was the relationship between school, homework and stress on teenagers (the exam prep topic is relationships) in the article I talk about how homework is a large stress in

    asked by Al
  60. Geometry

    The diameter of circle C is 18 cm. measurement of arc AD is 60°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use 3.14 as pie)

    asked by Sarah Musselman
  61. Algebra/can you ck my anwers

    A class obtained the following scores on a test. Test Score Frequency 90 2 80 5 70 10 60 3 50 3 40 2 Find the mean, the median, the mode, and the range for the class. (If an answer does not exist, enter DNE.) 2(90)+5(80)+10(70)+3(60)+3(50)+4(40)than divide

    asked by Mary Ann
  62. Science Plzz Help

    12. Which of the following types of pathogens can only reproduce itself if it takes over host cells? A. fungi B. bacteria C. virus D. protozoa****

    asked by Mstv
  63. history

    How has South Carolina changed politically since the 1970's? A. County governments were eliminated B. Race has become the most important political issue C. The Democratic Party has gained more power in the state D. The republican party has gained more

    asked by what
  64. Algebra 1--Please, help me!

    Please, will someone check my answers and help me solve the other questions? 1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if

    asked by Victoria
  65. Choose the term to complete this sentence?

    1 Describes how likely it is that an event will happen based on all the possible outcomes. Theoretical probability or Experimental probability

    asked by nonononono
  66. science (help)

    a portion of amino acid sequence of an enzyme froma worm is shown below -Q-Q-Q-N-N-N-C-C analyze the same portion of the same enzyme taken from several other organisms place them is order from most closely related to the worm to the most distantly related

    asked by Me
  67. fixed question (science check plz)

    A portion of the amino acid sequence of an enzyme from a worm is shown below. -Q-Q-Q-N-N-N-C-C Analyze the same portion of the same enzyme taken from several other organisms. Place them in order from most closely related to the worm most distantly related

    asked by Me
  68. Science Please Help Me

    1.A weatherman reports, “The storm waves are about 2 meters high and about 35 meters apart.” What properties of waves is the reporter describing? (1 point) A.frequency and wavelength B.wavelength and wave speed C.amplitude and wavelength D.amplitude

    asked by Sarr3
  69. math

    a clock reads 4:00 pm. how many degrees will the minute hand turn in 15 minutes?

    asked by Anonymous
  70. math

    In the word ' home work what percent of the letter are 'o'

    asked by vimmi
  71. Math

    Two values of m satisfy the equation |5m - 11 | - 3m = 9. What is the result when you multiply these two values together? F. 2.5 G. 2.75 H. 3.2 J. 3.75 K. 4.25

    asked by Anonymous
  72. Probability???

    The probability of a CD case being defective is 1/520. If the factory makes 7,800 cases per week, how many are likely to be defective? I don't understand this its so confusing :(

    asked by nonononono
  73. Scientific nottion

    3x10`6 square meters

    asked by Anonymous
  74. Scientific notation

    a rectngler section of land made of wheat farms has a length of 5 x 10`4 meters and a width of 6 x10`3 meters. What is the area of land in square meters?

    asked by Anonymous
  75. Algebra 1

    1. A chemistry student needs to make a solution that is 70% water and 30% hydrochloric acid. The student's current mixture of 300 ml is 60% water and 40% hydrochloric acid. How much water must the student add to achieve his desired solution? A: ? 2. 5. 2/t

    asked by Victoria
  76. word problem?

    In a random survey, 8 out of 18 students Would rather go to an amusement park than to the zoo. In a group of 225 students, how many students can you expect to prefer the amusement park?

    asked by nonononono
  77. Physics

    I know this is long but can someone just explain it to me? Please? Don't have to give the answer, I'm just confused :( 1. An experiment was devised to investigate the effects on the temperature of a cup of hot tea when lemon juice is added at different

    asked by Martha
  78. Algebra 1--Please, help me!

    Mulitply ((n-5)/(n^2 - 2n -3)) / ((n-3)/(n^2 -4n - 5)).

    asked by Victoria
  79. ly and solve for x.

    8/18 = x/225 I don't understand :(

    asked by nonononono
  80. Scientific notation

    a microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus as a diameter of 2 x10`-7 meter. ow Large will the diameter of te virus appear when it is viewed under te microscope?

    asked by Anonymous
  81. Science

    1. Which of those traits are inherited by a dog? J. barking to go outside K. a preference for certain dog food L. the color of its eyes M. walking on a leash 2. during which stage of its life is a moth most likely to damage clothes? J. egg k. larva l. pupa

    asked by dddd47906
  82. Math ~ Check Answers ~

    Explain how to write a function rule from the table below. Then write a function rule. X: 2 | 4| 6 | And: 1 | 0 | -1 | My Answer: y = -1/2 x But, -1/2 (2) = -1, and y(2) = 1, so we need to add 2 at the start. So, y = 2 - 1/2 x

    asked by Chloé
  83. Math

    If f(x) = x^2 + 9 and g(x) = 24 + 4x, what is the value of f(4) / g(-1)? F. 0.75 G. 0.8 H. 1.2 J. 1.25 K. 1.75

    asked by Anonymous
  84. If 12 people are playing in a tournament and?

    If 12 people are playing in a tournament and each person plays every other person, how many games will be played?

    asked by nonononono
  85. Chemistry

    Complete and balance the reactions A) (CH3)2NH(aq)+CH3COOH(aq)→ B) CH3CH2NH2(aq)+HBr(aq)→ C) CH3NH2(aq)+HCOOH(aq)→

    asked by Tim
  86. Physics

    A 15.0 kΩ resistor is hooked up to a 45.0 V battery in a circuit with a switch. a.) What is the current flowing through the resistor? b.) What is the power dissipated by the resistor?

    asked by Me and I
  87. Chemistry

    Calculate the heat formation: 4NH3(g)+502(g)+6H2O(l) ↑ ↑ ↑ Small numbers that go on the bottom. (Sorry, I do not have such a good phone)

    asked by CooKieBear
  88. physics

    A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to

    asked by Anonymous
  89. Algebra

    A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 10(1.02)n Part A: When the scientist concluded his study, the height of the plant was

    asked by Cassie
  90. chemistry

    Calculate the molality of sulphuric acid solution in which mole fraction of water is .85

    asked by swastika
  91. physics

    A pilot is flying from City A to City B which is 300 km [NW]. If the plane will encounter a constant wind of 80 km/h from the north and the schedule insists that he complete his trip in 0.75 h, what air speed and heading should the plane have?

    asked by alpres
  92. Physics

    Help me with this question, please How will the total voltage of a string of light bulbs in series change as you add more bulbs to the string? A. The total voltage will decrease B. The total voltage will stay the same C. The total voltage will increase d.

    asked by Me and I
  93. Math

    Given the function rule f(x) = x2 - 5x + 1, what is the output of f(-3)? A. 7 B. -5 C. 25 D. 5 I think its 7, can you check please? Thanks!

    asked by Sebby-Chan
  94. Chemistry

    Consider the reaction HCHO(g) *) H2(g) + CO(g). 1.0 mol of HCHO, 1.0 mol of H2 and 1.0 mol of CO exist in equilibrium in a 2.0 L reaction vessel at 600C. a) Determine the value of the equilibrium constant Kc for this system. 2.0 moles of HCHO and 1.0 mol

    asked by Susan
  95. Chemistry

    I: The standard reaction free energy at equilibrium is zero. II: A reaction stops when the equilibrium is reached. III: An equilibrium reaction is not affected by increasing the concentrations of products. Which of these statements is/are true?

    asked by Susan
  96. Math

    The ratio of adults to girls to boys on a class field trip was 1:4:5. If the trip included 6 more boys than girls, how many adults were with the group? A. 3 B. 4 C. 6 D. 8 E. 12

    asked by Anonymous
  97. Writing

    What is love? How do we sustain it? Make a 8 sentence long paragraph with 3 similes and 4 metaphors answering the questions above. Put the similes and metaphors in ( ).

    asked by Alissa
  98. physics

    A lifeguard who can swim at 1.2 m/s in still water wants to reach a dock positioned perpendicularly directly across a 550 m wide river. If the current in the river is 0.80 m/s, how long will it take the lifeguard to reach the dock? If instead she had

    asked by grey
  99. Physics

    am i correct? An electric oven has a resistance of 10.0Ω and a voltage of 220 V. How much current does it draw? A. 2.2 A B. 22 A

    asked by Me and I
  100. physics

    Jack is driving with a pail of water along a straight pathway at a steady 25 m/s when he passes Jill who is parked in her minivan waiting for him. When Jack is beside Jill, she begins accelerating at the rate of 4.0 × 10−3 m/s2 in the same direction

    asked by grey
  101. physics

    An airplane requires 420 m of runway to take off from an airstrip. If the plane starts from rest and it takes 32 s to lift off, with what velocity does it leave the ground? What was the average acceleration of the plane?

    asked by grey
  102. Physics

    Calculate the maximum deceleration of a car that is heading down a 30.0° slope (one that makes an angle of 30° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and

    asked by Anonymous
  103. physics

    The above graph represents the motion of two vehicles: A and B What is the acceleration of vehicle A during the first 5.0 s? Calculate the distance between vehicle A and B after 6.0 s? What is the instantaneous acceleration of vehicle A at the 10.0 s mark?

    asked by grey
  104. Math

    list three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11

    asked by Chloé
  105. physics

    Calculate the average velocity for a remote controlled vehicle that starts with a speed of 1.0 m/s [forward] and then accelerates at 0.08 m/s2 [backward] for 4.0 s.

    asked by grey
  106. statistics

    the breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25. The material is considered defective if the breaking strength is less than 113 pounds. What is the probability that a single,

    asked by Anonymous
  107. physics

    Sarah is pushing a 10 kg buggy and exerts a force of 100 N along the handle. If the handle is elevated at 37° to the horizontal, determine the component of the force that will move the buggy forward. If a frictional force of 60 N exists as she pushes it

    asked by grey
  108. statistics

    the breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25. The material is considered defective if the breaking strength is less than 113 pounds. What is the probability that a single,

    asked by leelee kay
  109. statistics

    Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) 60 14 24 35 22 37 14 23 19 33 15 16 50

    asked by leelee kay
  110. math

    The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 125 and a variance of 25. The material is considered defective if the breaking strength is less than 113 pounds. What is the probability that a single,

    asked by leelee kay
  111. Math - Data Management

    If we take a sample of 2400 families with five children, a) what is the probability that a family will have exactly 2 girls? b) How many of the families would you expect to have exactly two girls?

    asked by Abbey
  112. social studies

    How did the Fugitive Slave Act and the Kansas-Nebraska Act further divide the North and South? What role did the concept of popular sovereignty play in these conflicts? Do you think there was any way to avoid the violence that came out of this era?

    asked by Chloé
  113. math

    Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of $42,650 with factory and dealer rebates of $5,100 a-Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest

    asked by leelee kay
  114. math

    Find the monthly payment for the loan. (Round your answer to the nearest cent.) $400 loan for 12 months at 14%

    asked by leelee kay
  115. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.37 x 10−5 (10 to the -5 power) watts/cm2(squared)

    asked by leelee kay
  116. math

    Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or combination notation, if possible, and, finally, answer the question. A club with 34 members is to select five officers

    asked by leelee kay
  117. math -logarithm

    Use the definition of logarithm to simplify each expression. log10 10,000 log10 10 log10 10−4

    asked by leelee kay
  118. math -logarithm

    Write the equations in logarithmic form. (a) 729 = 93(9 to the 3rd power) (b) 25 = 1/5 −2( 1/5 to the -2 power) a = bc ( c squared)

    asked by leelee kay
  119. math

    Solve the equations by finding the exact solution. 4 = x − 4

    asked by leelee kay
  120. math

    Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 60 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

    asked by leelee kay
  121. math

    An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $425,000. If only natural gas is hit, the income will be $155,000. If nothing is hit, there will be no income. If the

    asked by leelee kay
  122. Math

    A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292

    asked by Anonymous
  123. physics

    A fisherman who lives in a high rise apartment building in Toronto, weighs a fish on a spring scale and records a 11.2 N reading. He reweighs the fish while he is in his elevator and records a reading of 13.1 N. What is the acceleration of the elevator at

    asked by grey
  124. Math

    Given a 30 meter x 60 meter garden with a circular fountain with a 5 meter radius, calculate the area of the portion of the garden not occupied by the fountain. 30 x 60 = 1800 3.14 x 25 = 78.25/2=39.125 1800 - 39.125 = 1,760.875 but this is incorrect The

    asked by Pope
  125. meiosis and mitosis

    What are the similarities and differences between mitosis and meiosis? To help you answer the question,

    asked by Plzz help me
  126. Geometry

    In quadrilateral ABCD, we have AB = BC = CD = DA, AC = 14, and BD = 48. Find the perimeter of ABCD.

    asked by Sheenybeany
  127. science

    An object is thrown up with a velocity 30m/s. If the acceleration due to gravity is 10m/s2. Cal. I) its velocity after 2s. II) the maximum height reaches. III) the time taken for the take object to come to rest.

    asked by George
  128. Geometry

    Find the area of a parallelogram with sides of length 6 and 8, and with an interior angle with measure 45 degrees.

    asked by Sheenybeany
  129. Physics

    Help me with this please A 10.0 Ω resistor is in parallel with a 20.0 Ω resistor and supplied by a 9.00 V battery. What is the total current passing through the circuit? A. 0.38 A B. 0.75 A C. 1.35 A D. 6.00 A

    asked by Me and I
  130. math

    x – 3y = 25 x – 2y = 21 find the x and y values i think x=-13 and y=4 am i right?

    asked by tom
  131. Lake Arbor Elementary

    Marjorie has 28 feet of trim to use as edging on a rectangular blanket she wants to make. What is the length and width of two blanket sizes she could make

    asked by Kemi
  132. MATH Graph

    Sketch the graph of line y=1/2x+1

    asked by Anonymous
  133. MATH

    Slope : 3/2; y-intercept : (0,3)

    asked by Anonymous
  134. Chemistry

    I posted this question before and the answer is suppose to be 6.8 L but I keep getting 6.12 L dinitrogen pentoxide n2o5 decomposes by a first-order decomposition in chloroform solvent to yield NO2 and O2. The rate constant at 45°C is 6.2 x 10^-4 mins^-1.

    asked by Veronica
  135. math 1 question!!!!!!

    Tasha is going on a picnic. The probability that it will be sunny is 2/3. The probability that someone will bring potato salad is 7/9. What is the probability that it will be sunny and that someone will bring potato salad? 1/9 4/27 14/27 6/7

    asked by Anonymous
  136. math 1 question!!!!!!

    A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292 1440

    asked by Anonymous
  137. Physics

    One 10.0 Ω resistor is wired in series with 10.0 Ω resistors in parallel. A 45.0 V battery supplies power to the circuit. What is the total current through the circuit? A. 3.0 A B. 1.5 A C. 0.75 A D. 0.33 A

    asked by Me and I
  138. math

    Direct variation Y is proportional to x. Use the x value & y value to find a linear model that relates y and x. x=5, y=9 X=11, y=1.5

    asked by Anonymous
  139. Chemistry

    Check my answer please? A reaction requires 22.4 L of gas at STP. You have 45.0 L of gas at 100 kPa and 373 K. Which of the following statements is true? The gas constant is 8.31 L-kPa/mol-K. You will have an excess of gas and the reaction will occur.

    asked by Anon
  140. math 1 question!!!!!!

    Which is equivalent to the expression shown when a > 0 and b > 0? -21a^2b/35ab A. 3a/5 B. -3a/5 C. -3ab/5 D. 3a/5b

    asked by Anonymous
  141. math 1 question!!!!!!

    Which situation best represents a proportional relationship? (1 point) Kelly sold 2 rings for $3 and 3 rings for $6.

    asked by Anonymous
  142. Physics

    What is the equivalent resistance of a parallel circuit with a 5.0 kΩ resistor, a 2.5 kΩ resistor, and 10.0 kΩ resistor? A. 0.10 kΩ b. 0.83 kΩ c. 10 kΩ d. 1.4 kΩ e. 18 kΩ

    asked by Me and I
  143. MGT

    What is a project stakeholder? What are some examples of project stakeholders?

    asked by james
  144. physics

    A ball on the end of a string is moving in a horizontal circle. If the centripetal acceleration of the ball is 12 m/s2, while it is travelling at 3.0 m/s, what would the acceleration be if its speed increased to 4.0 m/s. Assume that the radius of rotation

    asked by grey
  145. Chemistry

    Label each of the following as endothermic or exothermic A.) Products are more stable than reactants B.) Kinetic energy is converted into potential energy C.) Evaporation D.) Combustion E.) Water freezes F.) Heat seems to disappear

    asked by Dominique
  146. math

    Frank was a jacket that cost $60 ESA $43 what is the fraction of the amount that he that he needs to saved

    asked by frank
  147. Physics

    Am i correct? If a 10.0 kW device pulls 20.0 A of current, what voltage exists across it? A. 5.0 *10^0 V B. 5.0 *10^1 V C. 5.0 *10^2 V D. 5.0 *10^3 V

    asked by Me and I
  148. Geometry

    Is it possible for AB =10 BC =2x+5 AC =5x given that point B is midpoint why or why not

    asked by Kaya
  149. math

    draw a picture showing 4 pencils and a number of pens in which the ratio of pencils to pens is 2:3.

    asked by faith
  150. Math

    5x^4=5x Can you please help

    asked by Kiki
  151. math

    Stuart estimates that he will need $25000 to set up a small business in 7years.How much must stuart invest at 12% interest compound quarterly to achieve goal?

    asked by Anonymous
  152. math

    The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Determine the angle of elevation (to the nearest degree) from

    asked by Anonymous
  153. math

    simplify as much as possible. Assume that all variables represent positive real number 4x√32xv^2 + v√2x^3

    asked by Anonymous
  154. Math

    X^4+9x^3+9x^2= -81x Is it 0,-9,-3, and 3

    asked by Kiki
  155. linear math

    Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4

    asked by Anonymous
  156. random question about writing

    Im very bad at writing and my grammar is very bad too. can any writing tutor gave me tips to improve?

    asked by Anonymous
  157. chemistry

    Calculate the molarity (M) of AlCl3 in a solution prepared by adding 0.750 L of 0.7 M AlCl3 and 0.250 L of 0.1 M AlCl3 . Assume volumes are additive

    asked by Anonymous
  158. physics

    In a rescue scene during the 911 crisis, a helicopter of mass 6000 kg accelerates upwards at the rate of 0.50 m/s2 while lifting a 2500 kg piece of concrete. What is the upward force exerted by the rotors of the helicopter? What is the tension in the cable

    asked by grey
  159. Physics

    Which of the following is an appropriate measure of electric power on a toaster label? A. 110 V B. 2.0 A C. 220 W D. 55 Ω

    asked by Me and I
  160. boring math

    A business purchases a piece of equipment for $25000. The equipment will be replaced in 10 years at which time its salvage value is expected to be $2000. Write linear equation giving the value V of the equipment during the 10years.

    asked by Anonymous
  161. Physics

    Determine the final velocity of an alpha particle (3.2x10^-19) if it is placed in a 7.2x10^6 n/c uniform field. The mass of the alpha particle is 6.64x10^-27

    asked by James
  162. physics

    Two wires are made of the same material. The first wire dissipates power P with a current of I. If the second wire is 3 times as long and has twice the diameter, what will the current need to be through the second wire to dissipate the same power P as the

    asked by dominic hart
  163. Math

    In math, negative minus negative equals what? Ex: -38-(-14) Please list all the other rules of multiplying, dividing, adding, and subtracting!! Thank you!!

    asked by King Bla
  164. LA - pls help asap!

    Questions 1–4 correspond to "One." 1. What is the best interpretation of the following stanza from the poem "One"? Nobody can get into my clothes for me / or feel my fall for me, or do my running. / Nobody hears my music for me, either. A. You cannot

    asked by TTR+S<3
  165. Math

    what are all of the possible rational roots for x to the third power- x squared-x +8=0?

    asked by courtney
  166. math

    Simple interest the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest

    asked by Marybeth
  167. Algebra

    Add and subtract the rational expression and simplify. -3y/8x+7y/6x -1y/12x

    asked by Anonymous
  168. algebra math

    A deck has 12 cards numbered 1 to 12. Ashley needs a number greater than 9 to win a game. If she selects a card at random, what is the probability that she will win?

    asked by kayla
  169. Physics

    i have a question on thin lens equation how do i know when di is positive or negative? also i have an example: A convex lens has a focal length of 60 cm. A candle is placed 50 cm from the lens. What type of image is formed and how far is the image from the

    asked by Sam
  170. algebra

    Which choice does not equal the others? How do I figure this out? A. 4% of 3,000 B. 40% of 30 C. 40% of 300 D. 30% of 400

    asked by kayla
  171. geometry

    What is the volume of a rectangular prism that has dimensions 1in , 2in , and 3in?

    asked by Mark L.
  172. algebra

    Which jar of peanut butter is the best buy? How do I calculate this? A.18 oz jar for $1.69 B.30 oz jar for $2.59 C.32 oz jar for $2.89 D.24 oz jar for $2.09

    asked by Lycia
  173. Math

    How can just adding one or subtracting one make the difference? I did the first one but can't come up with the second one. The first equation is: x = 4y + 1 Subtract 1 from both sides x - 1 = 4y Now divide both sides by 4 (x/4) - (1/4) = y My slope is (¼)

    asked by Emily
  174. math

    the simple interest received from investment is directly proportional to the amount of the investment. By investing $4000 in a municipal bond you obtain interest of $280 at the end of 1year. Find a mathematical model that gives the interest I at end of

    asked by Marybeth
  175. LA - Annabel Lee by Edgar Allen Poe - pls help!??

    1. Which of the following lines from "Annabel Lee" contains an example of assonance? (1 point) "In a kingdom by the sea" "The angels, not half so happy in Heaven" "For the moon never beams without bringing me dreams"***** "In her sepulchre there by the

    asked by TTR+S<3
  176. MATH

    Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4

    asked by Anonymous
  177. math algebra?

    A circle has circumference of 56.52 ft. What is its area? Use 3.14 for pie.

    asked by Lycia
  178. math algebra?

    What does -4p < 36 equal?

    asked by Lycia
  179. physics

    a person walks due east for 10 meters and then due north for 10 meters. what is the total displacement?

    asked by mercy
  180. math

    A rectangular field measures 350 feet by 400 feet. If you wish to go from one corner to the opposite corner, how much shorter is the trip if you walk along the diagonal rather than the edges?

    asked by neka
  181. Physics I NEED HELP WITH EQUATIONS

    A 7kg block is pulled at a constant velocity by a horizontal 25 N force - Calculate normal & gravitational forces - Calculate the applied & frictional forces - Calculate the coefficient of friction CAN SOMEONE PLEASE HELP ME WITH THE EQUATIONS FOR ALL OF

    asked by Jamika
  182. Math

    Two sides of a triangle measure 7 cm and 15 cm . Which of the following could not be the length of the third side ? A. 5 cm B. 9 cm C. 15 cm D. 22 cm I'm confused because at first I tried Pythagorean thereom and it didn't really work .

    asked by Valerie
  183. Math

    Find the total number of compounding periods and interest rate per period. Terms investment: 6years, nomial rate: 18%, interest compounding :monthly, compounding period________, rate per period %_______ * i need to figure out the compounding period & rate

    asked by Anonymous
  184. chemistry

    What is the molarity of a 28.9 g of CaCl2 dissolved in water to make up 0.78L of solution?

    asked by Anonymous
  185. physics

    a person walks due east for 10 meters and the due north for 10 meters. what is the total distance? b). what is the average speed of a car that travels 30 meters in 10 seconds, then another 50 meters in 30 seconds. Thank you for answering.

    asked by mercy
  186. Algebra

    Solve the equation x^2/5 + x^1/5 -6=0

    asked by Anonymous
  187. English

    I asked a question earlier about creating a title for an article i wrote in English, the article being about school, and the pressure to achieve and the stress on students, and I can't figure out a good title, I've gotten some help from people and

    asked by Al
  188. Chemistry

    If 87.3 mL of 0.225M KOH solution is mixed with 44.4 mL of 0.313M H2SO4 solution, would the resulting mixture be acidic, basic or neutral?

    asked by Mary