Questions Asked on
September 15, 2013

  1. chemistry

    To what pH should you adjust a standard hydrogen electrode to get an electrode potential of -0.124V V ? (Assume that the partial pressure of hydrogen gas remains at 1 atm.)

    asked by JAC
  2. physics

    A copper wire has a resistance of 0.425 at 20.0°C, and an iron wire has a resistance of 0.455 at the same temperature. At what temperature are their resistances equal?

    asked by Justin
  3. physics

    A battery of emf and negligible internal resistance is connected to two resistances R1 and R2 in series. What is the potential difference across R2?(a)E(R1+R2)/R2(b)E(R1+R2)/R1(c)ER2/R1+R2(d)ER1/R1+R2

    asked by john
  4. science

    An astronaut of mass 120 kg recedes from her spacecraft by activating a small propulsion unit attached to her back. The force generated by a spurt is 30 N. Show that her acceleration is 0.25 m/s2.

    asked by angie
  5. chemistry

    The pKb of pyridine is 8.75. What is the pH of a 0.205M solution of pyridine?

    asked by Anonymous
  6. math

    There is something wrong with this definition for a pair of vertical angles: “If AB and CD intersect at point P, then APC and BPD are a pair of vertical angles.” Sketch a counterexample to show why it is not correct. Can you add a phrase to correct it?

    asked by andrea
  7. Geometry

    The running track at the right is a rectangle with a half circle on each end. FI and GH are diameters. Find the area insidevthevtrack to the nearest tenth.

    asked by Sebastian
  8. physics

    As part of a class project you are given 0.900 g of nichrome and asked to fabricate a wire with uniform cross-section. You use up 95% of the nichrome and make a wire with a resistance of 0.840 Ω. The resistivity of nichrome is 1.00 10-6 Ω · m and its

    asked by Justin
  9. Physics

    Stones are thrown horizontally with the same velocity from the tops of two different buildings. One stone lands twice as far from the base of the building from which it was thrown as does the other stone. Find the ratio of the height of the taller building

    asked by Tonya
  10. Physics

    If you simultaneously drop a pair of tennis balls from the top of a building, they strike the ground at the same time. If one of the tennis balls is filled with lead pellets, will it fall faster and hit the ground first? Which of the two will encounter

    asked by PLEASE HELP ME
  11. physics

    (a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?

    asked by Justin
  12. Physics

    A map suggests that Atlanta is 730 miles in a direction 5.00° north of east from Dallas. The same map shows that Chicago is 560 miles in a direction 21.0° west of north from Atlanta. The figure below shows the location of these three cities. Modeling the

    asked by <3
  13. physics

    (a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC? (b) If the bulb's operating temperature is 2700°C, what is its resistance at 2570°C?

    asked by Justin
  14. math

    how many four letter words can be made fro the letters p,a,y,m,e,n,t with no repetition of any letters?

    asked by charlie
  15. trg

    A plane flies in a direction of N70°E for 80 km and then on a bearing of S10°W for 150 km. a How far is the plane from its starting point? b What direction is the plane from its starting point?

    asked by p
  16. Algebra 2

    The air resistance R(in pounds) on a racing cyclist is given by the equation R=0.00829s^2 where s is the bicycle's speed (in miles per hour). a. What is the speed of a racing cyclist who experiences 5 pounds of air resistance? b. What happens to the air

    asked by Kylee
  17. physics

    Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0 V batteries of a 740 kg electric car be able to supply: (a) To accelerate from rest to 25.0 m/s in 1.00 min? (b) To climb a 200 m high hill in 2.00

    asked by Justin
  18. History

    2.What sensory imagery can you use to describe the Taino perspective on the encounter with the Europeans? Does anyone have examples on this?

    asked by Gabby
  19. English

    Which sentence is in the active voice? The girl jumped on the trampoline. The cake will be served to the queen. Is it the first one? But, if so, then how can the second sentence be written in the active voice?

    asked by Anonymous
  20. Physics

    A tennis ball is struck and departs from the racket horizontally with a speed of 29.1 m/s. The ball hits the court at a horizontal distance of 19.0 from the racket. How far above the court is the tennis ball when it leaves the racket?

    asked by Katy
  21. Physics

    At the 18th green of the US Open, Tiger Woods needs to make a 20.5 ft (6.25 m) birdie putt to win the tournament. When he hits the ball, giving it an initial speed of 1.57 m/s, it stops 6.0 ft. (1.83 m) short of the hole. Assume the deceleration caused by

    asked by Tonya
  22. chemistry

    Suppose there are two known compunds containing the genetic elements X and Y. You have a 1.00-g sample of each compounds. One sample contains 0.33 g of X abd the other contains 0.42 g of X. Identify plausible sets of formulas for these two compounds.

    asked by london
  23. physics

    Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0 V batteries of a 740 kg electric car be able to supply: (a) To accelerate from rest to 25.0 m/s in 1.00 min? (b) To climb a 200 m high hill in 2.00

    asked by Justin
  24. MATH

    What is the smallest integer that can possibly be the sum of an infinite geometric series whose first term is 9?

    asked by Speedo
  25. Microscopes

    Which part of the microscope should you use to carry it? a. the stage b. the eyepiece c. the focus knobs d. the arm Is it the arm?

    asked by Anonymous
  26. Physical Education

    What are the components of fitness? Are aerobic and anaerobic fitness, types?

    asked by Juanita
  27. math

    if the expression(2ya)4 is equivalent to 16y8 what is the value of a

    asked by Brit
  28. programming

    where are the errors the pseudocode debugging exercise // This application reads student typing test data // including number of errors on the test, and the number // of words typed per minute. Grades are assigned based // on the following table: // Errors

    asked by Andre
  29. Physics

    A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 3.96 m to the north, d2 = 2.06 m northeast, and d3 = 1.13 m at 30.0° west of south (see the figure). Starting at the same initial point,

    asked by <3
  30. Classical Mechanics

    During a track event two runners, Mary, and Alice, round the last turn and head into the final stretch with Mary a distance d = 2.0 m in front of Alice. They are both running with the same speed of v0= 5.0 m/s. When the finish line is a distance L= 45.0 m

    asked by rya
  31. Physics

    A rocket is launched at an angle of 50.0° above the horizontal with an initial speed of 105 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move

    asked by <3
  32. Math

    Lin ride her bike 20 miles in 15 minutes. If she rode at constant speed what is the unit rate and how do you know ?

    asked by Anabelle
  33. pelling

    list of long a spelling words for a second grade student

    asked by aliyah
  34. statistics

    Suppose scores on the mathematics section of the SAT follow a normal distribution with mean 540 and standard deviation 120. ACT math scores are normally distributed with a mean of 18 and a standard deviation of 8. What score on the ACT is equivalent to a

    asked by Anonymous
  35. physics

    A pellet gun is fired straight downward from the edge of a cliff that is 13.4 m above the ground. The pellet strikes the ground with a speed of 26.1 m/s. How far above the cliff edge would the pellet have gone had the gun been fired straight upward?

    asked by Katy
  36. Chemistry

    When 25.302 is divided by 56.743, the answer should be reported to ____ significant digit(s). The result of the division, 25.302 / 56.743, reported to the correct number of significant digits is _______ When 56.743 is subtracted from 25.302, the result

    asked by sabrina
  37. Mechanics

    Calculate the average horsepower required to raise a 200-kg drum to a height of 20 in a time of 1:0 minute. Show the solution and answer

    asked by Aries
  38. Physics

    A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 20.0° below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a

    asked by <3
  39. Physical Science

    a rocket moves through outer space at 11,000 m/s. At this rate, how much time would be required to travel the distance from Earth to the Moon, which is 381,000 km?

    asked by Dana
  40. US History - Explorers

    What tool did Henry Hudson use to help him explore? E.x. a compass, etc. What were his parents' names?

    asked by Jalita
  41. Calculus

    Find k such that the line [y=5x-4] is tangent to the function : x^2-kx

    asked by Cody
  42. physics

    A police car is traveling at a velocity of 19.0 m/s due north, when a car zooms by at a constant velocity of 49.0 m/s due north. After a reaction time 0.600 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the

    asked by Katy
  43. Physics

    An astronaut of mass 120 kg recedes from her spacecraft by activating a small propulsion unit attached to her back. The force generated by a spurt is 30 N. Show that her acceleration is 0.25 m/s2.

    asked by Deidre
  44. Math

    Alpha writes the infinite arithmetic sequence 10, 8, 6, 4, 2, 0... Beta writes the infinite geometric sequence 9, 6, 4, 8/3, 16/9,... Gamma makes a sequence whose n^th term is the product of the n^th term of Alpha's sequence and the n^th term of Beta's

    asked by Speedo
  45. understanding observation and behavior

    answer to exam 405476RR penn foster

    asked by Anonymous
  46. physics

    A boat crosses a river of width 120 m in which the current has a uniform speed of 2.04 m/s. The pilot maintains a bearing (i.e., the direc- tion in which the boat points) perpendicular to the river and a throttle setting to give a constant speed of 2.58

    asked by Anonymous
  47. psychology

    •Why is determining abnormal behavior or a mental disorder so difficult

    asked by toya
  48. dma 040

    42 inch cut into 3 pieces. Piece 2 is twice as long as 1st and 3rd piece. Piece 3 is three times as long as piece 1. How long are the pieces 1st board 2nd board 3rd board

    asked by Anonymous
  49. chemistry

    A 47kg sample of water absorbs 3.40×10^2kJ of heat. Part A If the water was initially at 21.5∘C, what is its final temperature?

    asked by patrick
  50. trg

    An earth embankment is 27 m long and has a cross-section shown in the diagram. Find the volume of earth needed to build the embankment.

    asked by p
  51. Physics

    When nitrogen(atomic mass=14,atomic number=7) is bombarded with neutrons, the collision resulted in disintegrations in which alpha particles are produced. Represent this transmutation in symbolic equation .

    asked by Sam
  52. Stressed out!

    I know this site is about homework help but I was wondering if you can kind of help me make a "decision" so I'm a freshman and I'm taking honors history this year. I'm so stressed out from taking notes every night and studying. I have a C in that class

    asked by Anonymous
  53. algerbla

    if the square of a postive number is decreased by five times the number , the result is 14. Find the number

    asked by Anonymous
  54. English

    1. A lot of studens are studying in the study room. (Can we use the term 'study' room' as a big place where students can study together? Do you have some other expressions for that?) 2. He is in the reading room with his friends to read books. (Is it

    asked by rfvv
  55. Finance

    Finance $650,000 for a warehouse with a10.50% 30 year loan what is the monthly payment

    asked by Anonymous
  56. Chemistry

    How man moles of sodium phosphate are there in 0.4 liters of 0.1M Na2HPO4 (MW=141.96 g/mol)? 2.) How many millimoles in 200 ml?

    asked by Kris
  57. Algebra

    Solve the equation, if possible(answer or no solution); n-10=5/6n-7-1/3n

    asked by Anonymous
  58. maths

    convert each of these decimal into fraction in its simplest form. a)0.179 b)0.125 c)0.003 d)3.8 e)2.5

    asked by richmond
  59. chemistry

    How many cubic centimeters (cm 3 {\rm cm}^3) of olive oil have the same mass as 1.00L L of gasoline? (See the table (Figure 1) .)

    asked by uta
  60. Chemistry

    A sheet of aluminum (Al) foil has a total area of 2.119 ft2 and a mass of 2.714 g. What is the thickness of the foil in millimeters? (Density of Al = 2.699 g/cm3? I got 5.108*10^-4 cm but that is wrong. (2.714g)/(2.699g/cm^3)/(2.119ft^2) * 1ft/30.48cm =

    asked by Andy
  61. Algebra

    Use the distributive law to factor the following: Check by multiplying. 22x+11y+55z =

    asked by John
  62. PHYSICS/SCIENCE

    If a Mack truck and a motorcycle have a head-on collision, upon which vehicle is the impact force greater? Which vehicle undergoes the greater change in its motion? Defend your answers.

    asked by PLEASE HELP ME
  63. For Loli - persuasion

    http://www.jiskha.com/display.cgi?id=1379184170

    asked by Writeacher
  64. Phsyics

    A projectile is fired with an initial speed of 61.3m/s at an angle of 44.2∘ above the horizontal on a long flat firing range. (a) Determine the maximum height reached by the projectile. (b) Determine the total time in the air. (c) Determine the total

    asked by Tucker
  65. chemistry

    The structural formula, with atoms A, B, and C unspecified, is H B H H- C- C- C- H A Br C The formula is C3H6Br2. If the compounds is called 1,2-dibromopropane, A, B, and C must be A. A = H; B = Br; C = H. C. A = Br; B = H; C = H. B. A = H; B = H; C = Br.

    asked by penn foster
  66. physics

    A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be independently adjusted. When the engines are fired simultaneously and each applies its force in the same direction, the probe,

    asked by Rachel
  67. Latin

    Puer matrem laeti videt.

    asked by Bryce
  68. English

    1. I'm going to cut tall grass around my ancestor's tomb/grave on Chuseok. 2. I am going to worship at my ancestor's grave. 3. I am going to pay a visit to my ancestor's grave. 4. I'm going to visit my ancestor's grave and worship at the grave. Then I will

    asked by rfvv
  69. Chemistry

    How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^-6 M solution?

    asked by Kris
  70. physics

    A body immersed in liquid has an upthrust of 140N with a density of 12kg calculate the velocity

    asked by Anonymous
  71. algebra 2

    a(b+c)=bc

    asked by izzy
  72. algebra

    I need to find the profit for products sold. P(x) = -750x^2 + 15,000x x is the number/products sold Can you step by step please

    asked by Alaska Diamond
  73. finance

    Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $350 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will be able to borrow the

    asked by chris
  74. Math

    Help on subtracting integers

    asked by Anonymous
  75. Heeeeeeeelp

    Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w –

    asked by Myya
  76. dma 040

    Area of a certain state(state1) is five times the area of another state(state2). If the sum of their area is 6,000,000 square miles, find the are of each state state1 state2

    asked by Anonymous
  77. dma 040

    Sports competition, France won more medals than Italy who won more medals than Korea. The total number of medals won by three countries is three consecutive integers who sum is 37, find the number of medals won by each France Italy Korea

    asked by Anonymous
  78. Finance question

    Suppose CAPM is true. You are considering investing in an equally weighted portfolio of two stocks, A and B. The betas of these stocks to the market factor are 1.10 and 0.80, respectively. The total return volatilities of stocks A and B are σA=0.20 and

    asked by jerick
  79. Boston Tea Party

    With the Boston Tea Party was it a group of British colonists who boarded the ships and destroyed the tea by dumping it in the Boston Habor?

    asked by Blake
  80. math

    Data collected from those who reported their credit card debt showed that the lowest average annual percentage rate on its credit cards was 0.019. Represent this as a percent. The lowest APR on its credit cars was __% ?

    asked by Taylor
  81. Physics

    From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 9.40 m/s and angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. Initial velocity components: vx = 8.65 m/s vy = -3.67 m/s

    asked by <3
  82. math

    Write the mixed number as a percent 6 ¾ Would it be 6(0.75) = 45% ?

    asked by Taylor
  83. Economics/Business

    Our large companies seem to be largely run by hired managers who work for salaries and who are not owner-entrepreneurs. How then do we get the profit motive into large companies?

    asked by Jonathan
  84. chemistry

    If a gas is made up of 3 parts hydrogen and 2 parts nitrogen...how much percentage of hydrogen is the gas made up of? The answer says 60%, but I don't understand how the came up with the answer

    asked by mae
  85. Math

    5x/7+1/7-2x/4-6/4

    asked by Jaime
  86. chemistry

    A 20.9 g sample of nitrogen gas combines completely with 4.5 g of hydrogen gas to form ammonia. What is the mass of ammonia formed? A 12.7 g sample of X combines with a 24.4 g sample of Y to form the compound XY2. What is the mass of the reactants?

    asked by sasha
  87. chemistry

    A 18.2 g sample of an unknown compound contains 0.7 g of oxygen. What is the percent by mass of oxygen in the compound?

    asked by lea
  88. chemistry

    So I did an experiment at school in which we had to form 2.00 grams of precipitate by mixing 2 hydrated compounds. So for the products, obviously one of it is water, and the other 2 products are compounds, one of which, is insoluble. So when I measured the

    asked by K
  89. 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 9.7 m/s and it was thrown DOWN (watch your signs).

    asked by Nathalia
  90. Science

    which of the following correctly identifies an SI unit and the tool that is used to measure it? a. meter, ruler b. degrees Fahrenheit, thermometer c. gram, scale d. millimeter, meniscus I can't decide between a and c.

    asked by Anonymous
  91. Chemistry

    A 18.2 g sample of an unknown compound contains 0.7 g of oxygen. What is the percent by mass of oxygen in the compound?

    asked by taja
  92. Pysch

    ______is to biological factors as ___________ is to cultural factors? a. Race; ethnicity b. nurture; diversity c. Individualism; collectivism d. Ethnicity; race

    asked by Jill
  93. biology

    what are the differences between a vein and an artery? Give your answer with reference to specific examples. I don't know how to refer to specific examples...please help me..

    asked by Zi
  94. Math

    Find k such that the line [y=5x-4] is tangent to the function : x^2-kx

    asked by Cody
  95. Statistics

    The annual snowfall in a town can be represented by the Normal model N(46, 6.8). In about 2.5% of the years, the annual snowfall in this town will exceed: A) 46 inches B) 39.2 inches C) 52.8 inches D) 59.6 inches E) 66.4 inches I don't know how to set this

    asked by Robby
  96. Park University

    The number of arrivals per period is distributed according to the Poisson with an expected value of 0.75 unit per period. The cost of waiting per unit per period is $3.20. The facility cost for serving one unit per period is $5.15. What expected service

    asked by Joseph
  97. physics

    By trial and error, a frog learns that it can leap a maximum horizontal distance of 1.49 m. If, in the course of an hour, the frog spends 32.5 % of the time resting and 67.5 % of the time performing identical jumps of that maximum length, in a straight

    asked by Huiming
  98. algebra

    if f(X)=x^1/3+ 1/3x what is the value of f(27)

    asked by andrew
  99. social studies

    what is a culture and the types of culture

    asked by richmond
  100. Research

    Is it possible for someone to become deaf and mute at the age of ten while they were perfect before? If so, then what could be a reason that would lead them to lose both hearing and talking? Thank you in advance! All help is greatly appreciated :)

    asked by Samantha
  101. Chemistry help needed

    How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^-6 M solution?

    asked by Kris
  102. conputer

    what is an internet and their advantage and disadvantages

    asked by richmond
  103. algebra

    how do i solve ã(x+4) =y+2 solve for x.

    asked by Rick
  104. algebra

    I need to find the x coordinate of the vertex of parabola defined by f(x)= -5x^2 + 9x + 2 Can you please show steps. Thank you

    asked by Alaska Diamond
  105. 104 cilivi history

    the Indian ocean was largely spared large-scale warfare because

    asked by colleen
  106. algebra

    How do I solve this problem  ã2x -7+8=11

    asked by xavier
  107. His 104 civilization 11

    the Indian ocean was largely spared large-scale warfare because

    asked by colleen
  108. ALGEBRA

    HOW DO I SOLVE THIS PLEASE 5ãx =ãx -12

    asked by xavier
  109. finance

    Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $350 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will be able to borrow the

    asked by chris
  110. Mechanics

    A 1000-kg car whose motor delivers a maximum power of 40.0 hp to its wheel can maintain a steady speed of 130 km/h on a horizontal roadway. How large is the friction force that impedes its motion at this speed? Show the solution and answer

    asked by Jason
  111. Algebra

    simplify by removing parentheses and collecting like terms. 48q-22-( 7+37q )

    asked by John
  112. mathT

    The integer 90can be expressed as the sum of z consecutive integers. The value of z could be any of the following except A) 3 B) 4 C) 5 D) 6 E) 9

    asked by fran
  113. Social Studies

    For what does the Race to the Top contest award states?

    asked by Anonymous
  114. finance

    Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $350 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will be able to borrow the

    asked by chris
  115. English

    I'm embarrassed I can't figure this out on my own but I can't so here I am. I was giving these words and told to put them in " Letter by Letter Alphabetization " I'm confused by this and don't know how to figure out which word goes first and why. Please

    asked by Adam
  116. algebra

    can someone help me with this please 2/3 ãx =8

    asked by Rick
  117. Physics

    Two colliding objects exert equal and opposite forces on each other (Newton's Third Law). However, acceleration experienced by an object is inversely related to its mass: the smaller the mass, the larger the acceleration for a given force (pp. 49-50).

    asked by Need help badly
  118. math

    How do I write this decimal, 0.44 as a percent?

    asked by Taylor
  119. chem quantity

    a sample of soil containing hydrated barium chloride potassium chloride plus inert material weighd 0.8076g. tha sample was then dissolvd in water n treated with silver nitrate.tha resulting precipitate was collectd n found to weigh 0.5846g. calculate tha

    asked by shanice
  120. quantummechanics

    The following circuit is designed for testing whether |u⟩=|v⟩. The three-qubit gate in the middle is called the controlled SWAP gate, which swaps the last two qubits if and only if the first qubit is 1 (a) If |u⟩=|v⟩=|+⟩, what is the probability

    asked by Anonymous
  121. arithmetic

    If I WALK FROM MARKER 8.8 MILE TO MARKER 11.8 MILE HOW FAR IS THAT?

    asked by Carlos
  122. physics

    WHAT IS THE REASON BEHIND THE JISKHA"S TEACHERS TO BE NOTHING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!(except Writeacher and STEVE) ARE THEY DAFT OR NUISANCE!!!!!!!!!!!!!!!!!! ANSWWER Me QUICKLY !!!!!!!!!!!!!

    asked by sou
  123. physics

    I=0.5E0EO²C where E0 is the permitivity of the vacuum and C is the velocity of light. a)Show that the units of the equetion are consistant b)A certain helium-neon laser emits 0.20mW in a beam of cross sectional area 3.0mm.Determine the peak values of the

    asked by nnanga
  124. biology

    Question: How many hydrogens are in this image? Image: oi43.tinypic[dot]com/2hxwql1.jpg (Replace [dot] with a period (.)) Oiriginal Question: (A) Enter the formula for Tamiflu by typing the number of each atom in the blanks. If Tamiflu does not contain any

    asked by HYDROGEN COUNT
  125. chemistry

    50 compound

    asked by rufa mae
  126. science

    which of the following correctly identifies an SI unit and the tool that is used to measure it? a. meter, ruler b. degrees Fahrenheit, thermometer c. gram, scale d. millimeter, meniscus I can't decide between a and c.

    asked by Anonymous
  127. physics

    An electrical source with internal reistance r is used to operate a lamp of resistance R. What fraction of the total power is delivered to the lamp?(a)R+r/R(b)R-r/R (c)R/R+r (d)R/r

    asked by Roy
  128. Creative Writing

    "I'm sorry," her voice was broken by her tears, "I'm so, so sorry!" Is that line written properly, or would you write it like [ "I'm sorry." Her voice was broken by her tears. "I'm so, so sorry!"]

    asked by Me
  129. Math

    For what constant value a is the following function continuous at x= -10 ? f(x)= (1/x+1/10)/(x+10) when x is not -10 f(x)= a when x= -10

    asked by Nicky
  130. Algebra

    Find the average speed Hike 52 miles in 3 days Drive 69 kilometers in 3/4 hour

    asked by Sandy
  131. integrated algebra ME 1

    identify the sample and suggest a population from which it was selected. then classify the sample as sample, stratified, or systematic. explain your reasoning. 1} an insurance company checks every hundredth claim payment to ensure that claim have been

    asked by DiNasha
  132. math

    What is the fraction as a percent 7/800? I divided 7 by 800 and got 0.00875 and moved the decimal two places to the right, would that be right .875% ?

    asked by Taylor
  133. health care

    This week, you will create a PowerPoint presentation to help you prepare for your Final Paper. Submit a 10-slide (excluding title and reference slides) PowerPoint presentation that provides an overview of your research thus far for your Final Paper.

    asked by Anonymous
  134. math

    i need to know how to work this problem out step by step..[-16*-11/(4-9)] thank you

    asked by sharolyn
  135. grammar

    my brother played some music

    asked by glen
  136. Physics

    A ball is thrown upward from the ground with an initial speed of 23.2 m/s; at the same instant, another ball is dropped from a building 20 m high. After how long will the balls be at the same height?

    asked by <3
  137. algebra

    R=ã(3V/ƒÎH) solve for V.

    asked by john
  138. Calculus

    f(x) = 4/5x i need to find the derivitave but i don't know how to start this one. I know the derivitave of 4 is just zero, and i know the derivative of 5x is 5. But the answer isn't 0/5. Help please.

    asked by Kyle
  139. Math

    Y=2x^2 ;(1,2) ,(3,18)

    asked by Jaime
  140. math

    write the verbal rule for the pattern 13, 14, 15, 16. Find the 15th term in each.

    asked by angela
  141. Math

    (5x+1)/7-(2x-6)/4>_-4

    asked by Jaime
  142. English

    1. What are you going to do for Chuseok? 2. What are you going to do on Chuseok? 3. What are you going to do during Chuseok? (Chuseok is a Korean Thanksgiving Day. What is the difference of the three sentences?)

    asked by rfvv
  143. Chemistry

    Calculate the wavelength of a proton with energy 2.45 eV.

    asked by Anon
  144. Flowers for Algernon

    Explain Charlie's problems with women. Why does he have trouble getting close to them?

    asked by Lee
  145. law

    can any of the common law defenses be applied, or have been applied, to cases involving capital punishment

    asked by Patiance
  146. Chemistry

    Moles of Cu in the copper sulfate salt: mass is 90. and there are 5g of copper sulfate

    asked by kelly
  147. Flowers for Algernon book

    Think about all the times knives or razors appeared in the story. How could they be symbolic?

    asked by Lee
  148. chemistry

    Express the following numbers in scientific notation. (c) 0.9589 (d) 745 (e) 74100 (f) 0.002031

    asked by lea
  149. math

    a=(4.8km/h - 4.5km/h)/.5h

    asked by joe
  150. Algebra1

    6/14=7/x-3

    asked by Anonymous
  151. ALGEBRA

    5x-3y=2x-xy solve for x

    asked by Snake
  152. Algebra

    Four times a number is eight more than twice the same number

    asked by Anonymous
  153. food styles of catering

    At which of the following events are you likely to serve only champagne as the wine

    asked by cassie
  154. Physics

    A rocket is fired at a speed of 96.0 m/s from ground level, at an angle of 35.0 ° above the horizontal. The rocket is fired toward an 15.2-m high wall, which is located 32.0 m away. The rocket attains its launch speed in a negligibly short period of time,

    asked by Katy
  155. Math

    Illustrate two real-life example of the fraction 0/6? I need help coming up with the second one. This is my 1st one "The amount of money of six business owners get if the business has a profit of $0."

    asked by Lilly
  156. Chemistry

    Expected number of moles of copper oxide (using the emprical formula of copper oxide and the starting moles of Cu)

    asked by kelly
  157. World History

    How are paintings similar to or different from public murals created today?

    asked by Anonymous
  158. law

    The insanity Defense can be used in cases involving capital punishment, correct?

    asked by Patiance
  159. maths

    A truck rolls down a hill subject to acceleration due to gravity and resistance (including air resistance, rolling friction, etc) and the distance si (metres) travelled after ti seconds is observed. Classical mechanics predicts that the distance travelled

    asked by help please
  160. world geography

    you are an investor in virginia compny.in order to make a profit,you must encourage people to leave england and move to jamestown.create an advertisement describing the advantages of living in virginia.

    asked by jareek
  161. physics

    A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.25 m/s. The car is a distance d away. The bear is 39.8 m behind the tourist and running at 7.36 m/s. The tourist reaches the car safely. What is the

    asked by Katy
  162. Science

    To determine v max and km of Beta-galactosidase for lactose, the same amount of enzyme (1 ug per tube) was incubated with a series of lactose concentrations under conditions where product concentrations remained negligible. At each lactose concentration,

    asked by Ahmad M.
  163. Chemistry

    To determine v max and km of Beta-galactosidase for lactose, the same amount of enzyme (1 ug per tube) was incubated with a series of lactose concentrations under conditions where product concentrations remained negligible. At each lactose concentration,

    asked by Ahmad M.
  164. Math

    When is 15xy+9y^2+6x^2 divided by 2x+3y. Thank you

    asked by Kiki
  165. Math

    When mn+m^2-30n^2 is divided by m-5n, what is the quotient. Thank you

    asked by Kiki
  166. Chemistry

    To determine v max and km of Beta-galactosidase for lactose, the same amount of enzyme (1 ug per tube) was incubated with a series of lactose concentrations under conditions where product concentrations remained negligible. At each lactose concentration,

    asked by Ahmad M.
  167. chemistry

    are these two statements true? (a/b)^x = a^x - b^x and (x^a + x^a+b) / (1+x^b) = x^a

    asked by sabrina