# Amy

Most popular questions and responses by Amy
1. ## Science--HELP!!

Can you please check my answers: 1. Dalton's idea that atoms cannot be divided into smaller parts was disproved by the discovery of _________ (electrons?) 2. The description of the structure of the atom is called ______ (atomic model?) 3. In a water

asked on June 4, 2015

A drama club is planning a bus trip to new york city to see a broadway play. the cost per person for the bus renatl varies inversely as the number of people going on the trip. It will cost $30 per person if 44 people go on the trip. How much will it cost asked on May 19, 2014 3. ## Language Arts Ms. Sue?? Writeacher?? Reed? "President Lincoln's Declaration of Emancipation, January 1, 1863 by Frances E. W. Harper It shall flash through coming ages, It shall light the distant years; And eyes now dim with sorrow Shall be brighter through their tears It shall flush the mountain asked on April 22, 2015 4. ## Statistics Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 32 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of asked on November 16, 2016 5. ## physics A 60.0-kg skier with an initial speed of 12.0 m/s coasts up a 2.50-mhigh rise and angle is 35 degrees.Find her final speed at the top, given that the coefficient of friction between her skis and the snow is 0.0800. (Hint: Find the distance traveled up the asked on July 14, 2013 6. ## Statistics The weights of the fish in a certain lake are normally distributed with a mean of 15lbs. and standard deviation of 6lbs. If a sample of 5 fish are taken from the lake, find the probability their means weights are between 12.6 lbs. and 18.6 lbs. asked on October 30, 2013 7. ## The Binding Energy of Electrons? An X-ray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV. What is the binding energy of the electron in kJ/mol? [KE =1/2 mv^2; 1 electron volt (eV) = 1.602 x 10^- 19 J] asked on November 26, 2012 8. ## statistics A survey for brand recognition is done and it is determined that 68% of consumers have heard of Dull Computer Company. If a survey of 800 randomly selected consumers is to be held would it be unusual for 554 of them to recognize Dull Computer Company? asked on October 30, 2013 9. ## can you please look over my answers? clauses Can you please look over the answers that I have for the different clause questions? Thanks ahead of time! Ohh, & S-subject, DO-direct object, PN-predicate noun, OP-object of preposition. Thank you! [What I wanted to do] was to finish my work. S The asked on December 11, 2011 10. ## I don't understand this chemistry problem? The question reads: Place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium, calcium, and sulfur. I looked this up on a periodic table and my answer was: Rb, Se, Ca, Cl, F, S. This is still marked wrong, and asked on December 3, 2012 11. ## Physics Two coupled boxcars are rolling along at 4.0 when they collide with and couple to a third, stationary boxcar. 1.) What is the final speed of the three coupled boxcars? 2.) What fraction of the cars' initial kinetic energy is transformed into thermal asked on December 2, 2012 12. ## Algebra 2 Suppose you are researching the eating habits of people your age. What sampling method could you use to find the percent of students in your grade who eat five servings of fruit and vegetables each day? What is an example of a survey question that does not asked on April 23, 2013 13. ## Physics A 710kg car drives at a constant speed of 23m/s . It is subject to a drag force of 500 N. What power is required from the car's engine to drive the car (a) on level ground? (b) up a hill with a slope of 2.0∘ ? asked on November 23, 2013 14. ## Expected Value extended warranty A company estimates that 0.2% of their products will fail after the original warranty period but within 2 years of the purchase, with a replacement cost of$450. If they offer a 2 year extended warranty for $55, what is the company's expected value of each asked on October 6, 2016 15. ## Math a punter kicked the football into the air with an upward velocity of 62 ft/s. its height in feet after t seconds is given by the function h = -16t^2 + 62t +2. What is the maximum height the ball reaches? How long will it take the football to reach the asked on March 8, 2015 16. ## Science ____ bacteria carry out the conversion of gaseous nitrogen to a biologically useful form of nitrogen. My answer is "nitrogen-fixing" (This is fill in the blank) asked on March 14, 2014 17. ## Chemistry! Liquid A has vapor pressure X, and liquid B has vapor pressure Y. What is the mole fraction of the liquid mixture if the vapor above the solution is 30% A by moles? 50% A? 80% A? (calculate in terms of x and y) I'm a little bit confused because I thought asked on December 21, 2014 18. ## Gas Law Chemistry I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure asked on October 25, 2012 19. ## Physics A person carries a plank of wood 2 m long with one hand pushing down on it at one end with a force F1 and the other hand holding it up at 50 cm from the end of the plank with force F2. If the plank has a mass of 20 kg and its center of gravity is at the asked on July 14, 2013 20. ## English/11th grade I have a few questions on my English homework. The directions state: Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified. 1. When you obey your parents, you please the Lord. Adverb clause: _____ asked on January 13, 2012 21. ## Physics The artist Anya Calderona constructs the mobile shown in the figure.(Figure 1) In the illustrated configuration, the mobile is perfectly balanced. Assume the strings and crossbars are massless. If Anya decides to make the star twice as massive, and not asked on November 13, 2012 22. ## Physics Identical point charges of +2.1 ìC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes. Find asked on January 24, 2013 23. ## Language Arts Ms. Sue?? Writeacher?? Reed? Which of the following sentences contains a pronoun in the objective case? -What costume should I wear to the party tonight? -Maybe Martha will loan me something.*** -Her costumes are always the best. -She won first prize in a Halloween contest last year! asked on May 14, 2015 24. ## Geometry Points$A$and$B$are on a circle centered at$O$, and point$P$is outside the circle such that$\overline{PA}$and$\overline{PB}$are tangent to the circle. If$\angle OPA = 32^{\circ}$, then what is the measure of minor arc$AB$, in degrees? asked on June 26, 2015 25. ## Chemistry - Photons Water is exposed to infrared radiation of wavelength 2.5×10−4 cm. Assume that all the radiation is absorbed and converted to heat. How many photons will be required to raise the temperature of 2.5 g of water by 2.5 K? -------------------------- I tried asked on December 7, 2012 26. ## Chemistry Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2o) . What is the theoretical yield of carbon dioxide formed from the reaction of 0.16g of methane and 0.83g of oxygen gas? asked on December 6, 2014 27. ## Alegerba Help! Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark asked on March 27, 2014 28. ## Calculus - Functions? #1. A cubic polynomial function f is defined by f(x) = 4x^3 +ax^2 + bx + k where a, b and k are constants. The function f has a local minimum at x = -1, and the graph of f has a point of inflection at x= -2 a.) Find the values of a and b #2. Let h be a asked on February 21, 2011 29. ## Science Which step in the nitrogen cycle is accelerated at the beginning of the eutrophication process? A. denitrification B. nitrogen fixation C. producer uptake of nitrogen D. consumer decomposition asked on March 3, 2014 30. ## LAW 1. Which of the following can be considered impermissible inducements by the prosecution? A. Prosecutor threatens the defendant with increased charges against a third party. B. Prosecutor threatens the defendant with decreased charges against a third asked on January 9, 2014 31. ## History "We are here... this evening because we are tired now. And we are determined here in Montgomery to work and fight until justice runs down like water, and righteousness like a mighty stream. There is never a time in our American democracy that we must ever asked on June 29, 2015 32. ## college how would you go about doing this type of problem thank you You are trying to raise a bicycle wheel of mass x and radius r up over a curb of height h . To do this, you apply a horizontal force . 1. What is the least magnitude of the force that will succeed asked on May 18, 2009 33. ## Math Vocabulary What does distance/ time/ rate of speed mean? It's all one word!!!! Please Help!!!!!! I looked in the dictionary, on the internet nothing It might be acceleration, but I'm not sure; distance/time is velocity. If it means rate of change of velocity then asked on September 7, 2006 34. ## Science Meteoroids can form when comets break apart, creating dust clouds. True or False? I think it's true. asked on March 25, 2015 35. ## physics A 50-kg block is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 150 N. Fp is parallel to the displacement of the block. The coefficient of kinetic friction is 0.25. A) What is the total work done on the block? B) If asked on February 13, 2012 36. ## Kinetics Problem II The data below were collected for the following reaction: 2NO2 (g) + F2 (g) ->2NO2F(g) A: Calculate the value of the rate constant, k. B: What is the overall order of the reaction? asked on January 30, 2013 37. ## Rate Constants I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any help Rate= k[I2]X{[H+]Y[CH3COCH3]Z Trial Volume of 0.0010 M I2 Volume of 0.050 M HCl Volume of 1.0 M acetone Volume of water Temperature (degrees C) Reaction asked on February 12, 2013 38. ## physics The figure shows an overhead view of a 3.00-kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 37.0 g slides toward the opposite end of the asked on November 16, 2016 39. ## Chemistry-weak acid affects the pH? For which salt in each of the following groups will the solubility depend on pH? AgCl AgF AgBr please explain why its the answer asked on March 16, 2009 40. ## English Scarlet Letter Chapter 9 1.The subject of the main clause in the sentence beginning "If the latter possess native sagacity . . . " (line 68) is (A) "latter" (line 68) (B) "he" (line 70) (C) "revelations" (line 76) (D) "qualifications" (line 80) (E "soul" asked on January 19, 2015 41. ## Chemistry Consider the reaction 5Br(aq) + BrO3(aq) + 6H^+(aq)-> 3Br2(aq) + 3 H2O(l? The average rate of consumption of Br- is 1.16×10-4 over the first two minutes. What is the average rate of formation of Br2 during the same time interval? asked on January 30, 2013 42. ## physics A string is wound is tightly around a wheel. When the end of the string is pulled through a distance of 10 cm, the wheel rotates through 5 revolutions. What is the radius of the wheel? asked on March 6, 2012 43. ## Pre Calculus Find the number of units that produces maximum revenue given by R = 900x-0.1x^2, where R is the total revenue in dollars and x is the number of units sold. asked on October 3, 2018 44. ## Probability/Statistics Using diaries for many weeks, a study on the lifestyles of visually impaired students was conducted. The students kept track of many lifestyle variables including how many hours of sleep obtained on a typical day. Researchers found that visually impaired asked on July 11, 2009 45. ## Chemistry DrBob This is what i posted up a while back... i got to a using 0.520= a (.202M) and got a= 2.57 but now i don't know where to go from there with the ICE The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M asked on April 12, 2008 46. ## physics A box of unknown mass is sliding with an initial speed vi = 5.60 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 3.40 m long. The coefficient of kinetic friction between the rough section of flooring asked on July 8, 2013 47. ## Chem This question is also confusing me… The density of diamond is 3.51 g/cm^3 and the density of platinum is 21.43g/cm^3. If equal masses of diamond and platinum are transferred to equal volumes of water in separate graduated cylinders, which graduated asked on September 1, 2015 48. ## physics A person is riding on a Ferris wheel of radius R. He starts at the lowest point of the wheel. When the wheel makes one complete revolution, is the net work done by the gravitational force positive, zero, or negative? Do you need to know how the speed of asked on February 13, 2012 49. ## Physics I need help with this physics problem: A child slides down a playground slide; the coefficient of kinetic friction is uk=0.25, and angle that the slide makes with the horizontal is 28.0 degree. She begins from rest and slides through a vertical height of asked on February 25, 2009 50. ## educatial technology which of the following statements is true of a time management plan? a. it is a work in progress that will need to be altered many times b. the plan you create is the one you should stick with c. you dont need to schedule breaks or free time d. it isnt asked on February 23, 2018 51. ## Chemistry - Lewis Dots Draw the molecule by placing atoms on the grid and connecting them with bonds. Do not identify the charge on each of these species. Include all lone pairs of electrons. H3COCH3 Draw the ion by placing atoms on the grid and connecting them with bonds. Do asked on December 4, 2012 52. ## chemistry I have tried virtually everything, i can't fogure out this problem. I have 2K^+ + SO4^2- + Ca^2+ + 2I^- --> CaSO4(s) + 2K^+ + 2I^-. but it is incorrect and i dnt see how, can u help me? Write balanced complete ionic equation for K2SO4 (aq) + CaI2 (aq)CaSO4 asked on October 4, 2010 53. ## Spanish Fill in the blanks with questions based on the cues. Remember to use correct capitalization and punctuation. can someone please check my homework 1. ¿? / no / estudiar / tú / en la biblioteca / hoy / por qué A. ¿ Por qué tú no estudiar hoy en la asked on February 23, 2014 54. ## Geometry Which one of these is NOT a step used when constructing an inscribed square using technology? A. Create a circle using the center with given points tool. B. Connect the points with a line through the center of the circle. C. Mark the points of intersection asked on January 20, 2015 55. ## Chemistry what happens in a condensation reaction head-to-tail joining of monomers side-by-side joining of monomers cross-linking of monomers*** substitution of halogen asked on May 25, 2016 56. ## math The Pirerras are planning to go to Europe 5 yr from now and have agreed to set aside$190/month for their trip. If they deposit this money at the end of each month into a savings account paying interest at the rate of 9.5%/year compounded monthly, how much

asked on February 7, 2011
57. ## History

Which statement BEST distinguishes the Viet Cong from the North Vietnamese Army? A) The North Vietnamese Army fought beside the allied forces, while the Viet Cong fought against the allied forces. B) The North Vietnamese Army represented the political

asked on June 29, 2015
58. ## Probability

A number cube has six faces numbered 1 to 6. John tossed two number cubes several times and added the number each time.

asked on January 31, 2013
59. ## Urgent Chemistry Problem!!

Calculate Delta G at 298 K for the following reactions. Ca(s) + CO2(g) + 1/2O2(g) -> CaCO3(s) 2KClO3(g) -> 2KCl(s) + 3O2(g) CH4(g) + 3Cl2(g) -> CHCl3(g) + 3HCl(g) Delta G^0f CHCl3 is - 70.4 kJ/mol The following reactions are important ones in catalytic

asked on April 1, 2013
60. ## physics

Children slide down a frictionless water slide that ends at a height of 1.80 m above the pool. If a child starts from rest at point A and lands in the water at point B, a horizontal distance L = 2.46 m from the base of the slide, determine the height h of

asked on October 28, 2016
61. ## Math(HELP!)

A farmer has 120 feet of fencing to enclose a rectangular plot for some of his animals. One side of the area borders on a barn. a.) If the farmer does not fence the side along the barn, find the length and width of the plot that will maximize the area? b.)

asked on October 15, 2015
62. ## Calculus

A ladder 15 feet long is leaning against a building so that end X is on level ground and end Y is on the wall. Point 0 is where the wall meets the ground. X is moving away from the building at a constant rate of 1/2 foot per second. (a.) Find the rate in

asked on February 5, 2012
63. ## Chemistry

For the following balanced equation: 2 Ag+ (aq) + Cu(s) ---> Cu2+ (aq) + 2 Ag(s) Which letter corresponds to the correct cell notation at standard state conditions? A. Cu2+(aq)/ Cu(s) // Ag(s) / Ag+(aq) B. 2Ag+(aq)/ Cu2+(aq)// 2Ag(s)/ Cu(s) C. Ag+(aq) /

asked on May 8, 2008
64. ## Bus. Math

a. Graduated payments result in the borrower paying A. more at the beginning of the mortgage. B. less at the beginning of the mortgage. C. the mortgage at 1¨M2 the standard rate. D. less at the end of the mortgage. Answer: B 2. When are annuity due

asked on April 4, 2016
65. ## English

1. All of the following are helpful techniques in effective speech delivery EXCEPT: A. pauses. B. voice inflection. C. filler words. D. projection. is it C 2. Hand gestures help emphasize a point except when they are: A. appropriate. B. natural. C.

asked on April 26, 2013
66. ## English

Scarlet Letter questions Chapter 2 The narrator seems to feel that women of the era A. Are harsher in their judgements than are the ruling men B. are overly subservient to men C. Are without exception bitter-tempered D. Are more refined than the man-like

asked on January 14, 2015
67. ## Chemistry

If 1.0 mL of 6.0M HCl is added to 499 mL of water to give exactly a 500 mL solution, what is the molarity of the dilute solution?

asked on May 6, 2012
68. ## SCIENCE

The size, mass, and arrangement of atoms affect the density of a substance. If a substance has a low density, what can you guess about the size, mass and arrangement of the atoms that make up that substance?

asked on July 16, 2013
69. ## 7th grade science

can some one give me an example of commensalism and mutualism in the deciduous forest in the united states? I think commensalism symbiotic relationship in which one species benefits and the other species is neither benefited nor harmed. Is that like maybe

asked on October 4, 2006
70. ## PE

10. A common emergency is a. shock b. choking c. cardiac arrest*** d. ankle sprain --THIS IS DIRECTLY FROM THE LESSON: Choking and rescue breathing emergencies Cardiac arrest Bone, joint, and muscle injuries Outdoor emergencies Bites and stings Poisonings

asked on April 20, 2015
71. ## Math

What is a ratio equivalent to 36:20

asked on November 3, 2014
72. ## Calculating Rate Constants

I'm really stuck with this one. Here's the rate law and the data that is needed. I appreciate any help Rate= k[I2]X{[H+]Y[CH3COCH3]Z Column 1 - Trial Column 2 - Volume of 0.0010 M I2 Column 3 - Volume of 0.050 M HCl Column 4 - Volume of 1.0 M acetone

asked on February 13, 2013
73. ## Physics

Identical point charges of +2.1 ìC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes. Find

asked on January 24, 2013
74. ## word unscramble

need help unscrambling a word or words tarluna what is it HELP ME UNSCRAMBLE THESE LETTERS TO MAKE A WORD THAT PERTAINS TO SPACE AND IS A P POSSESSIVE NOUN. SEGHRTMLAN J'aodredefis Please post the word or words you need to unscramble, and we'll try to help

asked on September 28, 2006
75. ## Geometry

M is the midpoint of JK. find the coordinates of K. 1. J (-8,4) M (-1,1) 2. J (9,-5) M (5, -2) 3. J (0,11) M (-3,2) Please help me with this! I need help on this step by step. Thank you!

asked on January 1, 2016
76. ## Spanish

write four different questions in spanish for the following sentence. 1. La profesora Gutierrez ensena contabilidad. 2. Ustedes necesitan hablar con el profesor de economia. 3. carlos busca el libro de arte. 4. Mariana canta en el coro de la universidad.

asked on February 23, 2014
77. ## english / compare & contrast essay

Hey guys!! I was hoping someone could critique/view/edit me essay for me? :) It's a compare and contrast essay on Mother Tongue by Amy Tan, and How to Tame a Wild Tongue by Gloria Anzaldúa. I'm a hs junior but i'm also taking college english~critical

asked on January 27, 2012
78. ## Language Arts Ms. Sue??

This is a question about the book Johnny Tremain. Which of the following is part of the novel's rising action? A. Johnny's growing role in delivering messages and acting as a spy for the Whigs B. Dr. Warren's imminent surgery on Johnny's hand C. the battle

asked on January 13, 2015
79. ## English

1. When researching for supporting materials about the impact of violence in the media, it is a good idea to get assistance from this resource. A. Television B. Call-in radio C. Librarian D. Personal interview is it D 2. An advantage of using media

asked on April 5, 2013
80. ## Chemistry

A student collected H2 gas in a buret by displacing water at 22.0 °C. The buret could not be submerged deep enough in a water bath to equalize the pressure. The water level in the buret was 18.2 cm above the water level in the water bath. The volume of

asked on January 23, 2013
81. ## Math 1

In a study of 500 men, diastolic blood pressure was found to be approximately normally distributed, with a mean of 82 millimeters (mm) of mercury and standard deviation of 10 millimeters. Use the 68-95-99.7% rule to determine what percentage of the test

asked on December 15, 2016
82. ## math

two types of sandwiches were made for a tea party. 55% of the sandwiches were cheese sandwiches and the rest were chicken. If there were 252 chicken sandwiches, how many sandwiches were made altogether?

asked on October 30, 2014

Catherine borrowed $19,000 on June 20, at 10% interest. If the loan was due on September 17, what was the amount of interest on the loan using the exact interest method? asked on June 23, 2013 84. ## Could you please check over my english? :) I'm working on an English assignment and I've answered most of them, but I'm not too sure about these ones.. If you could check over my answers that would be amazing! Thank you so much in advance :) In the following sentences identify the main clause. Find asked on December 13, 2011 85. ## Math Brand A: 20 for$2.50 Brand B: 35 for $3.25 Brand C: 50 for$5.25 Brand D: 100 for $10.00 The school nurse is low on band-aids. She heads to the store and finds 4 brands. Which one is the best buy? You must prove your answer. asked on October 27, 2014 86. ## physics A rotating wheel requires 7.00 s to rotate 28.0 revolutions. Its angular velocity at the end of the 7.00-s interval is 97.0 rad/s. What is the constant angular acceleration (in rad/s) of the wheel? rad/s2 asked on October 17, 2016 87. ## Chem The mass of a beaker is 5.333g. After 5.00 mL of a concentrated hydrochloric acid solution is pipetted into the beaker, the combined mass of the beaker and the hydrochloric acid sample is 11.229 g. From the data, what is the measured density of the asked on September 1, 2015 88. ## math how do you write seven names for 8.Using only numbers less than 10,and using at least three different opperations in each name.(ALSO USE PARENTHESES FOR TWO OF YOUR ANSWERS) I NEED HELP ON THIS!! please and thank you asked on February 9, 2011 89. ## physics A 65 kg skier speeds down a trail, as shown in Figure 5-24. The surface is smooth and inclined at an angle of θ = 20° with the horizontal. (a) Draw a free-body diagram for the skier. (Do this on paper. Your instructor may ask you to turn in this asked on January 13, 2010 90. ## Physics A sphere of mass 3.0X10^-4 kg is suspended from a cord. A steady horizontal breeze pushes the sphere so that the cord makes a constant angle of 37 degrees with the vertical. find a) the magnitude of that push and b) the tension of the cord. I looked asked on November 12, 2006 91. ## Math If a seed is planted, it has an 85% chance of growing into a healthy plant.if 8 seeds are planted what is the probability that exactly 3 don't grow ? asked on May 4, 2016 92. ## Stats In the past, the mean running time for a certain type of flashlight battery has been 9.8 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has asked on November 22, 2014 93. ## Science Which of the following factors does not vary between a fast-following river and a pond that receives no water input? a. oxygen levels b. salt concentration c. temperature d. fish species I think possibly b. Ms. Sue? asked on November 12, 2014 94. ## Statistics 1. A poll of 700 persons attending the Taste of Chicago showed that 455 persons, 65% of the sample, believed that the food was overpriced. It is estimated that 1,250,000 persons attend the Taste. Statistics suggest that, although 65% plus or minus 5% of asked on September 12, 2014 95. ## Social Studies Why were members of the Third Estate frustrated with the French government? A. They opposed the wars that had been fought during the 1700s. B. They believed the government should help prevent crop failures. C. They thought they paid too much in taxes. D. asked on May 11, 2019 96. ## Statistics Please help, I do not understand how to do this: Let x be a random variable that represents white blood cell count per cubic milliliter of whole blood. Assume that x has a distribution that is approximately normal, with mean μ = 7400 and estimated asked on November 17, 2016 97. ## Algebra/Pre Calc A parking lot charges$3 to park a car for the first hour and \$2 per hour after that. If you use more than one parking space, the second and each subsequent car will be charged 75% of what you pay to park just one car. If you park 3 cars for t hours, which

asked on July 7, 2015
98. ## chemistry- DrBob

summarize part a ( the data i showed you) in a data table containing heading: anode, cathode, overall cell reaction, and cell potential . for each cell combination, write the anode half reaction, the cathode half reaction, the overall reaction in the cell

asked on May 16, 2008
99. ## Sat Math

0.2B + 0.1S = C Rhia is using the above equation to investigate the carbon footprint, C, in kilograms of carbon dioxide (CO2) emissions, for her morning commute which S miles are by subway and B miles are by bus. How many kilograms of (CO2) per mile does

asked on August 1, 2018
100. ## Chemistry - Heat Capacity

When a 3.25 g sample of solid sodium hydroxide was dissolved in a calorimeter in 100 g of water, the temperature rose from 23.9 C to 32.0 C. Calculate delta H (in kJ/mol) of for the solution process: NaOH (s) -> Na+(aq) + OH-(aq) Use a calorimeter heat

asked on December 17, 2012