1. Math

    How do I find the angle between lateral edges of a regular triangular pyramid if the edge is 60m and the height is 18m? Please help!

    asked by Matthew on November 29, 2018
  2. business math

    How do you know which rule to use when it doesn't specify? All it says is find the derivative of the function. I haven't had algebra/calculus in over 20 years, I'm completely lost. Please help.

    asked by Averi on February 19, 2015
  3. physics

    A skier (m=55.0 kg) starts sliding down from the top of a ski jump with negligible friction and takes off horizontally. If h = 4.90 m and D = 10.6 m, find H.

    asked by sara on December 9, 2015
  4. math

    find the verticle, horizontal, and oblique asymptotes, if any, for the given rational function: g(x)=x^4-81/3x^2-9x I feel like such a dork becaue i have no clue how to do this, can someone please help me????

    asked by sally on April 15, 2013
  5. Health Project

    Could someone help me find a medical supply company presentation which involves information about the products, jobs, services, etc available. I would greatly appreciate that!! Thanks

    asked by Dave on February 17, 2008
  6. Geometry

    the perimeter of an equilateral triangle is 32 centimeters. find the length of an altitude of the triangleto the nearest tenth of a centimeter.

    asked by Franka on February 15, 2011
  7. physics

    A sharp image is located 83.0 mm behind a 62.0 mm focal-length converging lens. Find the object distance by calculation.

    asked by John on March 28, 2012
  8. calculus

    Find the midpoint of the line segment joining the points P1 and P2 P1=(-1,5); P2=(2,0) m=(x,y)=? type an ordered pair Please show work

    asked by Lisa on January 1, 2013
  9. maths

    A shopkeeper marks his goods in such a way that after allowing a discount of 25% on the marked price , he still makes a profit of 50%. find the ratio of the C.P. to the M.P.

    asked by harpreet on January 2, 2013
  10. Geometry

    If RS is a midsegment of triangle HIT and parallel to side HI, and RS is 2x + 6 and HI is 5x + 9, write and solve an equation to find the lengths of the segments. How do I go about doing this?

    asked by Steeb on December 10, 2017
  11. Math trig.

    find the length of the arc intercepted by a central angle of 35 degree 28' in a circle of radius 15ft....i cant figure out how to get it ??

    asked by josh on September 15, 2011
  12. Math

    Arectangle has perimeter 64cm and area 23cmsquared. Solve the following system of equations to find the rectangle's dimensions.

    asked by Ariza on October 24, 2009
  13. Math

    The sum of 4 consecutive odd numbers is 296. Write an equation and solve it to find the second highest number.

    asked by Anonymous on April 13, 2016
  14. math

    the front of a regulations goal for a professional sport is 7ft wide and 3ft high, find its area

    asked by Anonymous on September 18, 2010
  15. AP calc

    Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. y = 8x − x^2, y = 12; about x = 2

    asked by Emma on February 19, 2015
  16. Math

    What angle in the first quadrant could you reference to help you find sine and cosine of each of the following angles ? 330 120 113 203

    asked by Aria on April 12, 2016
  17. Algebra(2 of 3)

    The vertices of ABC are A(-3,-4),B(-1,3),C(3,-2). The triangle is rotated 90 degrees counterclockwise. Use the rotation matrix [0 -1][1 0] to find the coordinates of C' A)(-3,2) B)(4,-3) C)(-3,-1) D)(2,3) I chose A [0 -1] x [-3 -1 3][-4 3 -2] =

    asked by Jon on February 18, 2008
  18. Algebra

    Find the final balance of an account with 820 dollars and annual 4% interest for 3 years $29.10 $98.40 $852.80 $918.40********* Is it right?

    asked by pls help!!!!!!!!!!!!!!!!!! on November 29, 2018
  19. maths

    a pair of dice is thrown ...find the probability of getting 7 as the sum if it is knwn that second die is always exihibts a prime number

    asked by Anonymous on December 31, 2012
  20. Algebra

    How do you know which rule to use when it doesn't specify? All it says is find the derivative of the function. I haven't had algebra/calculus in over 20 years, I'm completely lost. Please help

    asked by Averi on February 19, 2015
  21. math

    find the unit rate and use it to write an equation relating the two quantities? 62 dollars to rent 14 video games 62/14?

    asked by bret on February 19, 2015
  22. physics

    There is a sign hanging off of a building. The sign itself is hung at the far end of a rod. The rod is held up by both a pivot on the building's wall, and a vertical cable attached 1 m away from the building to the rod. The cable and the rod make a right

    asked by Anastasia Beaverhausen on August 15, 2007
  23. Physics

    diagram: big triangle mass m with the square angle bottom left and angle theta bottom right.no frition with the horizontal surface. Above that triangle a similar triangle mass m with a shorter hypothenuse (square angle top right, angle theta top left, no

    asked by Anonymous on January 10, 2014
  24. chemistry

    Hey...how r u guys..thanks for helping me on my previous questions...can u help me solve two questions and check one? Thanks, all the questions are related to the info given: In some industrial processes, sodium chromate is added to water coolants. When

    asked by David on June 18, 2006
  25. Language Arts

    Question and answer review Please help Story. (Arturo’s mother asked him to visit his grandfather, who lives in a nursing home. Arturo did not want to go, but he finally agreed and is now sitting with his grandfather.) ^^^^^^^^paragraph 1^^^^^^^^ His

    asked by An hour with Abuelo on November 12, 2015
  26. Chem

    A 76.00-pound flask of mercury costs $159.00. The density of mercury is 13.534 g/cm3. a) Find the price of one cubic inch of mercury by calculating the following intermediate values. What is the price of one pound of mercury? What is the price of one gram

    asked by Zaara on June 28, 2016
  27. Physics

    A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.93 V and a current of 2.7 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which

    asked by Emily on February 18, 2011
  28. math

    I've tried this many times, but I keep getting a really big answer. A rancher wants to fence in an area of 2500000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length

    asked by susie on June 4, 2009
  29. Math

    Can someone please help me? I have one question I need help with. Thanks in advance. 4. Jayden opens a savings account with $100.00. His account pays 4% simple interest. How much money will be in his account one year later if he makes no deposits or

    asked by Quzzy Modo's brother on April 26, 2016
  30. Educational Perspectives,

    In which of the following play centers do young children learn to engage in symbolic play when they substitute objects for real ones, sequence events, and learn use of currency? A. Library B. Block C. Math D. Dramatic play my answer is d.

    asked by Priscila on April 29, 2018
  31. Physics

    A block of mass 2 kg  attached to a spring lies on a flat surface.    When the block is pulled 5 cm to the right a force with a magnitude of 300 N is need to hold it in place.  What is the work done by the spring when the block moves from x = 10 cm to

    asked by Rey on June 25, 2017
  32. math

    The angle of depression of a boat from the mid-point of a vertical cliff is 35 degree.if the boat is 120m from the foot of the cliff,calculate the height of the cliff.help me confirm my answer. Tan35=x/120 x=120tan35 =84.02m

    asked by Bayo on July 15, 2015
  33. math

    The value of a $20,000 car decreases every year, t. The equation below models this situation. 20000(1 - 0.04t) = 13,000 After how many years will the car be worth $13,000? Round to the nearest tenth if necessary. I was instructed that the answer is t =

    asked by Jane on May 7, 2012
  34. math 2

    mera painted equal sections of her bedroom wall to make a pattern. she painted 2/7 of the wall white and1/2 of the wall lavender.write an.equivalent fraction.for each using a common denominator. please help answer. thx

    asked by stephie 23 on January 17, 2013
  35. physics

    How is entropy calculated in the general case? Answer a. By determining the amount of heat absorbed. b. By multiplying P times ΔV and summing over small increments. c. By summing over momenta and positions. d. By summing over probabilities of

    asked by jim on October 15, 2010
  36. Economics M/C

    Hi, I am having difficulty determining the answer for the following question: The market in which the assumption of continuous market-clearing seems to be LEAST applicable is the: a) stock market b) market for wheat c) labour market d) market for federal

    asked by Anonymous on October 22, 2011
  37. Child Development

    Which of the following is TRUE regarding myelination? A) myelination begins prenatally and continues for years after birth. B) Myelination helps nerve impulses travel faster. C) The myelin sheath insulates the nerve cell. D All of these. I think the answer

    asked by Lilly on March 20, 2014
  38. math

    i need help with this homework question: it takes 1and1/3 ounces of cocoa to make a cup of hot cocoa. how many cups can be made from 32 ounces of cocoa? You will need to divide 32 by 1 and 1/3. 1 1/3 = 4/3. 32 divided by 4/3 is the same as 32 x 3/4 because

    asked by stephanie on February 13, 2007
  39. first steps in using a personal computer

    a window frame will expand to fill the entire desktop when you a.double-click the taskbar b.click the title button marked with a single square c.click the titlebar marked with two overlapping squares my answer is c

    asked by susue on November 13, 2013
  40. Calculus

    A spherical balloon is being inflated at a rate of 10 cubic inches per second. How fast is the radius of the balloon increasing when the surface area of the balloon is 2pi square inches? Enter your answer correct to 3 decimal places.

    asked by Anonymous on March 28, 2011
  41. Math

    Which of the following represents a permutation? (Pick from multiple choice answer listed below) I. The top 4 finishers in a car race II. Choosing 4 apples from a bag with 10 apples III. A committee of 6 representatives from a class A. I. only B. II. only

    asked by Happy Face on June 4, 2009
  42. TO ALL JISKHA STAFF!!!

    I did a test to all the website that supposedley give you help with your homework, i have to say your is the best becuase it is very invormative and you don't give the answer you let the kids learn what it is by themselves and you encourage them i give you

    asked by Anonymous on September 12, 2006
  43. physics

    During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 1.96 km/s at an initial inclination of 48.2◦ to the horizontal. The acceleration of gravity is 9.8 m/s2 . How far away did the

    asked by Anonymous on October 20, 2010
  44. Geometry

    The outside diameter of a pipe is 5 cm. The inside diameter is 4 cm. The pipe is 4 meters long. What is the volume of the material used for this length of pipe?Round your answer to the nearest cubic centimeter. (Hint: be sure that all units are in

    asked by Nevaeh on April 11, 2016
  45. Math

    A penny is dropped onto a rectangular surface. If it is equally likely for the penny to land anywhere inside the large rectangle, what is the probability that all or part of the penny will come to rest inside the shaded area? Round your answer to the

    asked by Lu on June 4, 2017
  46. physics

    If 335 g of water at 65.5 °C loses 9750 J of heat, what is the final temperature of the water? Liquid water has a specific heat of 4.18 J/(g.°C). °C (Answer a number only, no units. Round to the tenth place). This is an example of an endothermic or

    asked by sara on May 22, 2017
  47. Physics

    Problem 17.8 Light from a sodium lamp (wavelenght = 598) illuminates two narrow slits. The fringe spacing on a screen 150cm behind the slits is 4.0 mm . Part A - What is the spacing (in mm ) between the two slits? Express your answer using two significant

    asked by Paige on November 9, 2011
  48. Physics

    An acrobat hangs by his hands from the mid- dle of a tightly stretched horizontal wire so that the angle between the wire and the hori- zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is

    asked by Letisha on November 12, 2009
  49. Physics

    An acrobat hangs by his hands from the mid- dle of a tightly stretched horizontal wire so that the angle between the wire and the hori- zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is

    asked by Letisha on November 12, 2009
  50. math 2

    mera painted equal sections of her bedroom wall to make a pattern. she painted 2/7 of the wall white and1/2 of the wall lavender.write an.equivalent fraction.for each using a common denominator. please help answer. thx

    asked by stephie 23 on January 17, 2013
  51. chemistry

    Assume that 50ml of 0.01M edta solution were added to 25ml of co solution and the excess edta required 20ml of 0.005M mg solution. Calculate ppm co+ present. The answer 942ppm Bob helps me

    asked by Fai on March 2, 2013
  52. Physics

    An acrobat hangs by his hands from the mid- dle of a tightly stretched horizontal wire so that the angle between the wire and the hori- zontal is 12.5◦. If the acrobat’s mass is 88.8 kg, what is the tension in the wire? The acceleration of gravity is

    asked by Letisha on November 12, 2009
  53. chemistry

    Estimate the fraction of of unoccupied atomic sites in lead (Pb) at a temperature 10K below its melting point. DATA: Vacancy Fraction, nv/N T (degrees C) 1.8*10-7 100 7.2*10-6 200 Express your answer in terms of vacancy fraction, nv/N:

    asked by ssss on April 27, 2013
  54. math

    two stores carry similar stereos for the same original price of $573. one store (lets say homegoods)offers a 16% discount and the second store, sells it for $458.40. which store gives the better discount (im stuck i dont know how to answer this plz help)

    asked by Shannon on January 10, 2018
  55. English

    This question is for the play Antigone In the last few lines of Ode 4, the chorus places responsibility for Antigone's death on a. Niobe b. Creon c. the family curse d. Antigone herself From reading Ode 4, I know that the answer is not A or B. Personally,

    asked by yupp on November 13, 2017
  56. Chemistry

    A 6.8 g sample of metal pellets is placed into a graduated cylinder holding 7.1 ml of water. After the pellets are added, the water level stands at 9.30 ml. Determine the density of the pellets. (show all work) I've tried 6.8 g / 9.30 ml and .97-.71 to get

    asked by Mal on September 4, 2014
  57. Physics

    Problem 17.8 Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A - What is the spacing (in mm ) between the two slits? Express your answer using two significant

    asked by Paige on November 7, 2011
  58. Math

    The concentration C(t), in milligrams per cubic centimetre, of a certain medicine in a patient's bloodstream is given by C(t)= (0.1t)/(t+3)^2 where t is number of hours after the medicine is taken. Determine the maximum and minimum concentrations between

    asked by Jake on March 3, 2012
  59. Physics

    Problem 17.8 Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A - What is the spacing (in mm ) between the two slits? Express your answer using two significant

    asked by Paige on November 7, 2011
  60. Science

    Can someone help me answer some questions. Homes near warm climate get a) colder winters b)warmer winters c) cold and warm winters d) none of the above When there is moisture in the air from a hot shower, the water is in which form: a) solid b) liquid c)

    asked by Anna on May 3, 2014
  61. physics

    A hockey puck on a frozen pond is given an initial speed of 20.0 m/s. If the puck always remains on the ice and slides 115 m before coming to rest, determine the coefficient of kinetic friction between the puck and ice. (Answer: = 0.177 k μ )

    asked by michael on February 11, 2012
  62. Physics

    A skateboarder starts up a 1.0-m-high, 30∘ ramp at a speed of 7.2 m/s . The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express

    asked by Abby on September 30, 2016
  63. writing skills

    3. Which of the following sentences has a compound predicate? A. She raced along the path to beat him to the beach. B. She placed the shells in a plastic bag while he dried himself off. [C. She washed the shells and dried them in the sun.] D. While he

    asked by jake on July 2, 2012
  64. Probability

    Thank you for the explanation MathMate! Would the answer to this question be A? Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that

    asked by Student on March 4, 2012
  65. math

    solve the equation below algebraically and express the result in simplest radical form 13/x=10-x I did 13/x=10-x multiplied each side by x and then subtracted 13 to get 0=13-(10x-x^2) x^2-10x+13=0 x=(10+/- square root of 100-52)/2 x=(10=/- 4square root 3)

    asked by sara on March 10, 2019
  66. physics

    During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.39 km/s at an initial inclination of 49.6 ◦ to the horizontal. The acceleration of gravity is 9.8 m/s 2 . How far away did the

    asked by Khadija on November 26, 2014
  67. Chemistry

    Laughing gas (nitrous oxide, N2O) is sometimes used as an anesthetic in dentistry. It is produced when ammonium nitrate is decomposed according to the reaction NH4NO3(s) −! N2O(g) + 2H2O(§¤) . How much NH4NO3 is required to produce 54.5 g of N2O?

    asked by danny on April 9, 2015
  68. physics

    please check my answer An electron moves north at a velocity of 9.8 * 10^4 m/s and has a magnetic force of 5.6 * 10^-18 N west exerted on it. If the magnetic field points upward, what is the magnitude of the magnetic field? F=BqV F= 5.6 * 10^-18N q= 16 *

    asked by physics on March 19, 2009
  69. Pre-Ap Physics

    During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.65 km/s at an initial inclination of 41.9◦ to the horizontal. The acceleration of gravity is 9.8 m/s 2 . How far away did the

    asked by Maria on September 24, 2012
  70. math

    In January 2009, the state of Nevada was facing a budget deficit of $1.5 billion. The population of the state was approximately 2 million. How much would each person in the state have to contribute to pay this deficit? please send me the answer to

    asked by billy savary on August 25, 2015
  71. Physics

    A 5.81 10-5 H solenoid is constructed by wrapping 62 turns of wire around a cylinder with a cross-sectional area of 8.20 10-4 m2 When the solenoid is shortened by squeezing the turns closer together, the inductance increases to 8.94 10-5 H. Determine the

    asked by Ashley on March 17, 2013
  72. physics

    A(n) 96.1 g ball is dropped from a height of59.1 cm above a spring of negligible mass.The ball compresses the spring to a maximum displacement of 4.75403 cm.The acceleration of gravity is 9.8m/s^2. Calculate the spring force constant k. Answer in units of

    asked by Anonymous on March 18, 2013
  73. Physics

    During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.11 km/s at an initial inclination of 39.4◦ to the horizontal. The acceleration of gravity is 9.8 m/s2 . How far away did the

    asked by Anonymous on November 22, 2011
  74. Physics

    During World War I, the Germans had a gun called Big Bertha that was used to shell Paris. The shell had an initial speed of 2.11 km/s at an initial inclination of 39.4◦ to the horizontal. The acceleration of gravity is 9.8 m/s2 . How far away did the

    asked by Anonymous on November 22, 2011
  75. physics

    Problem 17.8 Light from a sodium lamp (wavelength = 598) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A - What is the spacing (in mm ) between the two slits? Express your answer using two significant

    asked by Paige on November 8, 2011
  76. ss

    which of the following was one of the influences of the Roman republic in the farming of the constitution. a. a centralized government that provides for more order b. elected representatives who are the voice of the people c. a judicial system that is

    asked by Star on October 30, 2018
  77. Physics

    Problem 17.8 Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm . Part A - What is the spacing (in mm ) between the two slits? Express your answer using two significant

    asked by Paige on November 7, 2011
  78. math

    jhon needs to bulid a fence around his yard , which is 96 ft. wide and 120 ft. deep. A.how much fence mst he buy to enclose all four sides?answer: B .if the fence cost$12.87 for an 8 ft. length, how much will the entirefence cost befor the tax is added?

    asked by cindy on December 7, 2010
  79. general

    From a standard deck of 52 cards, all of the clubs and the jack of diamonds are removed. Two cards are drawn at random from the altered deck without replacement. What is the probability that both cards will be of the same suit? Justify your answer, which

    asked by nathon on April 5, 2011
  80. Physics

    A 2010 kg car traveling to the west at 18.5 m/s slows down uniformly under a force of 8880 N to the east. a) How much force would be required to cause the same acceleration on a car of mass 3120 kg? How far would the car move before stop- ping? Answer in

    asked by Eileen on November 13, 2011
  81. Algebra

    There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x. What is the area of the part of the yard that is not covered by the circle? I keep coming up with 4x(5)but I don't think that is

    asked by Sandra on September 24, 2014
  82. History

    If you are getting rid of slavery, how are you going to care for 3.5 million homeless, unemployed and uneducated former slaves? What I thought was to make schools and build homes for them so the slaves can make a career for themselves, however I am not

    asked by Nicole on April 27, 2013
  83. physics

    Shaking a towel up and down would create what type of wave in the towel? A. Transverse

    asked by sophie on April 4, 2009
  84. math

    Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 students. What is the probability that at most 4 students have taken chemistry? Round the answer to the nearest thousandth. A)0.008 B)0.438 C)0.562 D)0.665

    asked by zeke on August 11, 2014
  85. statistics

    For a class actvitity, your group has been assigned the task of generating a quiz question that requires use of the formuala for conditional probability to compute P(B|A). Your group comes up with the following question: "If P(A and B) = 0.40 and P(A) =

    asked by Michelle on August 16, 2011
  86. chemistry

    A 0.0583 mol sample of formaldehyde vapour, CH2O, was placed in a heated 0.359 L vessel and some of it decomposed. The reaction is CH2O(g)---> H2(g) + CO(g). At equilibrium, the CH2O concentration was 0.0449 M. What is the value of Kc for this reaction? my

    asked by alex on April 20, 2013
  87. Chem help

    Which reaction of ammonia does not involve the non-bonding pair of electrons on the nitrogen atom? A NH3(g) + CH3I(g) → CH3NH 3+ I –(s) B NH3(g) + HCl (g) → NH4Cl (s) C 2NH3(l) + 2Na(s) → 2NaNH2(s) + H2(g) D 2NH3(aq) + Ag+(aq) → [Ag(NH3)2]+(aq)

    asked by Ariana on September 28, 2014
  88. Electric fields and Coulomb's law

    Please, I need help with this question. An ion harvester is scouring deep space for isolated xenon (Xe+) ions. A xenon ion is singly ionized, and has a charge of +e. If the field meter reads 0.000000202 N/C, how far away is it from the ion?

    asked by Kathy on April 21, 2013
  89. Chemistry

    While in Europe, if you drive 105 per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 25.0? Assume that 1 euro = 1.26 dollars. Express your answer numerically in dollars.

    asked by Liz on January 5, 2012
  90. working with data

    Mary rolls 2 number cubes with sides numbered from 1 to 6. if she rolls a 3 on one of the cubes , what is the probability that the sum of the numbers facing up on both cubes is greater than or equal to 5? express your answer as a decimal rounded to the

    asked by jullie on February 23, 2008
  91. english

    Although Max bled profusely before he died, there was no blood on the ground where his body was found. Therefore, he was killed somewhere else and brought here after the murder. a) true beyond a reasonable doubt b) probably true c) possibly true or

    asked by Karen on April 14, 2008
  92. Math

    An organization will give a prize to a local artist. The artist will be randomly chosen from among 7 painters, 4 sculptors, and 5 photographers. What is the probability that the artist chosen will be a painter or a photographer? Write your answer as a

    asked by Barry Vacker on February 19, 2019
  93. biology

    Question: What are the distinguishing characteristics of prokaryotes? My Answer: Prokaryotes range in size from 1 to 5 micrometers, making them much smaller than most eukaryoteic cells. Prokaryotes can be divided into two very different groups Eubacteria

    asked by BOO! on October 1, 2011
  94. Chem Home Work Help!

    I am a bit confuse with a question from a home work that I need to do by today please help! HW question... 1) A sample of neon gas occupies 8.77 L at 20°C. What is the pressure, in atmospheres, exerted by 1.45 mol of this gas? When you've gotten the

    asked by Sujeil on April 29, 2008
  95. Chemistry

    A sample of hydrogen gas (H2) was found to effuse at a rate equal to 6.7 times that of an unknown gas. The molecular weight of the unknown gas is __________ g/mol. Express your answer to one (tenth) decimal place.

    asked by Camarra on April 22, 2010
  96. English 7 Help! - please read

    In the second paragraph the author writes "Of all the things for which Jamie held a soft spot in her heart, the tree house was perhaps the dearest". What does the phrase "soft spot" mean in this sentence? My Answer - the part that is soft.... ok im having

    asked by Laruen on April 15, 2012
  97. Chemistry

    Estimate the fraction of of unoccupied atomic sites in lead (Pb) at a temperature 10K below its melting point. DATA: Vacancy Fraction, nv/N T (degrees C) 1.8*10^-7 100 7.2*10^-6 200 Express your answer in terms of vacancy fraction, nv/N:

    asked by Anonymous on April 25, 2013
  98. Math Division polynomials

    Mr.Aquino wants to paint the ceiling of a room that has length of (c^2+2cd+d^2) meters and width of (c+d) meters. If one can of paint will cover (c+d)^2 square meter, what is the minimum number of cans of paint needed? Express your answer as a polynomials.

    asked by Anonymous on July 14, 2017
  99. Chem

    The galvanic cell described by the cell notation has a standard emf (electromotive force) of 4.05 V. Calculate the value (kJ) for the ΔG˚ of the cell. Round your answer to 3 significant figures. Mn(s) l Mn2+(aq) ll F2(g) l F-(aq) l Pt(s) St. Red. Pot.

    asked by Jess on November 14, 2011
  100. Calculus

    (1 point) The function f(x)=4x3+24x2−252x+1 is decreasing on the interval ________________ Enter your answer using the interval notation for open intervals. It is increasing on the interval(s) __________________ The function has a local maximum at

    asked by Ashton on November 14, 2018

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