Newest questions and responses by julia
  1. World geography

    PLEASE HELP!! Choose three large cities. Explain what direction you would travel in a straight line to be cities from where you live. Use the four cardinal directions and a intermediate directions to explain the relative location of the cities. Give your

    asked on February 12, 2019
  2. Math, Algebra

    Suppose you have 3 pieces of string measuring 4 inches, 5 inches, and 10 inches. How many unique triangles can you form with these pieces of string? A. 0 B. 1 C. 2 D. Infinitely Many

    asked on January 15, 2019
  3. Language

    Restate the theme you selected in the previous question. Support that theme with two details from the selection.

    asked on November 28, 2018
  4. Journalism

    What type of lead addresses the audiance as you? (I cant find anything anywhere on it)

    asked on October 17, 2018
  5. Journalism

    Where should you include the source attribution for information you have quoted in a article? A) in the lead paragraph of the article B) After the first sentence of quoted material from the source C) At the end of all the material quoted from the source D)

    asked on August 29, 2018
  6. math

    Nine less than the quotient of two and a number xxx

    asked on August 24, 2018
  7. History

    Share two examples in American history of how the people of America shifted their ideologies from one set of beliefs to another. Why did this happen? What were the political, economic and social conditions that led to this shift?

    asked on July 19, 2018
  8. AP Physics

    You're driving down the highway late one night at 18 m/s when a deer steps onto the road 42 m in front of you. Your reaction time before stepping on the brakes is 0.50 s , and the maximum deceleration of your car is 10 m/s2 . A.)How much distance is

    asked on March 29, 2018
  9. AP Physics

    You're driving down the highway late one night at 18 m/s when a deer steps onto the road 42 m in front of you. Your reaction time before stepping on the brakes is 0.50 s , and the maximum deceleration of your car is 10 m/s2 . A.)How much distance is

    asked on March 29, 2018
  10. science

    A 63 kg astronaut on a spacewalk when his line breaks. He throws a 10 kg o2 tank away from the ship with a v=12 m/s. This propels him back to the ship. Assume his v1=0; what is his v2?

    asked on February 4, 2018
  11. math

    the number of ways you can order a two-course meal from a restaurant offering 12 main courses and 8 appetizers

    asked on January 6, 2018
  12. Environmental science

    I have to make a paper mache animal and show changes in that animal because they needed to adapt. I wanted to make a dog fly but then I couldn't really find any research on why that species would fly. Can you point me to an animal I could change besides a

    asked on December 20, 2017
  13. chemistry

    I think it is a trick question as I can not balance this equation . Balance this equation Na(CO3)2+H2SO4=NA(SO4)2+H2O+CO2

    asked on November 14, 2017
  14. 6th grade math

    Zachary saved x nickels and y dimes last month. Lily saved x nickels and 2y dimes. Lily saved $2 more than Zachary and the total number of her dimes is 4 times the total number of her nickels. a) How many coins does Zach have? b) How much did Lily save? c)

    asked on October 2, 2017
  15. Calculus

    Hi, could someone please help me with this question? Thanks Calculate the Maclaurin series of f(x)=4x^3*sin(x^4). Explicitly use the Maclaurin series for sine. Using this series for f(x), verify that the integral of 4x^3*sin(x^4)dx=-cos(x^4)+C.

    asked on July 7, 2017
  16. Science

    In what fields would a lab technician need to separate & identify organic items? I looked it up and it said organic chemistry, forensics.. . I'm not which one because couldn't it range?

    asked on May 7, 2017
  17. Chemistry

    The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 24.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode. How would I go about this problem? I am extremely confused

    asked on April 30, 2017
  18. Chemistry

    The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 24.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode. How would I go about this problem? I am extremely confused

    asked on April 30, 2017
  19. Chemistry

    In a reaction Mg(s) + 2HCl(aq) → H2(g) + MgCl2(aq), 6.00 g of Mg was present at 0.00 min. After 3.00 min, 4.50 g of Mg remained. Express the average rate as mol of Mg consumed per minute. I was taught how to use molarity but this question does not tell

    asked on April 30, 2017
  20. Chemistry

    Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Cr2 ] = 0.875 M and [Ni2 ] = 0.0100 M. I keep on getting the answer .42 which is incorrect. Thank you so much in advance!

    asked on April 23, 2017
  21. AP US History

    To what extent did economic factors, national identity, and the federal government maintain continuity and foster change in the lives of African Americans from 1789-1877?

    asked on April 10, 2017
  22. Physical science

    Which of the following is not a use for radioactive isotopes? a.as tracers for diagnosing a disease b.as an additive to paints to increase durability c.as a way to treat forms of cancer d.as a way to study biochemical processes in plants

    asked on March 30, 2017
  23. Chemistry

    Refer to the table given for the ionic radii in your lab manual and approximate the attractive portion of the lattice energy for 1 mole of the following salts. (Consider only one bond if more than one bond exists.) a) Ca3P2 ___J b) MoCl4 ___J c) Cs2O ___J

    asked on March 21, 2017
  24. physics

    A block is sent up a frictionless ramp along which an x-axis extends upward. The figure below gives the kinetic energy of the block as a function of position x. If the block’s initial speed is 4.00 m/s, what is the normal force on the block? (initial KE

    asked on March 16, 2017
  25. Math

    a basketball team won 60% of the first 70 games it played. there are 40 games still to be played in the season. How many of the remaining games must the team win in order to end the season with a 70% win record?

    asked on February 18, 2017
  26. Chemistry.HELP (IONS)

    Determne the boiling point of 16.3g of calcium chloride dissolved in 250. g water. My work: 16.3 g CaCl2 *(1 mole CaCl2/110.984 g Cacl2)= 0.147 mol CaCl2 M= 0.147/0.250kg =0.588 mCaCl2 ... From here, How do you find out how many ions CaCl2 has. Calcium has

    asked on February 9, 2017
  27. home business, not school

    if I have a package of 470 beads and the package costs $8.90 how much is each individual bead?

    asked on February 8, 2017
  28. math

    Georgetown and Franklin are 9.7 in apart on a map that has a scale of 1.1 in : 15 mi. How far apart are the real cities?

    asked on January 31, 2017
  29. Chemistry

    How much heat (in kilojoules) is required to warm 11.0 g of ice, initially at -14.0 ∘C, to steam at 112 ∘C? The heat capacity of ice is 2.09 Jg−1∘C−1 and that of steam is 2.01 Jg−1∘C−1.

    asked on January 30, 2017
  30. Pre-algebra

    ughhhhhh! PA is so hard! my teacher is constantly comparing us to the regular math saying that if we can't figure it out then we should ask them. What does that even mean? we are more advanced! anyway... this website helps so much. Im definitely going to

    asked on January 24, 2017
  31. Journalism

    What are the rights of public official/figures vs a private citizen? Thanks for the help!

    asked on December 18, 2016
  32. Algebra

    Find the range of f(x)=-4.7+1 for the domain {-1,3,5,8} ^thats all the problem says, HELP^

    asked on December 13, 2016
  33. Physics

    A 55.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1480 N. If the diver comes to rest 5.6 m below the water's surface, what is the total distance between the diving board and the

    asked on December 5, 2016
  34. math

    When a chemist dilutes pure acid with another substance, the resulting mixture is no longer pure acid. Consistent with the words, pure acid is 100% acid. So, there are 20 grams of pure acid in 20 grams of a pure-acid solution. Laura, a chemist, has 20

    asked on December 4, 2016
  35. Chemistry

    To increase the acidity of soil, you can add peat, which contains a complex acid mixture known as humic acid. The complexity of the humic acid makes it difficult to determine how acidic you are making the soil. You decide to use a titration to get a better

    asked on November 20, 2016
  36. Business Math

    One manufacturer needs to calculate the net price of an order with a list price of $700 and a trade discount series of 11/9/6 Use the net decimal equivalent to find the net price.

    asked on November 1, 2016
  37. Business Math

    One manufacturer needs to calculate the net price of an order with a list price of ​$700 and a trade discount series of 11/9​/6 Use the net decimal equivalent to find the net price.

    asked on November 1, 2016
  38. Science

    A tree that sheds its leaves in the fall is exhibiting. A geotropism B photomotropism C phototropism D photoperiodism

    asked on October 31, 2016
  39. math

    separate 50 into 2 parts such that 3 times the smaller is 10 less than twice the larger. Find both parts.

    asked on October 24, 2016
  40. physics

    Assume: A 78 g basketball is launched at an angle of 54.5 ◦ and a distance of 10.4 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as

    asked on October 19, 2016
  41. math

    Christie pilots her plane for 360 mi against a headwind in 33 hrs. The flight would take 22 hrs and 15 mins with a tailwind of the same speed. Find the headwind and the speed of the plane in still air.

    asked on October 16, 2016
  42. Chemistry

    If a solution containing 107.68 g of mercury(II) perchlorate is allowed to react completely with a solution containing 17.796 g of sodium sulfide, how many grams of solid precipitate will be formed?

    asked on October 11, 2016
  43. Chemistry

    B2O3(s) + 3C(s) + 3Cl2 (g) ---> 2 BCl3(g) + 3CO(g) How many moles of chlorine are used up in a reaction that produced 0.35 kg of BCl3 I do not understand please help

    asked on October 4, 2016
  44. Chemistry

    2NO(g) + O2 (g) --> 2NO2 How many grams of NO are required to react fully with 5.00 mol of O2? I do not understand any of this please help

    asked on October 4, 2016
  45. English

    What is the meaning behind the poem "you are reading this too fast" by ken norris?

    asked on September 11, 2016
  46. Geometry

    Triangle XYZ below is an isosceles triangle with legs XY and ZY. QR and QS are perpendicular bisectors of triangle XYZ. Find the length of segment QR if QR = ½ x and QS = -½ x + 4.

    asked on August 15, 2016
  47. math

    Hi, I have been trying to figure this one math problem for awhile and I am stuck. I believe the answer is between A or B. Skip is practicing tennis serves against a wall. The distance between Skip and the tennis ball, in feet, at any time T, measured in

    asked on May 30, 2016
  48. Geometry

    What is the cordinates for the midpoint with the endpoints given? (3,5) (-2,0)

    asked on May 13, 2016
  49. Chemistry

    Concentrated nitric acid is 70% HNO3 and 14.7 M. What is the density of the solution?

    asked on May 12, 2016
  50. Chemistry

    What is the oxidation state of chromium in cr2o7^-2

    asked on May 4, 2016
  51. Science

    1. Which of the following could be an engineering project that could better protect the planet? -finding a new landfill site -designing a better trash compacter -deciding which product can be recycled*** -growing microbes that eat oil 2. Engineers who are

    asked on April 25, 2016
  52. math( surface area )

    The height of a rectangular prism is 20 centimeters. It has a surface area of 2,400 square centimeters. What are two possible sets of lengths and widths? Find one set of dimensions with l and w equal in length as well as a set of dimensions that are not

    asked on April 4, 2016
  53. math( surface area)

    write a product that represents the surface area of any rectangular prism with length l, width w, and height h. Expain.

    asked on April 3, 2016
  54. Math

    The length of the hypotenuse of a right triangle is 2m more than the longer leg. The longer leg is 7m longer than the shorter leg. Find the perimeter of the triangle. ( please explain as you go)

    asked on March 31, 2016
  55. chemistry

    If you place 5 mg NiCO3 in 1 L of pure water, does all the salt dissolve? If not, how much salt remains undissolved? The Ksp for NiCO3 is 6.6x10^-9 M.

    asked on March 24, 2016
  56. chemistry

    For CaCrO4, Ksp= 7.1x 10^-4. How many grams of Na2CrO4 must be added to 200 mL of .250 M Ca(NO3)2 to just initiate precipitation?

    asked on March 24, 2016
  57. Math

    David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are whole numbers, which of the following could be the perimeter of the pen? - p = 26 ft - p = 28 ft - p = 30 ft - p = 36 ft

    asked on March 15, 2016
  58. geometry/algebra

    The algebraic expression of a dilation is (x, y) changes to (1/a x, 1/a y). If the dilation is an enlargement, give three possible values of a. Anything over 1 for the denominator would make the x and y values smaller. So what would the possible values be

    asked on March 6, 2016
  59. English

    Edgar Allan Poe uses a pair of rhyming words to describe trying to hold sand in “A Dream Within a Dream.” In a short paragraph, tell what the words are and how they express the speaker’s feelings. Use details from the poem to support your answer. I

    asked on February 26, 2016
  60. Algebra

    James has a 6-ft board that is 24 in. wide. He wants to cut it into five pieces to make a small bookshelf with two shelves. The front and back will not be covered. What should be the dimensions of the bookshelf to maximize the volume and use all of the

    asked on February 22, 2016
  61. criminal justice

    Schlomo occasionally drinks beer with friends. His drinking doesn’t interfere with his job or personal obligations. He gets a pleasant “buzzed” feeling from two beers and doesn’t feel a need to drink more. Alcohol has not caused him any physical or

    asked on February 1, 2016
  62. History of Drugs

    The Great Experiment is often used when referring to? I think it is the Prohibition Era, The Eighteenth Amendment but I am not sure.

    asked on February 1, 2016
  63. physics

    A batter hits a ball, causing it to leave the bat at 135 m/s and at an angle of 18.3 degrees from the horizontal. If the baseball field is level, and ignoring the height at which the batter hits the ball, how far (horizontally, in meters) away from the

    asked on January 27, 2016
  64. physics

    In a cathode-ray tube, electrons are projected horizontally at 1.0×10^6 m/s and travel a horizontal distance 11.5 cm across the tube. How long are the electrons in flight? Express your answer to two significant figures and include the appropriate units.

    asked on January 27, 2016
  65. Chemistry

    Balance the equations for oxide reduction method: KMnO4 + KCl ---> MnCl2 + Cl2

    asked on January 26, 2016
  66. math

    Find the product of 5 and 4 . Express your answer in simplest form.

    asked on January 21, 2016
  67. physics

    an aluminum cylinder, of height h=2ocm and of radius r=1ocm, rests with its base on a horizontal table. Density of aluminum P=2700kg/m^3 a-calculate the weight of the cylinder take g=10N/kg b-what is the value of the force exerted by the table on the

    asked on January 20, 2016
  68. pre calc

    Suppose you get on a Ferris Wheel that has a diameter of 40 meters and turns at a rate 1.5 revolutions per minute (the period is not 1.5 ) the height above the ground in meters, of your seat after t minutes can be modeled by an equation. Assume you get on

    asked on December 9, 2015
  69. southwest

    5650 is compounded semiannually at 18% for 16 years

    asked on November 11, 2015
  70. Physics

    You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 45.8 N*m. Using the data in the figure below (L = 0.287 m and θ = 49.6°), determine the magnitude F of the force that you

    asked on November 9, 2015
  71. math

    A culture starts with 8300 bacteria. After one hour the count is 10,000. (a) Find a function that models the number of bacteria n(t) after t hours. (Round your r value to three decimal places.)

    asked on November 6, 2015
  72. math

    A wooden artifact from an ancient tomb contains 70% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your answer to the nearest whole number.)

    asked on November 6, 2015
  73. Algebra

    If one earthquake is 160 times as intense as another, how much larger is its magnitude on the Richter scale? (Round your answer to one decimal place.)

    asked on November 6, 2015
  74. Physics

    Starting from rest at t = 0 s, a wheel undergoes a constant angular acceleration. When t = 1.6 s, the angular velocity of the wheel is 5.9 rad/s. The acceleration continues until t = 19 s, when the acceleration abruptly changes to 0 rad/s2. Through what

    asked on November 4, 2015
  75. Math

    First vehicle is traveling at 50 miles per hour. Second car is traveling at 65. They ate 15 feet apart when the second cars slammes on break. Will they have a empack and at what speed.

    asked on October 28, 2015
  76. math

    Sharon spent $2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on lunch. She has $12 left. How much money did sharon start with?

    asked on October 21, 2015
  77. Physics

    From what height would a car weighing 9990 N have to fall to gain the kinetic energy equivalent to what it would have when traveling 64.87 mi/hr?

    asked on October 21, 2015
  78. Physics

    A 1600 kg block of granite is pulled up an incline that has an angle of inclination θ = 20 ° with a constant speed of 1.21 m/s by a steam winch (see Figure). The coefficient of kinetic friction between the block and the incline is 0.09. How much power

    asked on October 19, 2015
  79. Physics

    I don't understand this at all! use the position equation s=-16t^2 +v0t+s0 to write a function that represents the situation. Find the average rate of change from t1 to t2. a) An object is thrown upward from a height of 6 feet at a velocity of 64 feet per

    asked on October 19, 2015
  80. Physics

    A bullet is fired from a rifle that is held 1.70 m above the ground in a horizontal position. The initial speed of the bullet is 1078 m/s. Calculate the time it takes for the bullet to strike the ground.

    asked on October 19, 2015
  81. math

    geologists estimate that earths temperature rises about 10 degrees celsius for every kilometer k below earths surface. suppose it is 50 degrees celsius on the surface of the earth. What is the formula for the temperature t in degrees celsius at a dept of k

    asked on October 5, 2015
  82. physics

    A rock is dropped from a tree of height 22 m into a lake (depth 4.0 m) below. After entering the water, the rock floats gently down through the water at a constant speed of 1.4 m/s to the bottom of the lake. What is the total elapsed time?

    asked on October 4, 2015
  83. science

    True or False? Can someone check to see if I am correct. If not, why? a) Two samples of matter have the same volume must have the same density FALSE: could have different densities b) two samples of matter having the same volume and the same number of

    asked on September 26, 2015
  84. Science

    True or False? Can someone check to see if I am correct. If not, why? a) Two samples of matter have the same volume must have the same density FALSE: could have different densities b) two samples of matter having the same volume and the same number of

    asked on September 26, 2015
  85. science

    The modern atomic model includes electrons orbiting the nucleus. Which of the following parts of Dalton's atomic model was disproved by the discovery of the electron? - Atoms are tiny particles. - Atoms cannot be divided into smaller parts . - Atoms have

    asked on September 23, 2015
  86. Math

    Geddy has a pool with a volume of 25.0m^3. It costs $2.35 per cubic foot (ft^3) to clean. How much will it cost to clean the pool?

    asked on September 22, 2015
  87. language arts

    ms. sue please help the characterization of the children is an important part of "The Story-Teller". which of the following quotes from the story offers the best evidence for the character of Cyril being mischievous? A. the children moved reluctantly to

    asked on September 16, 2015
  88. Math

    the area of a square is equal to one less than one-half its perimeter. How long is each side? (A=s squared and P=4s, where s represents the side length of the square)

    asked on August 29, 2015
  89. Math

    7 digit number no repetition of numbers digit 5 in thousands place, greatest digit in the millions place, digit in the hundred thousands place is twice the digit in the hundreds place, digit in the hundreds place is twice the digit in the ones place, digit

    asked on August 20, 2015
  90. Geometry

    A carpenter checks to see if a board is warped by laying a straightedge across the board in several directions. State the postulate that is related to this procedure.

    asked on June 22, 2015
  91. math

    2.If a sledgehammer that weighs 18 newtons on Earth will weigh about 4 newtons on the planet Namar, then your weight on Namar would be about ___ times your weight on Earth. A. 0.25 B. 4 C. 0.5 D. Not enough information

    asked on May 14, 2015
  92. math

    At Frugal Foods a loaf of bread cost about $1 in 1980. In 2013, the loaf of bread cost $2.50. 1.A ratio is a comparison of two amounts by division. What is the ratio of the cost of a loaf of bread in 2013 to the cost in 1980? *$2.50/1 2.Assuming the price

    asked on May 13, 2015
  93. math

    maya made a sign with an area of 48 square centimeters What could her sign look like

    asked on May 5, 2015
  94. chem

    For the reaction: N2+3H22NH3 4.000 mol N2, 2.000 mol H2, and 6.000 mol NH3 are placed in a 2.000 L container and allowed to reach equilibrium. When equilibrium is established the [H2]=2.77 M. Calculate the equilibrium concentrations of nitrogen and

    asked on April 19, 2015
  95. chem

    For the reaction: N2+3H2 2NH3 1.000 mol N2 and 1.000 mol H2 are placed in a 1.000 L container and allowed to establish equilibrium. When equilibrium is established the [N2] =0.921M. Calculate the equilibrium concentrations of hydrogen and ammonia.

    asked on April 19, 2015
  96. chem

    For the reaction: A+B 2C (all gases) 2.0 mol A, 2.8 mol B and 1.0 mol C are placed in a 2.0 L container and allowed to reach equilibrium. When equilibrium is established [C]=0.75 M. Calculate all equilibrium concentrations. Calculate K. I am so confused!

    asked on April 19, 2015
  97. math

    June has twice as much money invested at 5% simple annual interest as she does at 4 %. If her year income from the two investment is $315 how much does she have at each rate?

    asked on March 20, 2015
  98. English

    Identify awkward or pretentious diction in the following sentences, and revise each sentence as necessary to improve clarity. 2. Let’s have a discussion of the essay you read for homework. 3. Khaya finally came to the realization that she preferred

    asked on March 16, 2015
  99. science

    A charge of +9.0 nC and a charge of +4.0 nC are separated by 50.0 cm. Find the equilibrium position for a −1.0 nC charge as a distance from the first charge. The Coulomb charge is 8.98755 × 109 N · m2 /C 2 . Answer in units of cm.

    asked on March 13, 2015
  100. Chemistry

    I have to use the given concentration of 7.03 micromoles/liters to determine the concentration for the following dilutions. 1. mL stock solution-2 mL distilled water-8 2. mL stock solution-4 mL distilled water-6 3. mL stock solution-6 mL distilled water-4

    asked on February 24, 2015


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