Most popular questions and responses by Sofia
  1. algebra - HELP

    1. which solid has one base that is a rectangle and four lateral surfaces that are triangles? (1 point ) triangular pyramid ****** cone rectangular prism rectangular pyramid 2. Sarah needs to cover the lateral area and the base on top of the cylinder? ( 1

    asked on March 27, 2018
  2. Calculus 1

    You have 8L feet of fence to make a rectangular vegetable garden alongside the wall of your house, where L is a positive constant. The wall of the house bounds one side of the vegetable garden. What is the largest possible area for the vegetable garden?

    asked on March 26, 2018
  3. chemistry

    which of the following processes is more easily observable for light with a short wavelength? a. the photoelectric effect b. radio transmission c. diffraction d. interference

    asked on January 13, 2012
  4. Math

    How can you use rate to compare the costs of two boxes of cereal that are different sizes?

    asked on November 9, 2017
  5. Chem

    Your spaceship has docked at a space station above Mars. The temperature inside the space station is a carefully controlled 24 ∘C at a pressure of 745 mmHg. A balloon with a volume of 414 mL drifts into the airlock where the temperature is -95 ∘C and

    asked on March 23, 2017
  6. geometry

    Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?

    asked on October 27, 2012
  7. Math

    Predict how many times you will roll a number less than 5 if you roll a standard number cube 250 times.

    asked on February 24, 2017
  8. Walk two moons need help

    does anyone here read the book walk two moons because i need help

    asked on June 7, 2015
  9. physics

    A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.

    asked on May 12, 2016
  10. chemistry

    A 0.509 g sample pure platinum metal was reacted with hcl to form 0.889 g of a compound containing only platinum and chlorine?

    asked on July 11, 2018
  11. math

    For the system of linear equations below, use graphing to determine in which quadrant the solution lies. x+2y=-2 -2x+y=14 Quadrant III Quadrant I Quadrant II Quadrant IV

    asked on April 12, 2014
  12. chemistry

    Calculate the pH for each of the following points in the titration of 50.0 mL of a 1.8 M H3PO3(aq) with 1.8 M KOH(aq). before KOH after addition of 25, 50,75,100 ml KOH

    asked on December 8, 2013
  13. chemistry

    sodium metal reacts with hydrogen gas to yield solid sodium hydride ( NaH ). A reaction mixture contains 10.00 g sodium metal and 0.235 g of hydrogen gas. write a balanced chemical equation for this reaction? what is your limiting reactant? what is your

    asked on July 19, 2018
  14. Physics

    Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing

    asked on March 30, 2013
  15. LA

    has anyone read the book Walk Two Moons because i need help? Does anyone know what id the difference between Phoebe's story and Sal's story?

    asked on June 11, 2015
  16. Geometry

    the side of a regular hexagon is twice the square root of its apothem. find the apothem and side length.

    asked on January 12, 2011
  17. Calculus

    Consider the function f(x)=(5^x−1)/x. A) Fill in the table values for f(x): x= -0.1, -0.01, -0.001, -0.0001, 0.0001, 0.001, 0.01, 0.1 f(x)= 1.4866, 1.5866, 1.6081, 1.6093, 1.6096, 1.6107, 1.6225, 1.7462 B) Based on the table values, what would you expect

    asked on September 20, 2012
  18. physics

    When a water gun is fired while being held horizontally at a height of 1.00 m above ground level, the water travels a horizontal distance of 5.30 m. A child, who is holding the same gun in a horizontal position, is also sliding down a 45° incline at a

    asked on October 21, 2016
  19. physics

    A student sets up an Atwood machine with a frictionless rope, a 4.5-kg mass, and a 9.5-kg mass. What will be the acceleration of the masses? Use the gravitational acceleration found on Earth: g = 9.8 m/s2.

    asked on September 27, 2013
  20. science

    Ethanol can also be manufactured from glucose, C6H12O6. C6H12O6 2CO2 + 2C2H5OH. A solution containing 18 kg of glucose makes only 0.92 kg of ethanol. Calculate the percentage yield of ethanol.

    asked on April 13, 2014
  21. Social Studies

    This Canadian landform covers about half of the country. Need help? confused.

    asked on June 14, 2015
  22. chemistry

    what is the [OH-] in a solution that contains 0.225g of NaOH in 0.250 L of solution

    asked on January 25, 2013
  23. math

    A Clydesdale drinks about 120 gallons of water every 4 days. At this rate, about how many gallons of water does a Clydesdale drink in 28 days.

    asked on November 28, 2017
  24. social studies

    large farm in the southern colonies?

    asked on January 7, 2019
  25. math

    the square root of 5 less than 6 times a certain number is divided by the number and the quotient is 1.Find the number

    asked on November 12, 2016
  26. Relative velocity

    A pet-store supply truck moves at 25.0 m/ north along a highway. Inside, a dog moves at 1.75 m/s at an angle of 35.0 degrees east of north. What is the velocity of the dog relative to the road?

    asked on January 9, 2011
  27. Finance

    Sully Corp. currently has an EPS of $2.14, and the benchmark PE ratio for the company is 20. Earnings are expected to grow at 7.5 percent per year. What is the target stock price in 1 year? Assuming that the company pays no dividends, what is the implied

    asked on October 16, 2014
  28. chemistry

    consider the balanced chemical equation 2H2O2 ---> 2H2) + )O2 A) given 20.0 g of H2O2 how many grams of water will be produced? B) how many grams of H2O2 will you need to get 20.0 g of water ? C) how many grams of H2O2 will you need to get 20.0 g of O2 D)

    asked on July 19, 2018
  29. Physics

    Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a left in symbolic form. (B = 4q and C = 6.5q. Let the +x-axis be pointing

    asked on March 30, 2013
  30. math

    IF delta SIN=12/13 find the other five trigonometric functions value of delta

    asked on May 6, 2017
  31. Math

    Joel walked 2/5 of a mile to the store, 3/10 of a mile to the library, and 1/20 of a mile to the post office. Let x = the total distance Joel walked. Hw far did he walk? Draw a picture.

    asked on December 1, 2016
  32. HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    what is the word you use to tell how you get the macaroni and cheese into a bowl. My mom _______ the macaroni and cheese into my bowl to serve

    asked on December 29, 2011
  33. Chemistry

    How do you determine the percent composition by mass of a 100 g K2SO4 solution containing a 20-g solute. What is the mole percent composition of the solute, assuming that the solution consists of 100 g water and 20 g of K2S04? For percent composition of

    asked on June 23, 2009
  34. algebra

    complete table for the following equation 2x+y=9 x y -3 1 4 5 -1

    asked on February 19, 2017
  35. Math

    (2ab)squared divided by 6/m cubed

    asked on May 8, 2017
  36. Geography

    Find the equation of the locus of the points that are equidistant from points (-1,0) and (1,0)

    asked on October 17, 2016
  37. Math

    How do you estimate using rounding or compatible numbers like 0.97x312?

    asked on October 9, 2014
  38. English

    How do I turn this into a really good thesis statement? In the myth " When Grizzlies Walked Upright" explain how the bears lived in relation to each other before and after the introduction of the female into their clan, and explain how both the bears and

    asked on September 27, 2014
  39. algebra

    The velocity of an object fired directly upward is given by the equation V=40-18t, where t is in seconds. when will the velocity be between 22 and 31 feet per second? write and solve a compound inequality and graph the solution on a number line.

    asked on September 3, 2014
  40. decimals

    how is 2.3-20=17.7 reasonable

    asked on June 18, 2013
  41. Math

    a cardbord gift-box has a surface area of 478cm2 and a volume of 570cm3. what are the length,width,and height of the carbox gift-box? I Need Help

    asked on April 9, 2013
  42. math

    a motorboat takes 5 hours to travel 45km downstream and then 18 km upstream on a river whose current flow of the rate of 3 km/hr. how fast can the boat travel in still water?

    asked on March 6, 2013
  43. health

    In plain English what does this mean? Thank you, There are two confidentiality rules (and their respective settings) in MICA. The first confidentiality rule affects suppression of the display of the entire inner table (i.e., the individual cells) of a

    asked on January 17, 2018
  44. Math

    4m(m-3)+2m squared

    asked on May 8, 2017
  45. English

    "I love you purely as it turn to closes" what figure of speech is this? thank you sa sasagot :)

    asked on July 31, 2016
  46. LA

    i am writing a story about my pet and i need help i am not sure if this is good Help!! My Pet Rexie I have known Rexie ever since my baby brother was born. I remember it like it was yesterday; we had just gotten home from school and in my father’s hands

    asked on September 28, 2015
  47. Solid mensturation

    Find the area of a sector bounded by a 60 degrees central angle in a circle of radius 6 inches

    asked on January 5, 2015
  48. Math Check

    Are my answers right? 1.) Find the remainder (x^3+2x^2+3x+4)/(x+2) My answer: 2 2.) Find the remainder (x-1)/(x^4-3x^2+2x-1) My answer: -1

    asked on October 14, 2014
  49. Pre-Calculus

    1.) Which equation represents a function? A. y=-2x+1 B. x=y^2-1 C. y^2=1/3x D. None Of These E. x=4 2.) The zeros of a function f are the x-values for which f(x) = 0. True or False?

    asked on September 18, 2014
  50. math

    . The ones digit is 0. . The hundreds and tens digits are consecutive numbers. . The digits in the thousands period have a sum of 15, with the hundred thousands digit being the greatest of the threes digits and the ten thousands digit being the least. .

    asked on December 10, 2012
  51. Math

    A telephone is anchored to the ground by a long cable called a guy wire, at a point 5 meters from the base of the pole, the wire makes an angle of 72.5 degrees with the horizontal. What is the length of the guy wire? HELP ASAP! I forgot how to compute for

    asked on October 15, 2012
  52. differential calculus

    find the implicit function of x^3+3^y=3xy

    asked on August 16, 2011
  53. Math

    when a drawing pin falls to the ground, the probability that it lands point up is 0.2. a. Find the probability that a pin does not lend point up. Two drawing pins fall one after the other.

    asked on September 23, 2010
  54. math

    how do you graph x>y -2 x+y>1 x

    asked on September 16, 2009
  55. social studies

    what is the production cost of an orange?

    asked on September 7, 2008
  56. math

    The sum of two numbers is 31.2/3 of one of the numbers is equal to 5/8 of the other.find the two numbers

    asked on October 2, 2017
  57. Math

    Convert 2m/s to km/h

    asked on May 8, 2017
  58. English

    What is the direct and indirect object in the sentence. Ana gave me a two pesos today.

    asked on January 22, 2017
  59. math

    I don't get decimals adding. how do I solve this proble. 2.05+ 3.675. they shouldn't be teaching this in grade 5! :{

    asked on January 13, 2017
  60. physics

    A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

    asked on May 12, 2016
  61. Biology 9th grade

    I am stuck on a question on The Integumentary System, the question is Water molecules in the blood pass through the walls of the (blank) into the sweat glands. I am not sure, can someone help me, thanks.

    asked on April 28, 2016
  62. English

    This is for "When Grizzlies Walked Upright" explain? How did the bears lived in relation to each other? How did the bears lived in relation to each other before and after the introduction of the female into their clan How did both the bears and the female

    asked on September 27, 2014
  63. math

    A salmon has to swim 25 miles upstream. It seems 7 miles each day and drifts 5 miles at night. How many days does it take for the salmon to first reach the 25 mile mark?)

    asked on March 30, 2014
  64. physics

    A converging lens is 50cm away from the object. if the distance of the image from the object is 120cm and greater than four times the focal length of the lens, what is the focal length of the said lens?

    asked on March 8, 2014
  65. Integers (urgent)

    For what integer values of x is x+1-2 positive?

    asked on September 13, 2013
  66. Child development

    What is an advantage of a cross-sectional design?

    asked on December 26, 2012
  67. basic family health

    discuss the nutrition and health promotion contribution to family health and development

    asked on December 31, 2011
  68. psyc 106

    A newspaper iditorialist argues that the use of dsm-iv diagnostic labels is destructively antidemocratic, because it enables an elite ccorps of mental health professionals to subtle control the values and life-styles of the rest of the society. i need

    asked on June 16, 2011
  69. science

    in the digstive system,what is the defenition or function of th Appendix?

    asked on December 15, 2010
  70. Algebra 2! Pleaseeeee help

    Directions: Using inverses simplify the expression. 5^log5x I know that the answer is x but i have no idea how...

    asked on April 20, 2009
  71. World Gepgraphy

    What is cultural and political cleansing?

    asked on April 12, 2009
  72. chemistry

    A weather ballon with a 2 meter diameter at ambient temperature holds 525 grams of helium. what type of electric probe could be used to determine the pressure inside the ballon?

    asked on March 25, 2009
  73. Very urgent please...

    What is the real birthdate of Kalpana chawla ,the first indian,asian woman astronaut who died over texas skies on february 1 st 2003?

    asked on May 10, 2008
  74. grammar

    What is meant by passive voice? explain it with best examples.

    asked on May 8, 2008
  75. Math

    The sale price for a house was $ 50,000. It was on sale for 5% off. Original Price?

    asked on January 3, 2008
  76. Government

    What are some of the reasons as to why the President is given almost unlimited military powers Article I, Section 2

    asked on May 29, 2007
  77. Math

    There are 22 events at an indoor track and field meet.the ratio of track events to field is 8:3.hiw many of the events are track events?

    asked on January 29, 2018
  78. Math

    Solve 5x-3 over 2=4

    asked on May 8, 2017
  79. Math

    Simplify 3x -(5x+2)

    asked on May 8, 2017
  80. Math

    Find the Largest share $360 000 is divided in the ratio 3:4:5

    asked on May 8, 2017
  81. physics

    Runner A is initially 5.3 km west of a flagpole and is running with a constant velocity of 8.1 km/h due east. Runner B is initially 4.7 km east of the flagpole and is running with a constant velocity of 7.8 km/h due west. How far are the runners from the

    asked on August 29, 2016
  82. English

    It time love led us to eternity what figure of speech is this? thank you po sa sasagot :)

    asked on July 31, 2016
  83. Social

    What is scale

    asked on July 1, 2016
  84. Pre-Calc

    An airplane’s velocity with respect to the air is 630 mph, and its heading is 𝑁 30° 𝐸. The wind, at the altitude of the plane, is directly from the southeast at 45° and has a velocity of 45 mph. Draw a figure that gives a visual representation of

    asked on June 5, 2016
  85. physics

    A ball is thrown from a height h and another from 2h.find the ratio of time taken by the two balls to reach the ground.

    asked on May 11, 2016
  86. physics

    A window is 50 long. A stone is falling from a height of 40 cm above the window.find the time taken by the stone to cross the window.

    asked on May 11, 2016
  87. networking

    what is the difference between vlan and subnetting ?

    asked on March 13, 2016

    how many hao's exhibited by S16? my answer is 4?

    asked on July 11, 2015
  89. social studies

    i need help. I do not know what caused the world war II. Can you guys help me?

    asked on June 10, 2015
  90. social studies

    i was wondering if you guys can help me with social studies i really need help What happened to Cuba when the Soviet Union broke up? my answer is they do not have food or tools

    asked on June 9, 2015
  91. Reading

    I forgot to bring my ready common core book for reading. I need to do pages 248 and 249

    asked on May 9, 2015
  92. Pre-Calc

    Can someone check this? Thanks! :) Which pair(s) of functions are inverses? There may be more than one correct answer. a.) f(x) = x - 12, g(x) = x + 12 b.) f(x) = 3x, g(x) = 1/3x c.) f(x) = 4x, g(x) = -4x d.) f(x) = 2x + 1, g(x) = 2x - 1 My answer: A & C

    asked on September 30, 2014
  93. spanish

    How to write 25,350

    asked on December 6, 2013
  94. Child development

    A correlation coefficient can range in value from A. +1.00 to -1.00 B. -1.00 to 0 C. 0 to +1.00 -100 to +100

    asked on December 26, 2012
  95. chemistry

    Show that a conventional x-ray generator is incapable of generating x-rays of wavelength as low as 10-11m. Do this by determining the identity of the target (in atomic number, Z) which would be needed to generate such x-rays.

    asked on December 14, 2012
  96. chemistry

    Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−8 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free

    asked on December 14, 2012
  97. Math

    Ben has 8 1/2. Pizzas to serve. How many pizza 1/4 pizza sized serving does he have??

    asked on December 4, 2012
  98. management

    with example, ilustrate the function of management

    asked on October 23, 2011
  99. history

    Im writting an essay on the reformation and the renaissance can somebody proofread my essay

    asked on September 24, 2011
  100. science

    Using a force of 20 Newton cody pushes a lawnmower 5m. how much work did cody do?

    asked on January 6, 2011


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