samantha

Questions and responses by samantha, page 6
  1. algebra

    Camille can swim against the current at 1.5m/s and with the current at 3.5m/s. Write and equation that expresses each fact. How fast can she swim in still water?

    asked on November 7, 2012
  2. Biology

    1. How is both the external and internal stimuli involved in doing this: You are hungry so you reach for an apple in a fruit bowl. 2. Why is a hypothesis important to controlled experiments? Is it becasue you are trying to explain the effect that it would

    asked on September 27, 2012
  3. Physics

    Your car can accelerate at 5m/^2 without a trailer. You add a trailer to your car that has 3 times the mass of your car. At what rate can your car (plus trailer) accelerate now? After accelerating the car travels at a constant speed of 30 m/s. What is the

    asked on September 23, 2012
  4. Politics/Debate

    what does this sentence mean in regular english "The United States Federal Government should substantially increase development of domestic infrastructure." and what is the basic meaning of domestic infrastructure? Tahnk you soo much in advance!!

    asked on August 9, 2012
  5. college

    Consider a normal population with μ = 36 and σ = 4.9. Calculate the z-score for an x of 47.6 from a sample of size 14. (Give your answer correct to two decimal places.)

    asked on July 23, 2012
  6. math

    A snailis trying to climb up a cup left by some students that littered.Each hour the snail slithers up 2`` but when he is tired he sleeps and slides 1``. How many hours until he reaches the top of the cup with a height of 10 is this an integer question?

    asked on April 12, 2012
  7. Algebra

    triangular prism with base perimeter 24 cm, base area 24 cm^2, and height 15 cm. Choices are: A. 606 cm^2 B. 384 cm^2 C. 408 cm^2 D. 87 cm^2

    asked on March 19, 2012
  8. Algebra

    rectangular prism with base perimeter 30 cm, base area 50 cm^2, and height 150 cm. Choices are: A. 7,560 cm^2 B. 4,600 cm^2 C. 1,800 cm^2 D. 4,550 cm^2

    asked on March 19, 2012
  9. Calculus- please help

    Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294. Its the derivative method.

    asked on March 15, 2012
  10. Pre-Algrebra

    -x/6-8=10

    asked on January 23, 2012
  11. Math

    If gas cost $3.97 per gallon, what is the cost of filling a 13.8 gallon gas tank? Do I multiply this? Is $54.78 the correct answer? Thank you

    asked on November 3, 2011
  12. Proof read please

    I am entering an essay scholarship and would love if some of you could proof read my essay. Thanks so much! Title: Be a Part of Something Greater “You have to get involved!” From the first day of school, freshman year of high school, those were the

    asked on October 15, 2011
  13. Music

    Explain how music and culture influence one another. Provide an example of a song or album that affected culture. Provide examples of songs with cultural references.

    asked on October 12, 2011
  14. history

    what were the similarities and differences between lady Jane Grey and Mary queen of Scots?

    asked on September 18, 2011
  15. history

    what were the similarities and the differences between lady jane grey and mary queen of scots?

    asked on September 14, 2011
  16. chemistry

    What is the concentration of a solution containing 25g of NaCl in a 250mL sample?"

    asked on June 6, 2011
  17. chemistry

    How many grams NO gas can be produced from 110mL of 4.00 M HNO3 and excess Cu? 3Cu(s) + 8HNO3(aq) – 3Cu(NO3)2(aq) + 4H2O(l) + 2NO(g)

    asked on April 13, 2011
  18. Physics

    What is the magnitude of the force per meter of length on a straight wire carrying an 8.50 -A current when perpendicular to a 0.55 -T uniform magnetic field?

    asked on April 6, 2011
  19. Organic Chemistry

    How many grams of 2-propanol are expected from the complete reaction of 111 g of propene?

    asked on March 15, 2011
  20. Spanish-6th grade

    1.If someone's birthday is December 1 would I say Es el primero de diciembre or Es el uno de diciembre? I think I would say Es el uno de diciembre because I think I only use el primero for January/ Is that correct? 2. If I said my grandparents names are

    asked on February 15, 2011
  21. Math

    If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?

    asked on February 4, 2011
  22. math

    camp big trees has 3 red canoes 4 blue canoes what fraction of the canoes are red?

    asked on January 12, 2011
  23. Chemistry (stoichiometry

    (This homework question has been removed due to a copyright claim submitted by K12, Inc.) _----------_ [" okay this is what i got and im not sure if i did it right nor do i know if i answered everything the questions wanted so could you help me out

    asked on December 17, 2010
  24. college

    I will like to know are these correct sentences. Their are three kids in the room. We have been married for 20 years, and are relationship is as strong as ever. I’m having trouble with my car. Can you give me some advise? The diplomats are doing what

    asked on November 18, 2010
  25. college

    I will like to know is this pargraph is correct. Why are many students choosing to pursue their college degrees using their home computers. Benjamin Franklin said; A penny saved is a penny earned.” This principle applies to the american and foreign

    asked on November 18, 2010
  26. Math

    I'm really struggling with how to set this up: A company has 18 members on its management team,10 men and 8 women. There is a conference in Hawaii, and the company decided to send 5 people. If the selection of five people is random, find the following

    asked on November 4, 2010
  27. 5th grade

    a parallegram has a height of 4 meters and sides of 5 meters and 7 meters. What is its area in square meters?

    asked on November 3, 2010
  28. math

    if there is a height of 4 meters and sides of 5 meters and 7 meters"what is the area of the square meters

    asked on November 3, 2010
  29. ***chemistry

    The Morton Salt Compant instroduced a logo and slogan for advertising its salt in 1911. This is one of the oldest and most successful ad campaigns ever, but what does it mean and where and why did they come up with it? (describe the chemical basis for it)

    asked on November 3, 2010
  30. chemistry

    how many milliliters of 6.00 M HCl are required to react with 60.0 ml of 1.96 M Al(OH)3? Al(OH)3(s)+3HCl(aq)-->AlCl3(aq)+3H2)(aq)

    asked on October 8, 2010
  31. Intermediate Algebra

    Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x

    asked on September 10, 2010
  32. Math

    Evaluate the logarithmic equation for three values of x that are greater than 1, three values of x that are between 0 and 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph. State the equation of the line asymptotic to the

    asked on September 6, 2010
  33. chemistry

    How much heat is evolved when 269 g of ammonia gas condenses to a liquid at its boiling point?

    asked on May 10, 2010
  34. English

    Is there a website that you can type in a sentence and it will give you the parts of speech of that sentance?

    asked on March 11, 2010
  35. Physics

    You watch a distant woman driving nails into her front porch at a regular rate of 1 stroke per second. You hear the sound of the blows exactly synchronized with the blows you see. And then you hear 1 more blows after you see her stop hammering. How far

    asked on February 25, 2010
  36. History

    Can you please explain to me what this means. Chief Justice John Marshall, in Cherokee Nation vs. Georgia held that the court had no juisdiction, under the U.S. Constitution, to deal with this issue because the Cherokees were a domestic, dependent nation-

    asked on November 8, 2009
  37. Math

    How do I factor 3x2+4x=1 and #x2-2x-8

    asked on November 1, 2009
  38. Algebra1

    Jon left his house and headed toward Brandon's house at the same time Brandon headed toward Jon's house. Brandon traveled 50 mi/h and Jon traveled 55m/h. The distance between their homes is 70 miles. How long did they travel before they met? Please help me

    asked on October 7, 2009
  39. Chemistry

    Determine the correct oxidation number assigned to carbon in CaCO3

    asked on April 18, 2009
  40. Math

    When you add a positive integer and a negative integer, you sometimes get a negative result and sometimes get a positive result. Is the same true when you multiply a positive integer and a negative integer?

    asked on April 5, 2009
  41. maths

    how do i convert decimal fraction into common fraction

    asked on February 26, 2009
  42. chemistry please

    if i want to find the molarity of a solution that is: 5mL of a 3.521 x 10^-5 M solution, and filled to the 50mL line with ethanol, would this be: (3.521 x 10^-5)(.04L ethanol)?

    asked on February 1, 2009
  43. Science

    I am a large mass of frozen water. I can move rocks and boulders. I move very slowly, but i cause great changes on Earth. What am I?

    asked on January 8, 2009
  44. 6th grade

    I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.

    asked on December 15, 2008
  45. spelling

    grass:lawn::toss:? does anyone know the answer

    asked on December 9, 2008
  46. Math Check

    Are the equations for these questions right? 1) Erik has 2 part-time summer jobs. For Job 1 he gets $9/hr on weekdays and for Job 2 he gets $12/hr for weekends. Last week he worked 23 hours and he earned a total of $231. How many hours did he work on the

    asked on November 19, 2008
  47. Physics

    The two blocks in the figureoscillate on a frictionless surface with a period of 1.5s. The upper block just begins to slip when the amplitude is increased to 38cm. What is the coefficient of static friction between the two blocks?

    asked on November 13, 2008
  48. 5th Grade student teacher: Needs ur help....

    What fun activity could I use to to teach 5th grade students about the Constitution?

    asked on November 6, 2008
  49. Calculus - Damon

    Find the line which passes through the point (0, 1/4) and is tangent to the curve y=x^3 at some point. So I found the derivative which is 3x^2. Let (a, a3) be the point of tangency. 3x^2 = (a3 - 1/4)/(a-0) I'm not sure how to solve for a. Yes, the point is

    asked on November 5, 2008
  50. 6th grade

    How can you make an input output division chart

    asked on October 8, 2008
  51. Algebra

    I'm fine with angle of elevation problem, but angle of depression problems are tricky for me. Is this right? From a balloon 835 m high, a command post is seen with an angle of depression of 7 degrees. How far is it from the point on the ground directly

    asked on May 14, 2008
  52. chemistry

    A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base? could someone help me with this question or how to get started?

    asked on April 14, 2008
  53. Science

    Could you please help me. When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's

    asked on April 10, 2008
  54. physics

    The figure shows two points in an E-field: Point 1 is at (X1,Y1) = (3,4), and point 2 is at (X2,Y2) = (12,9), with coordinates in meters. The electric field is constant, with a magnitude of 53 V/m, and is directed parallel to the +x axis. The potential at

    asked on February 25, 2008
  55. Cultural Diversity & Ethics

    Post your response to this question: Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. Of these societal challenges facing modern African Americans, which do you think are most

    asked on November 18, 2007
  56. Math ... HELP!!!!!

    What is the Least Common Multiple (LCM) of 78 and 104?

    asked on October 4, 2007
  57. English

    Could someone let me know if I am on the right track? I need to find the predicate nouns. If there is none I need to write none. 1.The ancestors of the lnuit people were Asians. PN-Asians 2.They had probably crossed the Bering Sea in umiaks. PN-Bering Sea

    asked on September 26, 2007
  58. chemistry

    to make 100mL of a solution that is .25M in chloride ion, how many grams of MgCl2 would you need to dissolve

    asked on September 15, 2007
  59. chemistry

    How many ml of a .25M HCL would be required to neutralize completely 2.5g of NaOH

    asked on September 13, 2007
  60. Algebra - solving linear equations w/ substitution

    The question in the book reads: "Suppose you try to solve a system of linear equations using substitution and get this result. How many solutions does each system have?" 1)x=-2 2)y=12 3)6=x 4)-8=-8 5)7=y 6)5=3 I understand #3 and #6, but I do not

    asked on March 19, 2007
  61. math

    6.use the remainder theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5-7x^3-11x^2+2 please help...

    asked on October 17, 2018
  62. grammar

    which is the command (select one) 1) Whisk the egg please 2) Open that door now 3) Why are you standing there

    asked on September 26, 2018
  63. English

    How countlessly they congregate O'er our tumultuous snow, Which flows in shapes as tall as trees When wintry winds do blow!-- As if with keenness for our fate, Our faltering few steps on To white rest, and a place of rest Invisible at dawn,-- And yet with

    asked on July 24, 2018
  64. Math

    Solve the system of equations using Row Operations x + y - z = 6 3x - 2y + z = -5 x + 3y - 2z = 14

    asked on May 9, 2018
  65. Math

    The velocity time graph shows the movement of a particle alobg a straight line. The particle passes a point, A, when t=0. It maontains a constant spee, u ms -1, for T seconds and then decelerates uniformly before coming to rest at B. If the average speed

    asked on November 27, 2017
  66. pre calc

    solve the given equation cos(θ) − sin(θ) = 1

    asked on April 15, 2017
  67. Health safety and nutrition

    Describe the steps to a healthy menu for infants, toddlers, and children.

    asked on April 11, 2017
  68. math

    Sam charges a $5 travel fee and then $3.25 per hour for labor. How many hours will he need to work to make $18?

    asked on February 16, 2017
  69. Finance

    10. The following balance sheet extract relates to the ABC Company. Bonds Payable $1,600,000 Common Stock $5,000,000 Preferred Shares $2,550,000 Additional Information: i. The bonds are 8%, annual coupon bonds, with 9 years to maturity and are currently

    asked on November 24, 2016
  70. Chemistry

    Determine the vapor pressure (in atm) of water in an aqueous solution of 12% by mass ethylene group (antifreeze) if the vapor pressure of pure water at that temperature is 0.095 atmospheres.

    asked on February 15, 2016
  71. History. Please Help!

    1. “Had this chief turned a deaf ear to Mr. Oglethorpe, refused his friendship and denied his request, opposing him on the part of the Creeks, then this settlement on the banks of the Savannah would have ended amid smoke and blood.” – Charles C.

    asked on January 9, 2016
  72. History

    Which of the following best describes the difference between the Spanish and the French and British reasons for exploration of North America? a. While the French were interested in spreading their culture to the New World, the Spanish and English were only

    asked on January 8, 2016
  73. algebra

    If (92)p = 98, what is the value of p? 2 3 4 6

    asked on October 7, 2015
  74. math ( having difficulty)

    Superior has provided the following information for its recent year of operation: The common stock account balance at the beginning of the year was $18,000 and the year-end balance was $19,000. The additional paid-in capital account balance increased

    asked on September 12, 2015
  75. algebra

    An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire

    asked on September 9, 2015
  76. Algebra

    You and 3 of your friends went to a zoo with a coupon for $10 off the total price of your tickets. If you paid a total of $17 for 4 tickets, how much would you (individually) have paid without the coupon?

    asked on July 1, 2015
  77. Math

    Find the critical points and the interval on which the given function is increasing or decreasing, and apply the First Derivative Test to each critical point f(x)= (7/4)x^4+(28/3)x^3+(-63/2)x^2-252x critical points in increasing order: c1=? min or max?

    asked on December 10, 2014
  78. chemistry

    Can someone please explain to me how to find the energy released? Given the overall reaction that takes place when hydrogen is burned in a young star, how much energy in MeV is released per He nucleus formed? masses: 1-H atom= 1.007amu 4-He atom= 4.002 amu

    asked on September 19, 2014
  79. Algebra 3-4

    The first stage of a rocket burns 28 s longer than the second stage. If the total burn time for both stages is 152 s, how long does each stage burn? Describe how you found your answer. I was originally thinking to divide 152 by 2 then add 28, but I

    asked on September 12, 2014
  80. Math 10

    Hello, I did this question for homework, but my teacher said it was wrong and she didn't explain how it was supposed to be done. So could you please tell me how I am supposed to do this step by step? "A baseball is thrown from the top of a building and

    asked on April 13, 2014
  81. Last two CALC questions. :)

    8. If f(x) = sin(7 − 5x), find f′(π), which is the derivative at π: −0.754 −0.657 0 * 0.657 3.770 9. Given the function: g(x)={x+b, x

    asked on December 20, 2013
  82. Calculus - #6

    If the following function is continuous, then what is the value of b? g(f)={2t^2+2t-24 if f≠3 {b if f=3 0 3 7 14 None of these If the following function is continuous, then what is the value of a? h(f)={2t+b if f(pi/2) 0 1 2 4

    asked on November 6, 2013
  83. Calculus - #3

    Suppose g(x)={1/(x-2) if x

    asked on November 6, 2013
  84. Calculus - #1

    Suppose g(x)={1/x+1 if x

    asked on November 6, 2013
  85. Math

    cameron is making bead necklaces. he has 90 green beads and 108 blue beads. what's the greatest number of identical necklace he can make if he wants to use all the beads

    asked on October 21, 2013
  86. Calculus. Limits. Check my answers, please! :)

    4. lim (tanx)= x->pi/3 -(sqrt3) 1 (sqrt3) ***-1 The limit does not exist. 5. lim |x|= x->-2 -2 ***2 0 -1 The limit does not exist. 6. lim [[x]]= x->9/2 (Remember that [[x]] represents the greatest integer function of x.) 4 5 ***4.5 -4 The limit does not

    asked on October 6, 2013
  87. chemistry

    What mass of silver chloride can be produced from 1.36L of a 0.130M solution of silver nitrate?

    asked on September 30, 2013
  88. Math

    The price of a technology stock was $9.83 yesterday. Today, the price fell to $9.70 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

    asked on June 10, 2013
  89. math

    Sunshine Honda sold 112 cars this month. If that is 40% greater than last month, how many cars were sold last month? which ratio do I do this under? For example Portion=Rate x Base

    asked on May 18, 2013
  90. Grade 12 Calculus

    Determine the absolute extrema of each function on the given interval. Illustrate your results by sketching the graph of each function. a) f(x) = x^2 − 4x + 3 , 0 ≤ x ≤ 3 b) f(x) = (x − 1)^2 , 0 ≤ x ≤ 2

    asked on April 16, 2013
  91. math

    The circumference of a basketball is 26 inches. What is the approximate diameter of a basketball? (Use 3.14 for .)

    asked on April 3, 2013
  92. Applied Behavioral Science

    Recognizing Culture Gaps As a leader, how might a leader recognize a culture gap? What are some techniques leaders might use to influence and change cultural values when necessary?

    asked on March 24, 2013
  93. Chemistry calorimeter.. please help!

    A coffee cup calorimeter contains 100ml of .200M H2SO4 at 22.3 degrees Celsius. When 2.16g Mg is added, the temperature rises to 36.3 degrees Celsius. What is the heat of the reaction per mole Mg? Please help and show steps. Much appreciated :)

    asked on February 27, 2013
  94. Math

    Teresa had a family photo with the dimensions of 12 inches by 16 1/2 inches. What is the area of the photo in square inches? Please help!!! :(

    asked on February 25, 2013
  95. chemistry

    If you were asked to convert 25 cg to the unit hg, which of the following would be the first fraction used in the conversion?

    asked on February 10, 2013
  96. science-repost! please help

    Determine if the following substances are soluble (at room temperature, 1 atm) in water or in hexane (: grease and CS2 how do you know this

    asked on January 17, 2013
  97. chem

    Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?

    asked on January 8, 2013
  98. Biology

    what would happen to the respiratory system if it didn't have the nose, pharynx, larynx, trachea, bronchi, lungs, and mucus? I know what would happen to the human body but what would happen specifically to the respiratory system? Thank you.

    asked on December 18, 2012
  99. chemistry

    what is the concentration of the hydroxide ion in a solution if .12 mol of strontium hydroxide are dissolved in water and the final solution volume is 500. mL?

    asked on December 8, 2012
  100. Physics. Free electron density, please help!

    A length of wire has a radius of 3.00 × 10-3 m and a resistance of 0.200 Ω. When the potential difference across the wire is 10.0 V, the electron drift speed is found to be 2.98 × 10-4 m/s. On the basis of these data, calculate the density of free

    asked on November 21, 2012

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