Questions Asked on
November 16, 2013

  1. Calculus - Optimization

    A parcel delivery service a package only of the length plus girth (distance around) does not exceed 24 inches. A) Find the dimensions of a rectangular box with square ends that satisfies the delivery service's restriction and has a maximum volume. What is

    asked by Jess
  2. math

    A farmer is constructing a rectangular pen with one addtional fence across its width.find the maximum area that can be enclosed with 2400m of fencing .

    asked by Anonymous
  3. chemistry

    which of the following alkane names is correct? a)2-methyl-3-propylhexane b)1-methylnonane c)1,2-dimethylhexane d)4,5-dimethylpentane e)all of the above names are correct

    asked by lima
  4. math

    a certain spinner has equally sized slices. The odds in favor of landing on a blue slice are 2:5.What is the probablility of landing on a blue slice?

    asked by rm
  5. Statistics

    The mean length of the first 20 space shuttle flights was about 7 days with a standard deviation of about 2 days. Using Chebychev's theorem, at least how many of the flights lasted between 3 and 11 days.

    asked by Kenneth
  6. Phyics

    An object in simple harmonic motion has an amplitude of 0.202 m and an oscillation period of 0.620 s. Determine the maximum speed of the motion.

    asked by Corey
  7. physics

    A 0.355-kg object undergoing SHM has ax = 2.30 m/s2 when x = 0.235 m. What is the time for one oscillation?

    asked by Laura
  8. Statistics

    1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" Is the statement descriptive statistics or inferential statistics? b) "58 percent of the people in NYC do not have type O+

    asked by kitty
  9. Statistics

    In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in

    asked by kitty
  10. Science (Physics)

    On the moon, the acceleration due to gravity is only 1.6 m/s/s. If someone on earth can throw a baseball 24.2 m high, how high could she throw it on the moon?

    asked by Brandy
  11. math

    an autmobile is 16 feet long the scale drawing is 1 inch:6 inches my scale factor answer is 96in am i right

    asked by kylee
  12. geometry triangles

    The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with

    asked by BARBIE LEE
  13. south carolina history

    how did the french and indian war benefit south carolina’s economy please help me

    asked by recon sniper
  14. iinternet basics

    the characteristics of an instant message include all the following except a.its more structured b.it contains abbrevations c.occurs between pc's my answer is b

    asked by susue
  15. math

    Find the present value, using the present value formula and a calculator. (Round your answer to the nearest cent.) Achieve $225,500 at 8.95% compounded continuously for 8 years, 155 days.

    asked by Anonymous
  16. Physics

    An 100kg box is placed on the ramp. As one end on the ramp is raised the box begin to move down ward just as the angle of inclination reaches 15 degree . What the coeffenict of static friction between box and ramp .. ?

    asked by Maryam
  17. GEOMETRY

    The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides? Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25 Assume that traingle xyz is similar to triangle rpn with

    asked by BARBIE LEE
  18. Statistics

    On the last three Friday evening, City hospital diagnosed a number of heroin overdoses. There were four on 1/14/20xx, two on 1/21/20xx, and six on 1/28/20xx. a) "City Hospital averaged four herion overdoses in their ER for the last three Firday evenings"

    asked by kitty
  19. Early Childhood Education

    When designing IFSP objectives, its useful to parents to think of skills that a. are short and easy. b. fit into natural daily routines. c. are most useful in promoting ambulation. d. are taught in isolation to maximize chances of progress.

    asked by Sasha
  20. language

    Identify the italicized word or words in each sentence Going Outside DURING A THUNDERSTORM is not the wisest thing to do in the summer. a) infinitive phrase b) participial phrase c) gerund phrase d) prepositional phrase

    asked by victoria
  21. social studies

    what were roles of men in Iroquois league?

    asked by vincent
  22. Physics

    A 4 kg puck can slide with negligible friction over a horizontal surface, taken as the xy plane. ˆ The puck has a velocity of 3i m / s at one instant ti = 0 . Eight seconds later, its velocity is to be ˆˆ 8i+10 j m / s . Find the magnitude and direction

    asked by Maryam
  23. Chemistry

    Two new metallic elements have been discovered, Cimium (Ci) and Sadowium (Sd). Both the pure elements and their solutions form simple cubic lattices. The bond strengths of the Ci-Ci and Sd-Sd bonds are known, but not the Ci-Sd bond. Bond Bond Energy

    asked by youlifex
  24. US History

    What times is Paine referring to? “These are the times that try men's souls. The summer soldier and the sunshine patriot will, in this crisis, shrink from the service of their country; but he that stands it now, deserves the love and thanks of man and

    asked by Anna
  25. Physics

    A15N crate rests on an ramp , the maximum angle just before it slips is 25 degree with the horizantle , what the coefficient of static friction between the crate and ramp surfaces ?

    asked by Maryam
  26. finance charges

    Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. (Round your answers to the nearest cent.) $500 balance, 17%, $50 payment (a)

    asked by Anonymous
  27. Math

    The variable W represents the width of a rectangle. The length of the rectangle, L, is 5 less than twice the width. Write an expression for the length of the rectangle in terms of W. Write a simplified expression for the perimeter of the rectangle in terms

    asked by Unknown
  28. Statistics

    In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. On the last three Friday evening, City hospital diagnosed a number of heroin overdoses. There were four on

    asked by kitty
  29. internet basics

    the social networking site that caters to artists and musicians is which of the following a,twitter b.facebook c.my space my answer is c

    asked by susue
  30. Statistics

    The following table shows a frequency distribution of patients with colon cancer treated at Community Hospital. Compute the proportion of patients in each category. Community Hospital Ages of Patients with Colon Cancer Annual Statistics, 20XX Age No. of

    asked by Anonymous 11/16/13
  31. physics

    a toy rocket is fired upward with a net force of 50N. Because of this force it accelerates at 25m/s^2. What is the mass of the rocket?

    asked by kim
  32. b.mathematics

    a shopkeeper allows a discount of 15% on his shop. how much money can a man save if he buys a bag costing rs2500, a shaving set costing rs890 and iron costing rs 2800?

    asked by maha
  33. Physics

    A500 man stands at the center of the rope such that each half of the ropes makes an angle of 10 with the horizentle . What is the tension of the rope ???

    asked by Maryam
  34. finance

    Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 4% compounded annually?

    asked by Anonymous
  35. Maths

    Jacob buys a car with 7,000 miles on it. He drives an average of 220 miles a week. Write an equation to represent the number of miles, m, on the car after any number of weeks, w. Explain each part of the equation. Thanks so much!!! :)

    asked by Becky
  36. American History!!!

    How was the development of interchangeable parts an example of the move to make work "less skilled" in the early 1800s?

    asked by Emily
  37. us history

    Harriet Tubman is characterized as; An Abolitionist Women's Right Leader An Active member of the Underground Railroad All of the Above is it All Examples of "Radical Antislavery" were; William Llyod Garrison John Brown Quakers William Still All of the

    asked by ps
  38. math

    You are planning a cookout and plan on serving hotdogs. The hotdogs are sold in packages of eight, but the hotdog buns are sold in packages of ten. What is the smallest number of packages of each that must be bought so that there are the same number of

    asked by Anonymous
  39. stastics

    Assume that a random sample is used to estimate a population proportion p. Find the margin of error E corresponds to the given statistics and confidence level. 90% confidence, the sample size is 1457, of which 30% are successes.

    asked by anonymous
  40. Physics

    The maximum possible value for the coefficient of static friction ?

    asked by Maryam
  41. language

    Identify the italicized word or words in each sentence the pool COVERED UP SINCE THE END OF SUMMER LAST YEAR is now open, clean and ready to use. a) infinitive phrase b) participial phrase c) gerund phrase d) prepositional phrase

    asked by victoria
  42. Physics

    A block of mass m1 = 4.90 kg sits on top of a second block of mass m2 = 14.5 kg, which in turn is on a horizontal table. The coefficients of friction between the two blocks are µs = 0.300 and µk = 0.100. The coefficients of friction between the lower

    asked by Tom
  43. language

    Select the word or words that the italicized phrase modifies or describes. According to this map, the smallest region in the UNITED STATES IS NEW ENGLAND. a) map b) smallest c) region d) United States

    asked by victoria
  44. Hypothesis Test

    A test of hypothesis is performed to determine whether the proportion of Montrealers (population 1) who want the decriminalization of marijuana is greater than the proportion of Torontonians (population 2) who want decriminalization of marijuana. A random

    asked by Simon
  45. ap chemistry

    What is the activation energy Ea for this reaction? Answer in units of kJ The deltaH is 160 kJ X is at 160 (beginning of reaction) Y is at 300 (end of reaction)

    asked by Gabriella
  46. Calculus

    I throw a ball off the roof. It travels s = 240+22t-t^2. S is the balls distance after I release it. How tall is the building? How high above the ground did the ball get?

    asked by Loki
  47. Physics

    Acceleration due to gravity on the moon's surface is 1/6th that on the earth . An object weight 900N on the earth . What does it weight on the moon ?

    asked by Maryam
  48. Math

    You have used tables, equations, and graphs for math. When would you use each representation. explain

    asked by Anonymous
  49. Math

    When driving to the beach, you drive 240 miles on 9 gallons of gas. When you arrive at the beach you fill up your gas tank. While there you drive 130 miles and use 5.8 gallons of gas. Round answers to 2 decimal places. What was your gas mileage driving to

    asked by Alan
  50. biology

    Small gene big plasmid Question 2 Part E wrong. Question 2 Part F Determine the DNA sequence of PCR products. I do not understand how to handle this problem. On home works they were wrong and the solutions were confusing. Please give me a clue.

    asked by Al
  51. Math Help

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). Please answer this ASAP! Thank you so much whoever answers! :)

    asked by Kim
  52. English

    How can I start out a story? I could set the scene, or from the main part, but what are some other ways to start a story?

    asked by Cutiepie
  53. math

    If a 30-meter pine tree casts a shadow of 30 meter, how far is the tip of the shadow from top of the tree?

    asked by Tresa
  54. Human services

    I am having terrible trouble with this assignment. I cannot find the information i need, I am using a website called HOPE of East Central Illinois Here are the questions How do these laws influence the organization's decision-making and its day-to-day

    asked by Nicole
  55. Science

    Balancing equations a) Mg + HCl --> MgCl2 + H2 b) K + H2O --> KOH + H2 c) Li + H2O --> LiOH + H2 d) Fe + O2 --> Fe2O3 Please help

    asked by Anonymous
  56. Science

    What substances (Syrup or water) absorb more thermal energy? Why?

    asked by Unknown
  57. Calculus

    Determine whether the sequence is divergent or convergent. If it is convergent, evaluate its limit. A (sub n)=((4n-7)/(4n+9))

    asked by Robin
  58. ALGEBRA!

    Larsen’s Sharpening Shop, specializes in sharpening saws. Terry Larsen has determined that the cost of operating the shop is given by the function: C(x) = x^2 – 40x + 430, where x is the number of saws sharpened daily. a. Write C(x) = x^2 - 40x + 430 =

    asked by Dele
  59. Chemistry ppm

    Hey guys, i have a question about how to figure out how much mass of a compound i need to find 130ppm here is the question. What mass of Fe(NH4)2(SO4)2*6H2O is required to prepare 2.25 L of a 130 ppm iron solution? Now i know that ppm is (mg of desired

    asked by John
  60. Algebra

    How do you find a new salary if you know the amount of a cut/raise and the salary before the cut/raise?

    asked by Megan
  61. Algebra Help

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). Omg thanks! :>

    asked by Alanie
  62. Chemistry

    Shown below is the optical absorption spectra for a material wavenumber=9.1*10e5 Calculate the bandgap of this material. (Express your answer in eV) I'm calculate 1.13eV, but next question I don't know answer: This material is a(an) metal, ionic solid ,

    asked by DDD
  63. Math

    How can I rewrite this statement for my math class: "The war funding bill...passed this week, but with three times fewer Democrats voting for it than did the last year.

    asked by Tracy
  64. Sociology

    What social policies to reduce crime would likely be recommended by a sociologist who favors Merton's Strain Theory? Why?

    asked by Lizzy
  65. economics

    what is wealth? how is wealth linked to saving?

    asked by Anonymous
  66. Physics

    When 140000 joules of heat is removed from 0.60kg of water initially at 20Celsius, will all the water freeze? If not how much remains unfrozen

    asked by Chelsea alcaraz
  67. math

    peter needs 1/2 gallon of white paint,2 gallons of magenta paint, and 1 quart of yellow paint for his project. what is the total volume of paint peter needs?

    asked by miina
  68. chemistry

    i need help to understand the problem.. what is the relationship between the numbers of electrons gained and lost in a redox reaction? Do all electrochemical cells involve redox reactions?

    asked by S1D
  69. Chemistry

    Small gene Big Plasmid Question 2 Part E is wrong. Question 2 Part F: Determine the DNA sequence of the PCR products, I have no idea how to proceed. In the assignments they were wrong also. I looked at the homework solutions, but I am still unsure how to

    asked by FD
  70. chemistry

    [Ag]=3.41*10^-2 in Ag2CrO4 [CrO4]=?

    asked by far
  71. algebra

    Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $30,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 3% compounded annually? (Round your answer to the nearest cent.)

    asked by Jenifer
  72. Algebra

    In the logarithmic expression . . . log(base 4) 8 , how does the base 4 become base 2? Here is how it is suppose to be worked out: log(base2)8 / log(base2)4 => log(base2)2^3 / log(base2)2^2 => 3/2

    asked by Megan
  73. biology

    Which photosystem-1 or 2-most likely evolved first?

    asked by Savannah
  74. Maths

    Hello, I am just wondering why y=mx+b for b (solve for the variable) would be y-b/m and not y/m-b Thanks

    asked by Nana
  75. English

    1. Anybody does not sleep well during the night. 2. Not anybody sleeps well during the night. 3. Nobody sleeps during the night. (Is #1 grammatical? Are they all the same in meaning?) 4. None were present at the meeting. 5. No one were present at the

    asked by rfvv
  76. Science (respiration)

    Hello, I have a question. How does colour affect a mealworm's respiration? Do mealworms breathe more slowly when sleeping? Do mealworms stop breathing for a bit, then breathe again? Thank you, and just tell me what you know. If you only know the answer to

    asked by Nana
  77. English

    Over 15,000 skaters entered the race. (Is this sentence correct? What other expressions can we use instead of 'entered' to make the same meaning?)

    asked by rfvv
  78. PHYSICS

    A flat loop of wire consisting of a single turn of cross-sectional area 8.10 cm2 is perpendicular to a magnetic field that increases uniformly in magnitude from 0.500 T to 1.90 T in 0.95 s. What is the resulting induced current if the loop has a resistance

    asked by Begging for help
  79. Chemistry

    I am working on a solid chemistry problem, but I do understand what e^ means. Is it the elementary charge? or Faraday constant. Please help.

    asked by FHD
  80. physics

    why convex lens forms sn inverted image?

    asked by Anonymous
  81. science10

    will need help with science 10

    asked by AnonymousAndy
  82. geometry

    AB = AE BC = DE prove 1 = 2

    asked by Anonymous
  83. chemistry

    N_v/N_s =Ae ^-change Hv/kT. What is the value of e^? Thanks.

    asked by Al
  84. Math

    Evaluate the following expressions when x = -2, y = 6, and z = -4 y^2 + 3z 5y - 3(x^2 + 1) + z

    asked by Alan
  85. Calculus

    Determine whether the sequence is divergent or convergent. a(sub n)=(−1)^n(sin(2/n))

    asked by Robin
  86. Statistics

    A credit manager has chosen a sample of size 2,164 to estimate the mean balance of credit accounts to within $0.50. A pilot study of 50 accounts had a mean of $1,219 and a variance of 100. The level of confidence of the interval is: 90% 95% 98% 99%

    asked by Cam
  87. science

    How can circuit voltage affect the choice of insulator? why does the resistance decreases as the conductor diameter increases? how does temperature effect resistance? please help and thank you

    asked by anonymous
  88. Chemistry

    The Young's modulus for a material is 2.0 x 1010 N/m2. The material is stretched to a strain of 5.0 x 10-3. How much elastic energy will be expended? (Express your answer in J/m3)

    asked by youlifex
  89. science

    Chemistry Hey guys, i have a question about how to figure out how much mass of a compound i need to find 130ppm here is the question. What mass of Fe(NH4)2(SO4)2*6H2O is required to prepare 2.25 L of a 130 ppm iron solution? Now i know that ppm is (mg of

    asked by John
  90. math

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

    asked by Lori
  91. math

    x^-1y^0 do you do 1/x*1=1/x

    asked by alex
  92. Math

    If a dollhouse was made out of the same material as a real house, how would their weights compare?

    asked by Tracy
  93. Science

    Balancing equations a) Mg + HCl --> MgCl2 + H2 b) K + H2O --> KOH + H2 c) Li + H2O --> LiOH + H2 d) Fe + O2 --> Fe2O3 Please help

    asked by Anonymous
  94. language

    Select the word or words that the italicized phrase modifies or describes. The original cell phones battery NEEDED TO BE RECHARGED after 30 minutes of use. a) cell phones b) battery c) 30 minutes d) use

    asked by victoria
  95. math

    11:15 a.m. until 12:50PM WHAT IS THE ELAPSED TIME

    asked by alexandra
  96. criminal justice

    •Why have immigration responsibilities been relinquished to the local level of government

    asked by patiance
  97. Maths

    Hi! How do I do this? Solve the following for the variable: d=rt for r Thanks!

    asked by Nana
  98. math

    Which is the solution to the inequality 9-4

    asked by B8
  99. Math

    Dollhouse and the furnishing are built to a scale of exactly 1 in. to 1 ft, what is the linear scaling factor?

    asked by Tracy
  100. LA

    How does Voltaire give examples in his book Candide that governments need to have both shepherds and butchers

    asked by luke
  101. us history

    Leading the underground railroad in to further North to Canada, was due to the Fugitive Slave Act. is it true.

    asked by tony