# Questions Asked onNovember 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

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 .

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

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?

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.

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.

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?

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+

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

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?

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

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

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

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.

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 .. ?

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

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"

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.

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

21. ## social studies

what were roles of men in Iroquois league?

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

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

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

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 ?

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)

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

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

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

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

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?

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?

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 ???

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?

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!!! :)

36. ## American History!!!

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

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

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

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.

40. ## Physics

The maximum possible value for the coefficient of static friction ?

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

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

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

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

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)

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?

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 ?

48. ## Math

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

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

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.

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! :)

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?

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?

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

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

56. ## Science

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

57. ## Calculus

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

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 =

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

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?

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! :>

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 ,

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.

64. ## Sociology

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

65. ## economics

what is wealth? how is wealth linked to saving?

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

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?

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?

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

70. ## chemistry

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

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.)

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

73. ## biology

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

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

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

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

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?)

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

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.

80. ## physics

why convex lens forms sn inverted image?

81. ## science10

will need help with science 10

82. ## geometry

AB = AE BC = DE prove 1 = 2

83. ## chemistry

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

84. ## Math

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

85. ## Calculus

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

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%

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

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)

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

90. ## math

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

91. ## math

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

92. ## Math

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

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

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

95. ## math

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

96. ## criminal justice

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

97. ## Maths

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

98. ## math

Which is the solution to the inequality 9-4

99. ## Math

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