# Bee

Popular questions and responses by Bee
1. ## Math

The population of a slowly growing bacterial colony after t hours is given by p(t)=3t2+29t+150 . Find the growth rate after 4 hours?

2. ## Statistics

Percentage of scores falling between a z-score of .54 and the mean. I can do the math, I just don't understand how to begin! Thank you.

3. ## chemistry (science)

The addition of 50mL of 2.02 M NaOH to 50 mL of 2.00 M HNO3 at 22.0 degree celsius resulted in maximum temperature of 36.1 degree celsius with a total mass of the solution of 100.0 g. calculate molar heat of neutralization and compare it to the results

4. ## Spanish

Respond negatively: ¿Podemos ir a la playa o nadar en la piscina? I wrote: No, no podemos ir a la playa o nadar en la piscina. But it's marking it wrong! ??

5. ## math

What game did Tarzan like to play ?

6. ## math

Find the z-score such that the area under the standard normal curve to the left is 0.53.

7. ## math (stats)

Find the z scores that separate the middle 59% of the distribution from the area in the tails of the standard normal distribution.

8. ## Biology

If there are 12 chromosomes in an animal cell in interphase of the cell cycle, what is the diploid number of chromosomes for this organism? A) 6 B) 24 C) 36 D) 12 E) 48

9. ## Biology

25. If there are 12 chromosomes in an animal cell in interphase of the cell cycle, what is the diploid number of chromosomes for this organism? A) 6 B) 24 C) 36 D) 12 E) 48

5/4-3i

11. ## OChem

Could someone explain these two reaction mechanisms (I know they are substitution): 1) 1-propanol reacted with H2SO4 and NaBr 2) 2-pentanol reacted with H2SO4 and NaBr does the carbocation rearrange for the second reaction? thanks for the help!

12. ## Real estate

what is the total square footage of all apartments within a property called.

13. ## physical science

Which of the following statements is NOT true? A. You are exposed to nuclear radiation every day. B. Most of the nuclear radiation you are exposed to occurs naturally in the environment. C. Naturally occurring nuclear radiation is called background

14. ## Calculus

Find the sum and difference functions f + g and f – g for the functions given. f(x) = 2x + 6 and g(x) = 2x - 6 f(x) = x^2 - x and g(x) = -3x + 1 f(x) = 3x^3 - 4 and g(x) = -x^2 + 3 State the domain and range for the sum and difference functions in #3.

15. ## chemistry

what is a titration, what is the type of reaction to find the volume of hydrochloric acid needed to react with 25 of potassium hydroxide solution

16. ## Sociology

Observation Setting: What would be some ethical issues/problems when observing a public setting like a restaurant? Thanks

17. ## Communication

Inexperienced writers often try to skip the earlier stages of writing where you generate ideas and plan your paper. But when they do, they usually struggle composing their first draft. What advice would you give to a developing writer about brainstorming

18. ## geometry

Point B is midpoint of Lince AC. Given: AB=2x-1 BC=4x+2 AC=25 Find: AB and BC

19. ## Chemistry

A student actually used 0.847g sample of impure KHP and the endpoint was reached after 19.82 ml of sodium hydroxide solution was added, What is the percent KHP in the unknown to four significant figures.

20. ## Biology

Which of the following is NOT found in the human central nervous system? A) hypothalamus B) forebrain (cerebrum) C) autonomic neurons D) medulla E) spinal cord

21. ## Biology

A baby born without the ability to produce immune system cells may survive for several months, even when exposed to potentially deadly diseases. How?

22. ## Statistics

With a known population mean of 100, and a known standard error of the mean of 7.5, what is the probability of selecting at random a sample whose mean is 110 or greater? I need help getting this started, thanks

23. ## Biology

The muscles of the heart are constructed out of: A) nucleotides B) complex carbohydrates C) cholesterol D) proteins Thank you.

24. ## Biology

The tropical rain forests that are being cleared to grow crops for biofuels normally trap _____ carbon dioxide than the crops do. A. more B. less C. the same amount of Thank You.

25. ## Speech

True or False It is seldom necessary to write out quotations in full in a speaking outline.

26. ## Math

The population of a slowly growing bacterial colony after t hours is given by p(t)=3t2+29t+150 . Find the growth rate after 4 hours?

27. ## math

how does sin(t)sec(t) = tanx ?

28. ## Physics

why does current slow down in a series than when in a parallel?

29. ## geometry

"An angle has a measure three times that of its complement. What is the measure of the angle?" Complementary angles add up to 90 degrees. If x is the complement and 3x is the angle, and you added them to have 4x, then you'd have 4x=90, right? That would

30. ## Algebra

Write the equation of the line that passes through point (6,7) with a slope of 0. Am I in the right direction? y=mx+b I know everything except y, so I just plug in...y=0(6)+7 Anwser: y=7?

31. ## Physics

A 200-kg roller coaster originally at rest launched off a 12-m high frictionless hill by a spring that is compressed 4 m. If the spring stiffness is 5000 N/m, then how fast is the car going at the bottom of the hill?

32. ## English-Sci

I'm writing a paper about book that purposely has no theme that I can read, " Hitch Hiker's Guide To The Galaxy." The problem I am having is that I am asked to write what theme is and find a qoute that explains it. I'm not exactly sure what to do, I've

33. ## Marh

The ratio of male to females is 2:5. There are 12 more females than males. How many males are there.

34. ## L O

six suggestion how to compat violation of human rights

35. ## chemistry

Determine the specific heat of a material if a 28.4 g sample absorbed 42.9 J as it was heated from 293 K to 336 K. Units are J/g · K.

36. ## physical science

. You make the following measurements of an object: 22kg and 42m3. What would the object’s density be? Show your work for credit and include final units.

37. ## pre-algebra

4/5x + 5 < -3 A. x < –10 B. x ≤ 0 C. x > 5 D. x ≥ –10

38. ## english

Human population and groups of people A. Demographics B. Community C. Population D. Norms

39. ## Statistics

What is the test scores of 4, X, 1, 2 and 5 have a mean of 10. What is the value 4 1 2 :10 15

40. ## physics

A mass of 337 g connected to a light spring of force constant 19.4 N/m oscillates on a horizontal, frictionless track. The amplitude of the motion is 5.4 cm. Calculate the total energy of the system. Answer in units of J.

41. ## Physics

In a model yacht race on a river five identical yachts A,B,C,D,E are released at the same time from different points along the starting line. a)why should C win? b) as they approach the finishing line they all slow down. Why?

42. ## Chem

The solubility of Mn(OH)2 is 3.04 x 10^-4 gram per 100 ml of solution . A) write the balanced chem equation for Mn(OH)2 in aqueous solution B) calculate the molar solubility of Mn(OH)2 at 25 degrees celcius C) calculate the value of the solubility product

43. ## Physics

A diver springs upward from a board that is 3.20 m above the water. At the instant she contacts the water her speed is 11.4 m/s and her body makes an angle of 68.7 ° with respect to the horizontal surface of the water. Determine her initial velocity, both

44. ## chemistry

in a freezer, 150g of water at 0degrees celcius is placed in an ice cube tray. how much energy, in kilocalories, must be removed to form ice cubes at 0 degrees celsius

45. ## Math

Someone loaned me \$20.00 in 1962 without quoting an interest rate. Using whatever the market interest rate was at that time, how much money would I owe in 2013 including principal and interest, straight and compounded.

46. ## algebra

explain how to work 1)(+4)+3

47. ## Chemistry

1.55 g of penatanol 250ml water Heat from 10 to 38 degrees Find hear of combustion

48. ## precal

when solving for all solutions how do I work out this problem: cos4(alpha)=cos2(alpha) and when verifying each identity how do I complete this problem: sin (alpha/2)=sec alpha -1/2sin (alpha/2)sec alpha

49. ## pre cal verifying identities

how do I verify?? sin(x)+cos3(x)=sin(x)-3cos(x)+4cos^(3)x

50. ## Statistic

Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which gender has two groups (male and female), marital status has three groups (married, single never married, divorced), and the means

51. ## English

I'm writing an essay about sexist advertisements. When writing on such brands like Andrew Marc, Dolce & Gabbana, Geico (insurance), or Mustang (Ford car), do I italicize? Thanks!

52. ## Sociology

What is the difinition of public-private split? My textbook is not specific & can't seem to find it online. Thanks!

53. ## Sociology

What are the implications of a dual relationship? I don't need the answer, I just need to know what the question means by "implications". Like consequences??? Thanks

54. ## Statistics

create a report with the following: the mean score for each question, the mean score for the entire test, a graph that represents the scores for each question. Evaluate the test by using the information in your report and conducting qualitative item

5a/2x + 7/10

56. ## psycology

the meaans of travel within and between neurons is different because

57. ## english

i need help with finding doing and helping words in the sentences and i have to find the who and what

58. ## Just really need some help

Acela’s aging parents own a house and a car. Acela is currently living in the house with her parents. Her brother and sister are married and live elsewhere. Why is it important for Acela’s parents to have wills? What are some possible consequences of

59. ## just a question

Geraldo works full-time to take care of his family. His wife, Marina, stays home to take care of their two young children. What kind of insurance coverage should Geraldo and Marina have for their family? Explain why.

60. ## Just a question

How might writing summaries of key concepts and important information be useful in promoting effective learning and remembering?

write 100 and 72 as products of two powers

62. ## stastistics

Historically, 5 percent of a mail-order firm’s repeat charge-account customers have an incorrect current address in the firm’s computer database. (a) What is the probability that none of the next 12 repeat customers who call will have an incorrect

63. ## Chemistry

A student actually used 0.847g sample of impure KHP and the endpoint was reached after 19.82 ml of sodium hydroxide solution was added, What is the percent KHP in the unknown to four significant figures.

64. ## Civics

14. Martin Luther King Jr.'s _____ speech championed equality and justice for all people, not just blacks. A."Birmingham Jail" B."I Have a Dream" C."Civil Disobedience" D. "Peace in America"

65. ## Civics

_____ States supported the _____ Plan, which called for a bicameral legislature in which States would be represented according to their population. A. Slave, Three-Fifths B. Larger, Virginia C. Northern, Connecticut D. Smaller, New Jersey

66. ## algebra

Solve. then graph ×+8>2 The solution set {×|×>blank}

67. ## chemistry

when 50 ml of an HNO3 solution is exactly neutralized by 150 ml of a 0.50 M solution of KOH, what s the concentration of HNO3

68. ## algebra

The area a of a triangle with base b and height h is given by A=1/2bh. Find the area when b=30m (meters) and h =30m What is the area?

69. ## math

Evaluate a) |-59|-|-93| b) |-45| +|33|

70. ## English

Question on citing, I know how to cite articles and web pages but how would I come about citing what people said in an open discussion? Or rather, I want to quote someone's response on a blog. Thanks!

71. ## Math

What's the circumference of a circle with a diameter of 7. Using pie as 3.

72. ## Math

What would be the central angle of 25?

73. ## Biology

Can anyone help me find websites that can help me with Dehydration Synthesis/Hydrolysis? I haven't had any luck finding any. Thank you!

74. ## Biology

The large intestine supports ___% of chemical digestion. A) 0 B) 75 C) 50

75. ## Chemistry

In chemistry lab we did an experiment trying to find the empirical formula of an oxide and tin. The question is "suppose some of the oxide splattered out of the crucible. How would this affect your calculated ratio of the number of moles of oxygen to the

76. ## Spanish

Cada verano, las chicas _______ el sol. (There is a picture of two girls laying out at the beach tanning)

77. ## Math

I am in 6th grade and have a math problem that I need help with. How can you use four rods that measure 2cm, 5cm, 7cm and 9cm to measure a length of 1cm?

78. ## Biology

The ___ from photosynthesis is a reactant for glucose metabolism. A. H2O B. ATP C. lactic acid D. CO2 E. O2 Thanks.

79. ## Biology

Why is damage to skin or muscle usually easily repaired, but damage to the brain or nervous system is not? Thanks.

80. ## Sociology

Use the functionalist, conflict, and interactionist perspectives to assess the effects of global TV programming on developing countries.

81. ## Statistics

Explain the meaning of the following three statements: "The self-confidence of that group of recruits is negatively correlated with their chances of getting through the course." Thanks

82. ## Biology

Covalent bonds between nucleotides in DNA are found between: A) a phosphate group and a nitrogenous base. B) a sugar and a nitrogenous base. C) nitrogenous bases. D) phosphate groups. E) a sugar and a phosphate group. Thank you.

83. ## Bio

Covalent bonds between nucleotides in DNA are found between: A) a phosphate group and a nitrogenous base. B) a sugar and a nitrogenous base. C) nitrogenous bases. D) phosphate groups. E) a sugar and a phosphate group.

84. ## Bio

The fiber in your diet is composed of: A) fat. B) cellulose. C) starch D) nucleic acid E) protein. Thanks!

85. ## Math

what percentage is 14 out of 60?

86. ## Math; Ellipses

Find the equation in expanded form of the ellipse with center at (4,-2), a=2, b=3. Thanks :]

87. ## History

We're learning about Roman Supremacy. What was the function of art and architecture in the Roman Empire? Thanks!

88. ## Algebra

I have to find the domains of these functions and don't know how: f(x)=SQRT 2x-1 and f(x)=3/x+4 Help Please!

89. ## psychology

what is something that some clinical psychologists can do, that experimental psychologists cannot do?

90. ## Biology

In most biology experiments, the relationship between the independent and the dependent variable can best be described as cause and effect,” true or false? Explain.

91. ## Science

What is the gradient of Clifty Creek 1300 & 1240 feet? _____ ft/mile

92. ## Math

A map has a ratio scale of 1:24,000, what is the ground distance in feet if the map distance is 3.5 inches? Is it 7,000 feet?

93. ## Math

A ratio scale is 1:10,000; this converts to a verbal scale of: 1 cm = _______ km

94. ## Math

Western hemisphere: A topographic quadrangle is a 30' series map (it covers 30' longitude and latitude). If the western longitude boundary is 120 degrees 02 feet 30 inches, what is the longitude of the eastern boundary?

95. ## Math

The northern latitude line on a map is 40 degrees 45' 30"; the southern latitude line is 40 degrees 37' 00". What distance in latitude is covered?

96. ## Math

A topographic quadrangle is a 30' series map (it covers 30' longitude and latitude). If the western longitude boundary is 120 degrees 02 feet 30 inches, what is the longitude of the eastern boundary?

97. ## math

A map has the scale 1 inch = 2 miles; what is the ratio scale?

98. ## socalogy

Under the circumstances, what do you think the life expectacy rate is onreservations?

99. ## Socialogy

Some associate Indian Gaming is financial security for Native Americans.If this is the case, why is poverty experienced by Native Americans ad that experienced by other groups?