# A culture starts at 8600 bacteria. After one hour the count is 10,000. Find a function that models the number of bacteria n(t) after t hours. The answer is n(t) = 8600e^.1506t Where does this 0.1506 come from?

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1. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

1.Explain how to find the equation of the vertical asymptotes of a reciprocal function. 2.The reciprocal of a linear function and a quadratic function have the same horizontal asymptote. What is its equation? 3.Explain how to use end behaviour to find the
3. ## Math

Help! I really hate these kind of questions because this is my weak point. (Don't ask why. I just don't understand these kind of questions that easily) Find 19/25 of \$25,000. A: \$2,500 B: \$15,000 C: \$19,000 D: \$1,900 I think it's either C or B. Those are
4. ## Microbiology

I need help writing an outline for what I have written here. I would like to do my assignment of Microbes, more to the point on how microbes help us. When most people think of microbes they think for bad bacteria or the ugly side of what microbes does. I

Chan drove for X miles at 45 miles an hour, Y miles at 60 miles an hour, and Z miles at 55 miles an hour. Which expression can be used to find the total numbers of hours that Chan drove? A. (45+60+55)(XYZ) B. 45X + 60Y + 55Z C. (45+60+55)/XYZ D. X/45 +
6. ## college algebra

Given the following quadratic equation, find a. the vertex b. the axis of symmetry c. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function.
7. ## College algebra

Given the following quadratic equation find. a) the vertex b) the axis of symmetry c) the intercepts d) the domain e) the range f) the interval where the function is increasing g) the interval where the function is decreasing h) graph the function y=
8. ## college algebra

Given the following quadratic equation, find;? a. the vertex b. the axis of symmetry c. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function.
9. ## College Algrbra

Given the following quadratic equation, find a. the vertex b. the axis of symmetry. the intercepts d. the domain e. the range f. the interval where the function is increasing, and g. the interval where the function is decreasing h. Graph the function
10. ## Accounting

Based on the following production and sales estimates for May, determine the number of units expected to be manufactured in May. Estimated inventory (units), May 1 20,000 Desired inventory (units), May 31 15,000 Expected sales volume (units): South region
11. ## calc

a machine can produce 12 clay figure per hour.it costs \$750 to set up the machine and \$6 per hour to run the machine.each clay figure requires \$2 of material to produce.if each clay figure will sell for \$10 charged,express the revenue cost,and profit in
12. ## Pre-Calc 12

Let f(x)=a(x-p)^2+q be a quadratic function, where a,p,q are constants and a≠0. f(x) is translated up by k units, translated right by c units, and then take a reciprocal of the translated function. Define g(x) be the function after performing all the
13. ## Physics-can anyone check my work?

A particle starts from the origin with velocity 2i m/s at t = 0 and moves in the xy plane with a varying acceleration given by 2 (sq root t) where is in meters per second squared and t is in seconds. (a) Determine the velocity of the particle as a function
14. ## Sign Language

Which behavior tends to happen more in Deaf Culture than in hearing Culture? If someone arrives late to a meeting, he quietly sits down People walk quickly through a conversations*** Someone yells loudly to get everyone's attention A person says someone's
15. ## Sociology

1.) Distinguish between material and nonmaterial culture. What aspect of a whole culture do you think is the most lasting. Explain your answer. 2.) Sometimes subcultures develop countercultural ideas. How important do you believe values and norms are in
16. ## annual salary

What is the formula to determine someone's annual salary given only the hourly wage? For example, if someone works full time for \$20 per hour, how much does he earn in a year? A friend of mine told me the formula before; it's really simple. I just forgot
17. ## Accounting

Doughtry's Pet Shop reported a net loss of \$1,500,000 and total expenses of \$2,900,000. How much are total sales? Answer a. \$1,600,000 b. \$4,400,000 c. \$2,400,000 d. \$1,400,000
18. ## art

I am trying to answer a question about "Lapinth and centaur, metope" I was trying to answer these questions about it: What is the relationship between the art and the culture of the related civilization? How did that genre of art influence the culture of
19. ## Accounting

During the period, labor costs incurred on account amounted to \$250,000 including \$200,000 for production orders and \$50,000 for general factory use. In addition, factory overhead applied to production was \$23,000. From the following, select the entry to
20. ## ethics

What are some examples of organizational culture? Where does organizational culture come from? How do we learn it? How do we know when we have violated it?
21. ## pop culture and art

illustrate the relationship between art and american culture
22. ## Social Studies

What is the example of "culture of power" Please help me with this, I had a very hard time to come up with an example for "culture of power"
23. ## religion

If the culture/religion still lives, how has Western culture changed it? the amish
24. ## to writeacher

So do you mean that I should just fix my grammar and i have covered all the points i needed to . and yes her name is pyne not payne sorry. I don't think you have clearly addressed (2) in your assignment. Is Pyne identified with a particular Oriental
25. ## Account

For the current year, Sheila Jones had adjusted gross income of \$100,000. During the year, she contributed \$6,000 to her church and an additional \$3,000 to qualified charities. She also contributed religious artwork with a fair market value of \$60,000 and
26. ## math

how do you write 700,000,000+2,000,000+80,000+90 in standard form
27. ## Calculus

Given that C(x)=2x^3-21x^2+36x+1000 is a cost function, determine the intervals for which the cost is increasing. Determine any intervals for which the marginal cost is increasing. Marginal cost is when you derive the cost function, correct? So do you do

Given that C(x)=2x^3-21x^2+36x+1000 is a cost function, determine the intervals for which the cost is increasing. Determine any intervals for which the marginal cost is increasing. Marginal cost is when you derive the cost function, correct? So do you do
29. ## Math

Susan finished typing 1/9 of an article in the first houe and finished 1.4 of the remaining in the second hour. she then typed 2.3 of the leftover from the first two hours in the third hour. left over from the first hour= fraction of article typed on 2nd
30. ## Accounting

Use the following adjusted trial balance of Webb Trucking Company to prepare a classified balance sheet as of December 31, 2005.Account Title Debit Credit Cash . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . \$ 7,000 Accounts receivable . . . .
31. ## Finance

If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.
32. ## Finance

If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.
33. ## calc

f(x) = e^x/1+e^x find the horizontal and vertical assymptotes? find the interval whr f is increasing? Find the inflection point. Find the interval where the function is concave up. Find the interval where the function is concave down.
34. ## MATH!!

In algebra right now, we're doing inverses and stuff. And I'm not sure if this problem can be solved with using an inverse formular, or just solved regularly.... Brian is rowing in a marathon. When rowing downstream, he is traveling at a rate of 10 miles
35. ## Accounting

Solve for trade accounts receivable, allowance for doubtful accounts, and prepare current assets section of balance sheet as of 12/31/04. Ending Balance Item - 12/31/03 - 12/31/04 Cash - \$20,000 - \$15,000 Trade accts rec - \$40,000 - \$??? Allowance for
36. ## World History Answer Check (Ms. Sue)

1. Why were there rebellions in China after General Yuan Shigai become president? A: There were rebellions in China after General Yuan Shigai became president because Yuan's dictorial ways and efforts led to conflict with Su Yat-sen's Nationalist Party. 2.
37. ## aritmetics

how do you figure two thirds of 36 is 24? please tell me! I know its simple This is the easy way to figure it. Divide 36 into 3 equal parts. The three is the bottom number. To SEE this , use dried peas or blocks. Now, put two of the parts together... The 2
38. ## ECONOMICS

The following relations describe the supply and demand for posters. Qd = 65,000 – 10,000 P Qs = -35,000 + 15,000P Where Q is the quantity and P is the price of a poster, in dollars. a. Complete the following table. Price Qs Qd Surplus or Shortage \$6.00
39. ## college algebra

Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane f(x)=4+e^-x/3 please help me! show steps also, if i an just given an answer that wont help me! thanks in
40. ## Genetics

Question 12 An Hfr strain with the genotype cys+ leu+ met+ strS is mated with an F- strain carrying the genotype cys- leu -met- strR . In an interrupted mating experiment, small samples of the conjugating bacteria are withdrawn every 3 minutes for 30
41. ## Math

Out of a group of (50,000) births, the number of people, f(x), surviving to age (x) is modeled by the function f(x)=5000 square root 100-x. To what age will (20,000) people in the group survive?
42. ## HIM occupany percentage

A total of 76,006 IP service days of care were given at University Hospital during this year. The bed counts changed from a count of 200 at the beginning of the year to 220 on March 15, and then to 230 on July 1. The count was reduced to 210 on November 15
43. ## Calculus I

Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given
44. ## Algebra Functions

I cannot for the life of me remember how to do this- Find the vertex of the graphs of the functions: Function #1: y=(x-4)(x+2) AND Function #2: y=2x^2-4x+1 Can someone help me get it PLz! OK - to find the vertex of these functions you must have them in
45. ## Chemistry

if a student starts with 3.000 g of lead(II) carbonate for the first reaction and all other reagents are added in excess, what is the theoretical yield of lead(II) chloride solid?
46. ## tax

Mrs. Gonzales must use a wheelchair. Upon advice from her physician, she installed an elevator and widened the front entrance of her house in 2011, incurring \$15,000 and \$4,000 in costs, respectively. Mrs. Gonzales originally purchased her house for
47. ## accounting cash flow

Hi, i have a problem with my statement of cash flow, I did all the work but I just can not seem to find the "cash at beginning of year" part. Does anyone know how to calculate this? Here is the question: Ohio Enterprises was organized on January 1, 2010,
48. ## algebra

It is known that a certain function is an indirect proportion. Find the formula for this function if it is known that the function is equal to 12 when the independent variable is equal to 2.

Consider the function f(x)=2x+9x^–1.? For this function there are four important intervals: (-inf,–A], [A,B),(B,C), and [C,inf) where A, and C are the critical numbers and the function is not defined at B. Find A= ????? and B= 0 and C =?????
50. ## math

help me ..... Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the
51. ## math

Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the absolute
52. ## math

help me ..... Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the
53. ## math115

A worker gets 22 dollars per hour for a normal work week of 40 hours and time-and-a-half for overtime. Assuming he works at least 40 hours a week, construct a function describing his weekly paycheck, Upper P, as a function of the number of hours worked, t.
54. ## Accounting

Sam's grocery store had the following at the end of 20X5: Cash \$22,000 Accounts receivable 49,000 Accounts payable 17,000 Fees earned 61,000 Rent expense 12,000 Insurance expense 3,600 Salary expense 18,000 Supplies 15,000 Sam, capital 49,600 Sam,
55. ## Math-Statistics

The population of six inhabited continents in 2000 was 6,279,000,000 and in 1950 it was 2,556,000,000. What is the % increase excluding Asia which pop. in 2000 was 4,028,000,000 and in 1950 pop. in Asia was 4,028,000,000?
56. ## accounting

The following financial data were taken from the annual financial statements of Smith corporation: 2007 2008 2009 Current assets \$450,000 \$400,000 \$500,000 Current liabilities \$390,000 \$300,000 \$340,000 Sales \$1,450,000 \$1,500,000 \$1,400,000 Cost of goods
57. ## accounting

The following financial data were taken from the annual financial statements of Smith corporation: 2007 2008 2009 Current assets \$450,000 \$400,000 \$500,000 Current liabilities \$390,000 \$300,000 \$340,000 Sales \$1,450,000 \$1,500,000 \$1,400,000 Cost of goods
58. ## Algebra

A boat company charges a flat fee of \$35.00 plus \$7.25 per hour to rent a boat. Another company charges a fee of \$29.00 plus \$10.50 per hour to rent the same boat. Find the number of hours for which the costs are the same. Round your answer to the nearest
59. ## REALLY NEED HELP

Joyce is buying a pair of jeans for \$39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find
60. ## Math

Which department staffing cost the largest proportion of the total staffing budget? Bakery \$88,000 Kitchen \$ 322,000 Catering \$96,000 Bar \$120,000 Sever/Host \$470,000
61. ## accounting

How do I find the net income for this company ,with this information? Beginning of year Total Assets were:\$810,000 Total liabilites were:\$324,000 End of year Total Assets were:\$1,296,000 Total liabiltes were:\$540,00 Capital stock of \$162,000 was issued

I am stuck on a question that asks for the resultant force(magnitude + direction) question says : A rope is strung between a car and Joe, the car pulls on the rope with a force of 20,000 newton. joe pulls the rope with a force of 25,000N. what is the
63. ## Math

19. Janet invested \$26,000, part at 6% and part at 3%. If the total interest at the end of the year is \$1,080, how much did she invest at 6%? \$11,000 \$10,000 \$9,000 \$16,000
64. ## math

Bob invested \$25,000, part at 2% and part at 9%. If the total interest at the end of the year is \$1,060, how much did he invest at 2%? A) \$8,000 B) \$18,000 C) \$17,000 D) \$16,000
65. ## math

weloo. Consider the function f(x)= -cos3x -4sin3x. (a)Find the equation of the line normal to the graph of f(x) when x= pie/6 . (b)Find the x coordinates of the points on the graph of f(x) where the tangent to the graph is horizontal. (c)Find the absolute
66. ## Western Culture

western company besides Wal Mart that has impose western culture on the country in which the business is launched

A newly couple has \$15,000 toward the purchase of a house. For the type and size of house the couple is interested in buying, an estimated down payment of \$20,000 will be necessary. How long will the money have to be invested at 10% compounded quarterly to
68. ## Physics

I am stuck on a question that asks for the resultant force(magnitude + direction) question says : A rope is strung between a car and Joe, the car pulls on the rope with a force of 20,000 newton. joe pulls the rope with a force of 25,000N. what is the
69. ## Science

Which of the following does NOT describe a change in velocity? A. Your mom drives 60 miled per hour on the freeway.*** B. A kite flies up into the sky, then starts falling down again. C. Your puppy is running in circles around a large, circular table D. A
70. ## CALC -- integrals!

Iodine-131 is used to treat hypo-thyroidism since it is preferentially absorbed by the thyroid and typically involves a total radiation dosage of 10,000,000 millirem. Iodine-131 has a half-life of eight days. 1. Set up the appropriate integral to represent
71. ## math

Joyce is buying a pair of jeans for \$39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find
72. ## college algebra

given the folowing quadratic equations find the vertex the axis of symmetry the intercept the domain the range the interval where the function is increasing andthe interval where the function is decreasing graph the function y=X^2+4x
73. ## pre cal

Find a possible formula for the function graphed below. Assume the function has only one x-intercept at the origin, and the point marked on the graph below is located at (2,12). The asymptotes are x=−2 and x=1. Give your formula as a reduced rational
74. ## English

Thank you. I really need you to check this paragraph I prepared for a listening. 1) Bamboo fibre has a round surface which makes it soft and smooth. In contrast, petrol-based synthetic fibres cause skin irritation and in some cases a rash. 2) Another
75. ## physics

A train starts from rest from a station with acceleration 0.2m/s2 on a straight track and then comes to rest after attaining maximum speed on another station due to retardation 0.4m/s2 .If total time spend is half an hour, then distance between two

Please show me how to calculate this problem: During 2007, Sitter Corporation reported net sales of \$2,000,000, net income of \$1,200,000, and depreciation expense of \$100,000. Sitter also beginning total asset of \$1,000,000, ending total asset of
77. ## accounting

The predetermined overhead rate for manufacturing overhead for 2008 is \$4.00 per direct labor hour. Employees are expected to earn \$5.00 per hour and the company is planning on paying its employees \$100,000 during the year. However, only 75% of the
78. ## math

If earth rotates at about 1000 mph and it rotates constantly each day. How many rotations will it complete after 4th hour, 8th hour and 24th hour.
79. ## Chemistry- is this correct?

34 meters/seconds = _____ mm/hour I know 1 m is 1000 mm and 60 seconds is 1 hour. So I got 2040000. Would the answer in scietnific notation and significant figures be 2.0 x 10^6 mm/hour?
80. ## Managerial Economics

Problem 1 (50 points) The city of San Diego is considering extending the trolley (the downtown mass transit train) 11 miles from Old Town up to La Jolla. The cost of construction would be \$1.7 billion. The estimated ridership along the new section is 18
81. ## physics

The velocity as a function of time for a car on an amusement park ride is given as v = At2 + Bt with constants A = 2.9m/s3 and B = 1.3m/s2. If the car starts at the origin, what is its position at t = 4.2s?

Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to one specific amino acid. Yet, there are only 20 amino acids used to produce proteins. Thsus, the gentic code is said to be
83. ## accounting

I don't know if the answer is \$0 or \$1,000,000. One part says it's 1,000,000 because it's less than a year, but they also have the intention of using part of it for a long term bond, so I think it could be 0. Below is the question. Other answers to select
84. ## Math

A fishing boat leaves port at 11 miles per hour at a bearing of 210 degrees for 2 hours, then turns to a bearing of 250 degrees at 8 miles per hour for 4 hours, and finally changes to a bearing of 280 degrees at 7 miles per hour for 2 hours. At this point,
85. ## Applied behavioral Science

Of those below, the most important factors insecndary aging are porbly 1 race and culture income and education amount of secual activit and STIs race and ethnicity Answer: race and culture

Iodine-131 is used to treat hypo-thyroidism since it is preferentially absorbed by the thyroid and typically involves a total radiation dosage of 10,000,000 millirem. Iodine-131 has a half-life of eight days. 1. Set up the appropriate integral to represent
87. ## Finite Math

A Specialty shop owner used a revenue function and a cost-volume function to analyze his monthly sales. one month he found that with a sales volume of 1465 items he had revenues of \$32,962.50 and a total cost of \$26,405.50. Another month he had total costs
88. ## Pre-Calculus

3. Joyce is buying a pair of jeans for \$39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to
89. ## AlgebraII

A train goes from boston to new york averaging 40 km per hour and returns averaging 60 km per hour. What is the average speed(it is not 50 km per hour) for the round trip?
90. ## algebra

joe is planning a 5 hour canoe trip. he can paddle 4 miles per hour in still water and the current is 3 miles per hour. how far downstream can he go?

Carolyn spent 3/4 of an hour on her math homework, 5/6 of an hour on history, and 5/12 of an hour on science. Which of the following is a true statement; a.)5/6<5/12, b.)5/12<3/4, c.)5/6<3/4, d.)5/12>3/4
92. ## Cross-Cultural Art Project

http://www.google.com/search?source=ig&hl=en&q=Jhonen+Vasquez Have fun. =) Hi everyone, My art class is studying artwork from around the world, and as part of our midterm projects we have to research a particular artist who represents one of the cultures
93. ## math

The value of an investment A (in dollars) after t years is given by the function A(t) = A0ekt . If it takes 10 years for an investment of \$1,000 to triple, how many years will it take for the investment to be \$9,000? Simplify your answer completely. I am
94. ## algebra

Two drivers travel 150 miles on a freeway and then stop at a wayside rest area. The first driver travels 5 miles per hour faster and arrives 1/7 hour ahead of the second. Find the average speed of each car.
95. ## language arts

What is the sense of the word "starts" in the sentence below? By doing this she starts something she did not know was going to happen. Is the answer intermenttently?
96. ## math

as tsunamis travel from the deep ocean to more shallow water, they slow down. at a dept of 1,000 meters they travel at 356 kilometers per hour. this is 400 kilometers per hour slower than their speed in deeper ocean water. how fast do tsunamis travel in
97. ## astronomy

Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at optical wavelengths and 2) the Very Long Baseline Array (VLBA), a radio interferometer with a maximum baseline of 8600 km observing
98. ## astronomy

Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at optical wavelengths and 2) the Very Long Baseline Array (VLBA), a radio interferometer with a maximum baseline of 8600 km observing
99. ## astronomy

Which of the following two telescopes has a better angular resolution? 1) the Hubble Space Telescope (2.4 meter aperture) at optical wavelengths and 2) the Very Long Baseline Array (VLBA), a radio interferometer with a maximum baseline of 8600 km observing
100. ## Japanese (extramural: linguistics/culture/history)

Hallo, my name is Joshua. I'm currently doing my matric in south africa, which is most unfortunate, because south africa doesn't have much to offer in terms of "foreign languages/culture." (Moving to england in a month. Perhaps it has more to offer^^) I am