How to sketch graph of

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1. Math/Physics

A golf ball is struck at ground level. The speed of the golf ball as a function of the, where t = 0 at the instant the ball is struck and intial velocity is 31 m/s. The golf ball hits the ground when t = 2.5 and v = 19, and then v increases as the ball rises back into the air...
2. Help

Suppose the U.S is an importer of product X and that there are no trade restrictions. Let us assume that the U.S. consumers buy 1 million units of X each year, of which 400,000 are produced domestically and 600,000 are imported. a) Suppose a technological advance in Japan ...
3. pre cal

What is the center of the conic whose equation is x^2 + 2y^2 - 6x + 8y = 0 2.Which one of the following equations represents a hyperbola? (5 points) A) 3x^2 + y^2 + 12x - 7 = 0 B) 3x^2 + 3y^2 + 12x - 7 = 0 C) 3x^2 + y + 12x - 7 = 0 D) 3x^2 - 3y^2 + 12x - 7 = 0 E) x^2 + y^2 + ...
4. Geology

Isochron Diagrams Page 14 of 17 On the control part of the graph select the Rb/Sr option. Rember that the Half-life of Rb-87 is 48.8 Billion Years. Note that the scale on the horizontal axis is now 10 times greater than the vertical axis. Move the slider and watch the slope of...
5. English Expression

1. After you read the first passage, mark all the things you can know about Hana Middle School. 2. Write down the names of the places where you can do the following activities from the first passage of the reading text. 3. Compare the classroom in the second passage of the ...

can you check my answers please? Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around, at each zero. f(x) = 2(x - 2)(x + 4)^4 2, multiplicity 1, crosses x-axis; -4...
7. math homework

Problem Design an experiment that uses color to modify human behavior. I. Understand the Problem (a) Discuss how the graph of wavelengths versus eye sensitivity relates to this problem. Answer: (b) Write down a hypothesis for this problem. Answer: II. Devise a Plan (c) ...
8. managerial economics

Suppose the inverse market demand equation is P = 80 ¡V 4(QA+QB), where QA is the output of firm A and QB is the output of firm B, and both firms have a constant marginal constant of \$4. Firm B is the Stackelberg leader in this market. (a)State the reaction function for firm ...
9. ALGEBRA 1!PLZ HELP!

Use the Substitution method to solve the system of equations. y - 2x = -5 3y - x = 5 Solve the first equation for y. y = 2x-5 Substitute that for y in the second equation and solve for x. Then use the value of x to substitute back into the first equation and solve for y. Post ...
10. Physics

Consider three force vectors ~ F1, ~ F2, and ~ F3. The vector ~ F1 has magnitude F1 = 86 N and direction θ1 = 169◦; the vector ~ F2 has magni- tude F2 = 46 N and direction θ2 = 240◦; and the vector ~ F3 has magnitude F3 = 45 N and direction θ3 = 132...
11. ALGEBRA

Solve for y intercepts 7x+y=-2 Answer: Y = -2 7x + 2y = 4 Answer: Y = 2 -------------- If (3,-5) is a point on the graph for the equation in the form y=mx+7, then m=? Answer: -5=m(3)=7 m=-4 ---------------- Identify slope and y - intercept y=7x+3 Answer: slope=7 y intercept=3 ...
12. Geometry HOMEWORK HELP ME PLEASE!

Draw the triangle with vertices D(-2,1), U(4,9), and E(10,1) On a Graph. 2. Find DU, UE, AND DE. (Distance) 3. Classify Triangle DUE by its sides. 4. Write the standard form of the equation of each line: DU, UE, and DE.Also, find the slode and then the y-intercept. Start with ...
13. ANYBODY HERE?????????????????????????????????

PLEASE ANSWER MY QUESTION! THANK YOU! WHAT IS A PLOT? A plot (in mathematics and engineering) is a graph. It geography, it is a piece of land. In a cemetery, it is a grave site. It can also be a covert plan of action or conspiracy. In English a "plot" can be the form a story ...

Gina traveled 450 miles to her grandmother's house in two days. She traveled 50 more miles on Saturday than on Sunday. How many miles did she travel on Saturday? on Sunday? What does 200 + 250 add to? 450 Lauren collected 150 nickels and dimes. She has 70 more nickels than ...
15. Science

Since no one answered, and I really need help: So I am doing this science experiment about light. I chose to do one where you put a pencil in a glass of water and the light makes it look like it's bending. There is a chart of measurements that you need to fill out and I have ...
16. Science

Since no one answered, and I really need help: So I am doing this science experiment about light. I chose to do one where you put a pencil in a glass of water and the light makes it look like it's bending. There is a chart of measurements that you need to fill out and I have ...
17. Algebra

Student tickets to the Homecoming game cost \$5 each. General admission tickets cost \$8 each. So far, 150 tickets have been sold. \$900 has been collected. A. Write a system of equations for this model in standard form. 5S = Student tickets: 100 sold 8G = General Admissions: 50 ...
18. a ton of calc

basically, my teacher gave us a bunch of optimization problems and i've been working on them for hours and can't get them. if i could have help with maybe the first four, that would be AWESOME. thanks. 1) find the point on the graph of the function y = x^2 that is closest to ...
19. Physics

A motorcycle is travelling at a constant acceleration in a straight line. When it passes by the first lamp post, it is travelling at 10ms-1. When is passes by the next lamp post which is 200m from the first lamp post, the motor cycle is travelling at 16 ms-1. What is the ...
20. math

The Men's Warehouse has suites on sale for buy one full priced, get the second 40% discounted and the third 70% discounted. If a full priced suit costs \$380, what should someone expect to pay for three suites? Amy has been saving for her high school graduation trip for a long ...
21. math

I am a little lost on my homework can someone help me with these problems please! With a GM MasterCard, 5% of the amount charged is credited toward a rebate on the purchase of a new car. Express the R as a function of the amount charged A Write a formula that describes the ...
22. Math HELP!!!

The booster club sold tickets to a high school basketball game. They sold 700 student tickets and 500 general admission tickets, and raised a total of \$5000. The combined cost of one student ticket and one general admission ticket was \$8. The equations and graph below can be ...
23. math

please check my work. 1. The number of words (x) Tina can type per minute is at Least 50. write and graph and inequality. (I broke it down to these 2 choices because the A & D was incorrect) B. x is less than or equal to 50 C. x is greater than or equal to 50 ~~~~ 2. Gavin ...
24. economics question!!

Suppose a firm is both a monopoly and a monopsony. How would this firm choose the quantity of labour of labour to employ? what wage would this firm pay? can someone explain this question to me!! im stuck! I gave this question a brief answer earlier. Let me elaborate. Always ...
25. Microeconomics

The following table indicates the prices various buyers are willing to pay for a Miata sports car: Buyer A Maximum price \$50,000 Buyer B Maximum price \$40,000 Buyer C Maximum price \$30,000 Buyer D Maximum price \$20,000 Buyer E Maximum price \$10,000 The cost of producing the ...
26. Quick calc question

Write the Riemann sum to find the area under the graph of the function f(x) = x2 from x = 1 to x = 5. 1. the summation from i equals 1 to n of the product of the quantity squared of 1 plus 5 times i over n and 4 over n 2. the limit as n goes to infinity of the summation from i...
27. Rate determining step

I don't understand how to get a rate determining step. I have an energy diagram for a two-step conversion where the first step Ea is about 18 units. The energy then goes down about 4 units and rises again about 10 units to the peak of the second step. Why is the rate-...
28. statistics

the average student sends about 200 text messages a day with the standard deviation of 25 texts.(show graph) a.what is the probability that a student sends more than 250 messsages a day? b.what is the probability that student sends less than 150 text messages a day? c.what is ...
29. Math

Identify the correct steps to graph the line y = 3x + 1. Question 3 options: Plot the point (0, 1) on the y axis. Then, plot the point (3, 0) and connect the two points. Plot the point (1, 0) on the x axis. Then, plot the point (0, 3) and connect the two points. Plot the point...
30. Calculus

For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter increases? (b) For what ...
31. Calculus

For any constant c, define the function f_c(x)= x^3+2x^2+cx. (a) Graph y = f_c(x) for these values of the parameter c: c = -1, 0, 1, 2, 3, 4. What are the similarities and differences among the graphs, and how do the graphs change as the parameter increases? (b) For what ...
32. Biology

Hi, I am doing my lab assignment about Protein Analysis. Our job is to find the concentration of the casein protein in our original Unknown sample with the initial volume of 2ml. So after plotting the graph of the data given, we are supposed to find the equation for the line ...
33. college/microeconomics

The following table indicates the prices various buyers are willing to pay for a Miata sports car: Buyer A Maximum price \$50,000 Buyer B Maximum price \$40,000 Buyer C Maximum price \$30,000 Buyer D Maximum price \$20,000 Buyer E Maximum price \$10,000 The cost of producing the ...
34. Calculus

If the graph of the function y-(ax^2+b)/(x^2+cx+4) has vertical asymptotes x=1,x=4, a horizontal asymptote of y=2 and x-intercepts at x=+-2, find a, b and c. Answers: a=2, b=-8 and c=-5 I found a and b but I'm having trouble finding c. I made y=0 and x=2 0=(4a+b)/(4+2c+4) Then...
35. micro

On one society A the price of an apple is \$3 and the price of an orange is \$7, while on socity B the apple and orange are the same price, \$4. society A people consume 10 apples and 8 oranges while societyB people consume 8 apples and 12 oranges. Which society is better off? ...
36. maths

(a)(i)use the composite rule to differentiate the function f(x)=(x^2-6x+23)^(3/2). (ii)use the composite rule and your answer to part (a)(i) to show that the function g(x)=(x-2)/(x^2-6x+23)^(3/2) has derivative g'(x)=(5+9x-2x^2)/(x^2-6x+23)^(5/2). (iii)find any staionary ...
37. math

Solve the following algebraically. Trial and error is not an appropriate method of solution. You must show all of your work and write answers in rational form. 3 x + 7 = 9 Answer: x = 2/3 Show your work here: 3 x + 7 = 9 -7 - 7 3/3 x = 2/3 X = 2/3 b) Answer: x= -2 Show your ...
38. help i have no idea!!!!!! math

The Men's Warehouse has suites on sale for buy one full priced, get the second 40% discounted and the third 70% discounted. If a full priced suit costs \$380, what should someone expect to pay for three suites? Amy has been saving for her high school graduation trip for a long ...
39. Finite Math

At a price of \$ 1.94 per bushel, the supply corn in 9,800 million bushel and the demand is 9, 300 million bushel. At a price of \$1.82 per bushel, the supply is 9,400 million bushels and the demand is 9, 500 million bushels. A, find a price-supply equation of the form p=mx + b ...
40. statistics

The US Environmental Protection Agency reports the average fuel costs for various makes of cars. In recent years the fuel costs for mid‐size Japanese cars averaged \$1200. Suppose that the annual fuel costs for various makes of automobiles are normally distributed and ...
41. Probability

Consider a Markov chain X0,X1,X2,É described by the transition probability graph shown below. The chain starts at state 1; that is, X0=1. 1recurs p=.75 1to 2 p= .25 2to 1 p = .375 2 recurs p=.25 2 to 3 p = .375 3 to 2 p = .25 3 recurs p = .75 Find the probability that X2=3. P...
42. Math

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
43. chemistry

) Mare is preparing an experiment using 3 cups, one made of paper, one of plastic and one of glass. She plans on pouring 50 ml of hot water from a pitcher into each of the 3 cups and record the temperature in 5 minute intervals. What is the independent variable in this ...
44. Science

) Mare is preparing an experiment using 3 cups, one made of paper, one of plastic and one of glass. She plans on pouring 50 ml of hot water from a pitcher into each of the 3 cups and record the temperature in 5 minute intervals. What is the independent variable in this ...
45. pre algebra

write an equation for the line through the given points or through the given point with the given slope (5,7),(6,8) (1,2),(3,8) (0,5),(-3,2) (8,11),(6,16) For each of them, use the standard formula (y- y1) = [(y2-y1)/x2-x1)]*(x-x1) In the first case, that gives you (y-7) = (1/...
46. PreCal

Projectile Motion: An object is propelled upward at an angle theta, 45 degree < theta <90 degree, to the horizontal with an initial velocity of v0 feet per second from the base of an inclined plane that makes an angle of 45 degree with the horizontal. If air is ignored, ...

A local travel agent is organizing a charter ride to a well known resort. The agent has quoted a price of \$30 per person if 100 or fewer sign up for the ride. For every person over the 100, the price of the ticket for all will decrease by \$2.50. For instance, if 101 people ...
48. math

Can someone please help me on these I have look at the examples and done just what they did, but I still get it wrong and I only have one more time to try. Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9...
49. Math 116

could someone please evaluate what i have so far and help me with the last few questions... the linear equation: y = 0.15x + 0.79 represents an estimate of the average cost of gas for year x starting in 1997. the year 1997 would be represented by x = 1, for example, as it is ...
50. Economics

Consider the production function Q = 20K 1/2 L 1/2. The firm operates in the short run with 100 units of capital. a. The firm’s short-run production function is Q = __________. c. The average product of labor function is AP = __________. d. The marginal product of labor ...
51. English

Can someone check out the spelling and grammar for me, please? In this drawing, I was drawing cauliflower with some other vegetables. The vegetables was in the background and in the foreground, it was the cauliflower. This mainly should be a line drawing. The lines and shapes ...
52. MATH/ Check?

Correct. what is pi The definition or the number? The number is 3.14159 but that isn't an exact number. pi doesn't have an exact number except by definition and that is in words and not a number. The ellipse in question above( is translated 4 units to the right and 2 units ...
53. Math

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
54. Math

1. –9p – 17 = 10 (1 point) –3 16 18 –16 2. w over four – 4 = 3 (1 point) –4 28 3 11 3. d over three+ 10 = 7 (1 point) 51 20 0 –9 4. –2(m – 30) = –6m (1 point) –15 –13 –8 8 5. 3n + 2= 8 + 2n (1 point) 3 4 5 6 Simplify the expression. 6. –6 – 7(c + ...
55. microeconomics

Describe the adjustments in the production possibilities curves in each of the following situations for the United States economy. You should use a graph of a production possibilities curve in your explanation of each scenario. The two goods being produced in the economy are ...
56. Maths

The weight of a termite mound (y) in kilograms is measured each month (x) after it was first found. The mound after 1 month is found to be 2 kilograms and after 3 months it is measured at 18 kilograms. It is believed that the model connecting the weight of the mound to the ...
57. Algebra

Did I do thes right? 1. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: a) What does the number 3.03 represent? The cost for one gallon of gas. 3.03(g) b) Find...
58. Algebra

This is a quadratic equation problem I'm not sure how to start. Suppose you are an events coordinator for a large performance heater. One of the hottese new Broadway musicals has just started to tour. Supply information about projected ticket sales. you provide a formula that ...
59. Pre-Calc

The attendance A (in millions) at NCAA womens college basketball games for the years 1994 through 2000 is shown in the table, where t represents the year, with t=4 corresponding to 1994. year t attendance a 4 4.557 5 4.962 6 5.234 7 6.734 8 7.387 9 8.698 10 8.825 a. use the ...
60. CALCULUS

i needed help on some problems and clarification on one. 1. Determine the location and type (removable, jump, infinite, or other) of all discontinuities of the function (x^2-3x+2)/(x^2-1) this section has been confusing for me for some reason, can any one briefly explain the ...
61. Chemistry

H6P6: Urbium Oxide First Part of the Question: Urbium (Ur) is an upscale element found in big cities. Its oxide (UrO2) is not very stable and decomposes readily at temperatures exceeding 66∘ C. The figure below shows how the rate of reaction varies with the concentration...
62. Math

please check my work. 1. The number of words (x) Tina can type per minute is at Least 50. write and graph and inequality. (I broke it down to these 2 choices because the A & D was incorrect) B. x is less than or equal to 50 C. x is greater than or equal to 50 ~~~~ 2. Gavin ...
63. Grammar exercise check

Can somebody check my answers on this exercise? I'm horrible at this and I want to make sure if I'm doing it right. --------------------------------------- "Identify the gerunds or gerund phrases in the following sentences. Then, tell how each is used: as a subject, a ...
64. MATH

While traveling for vacation, you have decided to divide your lodging between a resort and a regular stay hotel. Let x represent the number of nights you will spend in a resort and let y represent the number of nights you will spend in a regular stay hotel. A) Write a system ...
65. Econ-expected utility & insurance

John is a professional football player and next year will be able to sign a \$25 million contract if he does not get injured this year. If he gets injured this year, his value will be significantly reduced and he will only be able to sign a contract for \$5 million. Suppose that...
66. Math - hw check

The admission fee for student is \$8 and the admission fee for Adult is \$15. In one hour, 12 adults and students enter the museum and a Total of \$131 in admission was paid. Write a linear system to model this problem and solve this problem graphically. Check you answer by ...
67. Physics

We're studying projectile motion in my Physics class right now, and last week we went outside and hit tennis balls with a bat. Now we must make graphs showing the position of the ball in both the x and y directions. I must also explain why each line has the shape that it does...
68. Math HELP! Ms.Sue

Gather a set of data. Choose a small sample, between 10 and 20 pieces of data, and a simple value to measure, such as the ages of visitors in a park, or the number of text messages each person in your family receives in one day. Choose a display for your data, such as a ...
69. Help 3!!!

Which line is the flattest (or is less steep)? Why? y = 5x -6 y = 5x + 6 y = x - 3 y = x + 3 Slope is the the coefficent of x. You have a choice here of two slopes: 1, and 5. Either of the two y= x + ? has the same slope. so is it the last one? either of the last two have a ...
70. algebra

Explain (in 3 or more sentences) how you can tell if a system of two linear equations has 0, 1, or infinitely many solutions. Be sure to say how the lines are not related and give specific examples of each. ok, I think it might be: A system of two linear equations has one ...
71. electricity

including a full wave rectifier in an AC circuit will yield a ----- current. A)intermittent direct. B)intermittent alternating. C)continuous direct. D)continuous alternating. Full wave recitifer will reverse the negative waves, making the output voltage waveform like continous...
72. Algebra

A school is keeping track of the number of tickets remaining for its end-of-year festival. Below is the number of sales for the first, second, third, and fourth weeks of the month leading up to the festival. Which graph could represent the data below? Week- 1,2,3,4 Tickets ...
73. Algebra II

A furniture company displays bedroom sets which require 21 square meters of space and living room sets which require 42 square meters of space. The company,which has 546 square meters of available space, wants to display at least 6 bedroom sets and at least 5 living room sets...
74. pre-calc

Can someone check my work please? Convert each polar equation to a rectangular equation. Then determine the graph's slope and y-intercept. ( I'm going to type 'x' instead of theta ) r sin(x- pi/4)=2 r(sin(x- pi/4))=2 r(sinx*cos pi/4 - sin pi/4*cosx)=2 r(sqrt2/2*sin x - sqrt2/2...
75. Math

I have a bar graph that shows the number of students by major in the College of Arts and Science. Math shows 200 students History shows 300 students English shows 400 students Science shows 150 students Other shows 175 students What percent of students in the college are ...
76. Calculus 1

Consider the following. B(x) = 3x^(2/3) − x (a) Find the interval of increase.(Enter your answer using interval notation.) Find the interval of decrease. (Enter your answer using interval notation.) (b) Find the local maximum value(s).(Enter your answers as a comma-...
77. Math!

Please Please Please help me! I'm really behind and need to get this done and i'm really confused. 1. 5h – 9 = –16 + 6h (1 point) 4 –7 7 10 2. 4x + 4 = 9x – 36 (1 point) –8 –7 8 –3 3. Which of the following equations has an infinite number of solutions? (1 point...
78. math

Linear Programming word problem Full Question: Madison is preparing a wilderness backpacking trip on which she plans to eat a combination of cereals and nuts. The recommended daily requirement is at least 300 calories and 2.4 ounces of protein. Each ounce of cereal supplies ...
79. chemistry

Sodium dodecyl sulfate (SDS) has the structure below. The surface tension of water changes as SDS is added, as shown in the graph below. (a) Why does the surface tension of water change as SDS is added? The number of micelles increases, which allows the non-polar tails of SDS ...
80. pre-calculus honors

GENERATE A FUNCTION THAT MODELS THE SITUATION. Consider the type of function described—it is not linear! A shipping company charges \$4 for the first pound and \$3 for each additional pound or part thereof. As you try to come up with the equation, consider the following: -How ...
81. pre-calculus honors

GENERATE A FUNCTION THAT MODELS THE SITUATION. Consider the type of function described—it is not linear! A shipping company charges \$4 for the first pound and \$3 for each additional pound or part thereof. As you try to come up with the equation, consider the following: -How ...
82. algebra

A few more question Id like for someone to check please. 1) what are the vertex, focus, and directrix of the parabola with the given equation? x^2-8x-28y-124=0 vertex (4,-5) focus (0,7) directrix y=-12 2) write an equation of a circle with given center and radius. center(-7,-6...
83. math

I'm working on a math project about a track and field olympic event. The question is, is the relationship between the years and time values linear or exponential? So I selected an event and I can see that as the years have passed, the time has decreased, so I consider that ...
84. Pre-Calculus

The monthly revenue acheived by selling x boxes of candy is calculated to be x(5-0.05x)dollars. The wholesale cost of each box of candy is \$1.50. How many boxes must be sold each month to achieve a profit of at least \$60. Can someone please let me know how to set up this ...
85. Algebra 2

sauce 1: 5 green peppers + 4 hot peppers sauce 2: 4 green peppers + 8 hot peppers I have 1050 green peppers and 1200 hot peppers Profit sauce 1 :\$1.20 Profit sauce 2: \$ 1.00 I made a system of inequalities: 5x +4y > 1 4x +8y > 1 x< 1050 y< 1200 I calculated I can ...

The graph below shows that h t t p ://tinypic. c o m /r/11shxdj/3 (take out spaces) a. favorable environmental conditions can cause a population to increase slowly at first and then rapidly b.favorable environmental conditions enable an equilibrium to be reached between ...

The graph below shows that h t t p ://tinypic. c o m /r/11shxdj/3 (take out spaces) a. favorable environmental conditions can cause a population to increase slowly at first and then rapidly b.favorable environmental conditions enable an equilibrium to be reached between ...
88. science

'the scale of a mercury-in-glass thermometer is linear. one such thermometer has a scale extending from -10 degrees Celsius to 110 degrees Celsius. the length of the scale is 240mm.' what is linear? what is meant when the question said the scale is linear? how do i calculate ...
89. Algebra 2

For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.) Center of Heavy class: ...
90. Algebra - Can you PLEASE check - I"m stuck!

Bob is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: F(N)=10(1.02)^n 1. Starting from 0 days, plug x-values into our function to find out how many days it takes for the plant to...
91. Drawing polar curve

How do you draw a polar curve? For example, r=2+cos2(thetha) You need to plot points where theta varies from 0 to 2pi, unless you have a graphing program (which I do). Your example looks like 2 overlapping circles. so u mean that it can't be drawn by hand? You can draw it by ...
92. Algebra 2 (Please, help me!)

For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.) Center of Heavy class: ...
93. Algebra 2 (Please, help me!)

For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.) Center of Heavy class: ...
94. Algebra 2 (PLEASE, HELP ME!)

For a livestock competition, the weight classes for hogs are shown in this table. Classes: Light: 200-230 (weight range in lbs.) Heavy: 230-250 (weight range in lbs.) a. What is the center of each weight class? A: Center of Light class: 215 pounds (lb.) Center of Heavy class: ...
95. Math (Calculus II) (Weird Work Problem Setup Help)

I am trying to understand my teacher's example of a Work problem. Cut to the chase here's a picture of the problem: goo.gl/photos/AqZ6ENmHLg6heixD7 While I understand how to integrate fairly well, I'm still confused on how exactly my teacher set up the work problem. Since work...

suppose m(0) milligrams of a drug are put in the blood of an injection. The amount of drug t hours after the injection is given by m(t)=m(o)e^-kt, for t (=>) 0, where k is the rate constant, which is related to the half life. we also treat oral administration of drugs as an...