### Closed unit disc

Please see attachment Find the maximum of...over the closed unit disc.

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Please see attachment Find the maximum of...over the closed unit disc.

A pilot, attempting to fly from Middletown to Westburg, a distance of 200 miles, notices after flying 180 miles that West burg is still 35 miles away because the heading was off by a few degrees. How many degrees was the heading off the desired course (to one decimal place)?

Mike, who is standing on the deck of a yacht that is traveling due west at 6km/h, sees a sailboat sailing southwest at 4km/h, 3 km northwest of the yacht. How close to each other do these boats get?

Mary, Pete and Michael were the only 3 students in a seminar in history. The class consisted of 15 sessions. Mary missed 1 of the classes, Pete missed 2 of the classes and Michael missed 2 of the classes. What is the average number of classes missed per student?

A survey of college sophomores showed that 5/6 of the males were taking a mathematics class and 3/4 of the females were taking a mathematics class. One-third of the males were enrolled in calculus, and 1/5 of the females were enrolled in calculus. If just as many males as females were surveyed then what fraction of the surveyed

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An electric charge is distributed throughout 3-space with density inversely proportional to the distance from the origin. Show that the total charge inside a sphere of radius R is proportional to R^2.

Find a parametric representation for each of the surfaces. 1.) The part of the sphere x^2 + y^2 + z^2 = 4 that lies above the cone z= square root of x^2 + y^2 2.) The part of the cylinder x^2 + z^2 = 1 that lies between the planes y= -1 and y= 3

Please see attached page for problem. From a plot of F guess whether it is conservative. Then determine whether your guess is correct.

The number of arrests y of a city over a period of time x is graphed on a rectangular coordinate system. Write a paragraph describing your interpretation when the slope is positive, zero, and negative. If you were buying a home in this particular city, which slope would be most attractive to you and why?

Find the area of the region enclosed by one loop of the curve. r = 6sin(11*theta)

See attached file. The relationship between the weight of a child (w, in pounds) and the child's blood pressure (P, in millimeters of mercury) is given by the function above. a. Find the rate of change of blood pressure with respect to weight when the child's weight is 60lbs. b. Find the weight (to the nearest pound)

Please use any computer software to solve the problem if you want. Please provide the evidence of your work and explain your solution. Thank you.

For x an element of R upper k and y an element of R upper k define d1 (x, y) = max{|x of i - y of i| : 1≤i≤k} and d2 (x, y) = min{|x of i - y of i| : 1≤i≤k}. Determine for each of these whether it is a metric or not. Fully explain your answers. Thank you so much.

The Cartesian coordinates of a point are given. Find the polar coordinates (r,theta) of the point, where r > 0 and 0 less than or equal to theta < 2pie points are (-1, square root of 3)

I am providing calculus problems from different sections in my book please help me understand each problem. Show all work clearly for me to learn how to work out each problem. Thank you in advance

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Please solve below exercises using the Equation Editor. Answers are already provided for you from the actual book. You must show however how you have arrived at the answer. Section 6.5 Exercise 55 Sophomore math. A survey of college sophomores showed that of the males were taking mathematics class and of the females

The importance of geometry's role in the math curriculum is debated in many high schools and colleges. Some schools offer the course while others have done away with it. Based on what you have learned, do you think geometry is a valuable tool for students to learn? Choose one side of this debate, state your view, support your vi

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Eliminate the parameter. Find a rectangular equation for the plane curve defined by the parametric equations. x = 3t, y = t + 7 y = 3x + 7 y = x/3 + 7 y = x/3 - 7 y = 3x - 7 Find a set of parametric equations for the rectangular equation: y = 2x - 2 x = t/2; y = t - 1 y = 2t; 2x = t + 2 y = 2t2 -

Theorem: Suppose that a sequence S of real numbers has a subsequence that converges to a real number a. Then S converges to a. I know this is true as an if and only if statement, but I need a counter example to show that just one converging subsequence isn't enough. Here are two sequences I'm considering: {1,-1,1,-1,1,-1..

The current I , in amperes, flowing through a particular AC circuit at time t seconds is I = 120sin(70(pi)t-pi/6) What is the period of the current? 1/35 seconds pi/120 seconds 1/420 seconds 70m seconds

Please provide a step by step solution. Please see attached file.

Prove the annulus A={z in (the set)R^2 : r <= |z| <= R} is connected. Is it sufficient to show that the annulus is homomorphic to the circle, and then since circle is connected, so is the annulus ? If so, how do you show it, if not, can you shed light on another method?

1. A test vehicle on a track goes through photo gates spaced 25 m apart at the following times: 2.00 sec, 3.30 sec, 4.30 sec a. Plot the position versus time of the vehicle. b. Plot the average speed of the vehicle in the time intervals versus time. 2. A rally driver has to maintain a constant speed between c

Please see the attached file for complete description 1. Write the first five terms of the arithmetic sequence: a1 = 3; d = 3 2. A spinner is used for which it is equally probable that the pointer will land on any one of six regions. Three of the regions are colored red, two are colored green, and one is colored yellow. If t

Please see attached file for full problem description. 1. Decide whether each of the following statements is true or false. If true, explain why. If false, give a counter-example and explain why the counter-example contradicts the statement. a. If then b. If f and g are continuous functions on [a,b], then c. If f