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Homework 9: Problem 5 Previous Problem Problem List Next Problem Results for this submission Entered Answer...
Homework 1: Problem 33 Previous Problem Problem List Next Problem Results for this submission Entered Answer...
Homework 1: Problem 33 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Result -56.5487 -187 incorrect The answer above is NOT correct. (1 point) Compute the flux of F = 3(2 + z)i + 25 + 3zk through the surface S given by y = 22 + z2, with 0 <y<9, x > 0, 2 > 0, oriented toward the xz-plane. flux = -18pi
Previous Problem Problem List Next Problem Results for this submission Answer Preview Result Ente...
Previous Problem Problem List Next Problem Results for this submission Answer Preview Result Entered 467 280 correct 1.66786 1.37275 incorrect 1.37275 At least one of the answers above is NOT correct. (1 point) Use Newton's method to find the second and third approximation of a root of 2x +7x +4 0 starting with x 2 as the initial approximation. The second approximation is x2467/280 The third approximation is x31.37275 Note: You can earn partial credit on this problem.
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Consider the power series Find the radius of convergence R. If it is infinite, type "infinity"...
Consider the power series Find the radius of convergence R. If it is infinite, type "infinity" or "inf". Answer: R= What is the interval of convergence? Answer (in interval notation): | (1 point) Library/Rochester/setSeries8Power/eva8_6c.pg The function f(x) = is represented as a power series f(x) = cnx". Find the first few coefficients in the power series. co= || C1 = || || C4 = Find the radius of convergence R of the series. R=1
Find the radius of convergence and interval of convergence for the given power series (note you...
Find the radius of convergence and interval of convergence for the given power series (note you must also check the endpoints). (Use inf for too and -inf for --oo. If the radius of convergence is infinity, then notice that the infinite endpoints are not included in the interval.). Radius of convergence: For the interval of convergence (1) the left endpoint is = left and included (enter yes or no): (2) the right endpoint is z= right end included (enter yes...
Previous Problem List Next Results for this submission Entered Answer Preview Result 375504.8234 375504.8234 -4069.019 -4069.019...
Previous Problem List Next Results for this submission Entered Answer Preview Result 375504.8234 375504.8234 -4069.019 -4069.019 ncorrect At least one of the answers above is NOT correct. (1 point) An investment portfolio changes value at the rate V') 103 whre V is in thousands of doilars and t is the number of years after 2004. By how much does the value of the portfolio change between the years: a. 2004 and 2008? ANSWER:375504.8234 b. 2008 and 2010? ANSWER:-4069.019 Note: You...
Section 3.3 Complex Roots: Problem 3 Previous Problem Problem List Next Problem Results for this submission...
Section 3.3 Complex Roots: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Message Result incorrect e^((3/5)t)(c1cos(4t/5)+c2sin(44/5) Variable 'cicos' is not defined in this context The answer above is NOT correct. (1 point) Find y as a function of t if 25y" – 30y' + 25y = 0, y'(0) = 4. y(0) = 5, y(t) = Preview My Answers Submit Answers
I'm struggling with two simpler calc questions, and I would appreciate it if someone could walk...
I'm struggling with two simpler calc questions, and I would
appreciate it if someone could walk me through the steps on these
to show me where I'm going wrong. Thank you.
(2 pts) Consider the power series Find the radius of convergence R. If it is infinite, type "infinity" or "inf Answer: Rinf What is the interval of convergence? Use interval notation for an interval. Type the number, if it is only a single point. Type NONE if there it...
Previous Problem Probler List Next Problem Results for this submission Answer Preview Result 5 correct 0.321...
Previous Problem Probler List Next Problem Results for this submission Answer Preview Result 5 correct 0.321 incorrect 0.322 incorrect At least one of the answers above is NOT correct. (15 points) Thet statistic for a test of H: = 56 HAM#56 based on n-6 observations has the value t = -1.1. (a) What are the degrees of freedom for this statistic? 5 (b) Using the appropriate table in your formula packet, bound the p-value as closely as possible: 0.321 <p-value...
Polynomial Review: Problem 18 Problem List Next Problem Previous Problem Results for this submission Message Result...
Polynomial Review: Problem 18 Problem List Next Problem Previous Problem Results for this submission Message Result Answer Preview Entered This answer is equivalent to the one you just submitted (-17/500000)(x- incorrect The answer above is NOT correct (1 point) Find an equation with real coefficients for the polynomial that passes through the point (0,68) that has the following roots with the given multiplicities. Root -422+3+ 214 2 f(17/(500000) (x-2x+4)*2 (x
3.5 - Implicit Differentiation: Problem 3 Previous Problem Problem List Next Problem Results for this submission...
3.5 - Implicit Differentiation: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview [6*y-In(y)*y\Elx^2)+5*(y^4)x] 6y - In(y) y x² + 5yx The answer above is NOT correct. dy (1 point) Find dx in terms of x and y if x In y + y = 6 ln x. dy dx (6y-Inyy)/(x^2+5y^4x) Preview My Answers Sulgmit Answers Your score was recorded. You have attempted this problem 2 times. You received a score of 0% for...
Homework 1: Problem 33 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Result -56.5487 -187 incorrect The answer above is NOT correct. (1 point) Compute the flux of F = 3(2 + z)i + 25 + 3zk through the surface S given by y = 22 + z2, with 0 <y<9, x > 0, 2 > 0, oriented toward the xz-plane. flux = -18pi
Previous Problem Problem List Next Problem Results for this submission Answer Preview Result Entered 467 280 correct 1.66786 1.37275 incorrect 1.37275 At least one of the answers above is NOT correct. (1 point) Use Newton's method to find the second and third approximation of a root of 2x +7x +4 0 starting with x 2 as the initial approximation. The second approximation is x2467/280 The third approximation is x31.37275 Note: You can earn partial credit on this problem.
Previous Problem...
Consider the power series Find the radius of convergence R. If it is infinite, type "infinity" or "inf". Answer: R= What is the interval of convergence? Answer (in interval notation): | (1 point) Library/Rochester/setSeries8Power/eva8_6c.pg The function f(x) = is represented as a power series f(x) = cnx". Find the first few coefficients in the power series. co= || C1 = || || C4 = Find the radius of convergence R of the series. R=1
Find the radius of convergence and interval of convergence for the given power series (note you must also check the endpoints). (Use inf for too and -inf for --oo. If the radius of convergence is infinity, then notice that the infinite endpoints are not included in the interval.). Radius of convergence: For the interval of convergence (1) the left endpoint is = left and included (enter yes or no): (2) the right endpoint is z= right end included (enter yes...
Previous Problem List Next Results for this submission Entered Answer Preview Result 375504.8234 375504.8234 -4069.019 -4069.019 ncorrect At least one of the answers above is NOT correct. (1 point) An investment portfolio changes value at the rate V') 103 whre V is in thousands of doilars and t is the number of years after 2004. By how much does the value of the portfolio change between the years: a. 2004 and 2008? ANSWER:375504.8234 b. 2008 and 2010? ANSWER:-4069.019 Note: You...
Section 3.3 Complex Roots: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview Message Result incorrect e^((3/5)t)(c1cos(4t/5)+c2sin(44/5) Variable 'cicos' is not defined in this context The answer above is NOT correct. (1 point) Find y as a function of t if 25y" – 30y' + 25y = 0, y'(0) = 4. y(0) = 5, y(t) = Preview My Answers Submit Answers
I'm struggling with two simpler calc questions, and I would
appreciate it if someone could walk me through the steps on these
to show me where I'm going wrong. Thank you.
(2 pts) Consider the power series Find the radius of convergence R. If it is infinite, type "infinity" or "inf Answer: Rinf What is the interval of convergence? Use interval notation for an interval. Type the number, if it is only a single point. Type NONE if there it...
Previous Problem Probler List Next Problem Results for this submission Answer Preview Result 5 correct 0.321 incorrect 0.322 incorrect At least one of the answers above is NOT correct. (15 points) Thet statistic for a test of H: = 56 HAM#56 based on n-6 observations has the value t = -1.1. (a) What are the degrees of freedom for this statistic? 5 (b) Using the appropriate table in your formula packet, bound the p-value as closely as possible: 0.321 <p-value...
Polynomial Review: Problem 18 Problem List Next Problem Previous Problem Results for this submission Message Result Answer Preview Entered This answer is equivalent to the one you just submitted (-17/500000)(x- incorrect The answer above is NOT correct (1 point) Find an equation with real coefficients for the polynomial that passes through the point (0,68) that has the following roots with the given multiplicities. Root -422+3+ 214 2 f(17/(500000) (x-2x+4)*2 (x
3.5 - Implicit Differentiation: Problem 3 Previous Problem Problem List Next Problem Results for this submission Entered Answer Preview [6*y-In(y)*y\Elx^2)+5*(y^4)x] 6y - In(y) y x² + 5yx The answer above is NOT correct. dy (1 point) Find dx in terms of x and y if x In y + y = 6 ln x. dy dx (6y-Inyy)/(x^2+5y^4x) Preview My Answers Sulgmit Answers Your score was recorded. You have attempted this problem 2 times. You received a score of 0% for...
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Amplitude=3;
fs=8000;
n=0:399;
t=0:1/fs: n*1/fs-1/fs;
signal=3+3*cos(2*pi*1100*t)+3*cos(2*pi*2200*t)+3*cos(2*pi*3300*t);
fftSignal= fft(signal);
fftSignal=f ftshift (fftSignal);
f=fs/2*linspace(-1,1,fs);
plot(f,abs(fftsignal);
xlabel('Frequency(Hz)’)
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