Entered Answer Preview Result (6-5*x)*(e^(5*x)] (6 – 5x) ex incorrect The answer above is NOT correct....
Entered Answer Preview Result [e^(-2*1)]*[8*cos((9/5)*1)-14*sin((9/5)*t)] - * (cos(.) – 14 sin(6-)) incorrect The answer above is NOT correct. (1 point) Find y as a function of t if 25y" + 100y + 181y = 0, y(1) = 8, y'(1) = 2. y= e^(-2*t) * (8*cos(9/5*t) -14*sin(9/5*t))
Entered Answer Preview Result 5/(2*[(5*x+11) (1/2)]) correct 252 +11) 52 +1 (5*x+176 incorrect At least one of the answers above is NOT correct. (1 point) For f(3) = 5x +11, find f '() using the definition f '() = lim f(x+h)-f(z) 0 h f'(t) - 5/(2(5x+11)^(1/2)) Using this, find the tangent line to the graph of y 51 +11 at 1-1. Enter all values as integers, or fractions in lowest terms. y= (5x+1V6 Note: You can earn partial credit on...
Entered Answer Preview Result 0.157 0.157 incorrect The answer above is NOT correct. (1 point) The equation In(x + 1) – In(x) = 2 has the solution x = 0.157 Hint: First use the properties of logarithms, then apply the exponential on both sides.
Please explain, thank you! Results for this submission Entered Answer Preview Result [(-2/5)*(x^2)+(-4/25)*x+(-152/375)]*[e^(2x)] incorrect The answer above is NOT correct. (1 point) Use the method of undetermined coefficients to find one solution of y" +3 y' – 5 y=(-6x2 – 80 – 8) e21. y= ((-2/5)x^(2)+(-4/25)x+(-152/375))e^(2x) help (formulas) Note: The method finds a specific solution, not the general one. Do not include the complementary solution in your answer. Preview My Answers Submit Answers Your score was recorded. You have attempted...
Results for this submission Entered Answer Preview Result Message sgrtju^2+6) incorrect incorrect The identity function is not alow At least one of the answers above is NOT correct. (1 point) Express the function y= Vr + 6 as a composition y = f(e(x)) of two simpler functions y = f(u) and u = g). fu) - sgrttu2+6) help (formulas) g(x)-x help (formulas) Note: You can eam partial credit on this problem. Submit Anawers Preview My Answers Your score was recorded....
Entered Answer Preview Result 2.9356E-05 2.9356 x 10-5 incorrect The answer above is NOT correct. (1 point) 45° | 45° Two perpendicular straight wires join in the ends of a semicircular loop of radius a = 24 cm, as shown in the figure above. If the current I = 8 A, what is the resultant field at the center of the circular section? 0.000029356 T out of the page.
Entered Answer Preview Result sqrt([4-sqrt(x^2)+1)+23973) 4V 22 +1 +239 3 incorrect V The answer above is NOT correct. (1 point) Solve the initial value problem: 42-6yza+make=0, (0) = -8 y() = sqrt((4sqrt(x^2+1)+23973)
Entered Answer Preview Result 7 7 incorrect The answer above is NOT correct. (1 point) Suppose that the following 30a -24y 20x - 16 is a consistent system. Then k = Preview My Answers Submit Answers
Entered Answer Preview Result 12.29 12.29 incorrect The answer above is NOT correct. (1 point) Suppose that u = 8xe% + 9y sin(42) and that x, y, and z can be measured with maximum possible errors of +0.04, +0.05, and ET/130, respectively. Use a linear approximation to estimate the maximum possible error in calculating u from the measured values x = 7, y = In 2, z = 7/8. Error in u is 12.29
Entered Answer Preview Result Message incorrect The domain of your function doesn't match that of the correct answer 2 correct 10 10 correct infinite infinite correct 0 correct At least one of the answers above is NOT correct. (1 point) A. Solve the following initial value problem: (<? - 121 +20) 4x- y dy dt with y(6) 1. (Find y as a function of t.) y(t-10) (t-2)(1/10) B. On what interval is the solution valid? Answer: It is valid for...