Find the parametric equation of the line passing through the point P(5,2,-3) and the parallel to the line x-1=8t, y+2=-6t, z=5t. 7x - 9y = 29 7x + 2y = -15. Select an item from the list below for help.'. By how much does the animal population increase between the fourth and tenth years? In fact, she has to work hard at understanding mathematical concepts. Mathskey offers Basic and Premium Memberships. Express the following in radians: 1025 degrees. Find the number. Calculate step by step. She also notices there are a total of 64 legs. Do not use the product rule. A(0, 0, 0), B(3, 2, 6), C(6, 1, 6), D(3, -1, 0). Find the first three nonzero terms of the Taylor series for the function f(x) = sqrt(4x - x^2) about the point a = 2. How long are the two pieces? Evaluate the indefinite integral: \int \dfrac{4(3x^2 + 2)}{(x^3 + 2x)} dx. e(^(x^2y))=x+y, Show how to calculate the iterated integral. Sum of ((-1)^(n + 1))/(n*ln n) from n = 2 to infinity. Determine if the series converges or diverges. Find the point(s) on the surface z^2 = xy + 1 which are closest to the point (7, 8, 0). Two mechanics worked on a car. Sum of ((5x - 7)^n)/(n^2) from n = 1 to infinity. The cable makes a 65-degree angle with the ground. What is a good system of equations word problem? The length of a rectangle is 6 more than twice its width. Determine whether the series \sum_{k=0}^{\infty}\frac{2k-1}{3k+5} converges or diverges. What are the two coins? How was Mayan mathematics different from math today? Find the solution of the initial value problem y double prime + 2*y prime + 5y = 20e^(-t) cos(2t), y(0) = 10, y prime (0) = 0. cot (theta)/csc^2 (theta) - 1 = tan (theta), Verify the identity. Copyright 2020 Math Goodies. Find all three sides of the triangle with vertices P(2, -1, 0), Q(4, 1, 1), and R(4, -5, 4). The college store paid \ \ 1670 for an order of 45 calculators. Stuck on a tricky math problem that you can't seem to work through? If csc alpha = 3, where 0 less alpha less pi/2, and beta is a Quadrant II angle with tan beta = -7, find cos (alpha + beta). What is the value of the product (2i)(3i)? s1.async=true; Determine if the series \sum_{n=1}^{\infty} (-1)^n 2n is absolutely convergent, conditionally convergent or divergent. How many pounds of sunflower seeds are needed to make a mixture... Find f. f"(theta) = sin(theta) + cos(theta), f(0) = 2, f'(0) = 4, Find the integral by the substitution method. Mathskey offers help to students in Preschool, Middle school and High school level. For the curve given by r(t) = (-2sin t, 4t, 2cos t), A) Find the unit tangent T(t). Find the radius and interval of convergence of the series sum of (n(x + 2)^n)/(3^(n + 1)) from n = 0 to infinity. Carrington used 3/4 of the 1/2 of an hour allotted for an exam to do the first 3 problems. Find a function f such that F = \nabla f and f(0,0,0) = 0 b. (b) Use the initial condition f(0) = 12 to evaluate the constant. Translate the following phrase into an algebraic expression. Find the interval of convergence of the following power series. ", "My daughter uses it to supplement her Algebra 1 school work. Exercise 3.5.1 : On the space of nonnegative integers, which of the following functions are distance measures? One number is 3 less than a second number. Determine the convergence of the series \sum_{k=0}^{\infty} (-1)^{k+1} \frac{\sqrt k}{k+1}, Find the general solution of the following differential equations a) y''-2y'-3y = 3e^{2t} b) y''+2y'+5y = 3\sin 2t, Solve the initial-value problem t^3 \frac{\mathrm{d} y}{\mathrm{d} t} + 3t^2y = 4 \cos(t), \quad y(\pi) = 0. Find all the values of x such that the given series would converge. Find the radius of convergence of the following power series. What is the number? y= 1/2(e^x+e^-x) and interval [0,2]. Find the sum of the series for those value of x. B) Write the equation of the tangent line at (-1, sqrt(2)). The square root of a number plus two is the same number. The steps on how you hire for Accurate Math homework answers is easy as a, b, c. fill the form below and have it submitted. Find the distance between the points. s0.parentNode.insertBefore(s1,s0); Its area is 480 sq.cm. Sum of (x^(n + 7))/(6*factorial of n) from n = 2 to infinity. -1 c. -2 d. -4, Expand the following expression. Suppose y = sqrt(6 + 4x^3). (3 * 8) - 2 + (3 + 6) = ? DD x C= ? Mathskey homework help can teach you several techniques in solving math. Write the given number in the form a + bi. Compute the following values for the given function. 10sin^2(x) = 10 + 5cos(x). Sum of ((x - 6)^n)/(factorial of (2n)) from n = 1 to infinity. Find the radius and the interval of convergence of the power series: sum of ((-1)^n n(x + 3)^n)/(4^n) from n = 1 to infinity. Convert 122^o 37' to radians. If a biologist has two treatments that are independent samples and he is not assuming a normal distribution of the data, which test(s) would be appropriate to use? What unique role does psychology play in systems biology? All work must be shown for each of the following problems, in the attachment below, thank you. (b) Find the divergence of the vector field. Suppose theta is a Quadrant I angle with tan theta = x. Verify the formula: cos (2 theta) = 1 - x2 / x2 + 1, Suppose theta is a Quadrant I angle with tan theta = x. Verify the formula: sin (2 theta) = 2x/ x2 + 1, Suppose theta is Quadrant I angle with sin theta = x. Verify the formula: cos theta = sqrt(1 - x2). Test the following series for convergence or divergence. Find the absolute maximum and absolute minimum values of f on the given interval. If csc alpha = 3, where 0 less alpha less pi/2, and beta is a Quadrant II angle with tan beta = -7, find tan (alpha - beta). Find an equation for the plane consisting of all points that are equidistant from the points (7, 0, -2) and (9, 12, 0). A Norman window has the shape of a rectangle surmounted by a semicircle as in the figure below. Chegg is one of the leading providers of math help for college and high school students. Sum of (2^k (x - 3)^k)/(k^2) from k = 0 to infinity. Determine whether the integral is convergent or divergent. Find the values of x for which the series \sum_{n=1}^{\infty} \frac{x^n}{9^n} converges. ), Find dy/dx by implicit differentiation. Find the point on the line y = 2x + 4 that is closest to the point (5, 1). Browse through all study tools. Sum of (4^n)/(factorial of (2n + 1)) x^(2n - 1) from n = 0 to infinity. The Beverton-Holt model has been used extensively by fisheries. 480 c. 5A + 10B = 200, Find the curvature for r(t) = \langle 4\cos t, t, 4\sin t \rangle. 1-cos (theta)/sin (theta) = csc (theta) - cot (theta). What is the number? This model assumes that populations are competing for a single limiting resource and reproduce at discrete moments in time. Construct a 95% confidence interval for the effect of years of education on log weekly earnings. Suppose we are trying to model Y as a polynomial of X. Renting daily is cheaper for a few days, but after how many days are the two options equal? Find the product of 2 x + 3 y and x^2 - x y + y^2. Find the radius of convergence for the following power series. F(t) = e^(2t*sin 2t). Math can be a difficult subject for many students, but luckily we’re here to help. If csc alpha = 3, where 0 less alpha less pi/2, and beta is a Quadrant II angle with tan beta = -7, find sin (alpha - beta). (b) Use f(0) = 0 to evaluate the constant. Evaluate the integral: integral of 2sec^4 x dx. What kinds of pre-discussion activities facilitate student discourse about math? (Your answers should include the variable x when appropriate.). Test the following series for convergence or divergence. Verify the identity. Axial Symmetry Friday October 30, 2020. B) Find the unit normal N(t). See this page for additional student resources. All rights reserved. (Justify your answer.) Then, what is the possible coordinate(s) for K? Find the solution to the following problem: 6(-9) - (-8) - (-7) (4) + 11, Solve the formula for the indicated variable. All Rights Reserved. If the following series converges, compute its sum. Math … Evaluate the integral. Find the indefinite integral: int(4 - 7x4 + 3x6) dx. f(t + 1). Find the slope of the curve: x^3 - 3xy^2 + y^3 = 1 at the point (2, -1). Given the velocity function v = t^2 + \frac{4}{\sqrt[4]{t^3}} , find the acceleration and the position function. - Slader Consider the vector field F(x, y, z) = (2 z + y) i + (2 z + x) j + (2 y + 2 x) k. a) Find a function f such that F = nabla f and f(0, 0, 0) = 0. f(x, y, z) = b) Suppose C is any curve from (0, 0,... r(t)=(2 \ln(t^2+1) i+ (\tan^{-1} t) j+8 \sqrt{t^2 + 1} k is the position vector of a particle in space at time t . Determine convergence or divergence of the following series and state the test used. I have two U.S. coins that total 30 cents. 1+sin (theta)/cos (theta) = sec (theta) + tan (theta), Verify the identity. Translate the following phrase into an algebraic expression.
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