Find f(x). Find the product of 2 x + 3 y and x^2 - x y + y^2. Calculate the mass percent of Ca in CaCl2 and the mass percent of CaCl2 2H2O. Assume that all expressions under radicals represent nonnegative numbers. (b) Find the divergence of the vector field. A company that has a large number of supermarket grocery stores claims that customers who pay by personal checks spend an average of $87 on groceries at these stores with a standard deviation of $2... Graph the equation. What is the value of the product (2i)(3i)? b. tan 4 x sec 7 x d x (Use C for the constant of integration. A. e^(x^2-3x)=e^(-2), The interest on a $5,000 note at 6% for 60 days is $50. Write out... A doctor orders that a patient is to receive 1.5 x 10-3 moles of sodium chloride. x = 6 + 12t^2, y = 5 + 8t^3, 0 leq t leq 4. Without replacement. A) 3 g... For each of the following, identify the exam score that should lead to the best grade. Determine whether the series \sum_{n=1}^\infty \frac{(-1)^nn^6}{7^n} converges or not. Sum of (2n^2 + 3)/(5n^2) from n = 1 to infinity. As they rode by, he counted 31 cyclists and 70 wheel... Find the area under the normal curve with z-scores greater than 2.92: P(Z greater than 2.92) = [{Blank}]. Suppose R(t) = (3t^3)i - (2t^2 + 5)j + (4t^3)k. What is the curvature of R(t) if t = 2? One is not a nickel. Solve the operation combined with radicals: (\sqrt[3]{2})^2.\sqrt{8} + 5\sqrt[6]{2}, Execute the conversion: a) 34 mg to grams b) 567 KJ to Joules c) 0.35 m to millimeters d) 6,980,000 mm to kilometers e) 0,000345 ml to liters f) 3.56 cm to kilometers. The sum of the series is pi square/6. Show all steps. What is the factored form of 5n^3 + 15n^2 + 4n + 12? Choose all correct statement. \int \frac{tan^4x}{sec^7x}dx, Find the indefinite integral. Find the curvature of the curve r(t)= (\cos t) i + (\sin t) j +t k at t= \pi. Among these households, 50,000 have traditional landline telephones while the remaining 75,000 only use cellular and / or VOIP tele... 1. Elise selects 3 of the movies at random to bring to a sleep-over at her friend's house. Find the sum of the series for those value of x. These include: a. your memory for elements of the problem b. your insight into the problem c. your level of expertise d. all of t... A study looked at employee behavior, namely absenteeism, promptness to work, and turnover. Find the five roots of the equation (x + 1)^5 = 32x^5. 2.24% B. What is the flow rate in dro... Find the exact sum of the series, if possible. How many of the animals were cows? If so, prove it; if not, prove that it fails to satisfy one or more of the axioms. d. Interpersonal. Sum of ((x - 6)^(2n))/(36^n) from n = 0 to infinity. How many visits does her site get... Rewrite improper fraction as a mixed number. You must develop next month's advertising budget for your company. Which of the following equations could possibly be a formula for the graph? Ten cars are randomly chosen to be displayed in front of the dealers. What is the mass percent of carbon in oxalic acid, H2C2O4? Suppose A and B are nonempty subset of real R that are bounded by above. Integral of (du)/(u*sqrt(5 - u^2)). Solve the following initial-value problem. To better understand the epidemiology and clinical outcomes of diabetes mellitus, an investigator screens the workforce of 1500 adult employees at a large retail business. Free Basic Math Practice Test – (2020) Includes Answer Key and Step-by-Step Solution! a) You decide to charge 24 dollars per ticket. The price of 1 lb of potatoes is $1.75. Evaluate the expression ((-1)^2 + 11^2)(11^2 - {(-7)}^2). No. a^2z(t - a)\left(\dfrac{1}{z} + \dfrac{1}{a} \right). Plot at least three points for the curve. integral_1^4 x / 32 dx. Find dy/du, du/dx, and dy/dx when y and u are defined as follows. Evaluate the area of the region bounded by the curves y = x/2 and y = 3x -x^2. Inside the sphere x^2 + y^2 + z^2 = 16 and outside the cylinder x^2 + y^2 = 1. The study found that 50% of the employees had problems with absenteeism, also, 30% had problems with turno... Express the sum in sigma notation. Convert 690 mg/cl to kg/L, using dimensional analysis. b. What is the probability that you will lose this game? In a survey, 168 respondents say that they never use a credit card, 1230 say that they use it sometimes, and 2831 say that they use it frequently. What is the number? Estimate the probability that a randomly selected member earns at least $98,000. When she delivers, her weight immediately decreases by the approximate weight of the child. Find the radius of convergence of the following power series. (Round your answer to three decimal places.) ), The given curve y = f(x) = -(x^2) + 2x + 3 is a parabola. Find PD if the coordinate of P is (-7) and the coordinate of D is (-1). Evaluate the following integral. Five hundred employees were selected from Iraq's large private companies, and they were asked whether or not they have any retirement benefits provided by their companies. Find the probability that a single randomly sele... A device consists of 7 independently functioning elements. The number with the most significant zeros is: a) 0.00002510. b) 0.02500001. c) 250000001 d) 2.501 x 10-7 e) 2.5100000. A) 5. Find the following probabilities. Calculate the producers' surplus for the supply equation p = 7 + 2q^{1/3} at the indicated unit price p = 18, Determine whether the series \sum k \left ( {10}{11} \right )^k , where k = 1 is absolutely convergent, conditionally convergent, or divergent. 480 c. 5A + 10B = 200, Find the curvature for r(t) = \langle 4\cos t, t, 4\sin t \rangle. Calculate the percentage of sand and salt in a mixture, if there are 30.5 g of sand and 12.6 g of Nacl in the sample. How was Mayan mathematics different from math today? What are some examples of Godel's incompleteness theorem in biological systems? Which of the following is NOT a valid reason to pick a fourth-order polynomial over a third-order polynomial? \int (2x^5 - 3x + 4) dx \\ \int (2x^5 - 3x + 4) dx = \boxed{\space}, Simplify the expression d d x x 3 5 d p p 2, Find the indefinite integral. B) Find the Taylor polynomial of order 3 generated by f at a. f(x) = 1/(x + 9), a = 0. Evaluate the sum: sum_{i=1}^{16} (5i -4). Natural numbers, Evaluate the expression. (b) At what x value is f(x) closest to the origin? Find c such that P(F c) = 0.1. (b) Find the area of the region R. How many moles of mercury are in 14.860 grams of mercury? Sum of ((x - 6)^n)/(factorial of (2n)) from n = 1 to infinity. f(x)=xe^(1/x) Graph the function.
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