Numerade

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Suppose that the sequence $x_0, x_1, x_2...$ is defined by $x_0 = 7$, $x_1 = 6$, and $x_{k+2} = -6x_{k+1} - 8x_k$ for $k \ge 0$. Find a general formula for $x_k$. Be sure to include parentheses where necessary, e.g. to distinguish 1/(2k) from 1/2k. $x_k = 0$

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Q1(c) A diffraction grating has 560 lines per mm. Calculate the grating spacing. If the total length of the grating is 2 cm, how many lines are there? Light of wavelength 500 nm is incident on the grating with this spacing calculate the angle for 1st order diffraction.

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Endocytosis is defined as the bulk movement of materials what in the cell

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Bow Valley College students in a class of 23 are playing a game of Scrabble where wooden tiles have letters. One student gets the letters CHEMICAL. How many distinct arrangements of all her letters (they're not playing with the traditional number of letters) can be made if the first letter must be a vowel?

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1. Define national accounts concepts and how they are measured 2. Explain the three different methods of calculating national income 3. Explain the Gini coefficient, which shows the income distribution of the residents of a country 4. Discuss the limitations of using real GDP per capita as a measure of a country's standard of living. 5 . 1. Suppose people only consume 2 different goods. The following table shows the prices and quantities of each good consumed in 2021(base year) and 2022. \begin{tabular}{|l|l|l|l|l|} \hline Year & \begin{tabular}{l} Price of \\ candy \end{tabular} & \begin{tabular}{l} Quantity of \\ candy \end{tabular} & \begin{tabular}{l} Price of \\ chips \end{tabular} & \begin{tabular}{l} Quantity of \\ chips \end{tabular} \\ \hline 2021 & R7 & 40 & R10 & 75 \\ \hline 2022 & R8 & 55 & R12 & 89 \\ \hline \end{tabular} 1.1 Calculate nominal GDP in each of the two years. 1.2 Calculate Real GDP in each of the two years, using 2021 as the base year. 1.3 Please calculate the GDP deflator for 2022

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The lens with a diameter of 5 cm and a focal length of 10 cm produces an image of an object located 20 cm from the lens. The object is a Lambertian source with radiance L. Find the irradiance of the image. What will be the image irradiance if the object is located far from the lens?

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What is the cation and anion symbols that make up the compound Ag^2O

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2. Include background information about hydride reduction reactions in your own words. The background should be individually written and include relevant information. (1 point)

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Chapter 31: Assignment 1 Problem 31.4 A 1500-nF capacitor with circular parallel plates 2.0 cm in diameter is accumulating charge at the rate of 36.0 mC/s at some instant in time. Part A What will be the induced magnetic field strength 11.0 cm radially outward from the center of the plates? Express your answer with the appropriate units. $B = 7.8 \cdot 10^{-8}$ T

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1. [6 pts] Given the relation R( A, B, C, D, E, F, G, H) with the FDs: A \rightarrow C, BC \rightarrow AD, C \rightarrow BF, D \rightarrow H, and F \rightarrow AE, is \{A, G\} a key of R? Prove your answer and describe your proof strategy including all the steps you utilize in the proof.

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rafael o.