COMMON MISTAKES AND HOW TO AVOID THEM Phy X: ELECTRICITY 1. Topic Direction of flow of current. Common slips made Confusion between direction of flow of current and direction of movement of electrons Confusion in use of symbols- Is ampere written as A or amp. V=W/Q is often remembered wrongly. In questions where you have to check the resistance from the graph see what is plotted along the x and y axis. Reason why alloys are used to make elements of electric irons and heaters is not because
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The evolution of mathematics might be seen as an ever-increasing series of abstractions‚ or alternatively an expansion of subject matter. The first abstraction‚ which is shared by many animals‚[19] was probably that of numbers: the realization that a collection of two apples and a collection of two oranges (for example) have something in common‚ namely quantity of their members.Evidenced by tallies found on bone‚ in addition to recognizing how to count physical objects‚ prehistoric peoples may have
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Price) = Profit earned on each share b) Profit earned on each share * number of shares purchased = Total amount of profit 2. a) Step 1: (End of year price – beginning year price) = Loss Step 2: (Loss + annual income of $100) = Dollar Amount of Return Step 3: Dollar Amount of Return / Beginning year price = % return b) Hint: it should be a negative number 3. a) After-Tax Earnings / Outstanding Shares of Common Stock = Earnings
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One is the loneliest number For a long time growing up‚ family was (to me) only those related by blood or marriage; believing family would help one another and always be open‚ honest‚ and nurturing. Although I still believe in my ideas of family‚ my family is no longer limited by a signed piece of paper or a DNA test. Before I tell you the people I still consider my family you must know that blood related I have: my mother‚ father‚ three siblings‚ and an extended family counting upwards of 200
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Number Expanded form Exponential form Base and exponent 10000 10 × 10 × 10 × 10 104 base 10‚ exponent 4 base ‚ exponent 5 64 2 × 2 × 2 × 2 × 2 × 2 26 base 2‚ exponent 6 64 (–2) × (–2) × (–2) × (–2) × (–2) × (–2) (–2)6 base –2‚ exponent 6 –32 (–2) × (–2) × (–2) × (–2) × (–2) (–2)5 base –2‚ exponent 5 Example 1: Write the following in exponential form. a. Minus nine to the power of six b. One fourth to the power of five c. Three square to the power of five Solution:
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into a bank account or CD (certificate of deposit) is given by A=P(1+r/n)^nt A is the amount of the return. P is the principal amount initially deposited. r is the annual interest rate (expressed as a decimal). n is the number of compound periods in one year. t is the number of years. Carry all calculations to six decimal places
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Away With Numbers By INA HERNANDO-MALIPOT June 5‚ 2012‚ 6:47pm MANILA‚ Phiilippines --- With the implementation of the K to 12 Basic Education Program‚ the traditional numerical values in the report cards of students will no longer appear. Instead‚ the Department of Education (DepEd) will be using a new grading system to assess and rate learning outcomes of students in public elementary and high schools. Effective this school year‚ DepEd said parents and student will no longer see numbers in the
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University of phoenix Reflective paper page 2 This course is the first of a two-part series designed for k-8 pre-service teachers to address the conceptual framework for mathematics taught in elementary school. The focus of this course was on real numbers properties‚ patterns‚ operations and algebraic reasoning‚ and problem solving. The relationship of the course concepts to the National Council of Teachers of Mathematics Standards for k-8 instruction was also addressed. There were many concepts
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import numpy as np import scipy as sp import matplotlib.pyplot as plt import scipy.linalg as la import scipy.io as sio D = sio.loadmat("baseball_data.mat") # X represents the total number of wins per team X = D["X"].ravel() # Y represents the total payroll per team Y = D["Y"].ravel() # The number of rows of matrix A m=X.size #by sorting the value of X‚ I realized that the minimum value in X is 672 and the maximum is 956‚ so I made the plotting range for x-axis from 650 to 1000
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of process due to repetitive nature of tasks operated by individual or organization again and again. This theory is based on three fundamental assumptions which is as follows: 1. The time required for completion of task decreases as it is repeated number of times 2. The percentage of improvement decreases with corresponding increase in volume of units‚ 3. The rate of improvement is predictable over the certain time There has been increment in the process of performance in such a way that units
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