The golden ratio, 4 = 1+15, satisfies the quadratic equation 2-x-1=0.2IUse this property to evaluate 2468(-1) 2463 correct to at least ten decimal places, and assign this value to the variable out.Answer: (penalty regime: 0, 0, 0, 50, 50 %)1import math2phi (1 + math.sqrt(5)) / 23phi_5 = pow(phi, 5)4out-

Method of Approach:Identify the Problem:You need to calculate a very large power of the golden ratio…

Answered: The golden ratio, 4 = 1+15, satisfies…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Please leave the fixed code and comments, thank you! 1. The following code should print out a random number between 1 and 10, why will it not function correctly? from random import randintprint (randint(10, 1)) 2. Why does the following code not return the expected value? def calcDiscountPrice(price, percentage): discount = price * percentage discountPrice = price - discount return discount 3. Why does the following code not return the expected value? def main():value = int(input("Enter number:"))tenPercent(value)print ("Ten percent is ", result)def tenPercent(num):return num * .1main()
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A company decided to give bonus of 15% to employee if they work more than or equal to 5 years. Ask user for their salary and year of service and print the net bonus amount together with their previous salary. The user need to enter following details: • their current salary ● their year of service The user will see the following details: • Their previous salary • Their new salary with bonus If the user works less than 5 years, they are going to see "No bonus for you" in their screen together with their regular salary.
P:X B son.com/products/1 PORFbaokshelf. 13. Book Club Points Serendipity Booksellers has a book dub that awards points to its customers based on the number of books purchased cach month. The points are awarded as follows: If a customer purchases O books, he or she carns O points. • If a customer purchases I book, he or she carns 5 points. • If a customer purchases 2 books, he or she camN 15 points. • If a customer purchases 3 books, he of she carns B0 points. • If a customer purchases 4 or pore books, he or she carns 60 points, Write a program that asks the User ro ater the number of books he or she has pur- chased this month then dissays the runber oi points awarded. 14. Bank Charges A bank charges S10 per month plus Exe following check fees for a commercial checking account: S.10 cach for fewer
Please note that on the last line of the code, we need to print out the 'and" with the smallest and the largest number for min and max functions in order to maximize our credit with the zyBooks lab assignment for 3.9. Code Hints: smallestnum = min(usernumbers) #The smallest number is printed out - for example 5, 10, 15 - 5 would be printed out largestnum = max(usernumbers) #The largest number is printed out - for example 5, 10, 15 - 15 would be printed out Write a program that reads a list of integers into a list as long as the integers are greater than zero, then outputs the list values and the smallest and largest integers in the list using min and max built-in functions . This code runs in zyBooks..... Ex: If the input is: 10 5 3 21 2 -6 the output is: [10, 5, 3, 21, 2] 2 and 21 user_numbers = [] user_input = int(input())while user_input > 0: user_numbers.append(user_input) user_input = int(input())print(user_numbers) ''' Complete code here.…
Please read codes which are wrote byMatlab.clear;close all;Fs = 4000; % sampling frequencyT = 1/Fs; %L = 1000; %frequency lengtht = (0:L-1)*T;y = 0.7*cos(2*pi*25+t) + 2*cos(2*pi*24*t) + cos(2*pi*120*t);NEFT = 2^nextpow2(L); %, The term circle is rounded to the nthpower of 2Y = fft(y,NFFT)/L;f = Fs/2*linspace(0.1, NFFT/2+1);plot(f,2*abs(Y(1:NFFT/2+1)))title('Unilateral amplitude spectrum)xlabel('Freq (Hz)')ylabel('|Y(f)|') Questions:A. What is the overall purpose of these code? B. Function "Close All" , "Clear” mean what? C. Key codesfft(y,NFET)/L; means what?D. Spectrum analysis is an important part of signal and system. Pleasebriefly describe the difference and relationship between FS and ftof periodic signal. E. In the above code, by what sampling frequency conditions, it candraw two or three frequency components? Please analyze the reasonand show it in MATLAB.
# Write python codes here.print("Total E-Customer:", ECustomer.count)c1 = ECustomer("James")c1.setProductDetails("TV",35000,"Air Cooler", 9000)c2 = ECustomer("Mike")c2.setProductDetails("Mobile",20000,"Headphone",1200,"Fridge", 45000)c3 = ECustomer("Sarah")c3.setProductDetails("Headphone", 1200)print("=========================")c1.printDetail()print("=========================")c2.printDetail()print("=========================")c3.printDetail()print("=========================")print("Total E-Customer:", ECustomer.count)Output:Total E-Customer: 0=========================Name: JamesProducts: TV, Air CoolerTotal cost: 44000=========================Name: MikeProducts: Mobile, Headphone, FridgeTotal cost: 66200=========================Name: SarahProducts: HeadphoneTotal cost: 1200=========================Total E-Customer: 3
Write code to determine how many different ways there are to represent n cents given an infinite supply of quarters (25 cents), dimes (1 O cents), nickels (5 cents), and pennies (1 cent).
% n = input('Please enter the value of num: \n'); a = randi([1, 3]); b = randi([-4, 0]); c = 4; d = randi([4, 100]); % or -randi([5, 100]) funcif(a) funcif(b) funcif(c) funcif(d) global w x y z function funcif(num) if %%% disp(%%%) z = %%% else if %%% if %%% disp(%%%) w = %%% else disp(%%%) x = %%% end else disp(%%%) y = %%% end end end
In python the statement random.randrange(6) will generate a psuedo-random integer between 1 and 6. True or false?
Let E = {a} and L = E*. Which of the following belongs to 24? %3D O a. À O b. (A) Oc. Ø d. (0)
Write an application that will take - 5 digit integer from user and calculate the sum of all digits of the integer. The application signature is as follows:- for integer 34567 prints 25.

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