Assignments provided in the picture.Thanks 1. During the writing and compiling of a program, what two steps must be taken tomake use of a library?2. Answer the following question.6. The following formula can be used to describe the dimensions of a loading ramp:hsin(0) =7where e is the incline angle of the ramp, h is the height of the ramp, and I is thelength of the ramp. Write a program that calculates the needed length of a rampgiven a desired incline and height. For example, given an incline of 9.5 degreesand a height of 0.5 m, a ramp needs to be 3.03 m in length. The program shouldprompt the user for the needed values and calculate and report the requiredlength. The program should make use of the math library for the sin() function,and should use the macro M_PI for the value of z to convert degrees to radians(radians = degrees × ).3. What is the primary goal in using a scripting language for programming work?4.Write a shell program that counts the number of files in a given directory. Thedirectory should be specified as a command line argument. The program doesnot need to count files recursively in subdirectories; instead, it should not countsubdirectories at all.

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Answered: 1. During the writing and compiling of…

Engineering

Computer Science

1. During the writing and compiling of a program, what two steps must be taken to make use of a library?

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter2: Problem Solving Using C++using

Section2.6: A Case Study: Radar Speed Traps

Problem 7E: (Thermodynamics) a. Design, write, compile, and run a program that determines the work,W, performed...

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PYTHON (Uee While Loop) only Write a python program that calculates the populations of foxes and rabbits who live within a certain area of land, as that number changes from year to year. It will take the initial populations as inputs, and then proceed to calculate the year-by-year changes. The following is derived from the “Lotka-Volterra equations”, which you may look up if you desire. Essentially, we will model the foxes and rabbits with 4 constants, and 2 data structures of year-by-year values. They are defined as follows: r[y] # of rabbits in year y f[y] # of foxes in year y α or alpha - birth rate of rabbits β or beta - death rate of rabbits, dependent on # of foxes γ or gamma - birth rate of foxes, dependent on # of rabbits δ or delta - death rate of foxes, caused naturally The formulas we will use are: r[y]=r[y−1]+(r[y−1]×α)−(r[y−1]×f[y−1]×β)r[y]=r[y−1]+(r[y−1]×α)−(r[y−1]×f[y−1]×β) f[y]=f[y−1]+(f[y−1]×r[y−1]×γ)−(f[y−1]×δ)f[y]=f[y−1]+(f[y−1]×r[y−1]×γ)−(f[y−1]×δ) However,…
[PYTHON LANGUAGE] You are planning an outing with some friends and need to calculate the total price of the tickets. A regular ticket usually costs $3.99 and a stu- dent ticket costs only $2.99. If the total number of tickets being ordered (including both students and regular tickets) is at least 10, then a 10% discount is applied to the order. However, if it is a holiday, then the at-least-ten group discount is only 5% (not 10%). Write a program that takes three lines of input: the number of reg- ular tickets, the number of student tickets, and an integer indicating whether it is a holiday (1) or not (0). It prints a float giving the total cost. Be sure to define and use constants for REGULAR TICKET PRICE and STUDENT TICKET PRICE. Write your program in a file named tickets.py.
Problem 3: Programming 1. Write a program that simulates the rolling of two dice. • Call the program, "dice.cpp". • The program should call rand to roll the first die, and should call rand again to roll the second die. • The sum of the two values should then be calculated. [Note: Each die has an integer value from 1 to 6, so the sum of the two values will vary from 2 to 12, with 7 being the most frequent sum and 2 and 12 being the least frequent sums.] • There 36 possible combinations of the two dice. • Your program should roll the two dice 360,000 times. Use a one-dimensional std:array to tally the numbers of times each sum appears. Print the results in a tabular format. Follow the sample output exactly. Also, determine if the totals are reasonable (i.e., there are six ways to roll a 7, so approximately one sixth of all the rolls should be 7). • Use the at member function of the array class to access the elements of the array. • Be sure to use constant variables for the dimension of…
(Statistical) In many statistical analysis programs, data values considerably outside the range of the majority of values are simply dropped from consideration. Using this information, write a C++ program that accepts up to 10 floating-point values from a user and determines and displays the average and standard deviation of the input values. All values more than four standard deviations away from the computed average are to be displayed and dropped from any further calculation, and a new average and standard deviation should be computed and displayed.
(Thermodynamics) a. Design, write, compile, and run a program that determines the work,W, performed by a piston engine providing a force of 1000 N over a distance of 15 centimeters. The following formula is used to determine the work performed: W=Fd F is the force provided by the piston in Newtons. d is the distance the piston moves in meters. b. Manually check the values computed by your program. After verifying that your program is working correctly, modify it to determine the work performed by six pistons, each providing a force of 1500 N over a distance of 20 centimeters.
(Electrical eng.) a. The voltage gain of an amplifier is given by this formula: voltagegain=[275 23 2 +0.5 f 2 ]n f is the frequency in Hz. n is the number of stages in the amplifier. Using this formula, write, compile, and run a C++ program to determine the value of the voltage gain for a four-stage amplifier operating at a frequency of 120 Hz. Your program should produce the following display: At a frequency of xxxxx hertz, the voltage gain is yyyyy Your program should replace xxxxx with the frequency and yyyyy with the voltage gain. b. Manually check the value your program produces. After verifying that your program is working correctly, modify it to determine the voltage gain of a 12-stage amplifier operating at a frequency of 9500 Hz.
(Modify) a. Modify the program you wrote for Exercise 7 to provide the mass of a person as an output, given his or her weight as an input to the program. Use your program to determine the mass of a person who weighs 140 lbf on Earth. b. Modify the program written for Exercise 7a to also output the person’s weight on Mars and the moon. The pull of gravity on Mars is 12.54ft/sec2=3.728m/s2,andonthemoonis5.33ft/sec2=1.625m/s2.
(Data processing) Your professor has asked you to write a C++ program that determines grades at the end of the semester. For each student, identified by an integer number between 1 and 60, four exam grades must be kept, and two final grade averages must be computed. The first grade average is simply the average of all four grades. The second grade average is computed by weighting the four grades as follows: The first grade gets a weight of 0.2, the second grade gets a weight of 0.3, the third grade gets a weight of 0.3, and the fourth grade gets a weight of 0.2. That is, the final grade is computed as follows: 0.2grade1+0.3grade2+0.3grade3+0.2grade4 Using this information, construct a 60-by-7 two-dimensional array, in which the first column is used for the student number, the next four columns for the grades, and the last two columns for the computed final grades. The program’s output should be a display of the data in the completed array. For testing purposes, the professor has provided the following data:
python code Problem 7 Define a function named z and have it take 3 arguments: score , mu (sample mean) , sigma (standard deviation).. Return the calculated z-score. Use your z function on this data to show it works: You have a test score of 190. The test has a mean (μ) of 150 and a standard deviation (σ) of 25. Now define a function named std_error and have it take 2 arguments: sigma (standard deviation) , and n. Return the calculated standard error Use your std_error function (you can assume a sample size of 10) Print the answer rounded to the 2nd decimal place. (you can look up these formulas online)
USE PYTHON Source: en.wikipedia.org/wiki/Camel_case In some languages, it’s common to use camel caseLinks to an external site. (otherwise known as “mixed case”) for variables’ names when those names comprise multiple words, whereby the first letter of the first word is lowercase but the first letter of each subsequent word is uppercase. For instance, whereas a variable for a user’s name might be called name, a variable for a user’s first name might be called firstName, and a variable for a user’s preferred first name (e.g., nickname) might be called preferredFirstName. Python, by contrast, recommendsLinks to an external site. snake caseLinks to an external site., whereby words are instead separated by underscores (_), with all letters in lowercase. For instance, those same variables would be called name, first_name, and preferred_first_name, respectively, in Python. In a file called camel.py, implement a program that prompts the user for the name of a variable in camel case and outputs…
Python programming only (PLEASE INCLUDE INPUT VALIDATION IF NEEDED) a province gathers local charges on the evaluation worth of the property, which is 60% of the property's real worth. For instance, assuming that a section of land of land is esteemed at $10,000, itsevaluation esteem is $6,000. The local charge is then 72¢ for each $100 of the appraisal value.The expense for the section of land evaluated at $6,000 will be $43.20. Write a program that asks for theactual value of a piece of property and displays the assessment value and property tax.
######## in python ######## Write a function that gives the approximate answer for these equations xy = z2 + 1 xyz + y2 = x2 + 2 ex + z = ey + 3 The function will keep running until the value of the equations is less than 10-6 The code will print to the screen the solution in each iteration and the norm of the function values