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Solve:


(π‘₯ βˆ’ 2𝑠𝑖𝑛𝑦 + 3)𝑑π‘₯ + (2π‘₯ βˆ’ 4𝑠𝑖𝑛𝑦 βˆ’ 3)π‘π‘œπ‘ π‘¦π‘‘π‘¦ = 0

You are required to build an application for charity organization. Your application will keep track of the items given out as charity. The items are donated by people and your application will keep track of each donation in persistence store. CharityItem: description (String), quantity (int), estimatedAmount (double), donor name (String), Donor contact (String) You are also required to do some exception programming/handling. If a charity with a value greater than 2 lacs is donated, then you will raise the ShowOffCharityException. You will have to create an exception class for this and the exception will be raised from the constructor of the CharityItem class under the said condition. You will also write code at other places wherever required to deal with this exception. Please note that you will make your ShowOffCharityException as a checked exception.Β 


(1 + π‘₯^2) (xdy+ydx) =-2yx^2

A 1996 bill reforming the federal government’s anti-

poverty programs limited many welfare recipients to


only two years of benefits.

a. How does this change affect the incentives for

working?

b. How might this change represent a trade-off

between equality and efficiency?


The first line will contain a message prompt to input the integer.

The second line contains "Positive" if the integer is positive, or "Negative" if it isn't.

EnterΒ·n:Β·-12
Negative

Provide another sub class ProfessionalCertification that extends Certification. This class no additional data member. o It overrides the calculateFee method so that the total cost is returned as the product of hours and cost per hour plus 15% tax of the total hours cost. o Also the ProfessionalCertification implements the Extendible Interface. You will also have to provide the implementation of method extend(int duration). For this you need to add the duration to the training hours of the certification ο‚· The correctness of your code will be checked against a main program that will be provided along with the expected output


A 1996 bill reforming the federal government’s anti-

poverty programs limited many welfare recipients to


only two years of benefits.

a. How does this change affect the incentives for

working?

b. How might this change represent a trade-off

between equality and efficiency?


Q. No. 02 Consider the following class Certification with following data members Id (int), name (String) , hours(int), level (String), costPerHr (double) Implementation of this class is provided on moellim. You are required to do the following ο‚· Provide a class StudentCertification that extends Certification . This class has an additional data member rebate (double) o Override the calculateFee method so that the total cost is calculated by getting the total for the training hours @costPerHr and applying the rebate (%). E.g. if the costPerHr is 200 and 50 hours training and 0.2 rebate then the calculateFee should return 10000 – 0.2 *10000 = 8000 ο‚·


𝑦′ βˆ’ 𝑦 = 𝑒2π‘₯𝑦3


A recycling program provides a machine that accepts glass and plastic bottles and gives recyclers coupons that can be redeemed inside the store where the machine is located. The machine is used less than the recycling program organizers had hoped. How would an economist explain this?

Group of answer choices



Despite the posted notice, people do not trust that the coupons will, in fact, be accepted in the store, at their face value, the same as cash.


Although the machine performs an automated exchange of one thing for another, it is not really an economic transaction, and therefore people are reluctant to participate.


The time required to use the machine and the requirement that the coupons be redeemed at that store together add up to too high an opportunity cost.


People understand the benefits of recycling glass and plastic bottles.


People like recycling glass and plastic bottles.


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