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If the equation for a market demand curve is Qd = 15 – 0,2P and the equation for a market supply curve is Qs = ̶ 1 + 0,6P, the market equilibrium price and quantity are? 


Create a program that asks for the user to choose either to subtract two matrices or exit the program. If the user inputs a choice that is not among the choices given, then the program’s screen will clear and display the main menu again.


For the first menu item, the program must be able to get the number of rows and columns of the two matrices. The dimensions (row x column) of the two matrices must be of the same size before asking the user for the values of each matrices.

If the dimensions do not match, then the program will display this:




WHEN SUBTRACTING MATRICES, THE DIMENSIONS OF BOTH MATRICES MUST MATCH.

MATRIX 1 - MATRIX 2 = DIFFERENCE MATRIX. THE MATRIX DIMENSIONS ARE VARIABLE, MEANING THE USER WILL INPUT THE DIMENSIONS THEY WANT FOR THE TWO MATRICES.


Once the program gets the values of each matrix, it will display the two matrices and it’s resulting Difference Matrix:



Describe the characteristic of rainforest and alpine biome? (2 pages long, as a presentation)




Hi good day! Can you give me a non food product that doesnt exist and how to enhance it


Write a C++ program for Addition, multiplication, subtraction, division of two pointer

variable which has the address of another variable.


Two particles having charges 𝑞1 = 1.00 × 10−19𝐶 and 𝑞2 = 2.00 × 10−9𝐶 are separated by a distance 2.00m. At what point is the total electric field due to the two charges equal to zero? 


The electric field caused by a certain point charge has a magnitude of 5.0 × 103 𝑁/𝐶

at a distance 0.10m from the charge. What is the magnitude of the charge?


What is the electric field 30cm from a charge 𝑞 = 4 × 10−9𝐶?


Two charges are located on the positive x-axis of a coordinate system. Charge 𝑞1 = 2 × 10−9𝐶 is 2cm from the origin, and charge 𝑞2 = −3 × 10−9𝐶 is 4cm from the origin. What is the total force exerted by these two charges on a charge 𝑞3 = 5 × 10−9𝐶 located at the origin?


Determine the magnetic feild at the center of the semicircular piece of wire with radius 0.20 m. The current carried by the semi circular piece of wire is 150 A.


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