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PLEASE ANSWER THIS SERIOUSLY WILLING TO GIVE LOAD
Tell whether each situation involves a direct or an inverse variation.
1.) The relationship between the perimeter and the side of a regular pentagon

2.) The relationship between the base and the height of a parallelogram when its area is constant

3.) The cost of a purchased item to the number of items bought

4.) The rate of a car to the time spent in traveling with constant distance

5.) The time spent to the number of men working in a certain project


Sagot :

Answer:For direct variation, use the equation y = kx, where k is the constant of proportionality. For inverse variation, use the equation y = k/x, again, with k as the constant of proportionality. Remember that these problems might use the word 'proportion' instead of 'variation,' but it means the same thing.

Step-by-step explanation: