Final answer:
The negations of the given statements are explained and provided.
Step-by-step explanation:
The negation of the statement "If it rains then I take an umbrella" is: If it rains and I don't take an umbrella. The original statement is a conditional statement, and its negation reverses the direction of the statement while adding the word "and". This means that if it rains, then I will not take an umbrella.
The negation of the statement "If P is a square then P is a rectangle" is: If P is a square and P is not a rectangle. This means that if P is a square, then it is not a rectangle.
The negation of the statement "I vote in the election and I feel enfranchised" is: I vote in the election and I feel disenfranchised. This means that if I vote in the election, then I feel disenfranchised.
The negation of the statement "I am hungry or I eat an apple" is: I am not hungry and I don't eat an apple. This means that if I am not hungry, then I don't eat an apple.
The converse of the statement "If I form a study group then I raise my grades" is: If I raise my grades then I form a study group. This means that if I raise my grades, then I have formed a study group.
The inverse of the statement "If this triangle has two 45 degree angles then it is a right triangle" is: If this triangle does not have two 45 degree angles then it is not a right triangle. This means that if the triangle does not have two 45 degree angles, then it is not a right triangle.
The contrapositive of the statement "If I go to Paris then I visit the Eiffel Tower" is: If I don't visit the Eiffel Tower then I don't go to Paris. This means that if I don't visit the Eiffel Tower, then I don't go to Paris.