Pierre’s parents ordered some pizza for a party. 4.5 pizzas were eaten at the party. there were at least 51/2 whole pizzas left over. how many pizzas did pierre’s parents order ?

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,