Answer:
-18
Step-by-step explanation:
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2 answers:
Answer:
The answers are as follows:
After reading and comparing the values, we get the following answer.
Number of students with blue eyes blond hair are 42.
Difference of the number of students with gray eyes and brown hair and number of students with green eyes and black hair is
Number of students with gray eyes brown hair are 5.
Difference of the number of students with green eyes and blond hair and the number of students with gray hair is because only gray hair marginal total is 35.
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The given equation is where h is the height, in feet, of a ball and t is the time, in seconds.
<u>Part a: The height of the ball when t = 2 seconds:</u>
The height of the ball above the ground 2 seconds after it is released can be determined by substituting t= 2 in the equation , we get;
Simplifying the terms, we get;
Thus, the height of the ball after 2 seconds is 100 feet.
<u>Part b: The height of the ball when t = 4 seconds:</u>
The height of the ball above the ground 4 seconds after it is released can be determined by substituting t = 4 in the equation , we get;
Simplifying the terms, we get;
Thus, the height of the ball after 4 seconds is 68 feet.