Answer:
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The area of a square is the square of one of its side, therefore, based on the Pythagorean theorem, the statement that is true is: the area of region Z is equal to 289 in².
<h3>What is the Pythagorean Theorem?</h3>
The Pythagorean theorem states that the square of a the hypotenuse of a right triangle equals the sum of the squares of the other two legs of the right triangle.
Thus:
The side of square is the hypotenuse of the right triangle formed.
We are also given that the combined area of region x and region y equals 289 in².
Since, the area of a square is the square of one of its side, therefore, based on the Pythagorean theorem, the statement that is true is: the area of region Z is equal to 289 in².
Learn more about Pythagorean theorem on:
brainly.com/question/21332040
The probability that none of them has lost electricity in his/her household is 64.7%.
<h3>Probability</h3>
Given:
Electricity wiped =P=7%
Team members= n=6 members
Hence;
P(x = 0) = (6C0)(0.07^0)(1-0.07)^6
P(x = 0)= (1)(1)(0.93)^6
P(x = 0)=0.6469×100
P(x = 0)=64.7%
Therefore the probability that none of them has lost electricity in his/her household is 64.7%.
Learn more about probability here:brainly.com/question/13699593
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Hi, = P(x = 0) = (6C0)(0.05^0)(1-0.05)^6 = (1)(1)(0.95)^6 = 0.735 Edited by abozer on ...