B. 20x and .8x because they have the same variable
The elapsed time is B, 2 hours and 25 minutes.
Answer:
Z (0.10) = 1.282 (the Z-score which has 0.10 to the right, and 0.4000 between 0 and it). As a shorthand notation, the () are usually dropped, and the probability written as a subscript.
Step-by-step explanation:
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Answer:
x > 4
Step-by-step explanation:
Because x is greater than 4
Answer:
The approximate length of the diagonal walkway is 21.21 meters
Step-by-step explanation:
we know that
Applying the Pythagorean Theorem in the square park, find out the the approximate length of the diagonal walkway
so

where
c is the diagonal of the square
a and b are the length sides of the square
we have

substitute

therefore
The approximate length of the diagonal walkway is 21.21 meters