The width of the rectangle is 5x-4. The length of the rectangle is 5
1 answer:
Answer:
The area of the rectangle A = 25x² - 20x
Step-by-step explanation:
Given
The width of the rectangle = w = 5x - 4
The length of a rectangle = l = 5x
To determine
The area of the rectangle = ?
Using the Formula to determine the area of the rectangle
substitute w = 5x - 4 and l = 5x in the formula
Apply distributive law: a(b-c) = ab - ac
as 5x(5x) = 25x² and 4(5x) = 20x, so
Therefore, the area of the rectangle A = 25x² - 20x
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Answer:
A 99.96%
Step-by-step explanation:
The z score shows by how many standard deviations the raw score is above or below the mean. The z score is positive if the raw score is above the mean while the z score is negative if the raw score is below the mean. The z score is given by:
The probability can be gotten from the normal distribution table. Therefore from the normal table:
P(z < 3.37) = 0.9996 = 99.96%