The number 27 is a perfect cube. 3 times 3 times 3 equals 27. find four other numbers that are perfect cubes and two numbers tha
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Answer:
Step-by-step explanation:
<u>Absolute Value Inequality</u>
Assume the actual width of a safety belt strap for a certain automobile is x. We know the ideal width of the strap is 6 cm. This means the variation from the ideal width is x-6.
Note if x is less than 6, then the variation is negative. We usually don't care about the sign of the variation, just the number. That is why we need to use the absolute value function.
The variation (unsigned) from the ideal width is:
The question requires that the variation is at most 0.45 cm. That poses the inequality:
That is the range of acceptable widths. Let's now solve the inequality.
To solve an inequality for an absolute value less than a positive number N, we write:
This is a double inequality than can be easily solved by adding 6 to all the sides.
Operating:
That is the solution in inequality form. Expressing in interval form:
The resulting equation that Kent has when he moves all the terms to one side of the equal sign is k² - 8k + 12 = 0
<h3>What is quadratic equation?</h3>A quadratic function is a function that usually has a single variable and it is raised to the power of 2. An example is x² + 10x + 25 = 0
Given this equation: k + 12/k = 8
If both sides are multiplied by k, the equation becomes: k² + 12 = 8k
If all the terms are moved to one side of the equal sign: k² - 8k + 12 = 0
Please find attached the complete question. To learn more about multiplication, please check: brainly.com/question/3385014
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