einstein101
18.08.2019 •
Mathematics
How to solve this inequality 4x-12 greater than or equal to 20? ?
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Ответ:
You add both sides to het 4x by itself
4x greater than or equal to 32
You divide both sides by 4 to get x by itself
Your answer is x is greater than or equal to 8
Ответ:
Add 12 to both sides.
4x > or = 32
Divide 4 on both sides.
x > or = 8
Ответ:
36.50 in
Step-by-step explanation:
The length of the diagonal of the square base is found using the Pythagorean Theorem: d^2 = (12 in)^2 + (12 in)^2, or d = √2*(12 in), or d = 12√2 in.
We use the Pythagorean Theorem again to find the length of the interior diagonal of the box:
[12√2 in]² + [(12 in)² + (30 in)² = (interior diagonal)²
This works out to (interior diagonal)² = 288 + 144 + 900 inches², or
(interior diagonal)² = 1332 in²
Then the interior diagonal is √1332 in, or approximately 36.50 in.