the electricity goes out in a house the temperature in the house changes by -8 F in 4 hours on average, by how many degrees is t
1 answer:
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The inverse of the equation y = x² - 4, x≤ 0 is
The equation is given as:
y = x² - 4, x≤ 0
Swap the x and y values
x = y² - 4
Add 4 to both sides
y² = x + 4
Take the square root of both sides
Hence, the inverse of the equation y = x² - 4, x≤ 0 is
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the area A of the cross section of the column is .
<u>Step-by-step explanation:</u>
Here we have , building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π, pi meters. We need to find What is the area A of the cross section of the column .Let's find out:
We know that , Circumference of circle =
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We know that area of circle =
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Therefore , the area A of the cross section of the column is .