Answer:
The pitch (slope) of the roof is
or
Step-by-step explanation:
we know that
The formula to calculate the slope is equal to
where
-----> is the vertical distance (rise)
-----> is the horizontal distance (run)
therefore
convert to percentage
Answer:
Multiplying or dividing both sides by a negative number changes the direction of an inequality. So we cannot multiply or divide both sides by a variable unless we know that the variable is either always positive or always negative. This is not a concern when solving equalities.
When applying a decreasing function to both sides of an inequality, the direction of the inequality changes.
Swapping both sides of an inequality also changes the direction of an inequality. Again we don't have to worry about this with equalities.
Answer is 0.05. 2 people told me they were going to give me brainlest but didn’t so please give me brainlest
<h2>
The product of the rational expressions
= ![\dfrac{7x^2}{x^2+3x-28}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%5E2%7D%7Bx%5E2%2B3x-28%7D)
</h2>
Step-by-step explanation:
We have,
![\dfrac{7x}{x-4}.\dfrac{x}{x+7}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%7D%7Bx-4%7D.%5Cdfrac%7Bx%7D%7Bx%2B7%7D)
To find, the product of the rational expressions
= ?
∴ ![\dfrac{7x}{x-4}.\dfrac{x}{x+7}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%7D%7Bx-4%7D.%5Cdfrac%7Bx%7D%7Bx%2B7%7D)
= ![\dfrac{7x.x}{(x-4)(x+7)}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x.x%7D%7B%28x-4%29%28x%2B7%29%7D)
= ![\dfrac{7x^2}{(x(x+7)-4(x+7)}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%5E2%7D%7B%28x%28x%2B7%29-4%28x%2B7%29%7D)
= ![\dfrac{7x^2}{x^2+7x-4x-28}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%5E2%7D%7Bx%5E2%2B7x-4x-28%7D)
= ![\dfrac{7x^2}{x^2+3x-28}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%5E2%7D%7Bx%5E2%2B3x-28%7D)
Thus, the product of the rational expressions
= ![\dfrac{7x^2}{x^2+3x-28}](https://tex.z-dn.net/?f=%5Cdfrac%7B7x%5E2%7D%7Bx%5E2%2B3x-28%7D)