Answer:
see explanation
Step-by-step explanation:
If the triangle is right then the square of the longest side (hypotenuse) will equal the sum of the squares of the other 2 sides.
longest side is x² + 1, then
(x² + 1)² = + 2x² + 1
The sum of the square of the other 2 sides
(x² - 1)² + (2x)²
= - 2x² + 1 + 4x² =
+ 2x² + 1
Hence triangle is right
Answer: 20 outlets.
Step-by-step explanation:
We know that Jamal rewired 4 electrical outlets in 1 1/2 hours. This time can be rewritten as a decimal:
Then, if he works at the same pace for 7.5 hours you can calculate the number of outlets that he will rewire with:
Being "x" the number of outlets that Jamal will rewire.
Finally, you have to solve for "x":
He will rewire 20 outlets.