Richard and Jordan went to see a movie. Richard spent m dollars at the movie theater, and Jordan spent $12 at the movie theater.
1 answer:
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For this case we have that by definition, the Pythagorean theorem states that:
Where:
a, b: Are the legs
c: It is the hypotenuse
According to the figure we have to:
Substituting in the formula we have:
Answer:
Option D
- Wrong in sign change
How?
- In commutative law the sign doesn't change whenever it is applied.
Thus