Answer: OPTION A.
Step-by-step explanation:
First you must calculate the lenght of the side DF by applying the Pythagorean theorem, as following:
Now you can find sin(E) as you can see below:
Where:
Then:
Answer:
up your but
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Vertical lines never have a defined slope as you can never divide a number by zero
Answer:
A) Commutative
Step-by-step explanation:
The Associative has to do with re-grouping numbers. There are only two numbers so this does not apply here. Commutative is where you change the order; that's what the equation is demonstrating.
It would be 7.45 since the -3.05 and the -9.5 together would equal -12.55 which subtracted from 20 would equal 7.45
