Please Simplify 5(x - 6)
2 answers:
Final Answer:
Steps/Reasons:
Question: Simplify
<u>Step 1</u>: Expand by distributing the terms.
×
<u>Step 2</u>: Simplify ×
to
.
~I hope I helped you :)~
Our equation looks like:
This means that we will need to distribute. This means that we need to multiply everything inside the parenthesis by the number outside of the parenthesis. (<em>Note: you only distribute when variables are involved.)</em>
Simplify:
We cannot simplify any further, so we know that our equation, until we know what x equals, is .
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Answer:
48
Step-by-step explanation:
You will be using the Pythagorean theorem for this problem. assuming the bigger triangle is double the size of the smaller triangle on the right, we would first plug in the numbers for the smaller triangle: which would come out to 21.7. then we could say that since like i said before the bigger triangle is double the other one, the bottom side of the triangle would be 32 (16 + 16) and would use the pythagorean theorem again, giving us our answer.
Using the Pythagorean identity, the value of the cosine ratio is
The given parameter is:
By the Pythagorean identity, we have:
So, we have:
This gives
Evaluate
Take LCM
This gives
Take the square root of both sides
Cosine is positive in the fourth quadrant.
So, we have:
Hence, the cosine value is
Read more about Pythagorean identity at:
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