Answer:
2x^2-2x+9
Step-by-step explanation:
Answer:
18.50 times 3 equals 55.5, the answer is 55.50
Answer:
The answer is provided at the attachment
Step-by-step explanation:
The answer is provided at the attachment
Hope this helps
The cosine of angle X is

By the Pythagorean theorem, we have

Then

Multiplying numerator and denominator by 2, we get
.