I believe the answer is 1 because the line is negative and has a slope of 1/2 so -1/2 and it crosses at 8
6 + y × 9 (the x is a times sign btw)
Hello,
12x^4+39x^3+9x²=x²(12x²+39x+9)=x²(12x²+36x+3x+9)=x²(4x(3x+9)+(3x+9))
=x²(3x+9)(4x+1)
=3x²(x+3)(4x+1)
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➷ Just work with what is inside the parenthesis
Also, move around the terms to help it make more sense:
(cosA cosB - cosA cosB + sinA sinB + sinA sinB)
As you can see, the 'cosA cosB' would cancel out through subtraction.
Now we have this:
(sinA sinB + sinA sinB)
This is just two sets of sinA sinB so it can be written as:
(2 * sinA sinB)
Simply place the values outside the parenthesis back there to get the answer
SinA sinB = 1/2 * (2 * sinA sinB)
<h3><u>✽</u></h3>
➶ Hope This Helps You!
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Answer:
2/3s of 18 is 12, 18-12=6
Step-by-step explanation:
