Answer:
The answer would be D.
Step-by-step explanation:
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Step-by-step explanation:
By Descartes' Rule of Signs, f(x) = -3x³ + 8x² - 7x + 10 changes sign 3 times, so there are 1 or 3 positive roots.
Answer:
60°
Step-by-step explanation:
m3 = m1 = m5 = 120°
m5 + m6 = 180°
120° + m6 = 180°
m6 = 180° - 120°
= 60°
Answer:
x is a variable to fill in something that is unknown. its like a question mark
Step-by-step explanation:
8-4x=0
-4x=-8
x=2
you mean like this?