Answer:
(3x^2+ 2x+ 1) - (x^2- 3x+ 4)
Correct Simplification:
3x^2+ 2x +1 - x^2 + 3x - 4
2x^2 + 5x - 3
Ans C
He did not multiply the - for -3x
Hope it helps you.
Answer:
2.1
Step-by-step explanation:
By the Law of Cosines,
a² = 5² + 6² - 2(5)(6)cos(20°)
a = sqrt(5² + 6² - 2(5)(6)cos(20°)), which is about 2.1
The answer to the question is B.
Answer:
four hundred and forty two
Answer:
V = 1815 pi units ^3
Step-by-step explanation:
The volume of a cylinder is given by
V = pi r^2 h
V = pi ( 11)^2 * 15
V = 1815 pi