Answer:
$98.10
Step-by-step explanation:
150 decrease 40% =
150 × (1 - 40%) = 150 × (1 - 0.4) = 90
90 increase 9% =
90 × (1 + 9%) = 90 × (1 + 0.09) = 98.1
Answer:
Theta has a reference angle of 30° and is in Quadrant I or II
Step-by-step explanation:
Sin(theta) = ½
Basic angle: 30
Angles:
30,
180-30 = 150
Because sin is positive in quadrants 1 and 2
Answer:
The first one is -2x^2 - 21x + 4, the second one is -15 (I think, not 100% sure), the third one is 4xyz + 3yz + 5x - 4 (also not 100% on this one)
Answer:
6
Step-by-step explanation:
Don't worry about that little one, Its just 3 x 2 = 6 the one means to multiply that number once.
