X = 60° because the line is straight which makes it 180°. 180-120=60
Answer: i
Step-by-step explanation:
i2 = −1i3 = i2 x i = −1 x i = −ii4 = i2 x i2 = −1 x −1 = 1Hence, i233 =i4 x 58 + 1 = i232 x i1 = 1 x i = i
Answer:
the 1st pizza is the better deal
Step-by-step explanation:
Answer:
Step-by-step explanation:
<u>Find b first:</u>
- b = 3/x + 3/y
- b = (3x + 3y)/xy
<u>Find 1/b:</u>
- 1/b = 1 : (3x + 3y)/xy
- 1/b = xy / (3x + 3y)