Answer:
- 20 + 8i
Step-by-step explanation:
Noting that i² = - 1
Given
[(6i + 9) + (4i - 5)] × 2i ← evaluate the terms inside the square bracket
= ( 6i + 9 + 4i - 5 ) × 2i
= (10i + 4) × 2i ← multiply each term in the parenthesis by 2i
= 20i² + 8i
= 20(- 1) + 8i
= - 20 + 8i
Answer:
x=4
Step-by-step explanation:
<h2>Mark as brainliest if it helps . </h2>
Since a circle measures 360 degrees, 1/360 of it would be one degree, a very "skinny" angle,so it is less than 90 degrees, (B)
Step-by-step explanation:
Log T = 11.8 + 1.5.M (with T is the amount of energy released by the earthquake, Log refers to the logarithm to the base 10)
-->T = 
≈3.458 *
Answer:
It's the last one!
Step-by-step explanation:
