Answer:
48
Step by step Explanation:
All you have to to is multiply the number of letters he knows (12) by the number of letters that can go in each arrangement (4).
Answer:
The solutions will contain an infinite amount of negative numbers.
Step-by-step explanation:
Given x < 0
What does this mean?
First, carefully examine the sign in the inequality. It says less (which is different from less and equal)
Then explain it's meaning.
x < 0 just means that the solutions will contain an infinite amount of negative numbers but NOT zero. This defines the correct answer.
Answer:
6x + 9
Step-by-step explanation:
- 2x² + 9 - (- 2x² - 6x) ← distribute parenthesis by - 1
= - 2x² + 9 + 2x² + 6x ← collect like terms
= 6x + 9