Answer: D. a heuristic.
Step-by-step explanation: Heuristic is the use of simple mental shortcuts to solve problems and make decisions quickly and efficiently without spending a lot of time thinking about the problem and how to solve it.
In this case, Tim uses the simple trick of reminding himself that "i" comes before "e" except after "c", without spending time to actually remember or memorize the correct spelling of the word.
Answer:
30
Step-by-step explanation:
Substitute the given values for y and z into the expression
zy + 4y = (2 × 5) + (4 × 5) = 10 + 20 = 30
Answer:
D. -2 ≤ y ≤ 3
Step-by-step explanation:
This is because range is based on y-values and so the lowest y-value here is -2 and the greatest one is 3, inclusive.
1. 10x
2. 18g
3. 6m
4. 4p
5. -5y
6. 9w
7. c^2+3d
8. 3a^2+2b^2+6a
9. 3x^2+x
10. 16x-y+3
11. 68x^2-34x-1
12. 32
13. 32
14. -9
15. 3m+3n
16. 6x-6y
17. 15f+5
The answer to this subtraction is d