6/7 because it’s a smaller fraction with more pieces. Brainliest???
A) Yes; counterexample: Tripling 3 and adding one results in the number 10
B) No counterexample possible
C) No counterexample possible
D) No counterexample possible
E) Yes; counterexample: Squaring 7 results in the number 49
The answer is B.
I tried putting 9 for a and 7 for B. cos(9-7)+cos(9+7) = 2cos(9)cos(7)
Answer: is your first option
Step-by-step explanation:
after going over all the available equations, your first option is the only one that had results that were much more reasonable than the others. hope it helps.
