(3x + 5)° + (10x - 7)° = 180°
13x + (-2) = 180
13x = 180 + 2
13x = 182
x = 14
∠QRT = 3 * 14 + 5 = 42 + 5 = 47°
∠TRS = 10 * 14 - 7 = 140 - 7 = 133°
The Answer is x=15. Good luck!
What are you supposed to be doing
Answer:
a < 14
Step-by-step explanation:
a - 4 < 10
isolate the variable
a < 14
Answer:
33%
Step-by-step explanation:
311-208=103 ponds lost
103/311=33%