Answer:
The sum of 78 and -78 is zero.
Step-by-step explanation:
I used a calculator ;)
(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°
Answer:
20 x
Step-by-step explanation:
i hope that is it
It is $57.38 you just multiply it by 1.00 and you get $57.38.
