Answer:
x = 16.
Step-by-step explanation:
The 3 angles sum to 180 degrees so:
x + 19 + 6x - 7 + 56 = 180
7x + 68 = 180
7x = 112
x = 112/7 = 16.
Answer:
8.5
Step-by-step explanation:
8.5 is the coefficient in front of x
Answer:
-1/3
Step-by-step explanation:
Answer: 14 turkeys and a cat
Step-by-step explanation: Getting 32 feet from 15 heads shows that an animal has more than 2 feet. If the 15 heads all belonged to turkeys, we'd have 30 feet (which is 2 short of what was observed). Reducing the number of turkey by 1 and adding a cat balances the number of observed feet. That is, 14 turkeys (with a total of 28 feet) and a cat (with 4 feet). Adding, we have 28+4=32