Exact form: -1/10
decimal form: -0.1
Answer:
4r + 4(r + 3) = 68
r = 7 miles per hour
r + 3 = 10 miles per hour
Step-by-step explanation:
distance = rate * time
a)
4r + 4(r + 3) = 68
Distribute
4r + 4r + 12 = 68
8r + 12 = 68
8r = 56
r = 7 miles per hour
r + 3 = 10 miles per hour
The answer is 84 because 21 times 4 equals 84
2/x-9. You must divide 2 by x first to follow the order of operations then subtract by nine.
