The measure would be 20 since five times four is 20
Answer:
x=-2
Step-by-step explanation:
Let m=x
Expand the parentheses:
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N - the number
14 + n = 17 |subtract 14 from both sides
n = 3
Answer:
30 mph
Step-by-step explanation:
The average speed = Total distance / Total Time
Distance at 45 m/hr.
t = 20 minutes = 20/60 = 1/3 hour.
r = rate = 45 miles / hour
d = r * t
d = 45 * 1/3 = 15 miles.
Average Speed going home.
t = 30 minutes
t = 30 min / 60 min // hour = 1/2 hours
r = 15 miles / 1/2 = 15 * 2 = 30 miles / hr.
Answer:
4
Step-by-step explanation:
16 = 5 * 4 - 4
5 times 4 = 20 minus 4 = 16
