Here's one way--- 1 half dollar, 2 quarters, 10 pennies
The boat(x) goes 1mi/hr because 4 mi and 4hr divide each by four. The rate of the river current S twice that because the time is halved so y=8mi/hr
The answer is C. 4/5 I already gave you a explanation on why in your last question
Answer:
C. c^2=a^2+b^2-2abcos(90°)
Step-by-step explanation:
This is the law of cosine.
Answer:
1
Step-by-step explanation:
Using a slope triange we can see that the rise is 1 and the run is 1 and 1/1=1
