All squares are rectangles
all squares are rhombuses
Answer:
9 mph
Step-by-step explanation:
-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

#Since t is equal in both, we can do away with t.
#We the divide the downstream equation by the upstream equation as:

Hence, the boat's speed in still water is 9 mph
Answer:
Hi There!
Step-by-step explanation:
Your Answers Are:
<h3>1: 19.3 CM</h3><h3>2: 273 CM</h3><h3>3: about 45-65 degrees</h3><h3>4: 15 CM</h3><h3>5: 25 CM</h3><h3 /><h3 />
Its hard to work w/o a ruler or a protractor, so these might be incorrect.
If this helps, though, please give me a thanks!! ^^
- abakugosimp
Answer:
3x^2+1
Step-by-step explanation: