Answer:
4 mi/h
Step-by-step explanation:
The distance between the cyclists is the hypotenuse of an isosceles right triangle. The hypotenuse is √2 times the length of the legs in such a triangle, so each cyclist must have ridden 8 miles in 2 hours.
Their speed is (8 mi)/(2 h) = 4 mi/h.
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<em>Additional comment</em>
Consider an isosceles right triangle with leg lengths 1. Then the Pythagorean theorem tells us the length of the hypotenuse is ...
c² = a² +b² . . . square of hypotenuse is sum of squares of legs
c² = 1² +1² . . . . both legs are 1 in our example triangle
c² = 2
c = √2
That is, the hypotenuse is √2 times the leg length.
Y=-x²+5x
Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
Answer:
The answer should be <u>8-12x......if i take a wild guess out of your answer choices, would say C. </u>
Step-by-step explanation:
<u>-4 (-2+3x)</u>
<em>[carry over the -4 to (-2) and (3x) ]</em>
<u>8-12x</u>
<u />
Answer:
x=15 +-
/2
Step-by-step explanation:
