Zoe rides for 2 hours and is 12 miles from her house. After riding for 4 hours, she is 22 miles away. What is Zoe’s rate?
1 answer:
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9514 1404 393
Answer:
Step-by-step explanation:
The Pythagorean theorem tells you that the area of the square with side 'a' is the difference of the areas of the other two squares.
a² = 7² -4²
a² = 49 -16 = 33
a = √33