The answer to (1+_÷7+4)÷8= 4/7 is -3 I believe
The Pythagorean theorem tells you
... a² + b² = c²
so
... a² = c² - b² = 16² - 9² = 256-81 = 175
... a = √175 = √(25·7)
... a = 5√7
its C michael jogs 20 miles in 10 days.
The answer is true, the inverse of f(x) IS a function !
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