How many solutions exist for the given equation 0.75(x+40)=0.35(x+20)+(x+20)
1 answer:
Answer: Wow! That's a tough one, but x = 5 is the only possibility
Step-by-step explanation:
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a² + b² = c²
3.6² + b² = 7.4²
b² = 7.4² - 3.6² = 41.8
b = √41.8
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