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ashleybarrera2000
03.05.2020 •
Mathematics
How many pounds of metal containing 20% nickel must be combined with 6 pounds of a metal containing 80% of nickel to form an alloy containing 60% nickel?
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Ответ:
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Step-by-step explanation:
Ответ:
Answer and explanation:
Given :![f(x)=y=\frac{3x}{8+x}](/tpl/images/1301/9757/e7956.png)
To find : Arrange the equations in the correct sequence to find the inverse of f(x) ?
Solution :
Writing step by step to find inverse,
Step 1 - Interchange y with x,
Step 2 - Cross multiply,
Step 3 - Apply distributive property,
Step 4 - Take y term one side,
Step - 5 Take y common,
Step 6 - Take x term together,
or![y=f^{-1}(x)=\frac{8x}{3-x}](/tpl/images/1301/9757/734a4.png)