If f(x)=6x-A/x-5 and f(-5)=0, what is the value of A?
1 answer:
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Answer: 3.6cm
Step-by-step explanation:

Using the volume formula; solve for a;
![a^2=\frac{V}{h}\\ a=\sqrt[]{\frac{V}{h} }](https://tex.z-dn.net/?f=a%5E2%3D%5Cfrac%7BV%7D%7Bh%7D%5C%5C%20a%3D%5Csqrt%5B%5D%7B%5Cfrac%7BV%7D%7Bh%7D%20%7D)
![a=\sqrt[]{\frac{104cm^3}{8cm} }](https://tex.z-dn.net/?f=a%3D%5Csqrt%5B%5D%7B%5Cfrac%7B104cm%5E3%7D%7B8cm%7D%20%7D)
![a=\sqrt[]{13cm^2}](https://tex.z-dn.net/?f=a%3D%5Csqrt%5B%5D%7B13cm%5E2%7D)

Step-by-step explanation:

115 hours of sleep. (Says siri)
(-2,infinite]
negative two and the infinite symbol