Yes ; "x = 36" , is, in fact, a solution.
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Given the equation: "x / 9 = 4" ;
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"x = 36" is a solution ; since "36 ÷ 9 = 4" ; and since x = (4)*(9) = 36.
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Is the x a multiplacation sign?
The radius of the sphere decreases at the rate of 6 m/ sec
That is, 
Surface Area of the sphere of radius r is given by 
Differentiating with respect to t,


I need points soo I can post my question an get help my self...
Answer:
2.5 gallons
Step-by-step explanation:
Make the denominators of the fractions the same and combine them


Then simplify the fraction

Then subtract how many gallons you have from how many you want

You will need 2.5 gallons to make 3 gallons