a jug of orange juice is made by mixing 21 juice with 51 how many litres of water will be needed for 61 of juice?
1 answer:
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Answer:
Step-by-step explanation:
Data given
r = 6 in
Solution to the problem
We know that the area for a circle is given by:
We want to find at what rate is the area of the plate increasing at the instant when the radius is 6 inches. So we need to take partial derivates in both sides of the equation for the area, and if we do this we got:
Since we have all the values provided we just need to replace and we got:
Answer:
x = 6
Step-by-step explanation:
3x - 6 = 12
3x = 18
x =
x = 6