Choose the fraction equivalent to 1? a)1/1, b)1/2,c)1/3,d)2/4
1 answer:
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The mean weight of the packages is 2.5, so the total weight of the packages is found by multiplying 2.5 pounds by 4 which is equal to 10 pounds. That is the tial weight of the four books. To find the weight of the fourth book, the three other weights are subtracted from 10 pounds:
1. Let x be a length of square side, then the square perimeter is 4x (you need to cut 4x from 16 in. to make a square with side x in.). Then 16-4x is remained length of wire and you have to make form this piece a rectangle with sides one of which is twice bigger than another. If y is length of the smaller side, then 2y is length of the bigger side and rectangle perimeter is y+2y+y+2y=6y. You have 16-4x in. of wire left, so 6y=16-4x and 
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2.
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3. Find the derivative of the function A(x):
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4. Solve the equation A'(x)=0:
5. Since you have
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Answer: <span>the width of the rectangle is
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2.
3. Find the derivative of the function A(x):
4. Solve the equation A'(x)=0:
5. Since
Answer: <span>the width of the rectangle is