Ben said that when you divide a positive decimal by a negative decimal, the answer will be less than 0.

1 answer:

3 0

I do believe that Ben's statement is always true because of the fact that when you divide a positive by a negative, or a negative by a positive, it will always equal a negative. For the equation 5.4/-6.8 the answer is -0.79411764705. And the equation -6.8/5.4 is equal to -1.25925925926. It will always equal to less then zero, except when you divide by zero.

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Find the dimensions and maximum area of a rectangle, if it’s perimeter is 24 inches

Andru [333]

Perimeter = 24

triangle perimeter = 2W + 2L

24= 2W + 2L

12 = W + L

L= 12-W

AREA = W*L

AREA = (W)(12-W)
A = 12W-W^2

maximum occurs when you take the derivative

d/dw=12-2w = 0
w=6

after this i think we can say 6 * 6 = 36 is the maximum area.. not to sure, havent done a problem like this in a while

hope this helps

or if we know what w=6 we can find L

L = 12-w which we still get 6<span />

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