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ratelena [41]
2 years ago
6

Cual es el valor x-2=1

Mathematics
1 answer:
IrinaVladis [17]2 years ago
7 0
Answer : 3
Work shown :
X - 2 = 1
X = 1 + 2
X = 3
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Find the length and width of a rectangle that has the given perimeter and a maximum area. Perimeter: 392 meters
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Answer:

the length is 98 meters and the width 98 meterss

Step-by-step explanation:

We have that the length is l and the width is w, we know that:

P = 2 * w + 2 * l

if we solve for it, we have:

l = P / 2 - w

Now, we know that the area is:

A = l * w

if we replace l, we are left with:

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we derive to know the maximum area and we equal 0 and we have:

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0 = P / 2 - 2 * w

w = P / 4

now for him:

l = P / 2 - P / 4

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Therefore, if we replace:

l = 392/4 = 98

w = 392/4 = 98

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