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Leno4ka [110]
3 years ago
10

The length of a rectangle is 3 meters more than the width.the perimeter of the rectangle is 26 meters.if the width is b,which eq

uation represents the situation?how many solutions will this equation have?
Mathematics
2 answers:
Vesna [10]3 years ago
8 0

Answer:

the length=8 and width=5

Step-by-step explanation:

WITCHER [35]3 years ago
7 0
One solution, the length=8 and width=5

Work:

2 x Length + 2 x Width= Perimeter

2(b+3) + 2(b) = 26

2b+6 + 2b = 26

4b + 6 = 26

4b = 20

b = 5

Length= (5)+3= 8
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Step-by-step explanation:

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Help with num 9 please. thanks​
Alik [6]

Answer:

See Below.

Step-by-step explanation:

We want to show that the function:

f(x) = e^x - e^{-x}

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So, find the derivative of our function:

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Differentiate:

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