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Oksanka [162]
3 years ago
10

Please help me with this problem

Mathematics
1 answer:
Anni [7]3 years ago
4 0
Area of a trapezoid :
\frac{1}{2}  \times (a + b)h
Where a & b are sides & h is the height

So,
\frac{1}{2}  \times (12.2 + 10.2) \times 12.6 \\  = 141.12

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denis-greek [22]
<h2>Answer:</h2>

The constraint which represent a thriving population of penguins at the zoo is:

            0 < x ≤ 10   and   0 < y ≤ 20.

<h2>Step-by-step explanation:</h2>

Let x = the number of female penguins and y = the number of male penguins.

Now, it is given that:

The group needs two times more males than females to thrive, and the zoo only has room for 10 female penguins.

This means that:

   0 < x ≤ 10

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Also,

   y= 2x

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This means that: 2x>0

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and x ≤ 10

i.e. 2x ≤ 20

i.e.  y ≤ 20

Hence, the constraints which represent a thriving population of penguins at the zoo is:

                 0 < x ≤ 10 and 0 < y ≤ 20.

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Step-by-step explanation:

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