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satela [25.4K]
3 years ago
6

Linear combination 3x+2y=-4 4x-y=13 Please give a step by step explanation

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
8 0

when you have a linear combination for example 3x + 2y equals negative 4 you adieu like terms and then multiply

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Answer:

The total surface area of this square pyramid is 297\ mm^{2}

Step-by-step explanation:

we know that

The surface area of a square pyramid is equal to

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we have

b=9\ mm ----> the length side of the square base

h=12\ mm ----> the height of the triangular faces

substitute the values

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