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Alenkasestr [34]
3 years ago
10

Prove that if every two of them have a vertex in common, then "they all have a vertex in common"

Mathematics
1 answer:
USPshnik [31]3 years ago
6 0
Adjacent angles.............
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M^ 2 + m − 90 factorize
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Answer:

(m+10)(m-9)

Step-by-step explanation:

To factor this equation we want to find two numbers that multiply to -90 but also add/subtract to 1.

Those two numbers are 10 and -9 (10×-9=-90, 10-9=1)

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{(2, 3), (–2, 3), (3, 2), (–3, –2)}

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Functions can't have any repeating x-coordinates.

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4 years ago
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The answer is -52 so it would be C
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3 years ago
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So I have another math question that involves the same problem and so is 7 + 7x the same as 7x+ 7 i think it is but i'm not sure
BartSMP [9]

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it is

Step-by-step explanation:

because it addition it doesn't matter which way you put it

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