2 years ago

The sum of four times a number and eight is between 0 and 12

Mathematics

1 answer:

Alex2 years ago

5 0

1

treat 1 as x.
4x +8 = 12

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Isnt it just 75 degrees?

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Answer:

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2 years ago

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MrRa [10]

Answer:

x = 3

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$\\4x^2-2x=30\\\\x=3\\4(3)^2-2(3)=30\\4(9) - 6 =30\\36 - 6 = 30\\30 = 30 \\\\x=4\\4(4)^2-2(4)=30\\4(16) - 8 =30\\64 - 8 = 30\\56\neq 30$

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Step-by-step explanation:

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zlopas [31]

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1. acute

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