3 years ago

The temperature is 5°F. By midnight the temperature is expected to drop 15°F. What will the temperature be at midnight?

Mathematics

1 answer:

san4es73 [151]3 years ago

8 0

It will be -10 F because 15 - 5 = -10

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3 years ago

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Step-by-step explanation:

$y = - 16 {x}^{2} + 32x + 48 \\ 0 = \frac{ - 16 {x}^{2} + 32x + 48 }{ - 16} \\0 = {x}^{2} - 2x - 3 \\ 0= {x}^{2} - 3x + x - 3 \\ 0= x(x - 3) + 1(x - 3) \\0 = (x + 1)(x - 3) \\ \\ x + 1 = 0 \\ x = - 1 \\ x - 3 = 0 \\ x = 3$