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melamori03 [73]
3 years ago
8

The temperature in noon was 6 degrees. It dropped 1.2 degrees each hour for the next 12 hours. What was the temperature at midni

ght?
Mathematics
1 answer:
Kruka [31]3 years ago
6 0

Answer:

-8.4

Step-by-step explanation:

1.2 x 12 = 14.4

6 / 14.4 = -8.4

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Step-by-step explanation:

we are given a quadratic function

\displaystyle f(x) =  - 5 {x}^{2}  + 30x - 200

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\displaystyle x _{ \rm  min} =  \frac{ - b}{2a}

the given function is in the standard form i.e

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\displaystyle x _{ \rm  min} =  \frac{ - 30}{2. - 5}

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