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mel-nik [20]
3 years ago
14

A Celsius thermometer can be used as a physical model of a number line with 0°C representing the freezing point. Select all temp

erature pairs that include numbers that are located on opposite sides of 0°C.
–9°C and 0°C

0°C and 4.4°C

–2°C and –3 1/2°C

–8 1 2 °C and 7°C

2.3°C and –6°C
Mathematics
2 answers:
kipiarov [429]3 years ago
5 0
O*C and 4.4 C step by steo e
iVinArrow [24]3 years ago
3 0

Answer:

<h2>0°C and 4°4C</h2>

Step-by-step explanation:

tell me if i am wrong

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Please answer with explanation of how you got the answer !!
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Answer:

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Step-by-step explanation:

Since there is only one negative, this means when all the values are multiplied together the product will be negative. Just multiply all three together to get −24.

(3)(−4)(2)

(−12)(2)

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It doesn't matter which order you multiply in in this case.

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\bf h(t)=-8t^2-28t+60\implies \stackrel{h(t)}{0}=-8t^2-28t+60&#10;\\\\\\&#10;0=-2t^2-7t+15\implies 2t^2+7t-15=0\implies (2t+3)(t-5)=0&#10;\\\\\\&#10;\begin{cases}&#10;2t+3=0\implies 2t=-3\implies &t=-\frac{3}{2}\\\\&#10;t-5=0\implies &\boxed{t=5}&#10;\end{cases}

clearly the seconds cannot be a negative unit, so is not -3/2.
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Answer:

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Step-by-step explanation:

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