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nadya68 [22]
4 years ago
8

Simplify: 12÷12(4−6) A. 2 B. -2 C. 1 D. - 0.5

Mathematics
2 answers:
ioda4 years ago
7 0
<span>12 ÷ 12(4 − 6)

Using BODMAS or PEDMAS (depending upon which part of the world you live),

</span><span>12 ÷ 12(4 − 6)

= 12 </span>÷ (12 × -2)

= 12 ÷ (-24)

= \frac{12}{-24} =  \frac{1}{-2} = - \frac{1}{2}

= -0.5

Hence, the answer is D.
Marina86 [1]4 years ago
6 0
12÷(-24)
-1/2
-0.5

hope this helps u
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Approximately 1620\; \text{quart} / \text{hour}.

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The given quantity was in the unit \displaystyle \frac{\text{pint}}{\text{minute}} while the required quantity should have the unit \displaystyle \frac{\text{quart}}{\text{hour}}. It would thus be necessary to use conversion factors of the following forms:

\begin{aligned}\frac{\text{pint}}{\text{minute}} \times \underbrace{\frac{\text{minute}}{\text{hour}} \times \frac{\text{quart}}{\text{pint}}}_{\text{conversion factors}} &= \frac{\text{quart}}{\text{hour}}  \end{aligned}.

Make use of the fact that:

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Rearrange the equation 1\; \text{pint} = 0.5\; \text{quart} to obtain the conversion factor:

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Similarly, rearrange the equation 60\; \text{minute} = 1\; \text{hour} to obtain the conversion factor:

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