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Which of the following represent positive numbers?

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Which of the following represent positive numbers?  [#permalink]

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New post 26 Sep 2016, 04:58
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A
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  5% (low)

Question Stats:

88% (00:20) correct 12% (00:22) wrong based on 524 sessions

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Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III

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Re: Which of the following represent positive numbers?  [#permalink]

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New post 26 Sep 2016, 05:16
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Bunuel wrote:
Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III


I. −3 − (−5) = 2 (positive)
II. (− 3)(−5) = 15 (positive)
III. −5 − (−3) = -2 (negative)

Answer:

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Re: Which of the following represent positive numbers?  [#permalink]

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New post 26 Sep 2016, 15:28
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Bunuel wrote:
Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III



Which of the following represent positive numbers?

I. −3 − (−5)
II. (− 3)(−5)
III. −5 − (−3)

A. I only
B. II only
C. III only
D. I and II
E. II and III

Solution:

To determine which expression is positive, we analyze Roman numerals, I, II, and III.

I. −3 − (−5)

−3 − (−5) = - 3 + 5 = 2

I is positive.

II. (− 3)(−5)

(− 3)(−5) = 15

II is positive.

III. −5 − (−3)

−5 − (−3) = -5 + 3 = -2

III is NOT positive.

Thus, Roman numerals I and II are positive.

Answer: D
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Which of the following represent positive numbers? I. −3 − (−5) II. (  [#permalink]

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New post 11 Nov 2017, 11:28
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Re: Which of the following represent positive numbers? I. −3 − (−5) II. (  [#permalink]

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New post 11 Nov 2017, 11:52
Which of the following represent positive numbers?

I. −3 − (−5) = -3 + 5 = 2
II. (−3)(−5) = 15
III. −5 − (−3) = -5 + 3 = -2

Option D(I and II) are the positive numbers.
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Re: Which of the following represent positive numbers?  [#permalink]

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New post 06 Sep 2018, 08:04
1) -3+5=+2
2) (-3)(-5)=+15
3) -5+3=-2

Answer D
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Re: Which of the following represent positive numbers? &nbs [#permalink] 06 Sep 2018, 08:04
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