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2 years ago

Simplify this expression: 13 + (–12) – (–5) = ? A. 30 B. –30 C. –6 D. 6

Mathematics

2 answers:

ElenaW [278]2 years ago

8 0

D.) 6

because (-12) - (-5) = 7

13+ -7= 6

Ad libitum [116K]2 years ago

4 0

$13 + (-12) - (-5) \\ \\ 13 - 12 + 5 \\ \\ 6 \\ \\ Answer: \fbox {6}$

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Answer:

Step-by-step explanation:

Each ratio is irreducible, and they are different. Hence they are not the same value, so cannot be a proportion. A proportion is two equal ratios.

5 : 3 = 40 : 24

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<em>Examples of proportions</em>

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3 years ago

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Answer:

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Step-by-step explanation:

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We rewrite the expression under the radical sign to obtain:

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We split the expression under the radical sign to get:

$-5-\sqrt{4} \times \sqrt{11} \times \sqrt{-1}$

Recall that:

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This implies that:

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Therefore $-5-\sqrt{-44}=-5-2\sqrt{11}i$

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3 years ago

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Step-by-step explanation:

Note that:

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2 years ago

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