Seudónimo Seudónimo

15-11-2019
Mathematics

contestada

Examine the work shown. Explain the error and find the correct result.

2(4 - 16) - (-30)
2(-12) - (-30)
24 - (-30)
54

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jessxicaa jessxicaa

15-11-2019

Error: When 2 was multiplied by -12, it should’ve been -24 not 24.

Correct Answer: 14
2(4 - 16) - (-30)
2(4-16) -(-30)
2(-12) - (-30)
-24 + 30
14

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Lemonketood Lemonketood

23-04-2020

Answer:

Sample response: The product of two numbers with different signs is negative, so 2(-12) = -24, not 24. Then -24 — (-30) = -24 + 30 = 6.

Step-by-step explanation:

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