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2 years ago

9

Yumiko solved |x|>5 by solving x>-5 and x<5. explain the error yumiko made

1 answer:

Whitepunk [10]2 years ago

3 0

Answer:

switched signs around

Step-by-step explanation:

I believe that s/he switched the signs around so

|x|>5 is solved by x<-5 and x>5

but I'm not quite sure, sorry

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago

katrin2010 [14]

Answer:

230 - 151 + 180 + (43 - 12) = 290

Step-by-step explanation:

Use PEMDAS.

Evaluate the expression in the parentheses:

230 - 151 + 180 + (43 - 12)

43 - 12 = 31

230 - 151 + 180 + 31

Add and Subtract From Left to Right:

230 - 151 + 180 + 31

79 + 180 + 31

259 + 31

290

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Step-by-step explanation:

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3 years ago

Read 2 more answers