Answered

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Maybeline is the teacher's assistant today and is correcting homework examples. Help her by selecting correct or incorrect after evaluating each problem.

Maybeline Is The Teachers Assistant Today And Is Correcting Homework Examples Help Her By Selecting Correct Or Incorrect After Evaluating Each Problem class=

Sagot :

Here, we need to remember the signs rules

[tex]\begin{gathered} (+)(+\text{ )=+} \\ (+\text{ )(- )=-} \\ (-\text{ )(+ )=-} \\ (-\text{ )(- )=+} \end{gathered}[/tex]

Then

[tex](-4)+(-8)=-4-8=-12[/tex]

incorrect.

[tex](-9)-(-8)=-9+8=-1[/tex]

correct

[tex](+7)\times(-8)=-56[/tex]

correct

[tex](-5)(-2.5)=12.5[/tex]

correct

[tex]+\frac{1}{2}\times(+6)=3[/tex]

incorrect

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