Como os jogos de raciocinio podem auxiliar o jovem nos estudos ?

1 answer:

7 0

It can help them by concentrating like mind games and teaching them. Learning from their mistakes something like that. Like reading games that help you with your subjects.

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If sin 21 = cos (5x+9) what is the value of x

n200080 [17]

sin x = cos 54 = sin (90-54) = sin 46

Hence x = 46 deg

Same technique. Sin 21 = cos (5x+9) = sin (90-5x-9)

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What is the value of the expression 3^−4 ?

ikadub [295]

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anastassius [24]

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A rational expression is nothing more than a fraction in which the numerator and/or the denominator are polynomials. Here are some examples of rational expressions.

To find the restrictions on a rational function, find the values of the variable that make the denominator equal 0.

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Learn more about rational expressions here:

brainly.com/question/9353162

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LuckyWell [14K]

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Nesterboy [21]

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