2 years ago

Reference angle of 400°?

1 answer:

4 0

The angle should be less than 360 degrees since a full circle is 360 degrees.

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8,5,2

Step-by-step explanation:

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Juli2301 [7.4K]

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antiseptic1488 [7]

$\begin{gathered} a)81a^2 \\ b)9x^2 \end{gathered}$

1) Let's simplify those expressions making use of exponents rules:

$(9a)^2=81a^2$

Note that the exponent outside the parenthesis is 'distributed' over each term inside.

2) Similarly for the second expression we can state that:

$(3x)^2=9x^2$

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8 months ago