Sorry but i only know the answer to number 3
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A rational number is a number that can be written as a fraction where numerator and denominator are both integers (and the denominator is not zero).
Since 0.57 = 57/100, so the number 0.57 can be written as a fraction where the numerator (57) and denominator (100) are both integers. </span>
16, think of 4 plus 4 plus 4 plus 4.
Answer:
Look image below.
Step-by-step explanation:
I got it wrong.. here's the correct answer.
Answer:
a=2tan(30) or nearly -12,81066