The daily recommended allowance of calcium for a sixth grader is 1,200 mg. One cup of
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We can use the ratios for special triangles (see the attachment below). We'll be using the 45-45-90 triangle. We notice that side BC is equal to 
, and side AC (x using the special right triangle) is equal to 16. We can therefore say that side BC is equal to 
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We are asked to simplify the expression 
,
what we do is, we form a single fraction where the numerator is the product of the numerators, and the denominator is the product of the denominators, that is:
simplify the common numbers and terms in the numerator and denominator:
Answer:
what we do is, we form a single fraction where the numerator is the product of the numerators, and the denominator is the product of the denominators, that is:
simplify the common numbers and terms in the numerator and denominator:
Answer: