What is the sum of -3^2-7x+9and -5^2+6x-4
1 answer:
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Answer:
The chocolate bar contains 29.2 grams of cocoa.
Step-by-step explanation:
Given that Lucy’s chocolate bar is 54% cocoa and the weight of the chocolate bar is 54 grams.
Hence, the amount of cocoa in the chocolate bar is given by
54% of 54 grams
54% percentage means 54/100 = 0.54
Hence, the amount of cocoa in the chocolate bar is
When rounded to the nearest tenth, 29.16 should be equal to 29.2
Hence, the chocolate bar contains 29.2 grams of cocoa.
Answer:
Step-by-step explanation:
The denominators are the same. You can add the numerators without any extra work.
The denominator factors as (2x-3)(3x+4), so there are no factors that will cancel with the numerator.