A. Centrifuge had the biggest impact on the development of the cell theory
Complementary angles add up to 90 so
angle + 47 = 90
angle = 90 - 47
angle = 43 so A
.91 times 4000=3640 people prefer Pedro’s
4000-3640= 360 people prefer other brands
50x+80y=1750 and y = x+4 can be used to determine the number of small boxes and large boxes of paper shipped where x represent the number of small boxes of paper and y represent the number of large boxes of paper.
Step-by-step explanation:
Given,
Weight of small box of paper = 50 pounds
Weight of large box of paper = 80 pounds
Total weight of boxes = 1750 pounds
Let,
x represent the number of small boxes of papers.
y represent the number of large boxes of papers.
According to given statement;
50x+80y=1750
y = x+4
50x+80y=1750 and y = x+4 can be used to determine the number of small boxes and large boxes of paper shipped where x represent the number of small boxes of paper and y represent the number of large boxes of paper.
Keywords: linear equation, addition
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