Y = cos(x)
sqrt(3)/2 = cos(30º)
dy = -sin(x)*dx
dy = -sin(30º)*(pi/180) = (1/2)*(pi/180)
y + dy = cos(x) - sin(x)dx
y + dy = sqrt(3)/2 - (1/2)*(pi/180) = 0.8573
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Answer:
Step-by-step explanation:
- 2/3x - 9 - 2x + 2 = 1
- 2/3x - 2x - 7 = 1
- 2/3x - 6/3x - 7 = 1
- -4/3x - 7 = 1
Correct option is B
160 people x 4 ladle/1 person = 640 ladles full
640 ladles x 1 person/5 ladles = 128 people fed
The correct answer is A. -22,14