niti1409
08.07.2020 •
Mathematics
Solve 3cotx + √3 = 0 for 0 ≤ x < 2 π . Simplify arccos(sin50°).
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Ответ:
one carrot = $ 0.01
one lettuce = 0.03
Step-by-step explanation:Let c represent carrot and l represent lettuce then, from the question
50c + 20 l = 1.10
30c + 40l = 1.50
Solving simultaneously
multiply equation 1 by 2 and equation 2 by 1
⇒ 100 c + 40l = 2.20
30 c + 40 l = 1.50
subtract equation 4 from equation 3
⇒ 70 c = 0.7
c = 0.01
substituting c = 0.01 into equation 1 gives l = 0.03