zoolo1
04.08.2021 •
Mathematics
Discutir y graficar la ecuación:
r=3 cos 2ө (rosa de tres pétalos)
a)intersecciones:
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Ответ:
x= Marie's age
x + 3: David's age
x + x + 3= 37
2x + 3 = 37
2x = 34
x = 17
x + 3 = 20
Marie is 17
Davis is 20