Cuatro personas invirtieron en su negocio cantidades proporcionales a 11, 15, 18 y
25. Si el q...
Mathematics, 21.03.2020 08:40 kiasiab17
Cuatro personas invirtieron en su negocio cantidades proporcionales a 11, 15, 18 y
25. Si el que aportó más aportó 2800 soles más que el que aportó menos. ¿Cuánto
aportaron los cuatro?
a) 20 700
b) 13 800
C) 15 800
d) 11 800
e) 17 700
Answers: 2
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Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.
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Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) without doing any computations, order the data sets according to increasing value of standard deviations. (i), (iii), (ii) (ii), (i), (iii) (iii), (i), (ii) (iii), (ii), (i) (i), (ii), (iii) (ii), (iii), (i) (b) why do you expect the difference in standard deviations between data sets (i) and (ii) to be greater than the difference in standard deviations between data sets (ii) and (iii)? hint: consider how much the data in the respective sets differ from the mean. the data change between data sets (i) and (ii) increased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). the data change between data sets (ii) and (iii) increased the squared difference îł(x - x)2 by more than data sets (i) and (ii). the data change between data sets (i) and (ii) decreased the squared difference îł(x - x)2 by more than data sets (ii) and (iii). none of the above
Answers: 2
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