a blend of juice is made from pineapple and passion fruit. the cost of 1 litre pineapple juice is ksh 100 and the cost
of 1 litre of passion juice is ksh 60. in what ratio should the juice be mixed to
produce a juice that costs ksh 70 per litre?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x