Q6 q21.) verify the identity, write the left side numerator in terms of a sum or difference formula for sine or cosine, rewrite the expression found in the previous step by separating the denominator, and the expression from the previous step then simplifies to cot α - tan β using what?

Find an equation for the linear function which has slope -10 and x-intercept -7

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.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4