Berenika wants to buy 35 t-shirts. Each t-shirt costs £5.80. Berenika does the calculation 40 x 6 = 240to estimate the costs of 35 t-shirts. Explain how Berenika's calculation shows that the actual cost will be less than £240

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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.