Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?
Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17Ď€/6 (b) tan 13Ď€/4 (c) sec 11Ď€/3
Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000