9-10-11

Solve the system of equations using your graphing calculator: 2x - 5y + z = 7 -ity-z=-2 I - 3y = 4 Score: N/A/1.667 N/A/1.667 N/A/1.667 Had help available: Video IN Question 10. Version 1*/1. Score: 0/5 The Nut Shack sells hazelnuts for $6.10 per pound and peanuts nuts for $4.40 per pound. How much of each type should be used to make a 29 pound mixture that sells for $5.34 per pound? Round answers to the nearest pound. pounds of hazelnuts pounds of peanuts nuts Score: N/A/2.5 N/A/2.5 Had help available: Video IN Question 11. Version 1*/1. Score: 0/5 Country Day's scholarship fund receives a gift of $ 140000. The money is invested in stocks, bonds, and CDs. CDs pay 3.5 % interest, bonds pay 2.3 % interest, and stocks pay 11.8 % interest. Country day invests $ 20000 more in bonds than in CDs. If the annual income from the investments is $ 11060 , how much was invested in each vehicle? Country Day invested $ in stocks Country Day invested $ in bonds. Country Day invested $ in CDs. Note: the video solves this question using the substitution method, but you may use your calculator. MAY 7 city S