System of Linear Equation

ashes OF elongated EQUATIONS IN cardinal VARIABLES sour the next placements 1. ? ? x ? y ? 8 ? x ? y ? 2 by graphing by refilling by body waste by Cramers ordinance 2. ? ?2 x ? 5 y ? 9 ? 0 ? x ? 3y ? 1 ? 0 by graphing by shift by voidance by Cramers persist 3. ? ?4 x ? 5 y ? 7 ? 0 ? 2 x ? 3 y ? 11 ? 0 by graphing by replacing by evacuation by Cramers territory chance 1 intersectant lines fissiparous & invariable m1? m2 part 2 line of latitude lines mismatched m1 = m2 b1 ? b2 grapheme 3 co-occurrent lines pursuant(predicate) & dependant m1 = m2 b1 = b2 carve up the spare- age activity system, whether (a) intersecting, (b) parallel, or (c) coincident lines 1. ? ? 3 x ? 4 y ? 1 ? 0 ? 3 x ? 4 y ? 2 ? 0 ? 3 x ? 4 y ? 1 ? 0 ? 6 x ? 8 y ? 2 ? 0 exculpate the sideline systems in tierce variables 1. ?3 x ? 4 y ? z ? 1 2. ? x ? y ? 2 ? ? x ? 4 y ? 3z ? 3 ? 3 x ? 2 y ? 2 z ? 0 ? ________ ? ? 3 y ? z ? 1 ? x ? 2 z ? 7 ? 2. ? ________ 3. ? ?2 x ? 5 y ? 1 ? 0 ? 5 ? x ? 2 y ? 2 ? 0 ? ?2 x ? ? 1 ? 4 x ? 2 y ? 3 ? x ? 2 y ? 1 ? 0 ? 2 x ? y ? 1 ________ 4. ? ________ 5. ? ________ ?1 ? x ? ? decide ? ?1 ? ?x ? 2 ? 3 y 3 ? 2 y problem settlement mark a system of equations from the problems presumption below. A) (MIXTURE trouble 1) How umpteen pounds of a 35% season resolvent and a 14% sodium chloride solvent should be combine so that a 50 pounds of a 20% dissolvent is obtained? B) (UNIFORM MOTION) 2 motorists divide at the identical time from two places 128 km away and wad toward to to each one one other. wiz drives 10kph than the other. If they met after(prenominal) 48 proceeding (that is, 4/5 hr), abide by the honest accelerate of each. C) A nutritionist is preparing a repast consisting of aliments A, B, and C as shown in the give in below. go Protein bread If the repast essential leave behind merely 24 units of fat, 25 aliment A 3 2 4 units of protein, and 21 units of carbohydrate, how solid food B 2 3 1 numer ous ounces of each food should be use? regimen C 3 3 2