Solve each equation AND tell whether it is a conditional equation, an identity, or a contradiction....

Transcribed Image Text:

Solve each equation AND tell whether it is a conditional equation, an identity, or a contradiction. a. 5x9= 4(x-3) b. 5x15= 5(x-3) c. 5x – 15 = 5(x −4) 2.) A pharmacist must combine 8 liters of a 40 % acid solution with some 70% solution to obtain a 50% solution. How much of the 70% solution should be used? 10 points 3.) Greg can bike from home to work in % hour. By bus, the trip takes % hour. If the bus travels 20 mph faster than Greg rides his bike, how far is it to his workplace? 10 points 4.) Solve each equation AND give the solution set in interval form. 5(x-3)-7x ≥ 4(x − 3). a. b. -16x² +96x > 80 C. 10 points 2x-1 3x+4 <5 3 points 3 points 4 points 5.) You need to rent a truck for one day to move to your new home. You can rent a truck from We're Outta Here Movers for $59.95 per day with a mileage charge of $0.28 per mile or from Moving On Out Movers for $64.95 per day plus $0.25 per mile. You are not sure how many miles you will need to drive to your new home. After how many miles will the Moving On Out Movers truck rental be a better deal than the one from We're Outta Here Movers? (Hint: when the cost of using Moving On Out Movers is less than the cost of using We're Outta Here Movers) 10 points Solve each equation AND tell whether it is a conditional equation, an identity, or a contradiction. a. 5x9= 4(x-3) b. 5x15= 5(x-3) c. 5x – 15 = 5(x −4) 2.) A pharmacist must combine 8 liters of a 40 % acid solution with some 70% solution to obtain a 50% solution. How much of the 70% solution should be used? 10 points 3.) Greg can bike from home to work in % hour. By bus, the trip takes % hour. If the bus travels 20 mph faster than Greg rides his bike, how far is it to his workplace? 10 points 4.) Solve each equation AND give the solution set in interval form. 5(x-3)-7x ≥ 4(x − 3). a. b. -16x² +96x > 80 C. 10 points 2x-1 3x+4 <5 3 points 3 points 4 points 5.) You need to rent a truck for one day to move to your new home. You can rent a truck from We're Outta Here Movers for $59.95 per day with a mileage charge of $0.28 per mile or from Moving On Out Movers for $64.95 per day plus $0.25 per mile. You are not sure how many miles you will need to drive to your new home. After how many miles will the Moving On Out Movers truck rental be a better deal than the one from We're Outta Here Movers? (Hint: when the cost of using Moving On Out Movers is less than the cost of using We're Outta Here Movers) 10 points