Solve the system by the substitution method.9x - y = 13y = x2 + 5
A. {(-6, 41), (-3, 14)}
B. {(6, 31), (3, 4)}
C. {(-6, 41), (3, 14)}
D. {(6, 41), (3, 14)}
Answer: D
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Provide an appropriate response.Suppose that consumers will demand 800 units of a product when the price is $10 per unit, and 1000 units when the price is $8 per unit. Find the demand equation for the product assuming that price p and quantity q are linearly related.
Fill in the blank(s) with the appropriate word(s).
Solve the variation problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 50 seconds with an average speed of 3 feet per second. Find the average speed of the swimmer if it takes 30 seconds to finish the race.
A. 6 feet per second B. 7 feet per second C. 4 feet per second D. 5 feet per second
Solve the problem.Find the area A of a rectangle with length 7.1 yd and width 11.5 yd.
A. A = 28.4 yd2 B. A = 18.6 yd2 C. A = 81.65 yd2 D. A = 163.3 yd2
Solve.If the sides of a square are increased by 2 meters, the area becomes 36 square meters. Find the length of a side of the original square.
A. 8 m B. 4 m C. 2 m D. 6 m