Simplify the powers of i.i9
A. 1
B. -i
C. -1
D. i
Answer: D
You might also like to view...
Solve the problem.Big Jack's pizzas are the best values in town. His guarantee is that if you buy 5 pizzas, he'll take 10% off the sixth, 20% off the seventh, and 50% off of every pizza after that. On Friday night Elmer's fraternity ordered 8 pizzas for their party. What was the price per square inch on the 7th pizza if each pizza was a(n) 12-inch round and the original price was $7.99? (Use 3.14 for ?. The size of a pizza is its diameter.)
A. $0.16 per square inch B. $0.06 per square inch C. $0.08 per square inch D. $0.12 per square inch
Find the center and radius of the circle.5x2 + 5y2 + 20x - 30y - 60 = 0
A. center: (-3, 2), radius: 25 B. center: (2, -3), radius: 25 C. center: (-2, 3), radius: 5 D. center: (3, -2), radius: 5
Solve the investment problem.Roberto invested some money at 6%, and then invested $4000 more than twice this amount at 9%. His total annual income from the two investments was $3480. How much was invested at 9%?
A. $3000 B. $30,000 C. $12,000 D. $26,000
Solve the problem.A gas company has the following rate schedule for natural gas usage in single-family residences:Monthly service charge$8.80Per therm service charge1st 25 therms$0.6686/thermOver 25 therms$0.85870/thermWhat is the charge for using 25 therms in one month?What is the charge for using 45 therms in one month?Construct a function that gives the monthly charge C for x therms of gas.
What will be an ideal response?