Solve the equation.2x3 = ?54
A. ?3
B. ?3
C. 3
D. 3
Answer: B
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A can has a volume of 25 cubic inches. We can calculate both the height h, in inches, and the surface area S, in square inches, from the radius r, in inches, of the can:
?
A: Find the radius of the can of minimum surface area.B: What is the height of the can of minimum surface area?C: What is the minimum surface area?
?
(Round your answers to two decimal places.)
What will be an ideal response?
Solve the problem.During a road trip, Lana drove three times as far as Tony. Mark drove 12 miles further than Lana. The total distance they drove on the trip was 509 miles. How many miles did each person drive?
A. Tony: 71 miles, Lana: 213 miles, Mark: 225 miles B. Tony: 639 miles, Lana: 213 miles, Mark: 201 miles C. Tony: 213 miles, Lana: 639 miles, Mark: 651 miles D. Tony: 67 miles, Lana 201 miles, Mark 213 miles
Use De Morgan's laws to write the negation of the statement.Roger or Emil will attend the game.
A. Roger will not attend the game and Emil will not attend the game. B. Roger will not attend the game and Emil will attend the game. C. Roger and Emil will attend the game. D. Roger or Emil will not attend the game.
Solve.For three days in a row, volunteers picked up trash on a particular beach. They picked up a total of 717 pounds. On the second day they collected 33 pounds more than on the first day. On the third day, they picked up 27 pounds less than on the first day. How many pounds of trash did they pick up on the first day?
A. 591 pounds B. 259 pounds C. 237 pounds D. 241 pounds