Decide whether the equation is conditional, an identity, or a contradiction. Give the solution set.5(2f - 31) = 10f - 155

A. Identity; ?
B. Conditional; {0}
C. Identity; {all real numbers}
D. Contradiction; ?


Answer: C

Mathematics

You might also like to view...

Solve the problem.A sample of matter has a temperature distribution given by  Describe the level surfaces and write an equation for the surface T = 300.

What will be an ideal response?

Mathematics

All points in a triangular shaped grassy area where a goat could be staked and not leave the grass but have the most grazing area.

What will be an ideal response?

Mathematics

Solve the problem.Before exercising, an athlete measures her air flow and obtains a = 0.65 sin where a is measured in liters per second and t is the time in seconds. If a > 0, the athlete is inhaling; if a < 0, the athlete is exhaling. The time to complete one complete inhalation/exhalation sequence is a respiratory cycle. What is the amplitude? What is the period? What is the respiratory cycle? Graph a over two periods beginning at t = 0. 

What will be an ideal response?

Mathematics

Solve the problem.Find the dimensions of a rectangular enclosure with perimeter 28 yards and area 45 square yards.

A. 5 yards by 9 yards B. 6 yards by 8 yards C. 6 yards by 9 yards D. 5 yards by 8 yards

Mathematics