Use the work shown below to solve. 1. Identify the operation in the equation. 2. Use inverse operations to solve. Subtraction property of equality 3 2 = k + 11 2 3 2 − 11 2 = k + 11 2 − 11 2 Addition property of equality 3 2 + (− 11 2 ) = k + 11 2 + (− 11 2 ) The solution is k = -7 -4 StartFraction 13 over 2 EndFraction StartFraction 15 over 2 EndFraction

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

Acircle has a circumference of 7.850 units. what is its radius?

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides