R(t) = 3t ; where t represents the time in minutes and r represents how far the paint is spreading.
A(r) = πr²
Part A:
A[r(t)] = π (3t)² = 3.14 * 9t² = 28.26t²
Part B:
r(10) = 3(10) = 30
A(r) = 3.14 * 30² = 3.14 * 900 = 2,826 square unit
Hope This Helped! :3
Coefficient = 7 and 1
7 is the coefficient of a
1 is the coefficient of b
0.36 is less than the shaded portion of the grid. Brainliest, please?
Answer:
4 times larger
Step-by-step explanation: