James wanted to lay a circular carpet in the dining room of his house. The dining room is 7m long and 6.5m wide. The diameter of the circular carpet is 3.5m. Find the area of the room which was not covered by the carpet. = 22/7

Area of room: 7 x 6.5 = 45.5 sq. M.

Area of rug: 22/7 x 1.75^2 = 9.625 sq. M.

Area of loot not covered: 45.5 - 9.625 = 35.875 sq. M. ( round answer if needed)

t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.