What is the sum of 5.815 + 6.021

11.836 you have to be sure you line up your decimals when using addition

step-by-step explanation:

if x = 2 you have to find x to finish the problem

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine