The fraction of squares shaded to total squares is 70/100 or 7/10
With a percent, 70% of all of the squares are shaded
With a decimal, there are 0.7 shaded blocks for every total block, so it is 0.7
Hope this helps!
To find the mean....add all the values and divide by the amount of values.....since the mean is given do the opposite...multiply the mean by the amount of values and then minus each value to find x....
113113.101101 * 5 then minus 122122+107107+112112+107107 from it
Each coin will either land as a head or a tail. - 2 possible results.
for 5 coins its 2*2*2*2*2 = 32 different results.
20+4x. Multiply the 4 by the 5 and bring the sign over. Do same for x
To find the area of a rectangle, multiply its length by its width. I suggest you use a calculator for accuracy in multiplication. Hope this helped!
