Answer:
C & 78.21 or 8 as the missing number
Step-by-step explanation:
9.983+12.05=22.033
68.91+9.3=78.21
Answer:
13 inches
Step-by-step explanation:
Perimeter is all the sides added so your equation would be 8+8+x+x=42 then you combine like terms. 16+2x=42. Next you would isolate the variable 2x=26 and the divide the 2 on both sides and you get x=13. Meaning your width is 13 inches long
4.5 x 10^-5 is just 0.00045 and 1 x 10^-3 is 0.001
Step-by-step explanation:
3/4÷5/16
3/4×16/5
=12/5(2 2/5)