Step-by-step explanation:
Step 1: Substitute 8 in the equation.
Step 2: Minus 8 from 15.
Answer:
8x^2 + 34; 45.52 centimeters
Step-by-step explanation:
The perimeter is twice the sum of adjacent edges of a rectangle:
P = 2((2x^2 +9) +(2x^2 +8)) = 2(4x^2 +17)
P = 8x^2 +34
Then when x=1.2, the perimeter is ...
P = 8(1.2^2) +34 = 8·1.44 +34 = 45.52 . . . . cm
False isiraursitdiyditsitsitsitsidiydiyd
351,875 - 101,949 = 249,926
351,875 + 249,926 = 601,801