Answer:
34 cm
Step-by-step explanation:
The actual question is How many inches of ribbon Peter will need to make the "X".
Using the Pythagorean theorem, the length of the diagonal of a square with 12 cm sides is:

Since the "X" requires two diagonals, the length of ribbon required is:

The length required, rounded to the nearest centimeter, is 34 cm.
Answer:
15/4 6/5
Step-by-step explanation:
there simplified
Step-by-step explanation:
3 + 3(k + 3) = 6(k - 2) + 9
3 + 3k + 9 = 6k - 12 + 9
12 + 12 - 9 = 6k - 3k
15 = 3k
k = 15/3
k = 5
Answer:
D
Step-by-step explanation:
70% as a fraction is 70/100
Answer:
242 2/3in^3
Step-by-step explanation:
The formula is l*w*h. So if you multiply all of them you'll get 242 2/3.