Answer: 180 cm
Step-by-step explanation: 1 decimeter = 10 centimeter
18 dm = 10 * 18 cm
18 dm = 180 cm
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Sounds like you're finding the perimeter of the block which means you'll need to use yards
Answer:
90 inches
Step-by-step explanation:
The perimeter of the inscribed triangle is 1/2 that of the enclosing triangle. So, the total of perimeters is ...
(3·16 in)(1 +1/2 +1/4 +1/8) = (48 in)(15/8) = 90 inches
Answer:
-8 -8
Step-by-step explanation:
Because it is the most reasonable
<span>7x²+9x⁴-3x²-x⁴-4x²
(</span>7x²-3x²-4x²) + (9x⁴-x⁴)
(4x²-4x²) + (8x⁴)
(0) + (8x⁴)
8x⁴
