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ella [17]
2 years ago
10

PLESE HELP ILL GIVE BRAINLIEST!,!!!!!

Mathematics
2 answers:
Bogdan [553]2 years ago
5 0

Answer:

9.8x + 1.1y + 9.9z

Step-by-step explanation:

\textsf {The perimeter is the sum of the side lengths.}

\textsf {Hence, the perimeter is :}

⇒ 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y

⇒ 9.8x + 1.1y + 9.9z

Tasya [4]2 years ago
5 0
Answer: C) 9.8x + 1.1y + 9.9z

Step-by-Step Explanation:

Perimeter = Side + Side + Side

Therefore,
= 5.5x + 6.2y + 4.3x + 8.3z + 1.6z - 5.1y
= (5.5 + 4.3)x + (6.2 - 5.1)y + (8.3 + 1.6)z
= 9.8x + (6.2 - 5.1)y + (8.3 + 1.6)z
= 9.8x + 1.1y + (8.3 + 1.6)z
=> 9.8x + 1.1y + 9.9z

Perimeter = 9.8x + 1.1y + 9.9z cm
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