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Contact [7]
3 years ago
7

What does 9a^2 + 2b^2 if a=4 and b=7?

Mathematics
2 answers:
AleksAgata [21]3 years ago
7 0

Answer:

242

Step-by-step explanation:

zhuklara [117]3 years ago
6 0

Answer:

242

Step-by-step explanation:

Given

9a² + 2b² ← substitute a = 4 and b = 7

= 9(4)² + 2(7)²

= 9(16) + 2(49)

= 144 + 98

= 242

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