malak3782
18.03.2021 •
Mathematics
What does 9a^2 + 2b^2 if a=4 and b=7?
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Ответ:
242
Step-by-step explanation:
Ответ:
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
Ответ:
answer: h(x)=6-x
(hoh)(x)=h(h(x))=h(6-x)=6-(6-x)=x
(hoh)(10)=10
(happy to help)
Step-by-step explanation: