Sokka156 Sokka156

Today at 5:37 AM
Mathematics

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Please someone answer this :D I really need the answer

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Answer :

charcity charcity

Today at 5:42 AM

Answer:

8.25

Step-by-step explanation:

first substitution

x=4 and y=7

square root(i dont have it) 4(x)7 + 9(x)4 =

square root 28+36 =

square root 64 =

8.246211251

round to 3 significant figure = 8.25

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