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BabaBlast [244]
2 years ago
12

Evaluate the expression 8(2+1)^-4^

Mathematics
2 answers:
Allisa [31]2 years ago
6 0
8(2+1)²-4²

ok
pemdas
parenthaees first
2+1=3
now we gots
8(3)²-4²
exponent before multiply
3²=9
4²=16
now we gots
8(9)-16
multiply
8(9)=72
now we gots
72-16=56
Marysya12 [62]2 years ago
5 0
8(2+1)^4
8(3)^4
8(81)
648


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Step-by-step explanation:

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Answer: x = 10 and y = 3

Step-by-step explanation:

Due to the x rule, (5x - 17) = (3x + 3)

If we add 17 to both sides:

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2x = 20

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X = 10

This means that (5x - 17) = (3x + 3) = 33

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294 /2

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2 years ago
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1/16

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djverab [1.8K]
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