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ad-work [718]
3 years ago
8

Hi! I'm really bad at math, I was wondering if anyone could help me slove these problems and explain how you got the answer? May

be put it in the simplest way to say it, I can get confused easily, Thank You <3
Find the value of the expression
12²

Evaluate
( 8/9²

Simplify the expression
(3²-2³) ÷2

Evaluate the following for x=5 and y=3
Y³ - 4x

Evaluate the expression for x=2 and y=5
3y-5
X
Mathematics
2 answers:
Nostrana [21]3 years ago
8 0
1) 12^2 = 144
2)
3) 0.5. That’s a guess
4) 7
5) 10

They are what I would put but they might not be correct. I’m sorry but I’m unsure on question 2
Ksenya-84 [330]3 years ago
3 0

{12}^{2}  = 144
is the answer
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wel

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141

Step-by-step explanation:

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V=(4/3)pir^3
find smaller
V=(4/3)pi8^3
V=(4/3)pi512
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twice of that
Vbig=2*(2048/3)pi
Vbig=(4096/3)pi
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aprox
10.0794


the answer you are looking for is 8∛2 or 10.0794in or something close to that
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jose has $12.80 in nickels and dimes. there are a total of 144 coins. how many nickels and dimes are there
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