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enot [183]
3 years ago
7

Is 1/8 irrational or rational

Mathematics
2 answers:
Stolb23 [73]3 years ago
6 0

Answer: Rational

Step-by-step explanation: All fractions are rational numbers so 1/8 must be rational.

mash [69]3 years ago
3 0
1/8 is rational because irrational numbers can be written as decimals but not fractions
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Vilka [71]
Primary equation: A(x)= (5y)(3X)
Secondary equation: 5y+3X=1000
y=200-(3X)/5
A(x)=3X(1000-3X)
A(x)=3000X-9X²

Now, find the derivative of A(x) to find the max... here's the work for that, or you could guess and check.

A'(x)=3000-18X

Set derivative equal to 0

0=3000-18X
166.6666666=X

Now test the intervals

(0,166.6666) (166.66666, 1000)
1st derivative is + 1st derivative is -

Plug the X value back into the secondary equation
5y+3(166.666666)=1000
5Y=500
Y=5

Answer:
X= 166.6666666666
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Please note, this is entry level calculus, and your teacher may expect you to use a different, longer route such as guess and check.
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