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tamaranim1 [39]
3 years ago
6

Which fraction is not in simplest form? Explain. : 9/21 , 7/18, 3/25, 12/31

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0
9/21 because it can still be reduced to 3/7

Tema [17]3 years ago
6 0
9/21. You can take 3 out of the numerator and denominator.

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A manufacturing plant earned $80 per man hour of labor when it opened. Each year, the plant earns an additional 5% per man hour.
Mekhanik [1.2K]

Answer:

The amount that plant earns per man hour after (t) years it open is           $80 (1.05)^{\textrm t} .

Step-by-step explanation:

Given as :

The earning of  manufacturing plant when it opened = $ 80 per man hour

The rate of plant earning per man hour  = 5 %

Let The earning of plant after t years = A( t )

So,

The earning of plant after t years = initial earning × (1+ \dfrac{\textrm rate}{100})^{\textrm Time}

Or, A(t) = $ 80 × (1+ \dfrac{\textrm 5}{100})^{\textrm t}

or, A(t) = $ 80 × (1.05)^{\textrm t}

Hence The amount that plant earns per man hour after (t) years it open is   $80 (1.05)^{\textrm t} . Answer

3 0
3 years ago
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sammy [17]

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4 0
2 years ago
To show how to do this step by step
Jet001 [13]

Answer:

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6 0
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3 years ago
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