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Roman55 [17]
3 years ago
11

A farmer has ducks and cows on his farm. He does not remember how many duck and cows are on the farm. If there are total of 26 a

nimals and 84 feet. How many ducks and cows are in the farm
Mathematics
1 answer:
liubo4ka [24]3 years ago
7 0
I believe the answer is 13 I think but I’m not sure but I just did the math off of the top of my head
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Solve for x<br> 3^x+4=9<br> 3 to the power of x plus 4 is equal to 9
Bingel [31]
3^{x} + 4 = 9 \\3^{x} = 5 \\ln(3^{x}) = ln(5) \\xln(3) = ln(5) \\\frac{xln(3)}{ln(3)} = \frac{ln(5)}{ln(3)} \\x = \frac{ln(5)}{ln(3)}

or

3^{x + 4} = 9 \\ln(3^{x + 4}) = ln(9) \\(x + 4)ln(3) = ln(9) \\\frac{(x + 4)ln(3)}{ln(3)} = \frac{ln(9)}{ln(3)} \\x + 4 = \frac{ln(3^{2})}{ln(3)} \\x + 4 = \frac{2ln(3)}{ln(3)} \\x + 4 = 2 \\x = -2
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3 years ago
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frosja888 [35]
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2 years ago
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If the police have 9 suspects how many different ways can they select 5 for a lineup
kow [346]
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3 years ago
PLEASE HELP, need so I can graduate.
soldi70 [24.7K]

Answer: I think it's C

Step-by-step explanation:

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