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lukranit [14]
2 years ago
6

Factorieze

Mathematics
1 answer:
Ne4ueva [31]2 years ago
7 0
X^2-4x-5=0
according viet’s theorem
the roots are 5 and -1
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A culture started with 4,000 bacteria. After 2 hours it grew to 4400 bacteria. Predict how many bacteria will be present after 1
Art [367]
 <span>idk why they want the dratted "k" . it is so simple w/o it ! 
in the form y = ab^x, a = 4000, b = 4400/4000 = 1.1, x = t/2 
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----------------- 
now you won't be satisfied with simplicity, so 
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N(13) = 4000e^(13*.0477) = 7436 <------ 

note that apart from a roundabout way, you get a less accurate ans !</span>
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3 years ago
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ehidna [41]

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3 years ago
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Mashcka [7]
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If using the method of completing the square to solve the quadratic equation x2 - 6x – 7 = 0, which number would have to be adde
Vanyuwa [196]

Answer:

(-3)^2

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