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bezimeni [28]
3 years ago
9

Find a number that is between 7/11 and /0.75

Mathematics
1 answer:
gayaneshka [121]3 years ago
3 0
<span>We can multiply the numerator and the denominator of 7/11 by 3, 4 and 9: 7/11 = 21/33 = 28/44 = 63/99. Than we can see that: 25/44 < 21/33 or 25/44 < 7/11 ( C is not correct ). Also: 77/99=0.777...and 76/99=0.7676... Therefore: 0.75 < 77/99 , 0.75 < 76/99. And since: 23/33 = 0.6969...: 7/11 < 23/33 < 0.75. Answer: D ) 23/33 </span>
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MakcuM [25]
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Answer: a) N(t)=1500(2)^t

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Step-by-step explanation:

The exponential equation for growth is given by :-

y= ab^t , where a= initial value , b =multiplicative growth factor and t = time.

Given : A bacteria culture contains 1500 bacteria initially and doubles every hour.

i.e. a = 1500 and b= 2

Then, the function N that models the number of bacteria after t hours will be :

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To find , the number of bacteria after 24 hours , we put t= 24 in above equation , we get

N(24)=1500(2)^{24}\\\\=1500(16777216)=25165824000

Hence, the number of bacteria after 24 hours is 25165824000.

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