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wolverine [178]
2 years ago
7

$22.66 is 2% of what number​

Mathematics
1 answer:
Sliva [168]2 years ago
8 0

Answer:

1,133

Step-by-step explanation:

2%=0.02

$22.66÷0.02=$1,133

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Answer: 1.67 hours.


Explanation:


1) Function that models the number of bacteria:


B(t)=B_0(10)^{2t}


2) Bo = 25, then the function is:


B_0=25(10)^{2t}


3) To know how many hours will elpase until the number of bactaria is 55,00, you equals B to 55,500 in the equation and solve for t, in this way:


i) start

55000=25(10)^{2t)


ii) division property

2200=10^{2t}


iii) antilogarithm property

2t = log_{10}2200


iv) division property

t=\frac{log_{10}2200}{2}


v) Due the operations:


t = 1.67 hours.


Note that the time is less than 2 hours. That sounds fine since after 1 hour there will be 10 times 25 (250 bacteria), and after 2 hours 100 times 25 (2500 bacteria).

3 0
3 years ago
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Step-by-step explanation:

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3 years ago
A city has a population of 210,000 people. Suppose that each year the population grows by 8%. What will the population be after
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Answer:

in 13 years it will be at 432,480

Step-by-step explanation:

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2 years ago
Kennedy inaugural argument for the government helping the poor in the country? ​
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Sorryyyyy

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6 0
3 years ago
2y+2y+4y^3+4-3y^3+4+y​
RUDIKE [14]

Answer:

y^3 + 5y + 8

Step-by-step explanation:

Collect like terms

4y^3 - 3y^3 + 2y + 2y + y + 4 + 4

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4 0
3 years ago
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