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3 years ago

11

A certain bacteria culture grows at a rate if 18% everday. There are currently 420 bacteria. How many bacteria will there be on

day day 8

1 answer:

Anettt [7]3 years ago

6 0

Answer:

1579

Step-by-step explanation:

There is a particular formula you must use and it leads to this 420(1 + 0.18)^8=1579

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Given that two tangent lines are constructed from the shared point A outside a circle to the points of tangency B and C, what is

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3 years ago

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finlep [7]

4/32 = x/100
answer: x = 12.5

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3 years ago

-5•3 = 3 • -5<br><br> Name the property that justifies the statement

algol13

Answer:

commutative property of multiplication

Step-by-step explanation:

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3 years ago

What is 3/4 doubled? Is it 6/8 or 1 2/4?

Amanda [17]

Answer:

1 2/4

Step-by-step explanation:

3/4 doubled is $2(\frac{3}{4} )=\frac{3}{2}$

Now, $\frac{6}{8} =\frac{3}{4}$ on simplification.

$1 \frac{2}{4} =\frac{6}{4} =\frac{3}{2}$

Therefore,

3/4 doubled is 1 2/4

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3 years ago

A tobacco company claims that the amount of nicotine in its cigarettes is a randomvariable with mean 2.2 mg and standard deviati

Genrish500 [490]

Answer:

0.0000

Unusual

Step-by-step explanation:

Given that a tobacco company claims that the amount of nicotine in its cigarettes is a random variable with mean 2.2 mg and standard deviation .3 mg.

i.e. population parameters are

$\mu =2.2 \\s = 0.3$

The approximate probability that the sample meanwould have been as high or higher than 3.1

$=P(X\geq 3.1)\\=P(Z\geq \frac{3.1-2.2}{\frac{0.3}{\sqrt{100} } } )\\=P(Z\geq 30)\\$

=0.0000

8 0

3 years ago