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2 years ago

13

Anyone know how to do this?

1 answer:

andriy [413]2 years ago

8 0

Have a look at this, included a couple steps and two ways to write the answer

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2 years ago

What is the slope of the line represented by the equation y = y equals 4 Over 5

OLEGan [10]

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2 years ago

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Oksi-84 [34.3K]

B is your answer! let me know if you need help!

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2 years ago

for every 15 Columns of news stories in a newspaper for Columns of Ads are required if a newspaper contains 300 Columns of new s

-Dominant- [34]

Answer:

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Step-by-step explanation:

6 0

3 years ago

A culture started with 3000 bacteria. After 2 hours it grew to 3300 bacteria. Predict how many bacteria will be present after 16

bixtya [17]

Answer:

$6,430\ bacteria$

Step-by-step explanation:

we have a exponential function of the form

$y=a(1+r)^{x}$

where

y is the population of bacteria

a is the initial value

r is the rate of growth

x is the number of hours

we have

a=3,000 bacteria

$y=3,000(1+r)^{x}$

For x=2, y=3,300

substitute

$3,300=3,000(1+r)^{2}$

$(3,300/3,000)=(1+r)^{2}$

Apply square root both sides

$1+r=\sqrt{3.3/3}$

$r=\sqrt{3.3/3}-1$

$r=0.0488$

$r=4.88\%$

substitute in the equation

$y=3,000(1+0.0488)^{x}$

$y=3,000(1.0488)^{x}$

<u><em>Predict how many bacteria will be present after 16 hours</em></u>

For x=16 hours

substitute

$y=3,000(1.0488)^{16}$

$y=6,430\ bacteria$

6 0

2 years ago