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Katen [24]
3 years ago
14

If each commercial lasts 1/2 minute how many commercials are there in a 4-hour program?

Mathematics
1 answer:
Ivenika [448]3 years ago
6 0

Answer:

if each commercial lasts 1/2 minute how many commercials are there in a 4-hour program?

480

Step-by-step explanation:

4 hours= 240 mins

240/0.5=480

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A population of insects increases at a rate of 1.5% per day. About how long will it take the population to double?
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Explanation:

The general form for exponential growth is

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We do not know the initial amount, the total amount, or the amount of time.  We do know that r, the percent of growth, is 1.5%; 1.5% = 1.5/100 = 0.015:

A=p(1+0.015)^t

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Using logarithms to solve this,

\log_{1.015}(2)=t&#10;\\&#10;\\46.6=t

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