3 years ago

A $290 suit is marked down by 10%. Find the sale price.

Mathematics

1 answer:

mariarad [96]3 years ago

5 0

Answer:

261 ! Round to the nearest dollar

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Remembering PEMDAS we solve like this
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27 is answer. it is easy, just replace the letter with the number and solve it

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3 years ago

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2 years ago

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2 years ago

A town has a population of 17000 and grows at 2.5% every year. To the nearest year, how long will it be until the population wil

andre [41]

Answer:

6 years

Step-by-step explanation:

we know that

The equation of a exponential growth is equal to

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

where

y ----> is the population

x ---> is the number of years since now

a ---> is the initial value or y-intercept

r ---> is the rate of change

we have

$a=17,000\ people$

$r=2.5\%=2.5/100=0.025$

substitute

$y=17,000(1+0.025)^x$

$y=17,000(1.025)^x$

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substitute in the exponential equation and solve for x

$19.600=17,000(1.025)^x$

$(19.600/17,000)=(1.025)^x$

apply log booth sides

$log(19.600/17,000)=log(1.025)^x$

$log(19.600/17,000)=xlog(1.025)$

$x=log(19.600/17,000)/log(1.025)=6\ years$

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3 years ago