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2 years ago

Is 7.2727272727 a rational or irrational

Mathematics

1 answer:

postnew [5]2 years ago

6 0

Answer:

I'm pretty sure It is a rational number.

Step-by-step explanation:

I am not 100% sure but here's some other information/explanation to why I think it is:

Rational means it can be a fraction.

Even though it's a repeating decimal it isn't like pi where it's nonstop.

I hope I could help you!

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The population is decreasing at a rate of 5% per year. If the population is 28,400 today, what will the population be in 8 years

Natali [406]

Answer:

710

Step-by-step explanation:

if its wrong tell me (☞ﾟヮﾟ)☞(if it right plz give me brainlist)☜(ﾟヮﾟ☜)

3 0

3 years ago

A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal c

Lina20 [59]

Answer: 97.72%

Step-by-step explanation:

Given : A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal curve.

Let x be the random variable that represents the shoe sizees.

Also, The population mean = $\mu=11$ ; Standard deviation: $\sigma=1.5$

Formula for z:-

$z=\dfrac{x-\mu}{\sigma}$

Put x= 8, we get

$z=\dfrac{8-11}{1.5}=-2$

Now, the probability that the male shoe sizes are greater than 8 :-

$P(x>8)=P(z>-2)=1-P(z\leq-2)\\\\=1-0.0227501=0.9772499\approx0.9772$

Hence, the percent of male shoe sizes are greater than 8 is 97.72%.

7 0

3 years ago

What is 6+14r-12r+3?

Ugo [173]

6+14r−12r+3

=6+14r+−12r+3

Combine Like Terms:

=6+14r+−12r+3

=(14r+−12r)+(6+3)

Your answer would be:

2r+9

~Good Luck~

5 0

3 years ago

Read 2 more answers

Someone please help need ASAP

alisha [4.7K]

The slope intercept form is given by
$y = mx + c$
where m is the slope and c is the y - intercept

That is
$m = \frac{3}{5}$
$c = 7$
Hence the equation is
$y = \frac{3}{5} x + 7$

7 0

3 years ago

You need to buy a 12 foot length of 25 foot wide carpet that costs 2.60 dollars per square feet how much will this cost

FromTheMoon [43]

The sqft for an area that is 12 by 25 is 300.
2.60 x 300 = 780
It would cost $780.00.
Hope it helps!

4 0

3 years ago