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2 years ago

Is 8.27 rational or irrational?

Mathematics

2 answers:

vladimir1956 [14]2 years ago

6 0

Answer:

Rational

Step-by-step explanation:

8.27 is rational

Nina [5.8K]2 years ago

3 0

Answer:

Rational

Step-by-step explanation:

A rational number is a number with a decimal that doesn't go on forever.

An irrational number is a number with a decimal that goes on forever.

Since the decimal in 8.27 doesn't go on forever, it is rational.

Best of Luck!

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The last part is function but need help asap

quester [9]

It would be the top one

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3 years ago

Divide £30 between 2 people in the ratio 1:2

yuradex [85]

1+2=3.
30/3=10
10x1=10
10x2=20
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3 years ago

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At the local pet store, zebra fish cost $2.00 each and neon tetras cost $2.15 each. If Ernesto bought 15 fish for a total cost o

bezimeni [28]

So first create and define your variables:
Z = amount of zebra fish
N = amount of neon tetras

Now create your equations:
2z+2.15n=31.20
z+n=15
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2z+2.15n=31.20
z=15-n
Now I’ll plug the bottom equation into the top one.
2(15-n)+2.15n=31.20
And just solve from here.
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0.15n=1.20
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2 years ago

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How do you do literal equations with fractions?

Serggg [28]

Ex.

f + g = y
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3

3(f+g) = (y) 3
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f + g =3y

f - f + g = 3y - f

g = y - f

5 0

2 years ago

In a study of computer use, 1000 randomly selected Canadian Internet users were asked how much time they spend using the Interne

Dvinal [7]

Answer:

b. Do not reject H0. We do not have convincing evidence that the mean weekly time spent using the Internet by Canadians is greater than 12.7 hours.

Step-by-step explanation:

Given that in a study of computer use, 1000 randomly selected Canadian Internet users were asked how much time they spend using the Internet in a typical week. The mean of the sample observations was 12.9 hours.

$H_0: \bar x =12.7\\H_a: \bar x >12,7$

(Right tailed test at 5% level)

Mean difference = 0.2

Std error = $\frac{6}{\sqrt{1000} } \\=0.1897$

Z statistic = 1.0540

p value = 0.145941

since p >alpha we do not reject H0.

b. Do not reject H0. We do not have convincing evidence that the mean weekly time spent using the Internet by Canadians is greater than 12.7 hours.

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2 years ago