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xxTIMURxx [149]
3 years ago
13

Is 0.7777.... a rational or irrational number and why

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
6 0

Answer:

irrational.

Step-by-step explanation:

0.7777... repeats and does not end so it is irrational

Darina [25.2K]3 years ago
5 0

Answer:

It is rational because it can be expressed as a fraction

Step-by-step explanation:

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A can of pineapple juice is a cylinder with a radius of 2.4in.and a height of 11 in. what is the area of the label around the ca
chubhunter [2.5K]
\bf \textit{lateral surface area of a cylinder}\\\\
A=2\pi r h\qquad \begin{cases}
r=radius\\
h=height\\
-----\\
r=2.4\\
h=11
\end{cases}\implies A=2\pi (2.4)(11)\implies A=52.8\pi
4 0
3 years ago
Mr. Smith offered to stay after school for an extra help session. The day after the
marissa [1.9K]

Answer:

132 students

Step-by-step explanation:

Mr Smith offers to take extra help session for students after school

The day after the help session 11 of his students were talking and found out that only 2 had stayed up for the help session

= 2/11

There were actually a total number of 24 students that stayed

We are asked to find the number of student that Mr Smith teaches throughout the day

Let x represent the number of students that were taught during the day

Therefore, the number of student that Mr Smith teaches during the day can be calculated as follows

2/11=24/x

Cross multiply both sides

2 × x = 24 × 11

2x= 264

Divide both sides by 2

2x/2=264/2

x= 132

Hence Mr Smith teaches 132 students during the day.

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Step-by-step explanation:

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