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Illusion [34]
4 years ago
12

Is 9.99 rational or irrational

Mathematics
1 answer:
aleksley [76]4 years ago
6 0

Answer:

Rational

Step-by-step explanation:

A rational number can be written as a fraction of the form.

\frac{a}{b}  \: where \: b \ne0

and a and b are integers.

9.99 =  \frac{999}{100}

Hence in this case a=999 and b=100.

Since both are integers with b being a non-zero integer, we conclude that 9.99 is a rational number.

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What is the volume of a cone that has a diameter of 18 centimeters and a height of 12 centimeters?
sveta [45]

Answer:

1018.28

Given -

Diameter of cone = 18 cm

To get the radius divide it by 2 -

Radius, r = 18/2 = 9

height, h = 12 cm

To find -

Volume of cone.

Solution -

Volume = 1/3 hπr²

→ V = 1/3 18 × 22/7 × 9 × 9

→ V = 7128/7

→ V = 1018.28

Therefore, the volume of the cone is 1018.28.

5 0
3 years ago
Read 2 more answers
the average daily maximum temperature is 21.85 Celsius and the average daily minimum temperature is -4.7 Celsius the average dai
WITCHER [35]

Hello.


To find the answer you will have to add them then divide by 2.


So if you add 21.85+-4.7 you will get the answer of 17.15.


Then divide by two to get 8.575


The answer is: 8.575 Celsius


Have a nice day

8 0
3 years ago
Can the sides of a triangle have sides of 5, 8, and 16 ???
Nata [24]

Answer:

No.

Step-by-step explanation:

The triangle inequality theorem states that the sum of two sides of a triangle must be greater than the third side.

5 + 8 = 13.

13, which is the sum of two sides, is not larger than 16, the third side.

Therefore, a triangle cannot have these side lengths.

4 0
3 years ago
Find a<br> rational number between 3 and pi
olchik [2.2K]

Answer:

3.1

Step-by-step explanation:

8 0
3 years ago
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Someone plz help T^T
Ulleksa [173]

Answer:

The answer is 157 1/2 ( ╹▽╹ )

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