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OLEGan [10]
3 years ago
6

0.8 is it at rational number ___ 2

Mathematics
2 answers:
dexar [7]3 years ago
8 0

Yes, it is a rational number

Rational numbers are mainly whole numbers, negative or positive.

Irrational numbers are like Pi.

Its an endless nonsense of numbers.

HOPE THIS HELPS!

Alina [70]3 years ago
5 0

Answer:

0.8 is an ineteger of two values so YES it is a RATIONAL number

Step-by-step explanation:

I hope this helped and if it did I would appreciate it if you marked me Brainliest. thank you and have a nice day!

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<img src="https://tex.z-dn.net/?f=%28%20-%207x%20%2B%201%29%20-%20%284x%20%2B%205%29" id="TexFormula1" title="( - 7x + 1) - (4x
riadik2000 [5.3K]

Answer:

-11x-4 is the answer if the expression to simplify is (-7x+1)-(4x+5).

Step-by-step explanation:

We are first going to distribute to get rid of the ( ):

-7x+1-4x-5

Pair up like terms:

-7x-4x+1-5

Combine the like terms:

-11x-4

3 0
3 years ago
The sum of three numbers is 108. The second number is 4 times the third. The first number is 6 more than the third. What are the
Dvinal [7]

Answer:

The numbers are <u>23, 68 and 17</u>.

Step-by-step explanation:

Given:

The sum of three numbers is 108.

The second number is 4 times the third.

The first number is 6 more than the third.

Now, to find the numbers.

Let the third number be x.

The second number be 4x.

And the first number be 6+x.

According to question:

(6+x)+4x+x=108

<em>Now adding the variables we get:</em>

⇒6+6x=108

<em>Subtracting both sides by 6 we get:</em>

⇒6x=102

<em>Dividing both sides by 6 we get:</em>

⇒x=17.

Third number =  17.

Second number =  4x=4\times 17=68.

First number = 6+x=6+17=23.

Therefore, the numbers are 23, 68 and 17.

4 0
3 years ago
Geometry: Write a formal proof, ASAP!!!
yulyashka [42]

{\qquad\qquad\huge\underline{{\sf Answer}}}

Here we go ~

As we can see in the figure, lines m and n are parallel to each other. so we can apply Angle pair properties ~

So,

\qquad \sf  \dashrightarrow \:  \angle1  \cong \angle2

[ they form corresponding angle pair ]

and it's given that :

\qquad \sf  \dashrightarrow \:  \angle2 \cong\angle 3

therefore, by using above information. we can conclude that :

\qquad \sf  \dashrightarrow \:  \angle1 \cong \angle3

7 0
2 years ago
In a survey 9 out of 15 students named math as there favorite class. express this rate as a decimal
liraira [26]
The answer will be 9.15
4 0
3 years ago
Read 2 more answers
Calvin's shelves hold 17 books each. How many shelves will
Ghella [55]

Answer:

I think about 14 books on each shelf because you divide 232 by 13, which rounds to 14

Step-by-step explanation:

plz mark me as brainliest

4 0
3 years ago
Read 2 more answers
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