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Svetlanka [38]
3 years ago
15

The sum of a rational number and a irrational number​

Mathematics
1 answer:
Zanzabum3 years ago
5 0

Answer:

positive number

Step-by-step explanation:

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Solve the following inequality.<br> 2x + 2(x+5) &lt;+4(8 – 20)
Ilia_Sergeevich [38]

Answer:

x <-14.5

Step-by-step explanation:

2x + 2(x+5) <+4(8 – 20)

Distribute

2x+2x+10 < 4 (-12)

4x +10 < -48

Subtract 10 from each side

4x+10-10 <-48-10

4x< -58

Divide each side by 4

4x/4 < -58/4

x <-14.5

3 0
3 years ago
Use the pythagorean theorem to solve the problem. Round your answer to the nearest tenth if necessary.
lyudmila [28]
4^2 + b^2 = 12^2
16 + b^2 = 144
B^2 = 144-16
B^2 = 128
B= 11.3
7 0
3 years ago
A company has 10 men qualified to run a machine that requires 3 operators at a time. find how many groups of 3 operators are pos
anzhelika [568]

The number of possible groups or combination of three men can be formed from 10 is 120.

According to the given question.

Total number of men in a company, n = 10.

Number of men to be selected, r = 3

As we know that, What is a combination in math?

Image result for what is combination

A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.

Therefore, the number of possible groups or combination of three men can be formed from 10

= ^{10} C_{3}

= 10!/ 3!7!

= 10(9)(8)/3(2)

= 5 × 3 × 8

= 120

The number of possible groups or combination of three men can be formed from 10 is 120.

Find out more information about number of possible groups or combination here:

brainly.com/question/3854382

#SPJ4

6 0
1 year ago
What is -6 divided by 3/7x
Sphinxa [80]

Step-by-step explanation:

- 6  \div   \frac{3}{7x}  \\  \\  =  - 6 \times  \frac{7x}{3}  \\  \\  =  - 2 \times 7x \\  \\  =  - 14x

8 0
3 years ago
What's happening to this graph when the X values are between 4 and 8?
Korolek [52]
Hello!

On the graph, when the X values are between 4 and 8, they are being constant. The X values between 4 and 8 are constant because the line shown between 4 and 8 on the graph show the line as a straight line. It is not going up nor is it going down, so you can conclude that the X values are not increasing or decreasing.

I hope this helps!
5 0
3 years ago
Read 2 more answers
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