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Paha777 [63]
3 years ago
15

Helppppppppppppppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
Andrei [34K]3 years ago
8 0

Answer: 80% of the air is made up of other gases.

Step-by-step explanation:

1/5 = 2/10. There are 8/10 left over which is 80%. Hope this helps!

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yuri has a rope 12 meters long. he cuts it into pieces that are each 2 meters long. what fraction of the rope is one piece
Lelu [443]
So the numerator of your fraction (the top number) is the amount that was cut. The denominator (the bottom number) is the total amount of rope. So, your fraction would be 2/12. You can still simplify that by dividing both the numerator and denominator by 2 and end up with 1/6. Does that make sense? If you need any more help, go ahead and message me :)
6 0
3 years ago
Please help me with this 3x=9
fenix001 [56]

Answer:x = 3

Step-by-step explanation:

X =9/3

X=3

6 0
3 years ago
Read 2 more answers
The product of two irrational numbers is. Rational
Snowcat [4.5K]

Answer:

So the statement:

"The product of two irrational numbers is rational." is false.

Step-by-step explanation:

The product of two irrationals can be irrational or rational.

Example:

\sqrt{2} \cdot \sqrt{2}=2

\sqrt{2} is irrational but when you multiply it to itself the output is rational.

Example:

\sqrt{2} \cdot \sqrt{3}=\sqrt{6}

\sqrt{2} \text{ and } \sqrt{3} are irrational and when you multiply them you get an irrational answer of \sqrt{6}.

So the statement:

"The product of two irrational numbers is rational." is false.

5 0
3 years ago
Add the two expressions.<br><br> 2x + 6 and 6x −1<br><br> Enter your answer in the box.
MA_775_DIABLO [31]

Answer:

8x +5

Step-by-step explanation:

The sum is found by combining "like" terms—those that have the same arrangement of variables.

The first expression, 2x +6, has terms 2x and 6.

The second expression, 6x -1, has terms 6x and -1.

In each case, the first term listed is first-degree in the variable x. These are "like" terms, so can be added:

... 2x +6x = (2+6)x = 8x

The second term listed in each case is a constant. These are "like" terms, so can be added:

... 6 + (-1) = 5

Then the sum of the given expressions is the sum of the results from adding like terms:

... 8x + 5

4 0
3 years ago
The figure shows a pair of parallel line segments on a coordinate grid:
VashaNatasha [74]
Can someone help me with this please and thanks !!

5 0
2 years ago
Read 2 more answers
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