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Elena L [17]
3 years ago
8

Evaluate x – 2y if x = –3 and y = –6.

Mathematics
2 answers:
sveticcg [70]3 years ago
7 0
X - 2y
-3 - 2(-6)
-3 + 12
9
Doss [256]3 years ago
4 0
X - 2y 

x = -3 and y = -6

-3 - 2(-6)
-3 + 12
9

Answer: 9
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What is the inverse of the following statement?
Ksju [112]

The inverse of the statement is 'If it is Wednesday, then it is not sunny'

<h3>What is the inverse of a word?</h3>

The inverse of a word is simply the contrary nature or quality and could be termed opposite or  reverse of a proposition or theorem that is formed by'

  • contradicting both the subject and predicate
  • Contradicting both the hypothesis and conclusion of a given proposition or theorem

For instance, the inverse of "if A then B" is "if not-A then not-B"  and 'if not A, then B" is 'If A, not B ' is termed a compare contrapositive

From the information given, we have;

'If it is not Wednesday, then it is sunny'

We can see that the inverse of the proposition is;

'If it is Wednesday, then it is not sunny'

Thus, the inverse of the statement is 'If it is Wednesday, then it is not sunny'

Learn more about inverse here:

brainly.com/question/14391067

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6 0
2 years ago
what does democracy mean and how do we practice it in the United States of America ​PLEASE HELPPP!!!!
Maslowich

Answer:

a system of government by the whole population or all the eligible members of a state, typically through elected representatives. The United States is one of the world's developed democracies where third parties have the least political influence. The federal entity created by the U.S. Constitution is the dominant feature of the American governmental system.

Step-by-step explanation:

5 0
3 years ago
The perimeter of an equilateral triangle is 27 centimeters. Find the altitude of the triangle
Naily [24]
7.79cm It is an equilateral triangle so it has 3 equal sides. That means each side is 9cm. <span>
Now draw a line from the top of the equilateral triangle to the base, and dividing it into two. You will have made two smaller triangles, with sides 9, 4.5, and h (the one you want to find). 

A line drawn from the apex of an equilateral triangle to the midpoint of the base is perpendicular to the base, so you can use Pythagoras' Theorem! 

4.5^2 + h^2 = 9^2 
h = sqrt(9^2 - 4.5^2) 
Therefore, the height is 7.79cm (2 decimal places)</span><span>
</span>
4 0
3 years ago
Please interact if you know the answer!
IRISSAK [1]

Answer:

Step-by-step explanation:

1.

The supplementary angles to ∠x are adding to 180° and are ∠HGC and ∠BGA

2.

If ∠DGE = 90° , then  

∠CGD is also 90° because ∠DGE and ∠CGD are a linear pair and

∠HGC is also 90° because ∠DGE and ∠HGC are vertical angles

6 0
3 years ago
Simplify (4x - 6) - (3x + 6).<br> Ox- 12<br> O -X- 12<br> Ox+ 12<br> 0-x + 12
bazaltina [42]

Answer:

Ox-12

Step-by-step explanation:

6 0
3 years ago
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