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emmasim [6.3K]
4 years ago
14

If a number is divisible by 2, then it is even. What is the inverse of this statementWhat is the inverse of this statement?

Mathematics
2 answers:
Ahat [919]4 years ago
8 0
<h2>Answer:</h2>

The inverse of this statement is:

  •  If a number is not divisible by 2, then it is not even.
<h2>Step-by-step explanation:</h2>

We know that for a given conditional statement:

           If p then q

i.e.   p → q

where p is the hypothesis of the statement and q is the conclusion of the statement.

the inverse of this statement is:

    if  not p then not q

i.e. ~p → ~ q

We are given statement as:

If a number is divisible by 2, then it is even.

i.e. p=A number if divisible by 2

and q= it is even.

~p= A number is not divisible by 2

and ~ q= number is not even.

          Hence, the answer is:

If a number is not divisible by 2, then it is not even.

tia_tia [17]4 years ago
3 0
Since this statement is in the form of an implication (if...then) and the inverse of an implication is ~p->~q then the answer would be: 
If a number is not divisible by 2, then the number is not even. 
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Read 2 more answers
A regression was run to determine if there is a relationship between the happiness index (y) and life expectancy in years of a g
Natasha2012 [34]

Answer:

(A) y=-0.762+0.119x

(B) If a country increases its life expectancy, the happiness index will increase.

(C) If the life expectancy is increased by 3.5 years in a certain country, the happiness index will increase by 0.4165.

(D) If the life expectancy is 67 years in a certain country, the happiness index will be 7.21.

Step-by-step explanation:

A regression analysis was performed to determine if there is a relationship between the happiness index (y) and life expectancy in years of a given country (x).

The output of the regression analysis are as follows:

a = -0.762

b = 0.119

r² = 0.8649

r = 0.93

(A)

The equation of the Least Squares Regression line of the form y = _ + _ x is:

y=-0.762+0.119x

(B)

The correction between the variables happiness index (y) and life expectancy in years of a given country (x) is, 0.93.

The correlation coefficient is positive. This implies that there is a positive relation between the two variables, i.e. as the value of life expectancy in years increases the happiness index also increases.

Thus, if a country increases its life expectancy, the happiness index will increase.

(C)

Compute the value of y for x = x + 3.5 as follows:

y=-0.762+0.119x

  =-0.762+0.119\times (x+3.5)\\\\=(-0.762+0.119x)+0.4165\\\\=y+0.4165

Thus, if the life expectancy is increased by 3.5 years in a certain country, the happiness index will increase by 0.4165.

(D)

Compute the value of y for x = 67 as follows:

y=-0.762+0.119x

  =-0.762+0.119\times 67\\\\=-0.762+7.973\\\\=7.211\\\\\approx 7.21

Thus, if the life expectancy is 67 years in a certain country, the happiness index will be 7.21.

6 0
4 years ago
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