(false converses) write down the converse of each conditional statement about the integers. then give a reason why the converse is false.

if x is odd and y is odd, then x + y is even.

Converse: “If x+y is even, then x is odd and y is odd”

FALSE

Step-by-step explanation:

The converse of

“If x is odd and y is odd, then x+y is even”

is

“If x+y is even, then x is odd and y is odd”

The converse is false.

Counter-example:

Take x = 2, y = 4

Then x+y = 6 which is even, but neither x nor y are odd.

  21.3

step-by-step explanation:

multiplying the given equation by c/sin(25°), we get

  c = 9/sin(25°) ≈ 21.2958 ≈ 21.3

we assume "c" is the length of ab, the side opposite angle c in triangle abc.

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