Which of the following is a rational number but not an integer?

13, -187, -6/7, or 48

Step-by-step explanation:

As,

Integers includes whole numbers, and negative of the whole numbers.

And Rationals includes every fraction, Integers and negative fraction.

So,

-187, 47, and 13 are both Integers and Rationals.

But,

Only -6/7 is a negative fraction included only in rationals and not in Integers

this is false ^.^ lol

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: