Find the value of x in the triangle shown below.

x = 36°

Step-by-step explanation:

We know that the sum of all the interior angles in a triangle add up to 180°.

So in order to find the value of x, we have to:

x° + 97° + 47° = 180°

x° + 144° = 180°

x° = 180° - 144°

x° = 36°

problem:

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

f(5/2) = 10/3

i hope this !