Question

Evaluate 7j+5-8k7j+5−8k7, j, plus, 5, minus, 8, k when j=0.5j=0.5j, equals, 0, point, 5 and k=0.25k=0.25k, equals, 0, point, 25.

Answer 1

The value of the expression will be 6.5

Explanation

Given expression is:  $7j+5-8k$

The values are given as:  $j= 0.5$ and $k=0.25$

For evaluating the above expression, we will just plug those given values into that expression and then simplify.

$7j+5-8k\\ \\ =7(0.5)+5-8(0.25)\\ \\ =3.5+5-2\\ \\ =3.5+3=6.5$

Answer 2

Answer:

6.5

Step-by-step explanation:

idk how to explain sorry