53.5k views
3 votes
7j+5-8k
when j=0.5 and k=0.25

2 Answers

6 votes

Answer:

6.5

Explanation:

User Littlegreen
by
7.6k points
4 votes

Answer:

6.5

Explanation:

To perform this kind of exercise, it is necessary to replace the value indicated in each variable each time you find the variable in the equation.


7j+5-8k

If j=0.5 and k=0.25, replace the value of each variable.


7(0.5)+5-8(0.25)=

now perform the indicated operations


7(0.5)+5-8(0.25)=3.5+5-2=6.5

User Mely
by
8.1k points