218k views
5 votes
Evaluate 4 a + 5 b when a=3 and b= -1.2

User Yamil
by
5.2k points

2 Answers

3 votes

Answer:

6

Explanation:

Plug the values of a and b into the equation.

4(3) + 5(-1.2)

12 + (-6)

Adding negatives basically means subtracting, so...

12-6 = 6

Therefore your answer is 6

Hope this helps!

User Daniel Wehner
by
4.4k points
1 vote

Answer:

6

Explanation:

4 a + 5 b

a=3 and b= -1.2

4(3) +5(-1.2)

12 +-6

6

User ChoNuff
by
5.5k points