saratheuneducated19 saratheuneducated19

13-09-2019
Mathematics

contestada

evaluate the following expressions for a=-3 | b=1/2 | c= 3/5 | d=-4.
1. 2a +2b
2. 5ac-2b
3. 2b/a

Respuesta :

anandkarki58p59w0o anandkarki58p59w0o

17-09-2019

Step-by-step explanation:

1.= 2×-3+2×1÷2

= -6+1

=-5

2. 5×-3×3÷5-2×1÷2

=-9-2

=-11

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