Answer:
X_2
Step-by-step explanation:
X_2/5+2X+1/2= 12x_1/10
Answer:
2
Step-by-step explanation:
The reciprocal of a number n is 
Here n = 0.5, then reciprocal is
= 2
Equals meter minute 20 cm/s
Answer:
A.
Step-by-step explanation:
for (10,5)
5 - 5 = 2(10 - 10) = 0
for (4,-7)
-7 - 5 = 2(4 - 10) = -12