Answer:
C) 16 cm^2
Step-by-step explanation:
scale is 1:8 so 2 cm^2x8=16
Answer:
c>6, since a negative coefficient reverses the sign
Step-by-step explanation:
7-c<1
-c<-6
c>6
Answer:
2 17/20
Step-by-step explanation:
1 7/10+1 1/2=1 7/10+1 10/20=2 17/20
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Answer:
x=5/2 + a/2, y= 5/2 - a/2
Step-by-step explanation:
We can solve this system using addition of the equations
x+y=5
<u>x-y=a</u>
2x =(5+a)
x=(5+a)/2= 5/2 +a/2
x=5/2 +a/2
x-y=a
y = x - a , x=5/2 + a/2
y= 5/2 + a/2-a
y= 5/2 - a/2
