Answer:
24+9h=42
Subtract 24 from both sides:
9h=18
Divide both sides by 9:
h=2
It will be completed after 2 hours.
Step-by-step explanation:
For
y=ax²+bx+c
the x value of the axis of symmetry is -b/(2a)
so test them
A., -b/(2a)=-(-8)/(2*-2)=8/-4=-2, yep
B. -b/(2a)=-2/(2*1/2)=-2/1=-2, yep
C. -b/(2a)=-(-16)/(2*4)=16/8=2, nope, need -2
D. -b/(2a)=-12/(2*3)=-12/6=-2, yep
answer is C
Answer:
9/18
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
angles on a straight line are 180 so u do 180 minus 47 gives u 133
2nd one because it’s not a lot of big number I hope it helps
