Answer:
the third option: x + 2(2x - 4) = 10
Step-by-step explanation:
the question tells you that y = 2x - 4.
so, instead of writing y in the equation, just replace it with 2x - 4.
x - 2y = 10
becomes
x - 2(2x-4) = 10
Answer:
H=8
Step-by-step explanation:
12.2H-7.15=90.45
12.2H=90.45+7.15
12.2H=97.6
H=8
First see if there is a constant rate of change...
(344.8-346)/(2-0)=-0.6
(343-344.8)/(5-2)=-0.6
So the rate is constant which means this is just a line of the form y=mx+b
m=-0.6 and since we see that (0,346) we know the y-intercept, "b", is 346 so our line is:
y(x)=-0.6x+346
y(4)=343.6 ft
y(9)=340.6
All the angles have to equal 180. If you add the two angles you get 140. You take 180 and subtract 140 and it equals to 40. The missing angle is 40 degrees.
Answer:
5 hours and 30 min.
Step-by-step explanation:
90/60 = 1.5 = 1 hour and 30 min.
200/50 = 4 = 4 hours
1.5 + 4 = 5.5 = 5 hours and 30 min.
