Answer:
1-4x
Step-by-step explanation:
Answer:
Top row, third one from left to right
Step-by-step explanation:
Use test points:
when x = 0 , y = 2(0) - 4 = 0 - 4 = -4
(0, -4)
when y = 0, 0 = 2x - 4, 4 = 2x, 2 = x
(2, 0)
Top row, third one from left to right
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Answer:
Step-by-step explanation:
5 - (x + 5) > -2(x + 4)
5 - x - 5 > -2x - 8
-x > -2x - 8
-x + 2x > -8
x > -8
Answer:
0.52 km
Step-by-step explanation:
We are given that
Speed of object, v=![9\frac{9}{10}km/h](https://tex.z-dn.net/?f=9%5Cfrac%7B9%7D%7B10%7Dkm%2Fh)
Speed of object, v=![9+0.9=9.9km/h](https://tex.z-dn.net/?f=9%2B0.9%3D9.9km%2Fh)
Distance travel by object, s=![5\frac{1}{10}km](https://tex.z-dn.net/?f=5%5Cfrac%7B1%7D%7B10%7Dkm)
Distance travel by object, s=![5+0.1=5.1km](https://tex.z-dn.net/?f=5%2B0.1%3D5.1km)
We have to find the time taken by object to travel 5 1/10 km.
We know that
![Time=\frac{Distance}{speed}](https://tex.z-dn.net/?f=Time%3D%5Cfrac%7BDistance%7D%7Bspeed%7D)
Using the formula
Time taken by object to travel 5.1 km =![\frac{5.1}{9.9} hr](https://tex.z-dn.net/?f=%5Cfrac%7B5.1%7D%7B9.9%7D%20hr)
Time taken by object to travel 5.1 km=0.52 hr