Mary has a rectangular driveway. She measures it and finds out it is 14 1/4 feet long by 17 1/2 feet wide. She wants to know how
1 answer:
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Answer:
1) 8
2) 450 ft^2
Step-by-step explanation:
Each triangle takes half a square worth of space, so if you add up 2 triangles for 1 square that is 1/4 of the area, multiply that by 4 and you get 8 cameras.
The left over space in the store is the same amount of space as all the cameras space added together since each camera takes up half a square. That way 4 cameras(each 112.5 ft^2 each) equals 1/2 of the room which added together is 450 ft^2, the other half would be the left over space, 450 ft^2.
Evaluate this...
the x at the bottom cancels out one of the xs at the top so it will be
Now the one cancels out one of the 1s in the -4 so
Hope this helps :)
the x at the bottom cancels out one of the xs at the top so it will be
Now the one cancels out one of the 1s in the -4 so
Hope this helps :)