Answer:
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Step-by-step explanation:
Answer:
correct ans is option/graph Dbecoz 36/3 = 12
It's more easy, from the first question you already know the equations, you want to find S, so you have to find those two equations intersection, which means:
1/2x-1=-2x+9
1/2x+2x=9+1
2.5x=10
x=4
then put x=4 in to any of the equation: y=-2x+9. x=4
y=-2x4+9
y=-8+9
y=1
so the coordinate of S is (4,1)
The fish box is 6 * 6 * 4 = 144 cubic square inches
144 = one box so divide 3456 by 144 to see how many boxes will go into the aquarium
3456 / 144 = 24
24 boxes of fish food could fit in the aquarium
Answer: d) 12 ft
Step-by-step explanation:
Let x be the width of the room , the the length of the room will be 2x.
We consider the shape of room is rectangle.
We know that the area of rectangle is given by :-
, where l is length and w is width.
Given : Area of the room is 288 square feet
Since, width cannot be negative, so the width of the room = 12 feet.