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vampirchik [111]
3 years ago
9

20 POINTS! Which of the following equations shows how substitution can be used to solve the following system of equations?

Mathematics
1 answer:
natima [27]3 years ago
5 0

Answer:

Is there a photo or no  

Step-by-step explanation:

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Step-by-step explanation:

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One solution!

Step-by-step explanation:

If we make a graph of the given equations, the lines will intersect at a point. We know that whenever lines intersect, it means the equations have one solution or a unique solution.

8 0
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On average, water flows over a particular water fall at a rate of 2.08 x 105 cubic feet per second. One cubic foot of water weig
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Answer:

  5.61×10^8 ton/day

Step-by-step explanation:

  (2.08×10^5 ft³/s)·(8.64×10^4 s/day)·(6.24×10^1 lb/ft³)/(2×10^3 lb/ton)

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We have expressed the answer using 3 significant digits, to match the precision of the rate and weight.

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Step-by-step explanation:

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