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algol13
3 years ago
5

Find the solutions of this system of equations 10x-5y=-20 7x-5y=-26

Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

Answer:

i think $25.00

Step-by-step explanation:


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How many people own a SUV?<br> A. 4<br> B. 42<br> C. 420<br> D. 4,200
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For this, no math is even needed! The question says 1,000 people were interviewed. 42% percent of that 1,000 owns an SUV. If it's a percent, it is 42/100, right? Now we have to make that 42/100 out of 1000. We add a zero to the 100 on the bottom (42/1000). We do the same thing on the top. Add a zero! 420. 

SECOND POSSIBLE SOLUTION
Solve this with logic! 42% is nearly 50%. Half of 1,000 is 500. What is closest to 500? 420! This solution is even easier.

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If a firm produces nothing which of the following costs will be zero?
matrenka [14]
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Step-by-step explanation:

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