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Ahat [919]
3 years ago
6

Which of the following systems of equations is an example of one where substitution is the best method?

Mathematics
2 answers:
lana66690 [7]3 years ago
6 0

Answer:

y = 2/7x +11

3x-4y = -24

Step-by-step explanation:

We would want to use substitute on the last set of equations since the first equation is already solved for y.  It is easy to substitute for y in the second equation

blondinia [14]3 years ago
3 0

Answer:

The answer is option D.

I hope this helps.

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Ardie bought 547 acres of land for development. If 29 acres of his purchase is reserved for a park, how many two-acre building l
9966 [12]

Hey there!


First, is he used 29 out of the 547 for a park, he can't use them for two acre building lots, so we must subtract:


547-29 = 518


If we want to know how many 2 acre building lots we can sell, we can divide 518 by 2, as dividing it by 2 sees how many times 2 goes into 518- essentially how many two acre lots are in 518 acres.


This gives us 259 two-acre building lots.


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