Use substitution to solve the system of equations.

(0, 2)

Step-by-step explanation:

12.5x + 2.5y = 5

y = 5x + 2

12.5x + 2.5(5x + 2) = 5

12.5x + 12.5x + 5 = 5 (distribution property)

25x = 0 (combined like terms)

x= 0

y = 5(0) + 2

y = 2

check

12.5(0) + 2.5(2) = 5

5 = 5

Yes

B)

I would use the first equation (y = 5x + 2) to substitute into the second equation (12.5x + 2.5y = 5) because it is already (y = ...) so it is easier to insert it into the second equation.

22.83 repeating

step-by-step explanation:

137 ÷ 6 is 22.8333333 therefore we understand that 3 is repeating.

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answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.