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slamgirl [31]
2 years ago
8

If m∠A = m∠B and m∠A + m∠C = ∠D, then m∠B + m∠C = ∠D Which property is shown?

Mathematics
1 answer:
Ad libitum [116K]2 years ago
6 0

Answer:

Substitution Property

Step-by-step explanation:

So we know that:

m\angle A=m\angle B

And we also know that:

m\angle A+m\angle C=\angle D

And by using a specific property, we get that:

m\angle B+m\angle C=\angle D

Essentially, we <em>substituted</em> B for A.

So, this is an example of the substitution property, where if two sides/angles are congruent, we can substitute them for each other.

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Answer:

6x+20

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Step-by-step explanation:

If f(x)=6x+2 and you are asked to find f(x+3), then you just replace all the x's in f(x)=6x+2 with (x+3).

Doing this gives you:

f(x)=6x+2        with new input (x+3) in place of out input (x)

f(x+3)=6(x+3)+2

f(x+3)=6x+18+2

f(x+3)=6x+20

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Show your work (19−7)^( (2) ) −8*3+4*3−5
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Answer:

Step-by-step explanation:

1 Simplify 19-7 to 12.

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2 Simplify 12^2 to 144

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4 Simplify 4×3 to 12.

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