3 years ago

Which statements are true about reflections? Check all that apply.

Mathematics

1 answer:

Bad White [126]3 years ago

8 0

1,2,3, and 5 are correct

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Please solve for x. (-:<br><br> Also please show me a step-by-step, thanks! uwu

Stells [14]

Answer:

$x=27$

Step-by-step explanation:

we know that

$(3x+9)^o+90^o=180^o$ ----> by supplementary angles (form a linear pair)

Solve for x

Combine like terms

$(3x+99)^o=180^o$

subtract 99 both sides

$3x=180-99\\3x=81$

Divide by 3 both sides

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