Which ordered pair represents a point on the line y = 2x + 1

(1, 3 )

Step-by-step explanation:

Choose any value of x, substitute into the equation for y

Choose x = 1 , then

y = 2(1) + 1 = 2 + 1 = 3

Then (1, 3 ) is an ordered pair on the line

answer:   28.56 feet (approx)

step-by-step explanation:

since, triangle abc has measure of angle c equal to 55 degrees, measure of angle abc equal to 90 degrees, and length of bc equal to 20 feet.

we have to find out the measurement of segment ab.

therefore, tan 55° =

but bc = 20 feet.

⇒ tan 55 ° =  

⇒ ab = 20 × tan 55 °

⇒ ab = 20 × 1.42814800674

⇒ ab = 28.5629601348   ≈ 28.56 feet

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step-by-step explanation:

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