You have a truck with two gas tanks. the volume of the larger tank is "8x2 + 2x − 1" in3 and the volume of the smaller tank is "7x2 − 2x + 1" in3. find a single expression that represents the capacity of both gas tanks combined

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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