5+1x10 is the answer 60 or 15? there are no parenthesis***

For this case we have the following expression:

In agreement, with the hierarchical order of the operations, we have that the multiplication in an algebraic expression, is done first that the sum.

We have then:

The answer for the given expression is:

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: