A jeweler had a piece of silver that weighed 196.54 grams. she used 98.6 grams to make some jewelry. How many grams of silver did she have left?

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step-by-step explanation:

5.25 ounces

step-by-step explanation:

divided 3/4 and 6

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

part a: 1.08

part b: 27.59