A student's work to simplify a radical is shown below. Select the statement which best applies to the sample mathematical work.
54 = 27-2
27.2 = 32
Thus, 54 = 3/2
A. The equality : 54 = 27.2 is incorrect or invalid.
B. Removing the 27 from under the radical in the second step is incorrect or invalid.
C. The work shown above is correct, however 3/2 may be simplified further.
D. The work shown above is correct, and 3/2 may not be simplified further.

step-by-step explanation:

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step-by-step explanation:

the answer would be 44.79

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step-by-step explanation:

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.