7. a figure has a perimeter of 12 units. which
describes the perimeter of the figure after a
dilation with a scale factor of 47
a. 3 units
b. 24 units
c. 48 units
d. 192 units

Correction, the scale factor is 4 not 47

Option C

48 units

Step-by-step explanation:

Since the perimeter is initially 12, assume the figure is square hence the length and width will be 12/4=3 units

When dilated 4 times, the new dimensions will be 3*4=12

The perimeter of the same square will be 4*12=48 units

Therefore, the answer is 48 units

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step-by-step explanation:

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)