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kaheart [24]
3 years ago
11

In the following proportion, what does w equal? 3/4 = w/28 A. 7 B. 8 C. 18 D. 21

Mathematics
2 answers:
DIA [1.3K]3 years ago
7 0
W=21
To get from 4 to 28 you multiply by 7, so 3x7=21.
VashaNatasha [74]3 years ago
6 0

Step-by-step explanation:

\frac{3}{4}  =  \frac{w}{28}

\frac{3}{4}  =  \frac{w}{4 \times 7}

3 =  \frac{w}{7}

w = 21

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To determine the perimeter of the pentagon, you must first calculate a side length of it. Let's name the coordinates A(-1,4) and B(2,3).

To figure out how far the points are from each other, you have to use the distance formula:
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P = 5×side length
 
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Perimeter = 5×\sqrt{10}

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