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Anna [14]
2 years ago
12

2(rt-4+2) when r=5 and t=2

Mathematics
1 answer:
Whitepunk [10]2 years ago
8 0

Answer:

8

Step-by-step explanation:

2(5x2-4+2)=2(10-4+2)=2x4=8

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If you're working with complex numbers, then I'm sure you're comfortable with plotting them on a complex-plane ... real part of the number along the x-axis, and imaginary part of the number along the y-axis.

When you look at it that way, your two points are simply two points on the x-y plane:

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The distance between them is

                       D  =  √ (difference in 'x')² + (difference in 'y')²

                           =  √  (6)² + (4)²

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                           =   √ (52)

                           =      7.211  (rounded)   
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liubo4ka [24]
53.73 rounded to the nearest whole number would be C) 54.

***hope this helps:) brainliest? ;)
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