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2 years ago

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The expression 2(l + w) is used to calculate the perimeter of a rectangle, where I is length and w is width. If the length is 2/

5 unit and the width is 1/5 a unit, what is the perimeter of the rectangle in units?
3/5
1
1 1/5
2 3/5

1 answer:

Ksju [112]2 years ago

8 0

Answer:

I think it is 1

Step-by-step explanation:

I am sorry if it is not correct

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Answer:

Charlie should use a stopwatch with minutes and seconds

Step-by-step explanation:

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2 years ago

Line segment AB has endpoints A(-1.5, 0) and B(4.5 8). Point C is on line segment AB located at (0, 2)

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Answer:

The ratio of AC/CB=1/3

Step-by-step explanation:

We use the section formula:

$(\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n})$

We substitute the point A(-1.5,0) and B(4.5,8).

We plug in the points to get:

$(\frac{4.5m - 1.5n}{m+n},\frac{8m+n \times 0}{m+n})$

This is supposed to be equal to: (0,2).

$(\frac{4.5m - 1.5n}{m+n},\frac{8m+n \times 0}{m+n}) = (0,2)$

We can equate, corresponding coordinates to find m and n.

$\frac{4.5m - 1.5n}{m + n} = 0$

This implies that:

$4.5m - 1.5n = 0$

$4.5m = 1.5n$

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$\frac{m}{n} = \frac{1}{3}$

Therefore the ratio is m:n=1:3

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2 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

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Step-by-step explanation:

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2 years ago