2 years ago

Which of these describes a unique polygon?

Mathematics

1 answer:

PtichkaEL [24]2 years ago

4 0

The last one is correct

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Lyrx [107]

Answer:

Horizontal side: 7 ft

Vertical side: 12 ft

Area: 286 ft

Step-by-step explanation:

horizontal: 25 - 18 = 7

vertical: 10 + 2 = 12

area= (25x12) - (2x7) = 286

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2 years ago

Use a two variable write an equation for the total number of boys and girls is 428

padilas [110]

X = girls
Y = boys

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the diameter d in inches of a rope required to lift a weight of w tons is given by the function d = 10w π . How much weight can

faltersainse [42]

Answer:

wkldd

Step-by-step explanation:

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2 years ago

A spotlight on the ground shines on a wall 12 m away. If a man 2 m tall walks from the spotlight toward the building at a speed

Olegator [25]

Answer:

The length of shadow decrease at 0.48 m/s.

Step-by-step explanation:

The distance of man from building = x

Thus initially, x = 12

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Let the shadow height = Y

Now solve for the $dy/dt$ when x=4

from the diagram (triangle) it can be seen similar triangles with similar base/height ratios.

$\frac{2}{12-x} = \frac{y}{12} \\Y = \frac{24}{12 - x} \\ \frac{dy}{dt} = \frac{24}{(12-x)^{2}} \times \frac{dx}{dt} \\at x=4, dy/dt \ becomes: \\\frac{24}{(12-4)^2} \times -1.3 \\= -0.48 m/s$

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2 years ago

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amid [387]

Answer:

1339.75

Step-by-step explanation:

No, you will have remainder.

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2 years ago

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