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3 years ago

12

A model railway train is designed using a scale factor of 1:87. If the model train is 4 inches , how many feet long is the actua

l train

1 answer:

goblinko [34]3 years ago

5 0

Answer:

The actual length of the train is 79 3/4 feet

Step-by-step explanation:

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Step-by-step explanation:

(1), (2) and (4)

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3 years ago

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A recipe that serves 6 uses 1 1/4 cups of flour. How many cups are needed to serve 8?

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Answer:1 2/3

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2 years ago

Square ABCD has side length a. Half circles with

Inga [223]

The area of the shaded region is $0.215a^2$

<h2>Area of composite objects</h2>

The area of the shaded region is expressed according to the formula:

$A = A_s - A_c$

Get the area of the square As

As = a²

$A_c = \pi (0.5a)^2\\
A_c = 0.785a^2$

Take the difference in the areas

Area of the shaded part = $a^2-0.785a^2\\
$

Area of the shaded part = $0.215a^2$

Hence the area of the shaded region is $0.215a^2$

Learn more on area of composite objects here: brainly.com/question/22716761

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2 years ago