3 years ago

In how many different ways can 8 books be arranged on a shelf?

1 answer:

5 0

You can stack the eight books on top of each other is one way. And then you can changed the order of how you stack the book 64 different ways. You can also do this vertically standing up. With the spin of the book facing in or out. You can arrange the. By height, color, alphabetically, thickness, year published... basically any individual characteristic they can have can be a way you stack a book.

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You have a cake that is 10 inches in diameter. You expect 12 people to share it, so you cut it into 12 equal slices. Before you

Karo-lina-s [1.5K]

Answer:

3.5355 inches

Step-by-step explanation:

Area should be same the concentric circle and rest piece .

let's consider the radius of concentric circle as r

so it's area is π r²

area of whole circle is π (5)" ( because diameter is 10 inches)

so the area of rest piece is π (5)² - π r²

π (5)² - π r² = π r²

5² = 2r²

r² = 25/2

r = √(25/2)

r = 3.5355 inches

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3 years ago

Hannah buys 2 and one half pounds of dried fruit for $1.50. how much is she paying for one pound of dried fruit?

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She is paying $0.6 for one pound of dried food. Hope it help!

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3 years ago

Write an equation of the line that passes through the given point, (1, 2).

Fiesta28 [93]

Answer:

Step-by-step explanation:

eq. of any line through (1,2) with slope m is

y-2=m(x-1)

if the line is parallel to x-axis then y=2

if the line is parallel to y-axis then x=1

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3 years ago

How do you divide 40 in the ratio 3:5 ?

zalisa [80]

Answer:

15:25

Step-by-step explanation:

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Dominic is signing up for a gym membership with a one-time fee to join and then a monthly fee to remain a member. The total cost

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