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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A factory increased its production by 22.5% and produced 4900 tonnes .How many tonnes was it producing before?

Liono4ka [1.6K]

Answer:

It produced 3797.5 tons before.

22.5% of 4900 is 1102.5

That subtracted from 4900 is 3797.5 tons

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4 years ago

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How do you find total bill for simple interest

stepan [7]

Answer:

I=Prt, I=simple interest, P=principal (starting amount), r=interest as a decimal, t =number of times the interest is paid or "time"

For example the simple interest earned on a $1000 deposit earning 4% APR for ten years is:

I=1000(.04)10

I=$400.00

Step-by-step explanation:

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3 years ago

Let each Square represent 1/3 unit by 1/3 unit.

Varvara68 [4.7K]

(5/3)*(7/3) = 35*(1/3)²

The area is 35 square units.

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3 years ago

Marvin used a customary unit of measure to estimate the weight of a watermelon he grew in his backyard what could the estimated

Andrej [43]

Answer:

Usually pounds (lb) .About an an average of 20 to 25 pounds (lbs)

Step-by-step explanation:

Since Marvin uses Customary units, and considering the Watermelon.

Pounds, He could estimate based on average of 20 to 25 pounds.

He could choose another customary units, but it wouldn't be practical and unusual to say a watermelon of 160 quarters, also it would leave all the listeners without parameters.

So, definitely pounds.

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In Diagram 6, JCK is a tangent to the circle ABC

Igoryamba

Answer:

Step-by-step explanation:

if you don't know it choose C

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