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Alina [70]
3 years ago
10

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

Mathematics
1 answer:
iren [92.7K]3 years ago
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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The value of the solid's surface area is equal to the value of the solid's volume. find the value of x. 5*6*x
velikii [3]
<h3>Given</h3>

a cuboid with length, width, height dimensions 5, 6, x

<h3>Find</h3>

the value of x that makes the numerical value of the total surface area equal to the numerical value of the volume

<h3>Solution</h3>

The volume is given by

... V = L·W·H = 5·6·x = 30x

The area is given by

... A = 2(L·W + H(L+W)) = 2(5·6 +x(5+6)) = 2(30 +11x) = 60 +22x

When these are equal, we have

... 30x = 60 +22x

... 8x = 60

... x = 7.5

The desired value of x is 7.5.

7 0
3 years ago
1) ⁴/₃ = ¹⁰/x<br><br> Hdhdvdjns be ivncifj <br><br> (Ignore this )
ArbitrLikvidat [17]

Answer:

x = 7.5

Step-by-step explanation:

10/4 = 2.5

x = 3 × 2.5 = 7.5

Another way

x = 3/4 × 10 = 7.5

5 0
3 years ago
In the figure, a∥e , m∥n , and m∠2 = 117°.
Blizzard [7]
<span> a∥e , m∥n , and m∠2 = 117°
<5 = 180  - <2
<5 = 180 - 117
<5 = 63

answer
</span><span>63°</span>
3 0
3 years ago
Read 2 more answers
(6-t-t^4)+(9t+t^4)<br> Help
Fynjy0 [20]

Answer:

6+8t

Step-by-step explanation:

5 0
3 years ago
Please HELP. She finished these tant in no more than 30
Citrus2011 [14]

Answer:

what

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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