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BARSIC [14]
2 years ago
9

You are rearranging your bookshelf to make it more interesting and harder to find anything on it. On one of the shelves you plan

to put 13 biographies and 6 mysteries. How many ways can you arrange them on the shelf if you don't want any two mystery books next to each other (i.e. they need to be separated by at least one biography, maybe more...).
Mathematics
1 answer:
Leto [7]2 years ago
8 0

Answer:

for every 2 biographies you put 1 mystery book until you get to the middle then there will be 3

Step-by-step explanation:

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Rectangles have two properties that are not included in the definition. The opposite sides of a rectangle are always of equal le
weqwewe [10]
<span>D. The two properties are biconditional, and a definition cannot be biconditional.

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8 0
3 years ago
2.5 kg cost £1.40<br><br>work out the cost of 4.25kg
Mkey [24]

Calculating the cost of 4.25 kilogram(kg) is £2.38, by multiplying it by 4.25 kg by 1 kg.

<h3>Cost</h3>

Costs are the expenses incurred in the manufacture, marketing, or preparation of a good or asset for regular use. In other terms, it's the cost incurred to produce a good, buy inventories, sell goods, or prepare equipment for use in a commercial activity.

Given,

2.5 kg cost  £1.40 i.e,

2.5 kg = £1.40

For 1 kg= \frac{1.40}{2.5}

= £0.56

To find the cost of 4.25 kg:

Then,

1 kg = £0.56

4.25 kg = 0.56 x 4.25

= £2.38

£2.38 is the cost of 4.25kg after calculating it.

To know more about calculating cost visit here:

brainly.com/question/11871927

#SPJ1

8 0
1 year ago
Write the verbal expression to represent n-8=16
Travka [436]

Answer:

The difference of a number and 8 is 16

Step-by-step explanation:

Statement that is expressed in words

6 0
3 years ago
Hello! Can someone help me with the question?
nikitadnepr [17]
I can’t read the question, what is the question?
5 0
3 years ago
Factor 1 - 2.25x^8.
sleet_krkn [62]
<span>1 - 2.25x</span>⁸ =
1² - (1.5x⁴)² =
(1 + 1.5x⁴)(1 - 1.5x⁴)
5 0
3 years ago
Read 2 more answers
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