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Zina [86]
3 years ago
15

An encyclopedia has eight volumes. In how many ways can the eight volumes be replaced on the shelf? Explain.

Mathematics
1 answer:
aev [14]3 years ago
7 0
Imagine there are 8 spots on the shelf. Replace the volumes one by one. The first volume to be replaced could go in any one of the eight spots. The second volume to be replaced could then go in any one of the seven remaining spots. The third volume to be replaced could then go in any one of the six remaining spots. etc So the total number of ways the eight volumes could be replaced = 8! = 8 × 7 × 6 × 5 × 4 × 3 × 2 × 1 = 40,320
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there is 1 litre of tea in a teapot, alex pours 275ml of the tea into a cup what percentage of the tea has alex poured
Nuetrik [128]

Answer:

27.5%

Step-by-step explanation:

Given:

  • 1 Liter In Teapot
  • Alex poured 275 milliliters of the tea into a cup

Review:

  • 1,000 Milliliters = 1 Liter

Concepts:

  • A liter is a noun meaning a unit of capacity redefined in 1964 by a reduction of 28 parts in a million to be exactly equal to one <em>cubic </em>decimeter. It is equivalent to <em>1.0567</em>  U.S. liquid <u>quarts </u>and is equal to the volume of 1 kilogram of distilled <em>water</em> at 4°C.
  • A millimeter is a noun meaning a unit of capacity <em>equal</em> to one <u>thousandth </u>of a liter, and equivalent to <em>0.033815</em> fluid<u> </u><u>ounce</u>, or<em> 0.061025</em><em> </em>cubic<u> inch</u>.

Formula:

  • The <em>mℓ</em> to <em>ℓ</em> formula is<em> [L] = [mL] / 1000</em>.

Now we must convert <em>275</em> milliliters to liters.

1. Divide the volume by <em>1,000.</em>

275 ÷ 1000 = 0.275

2. Add the Unit Symbol for Liter.

0.275 ⇒ 0.275 L

Now we have to find how much of 1 liter- 0.275 liters as a percentage is.

To convert <em>0.275</em> to percent multiply <em>0.275</em> by <em>100</em>. The result is <em>27.5 </em>percent, or, using the percent sign, <em>27.5 %.</em>

7 0
2 years ago
From a group of 10 people, 5 are selected at random to participate in a game show. In how many ways can the 5 people be selected
diamong [38]

Answer:

A) 120

Step-by-step explanation:

For this question you will need to use factorials

5! =5×4×3×2×1

which equals to 120

therefore the 5 people can be selected in 120 different ways

hope this helps

6 0
3 years ago
Read 2 more answers
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Sophie [7]
...42, -193.. thats the 4th and 5th  Hope this helps 
7 0
3 years ago
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What is the product of 1 1/2 and -1 1/4 enter your answer as a mixed number in simplified form
Anastaziya [24]
The answer is -1 7/8 in lowest terms.
7 0
3 years ago
Help me find the missing length pleaseeee
Alja [10]

35 / 5 = 7 ; also 49 /7  = 7

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? = 8 x 7 = 56

Answer

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7 0
3 years ago
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