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Colt1911 [192]
3 years ago
10

Simplify the following expression. (8 + 4) * 2 - 1

Mathematics
1 answer:
wolverine [178]3 years ago
3 0

Answer: 23

.................

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coldgirl [10]
Three times larger.

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Answer:

(3,20)

Step-by-step explanation:

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A dance instructor chose four of his 10 students to be on stage for a performance. If order does not matter, in how many differe
Vikki [24]
This is a combination in which you choose 4 from 10.
The formula is
combinations = 10! / 4! * (10-4)!
combinations = 10! / 4! * 6!
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combinations = 10 * 9 * 8 * 7 / 4 * 3 * 2
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combinations = 210
Source:
http://www.1728.org/combinat.htm


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3 years ago
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the scale of map is 1cm to 8km , two towns are 52km apart . how far apart are the two towns on the map
posledela

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6.5 cm

Step-by-step explanation:

The solution to the question above is solved in the attached picture.

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Answer:

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3a+b - 4

Let a =3 and b = 5

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