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Arturiano [62]
1 year ago
7

Express the ratio below in its simplest form.3:12:9

Mathematics
1 answer:
Nina [5.8K]1 year ago
7 0

Answer:

Step-by-step explanation:

Divide by 3

1 : 4 : 3

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Write the following expression in standered form.<br><br> -3•2•a+5(-7b)+(12•c•4)
Alex

Answer:

−6a − 35b + 48c

Step-by-step explanation:

You do pemdas and if you know Pemads you will get your anwser

6 0
2 years ago
How many ways can 6 people be chosen and arranged in straight line if there are 8 people to choose from? a. 48.b. 720.c. 20, 160
Ipatiy [6.2K]

Answer:

<h2>C. <em>20,160</em></h2>

Step-by-step explanation:

This question bothers on permutation since we are to select a some people out of a group of people and then arrange in a straight line. If r object are to be arranged in a straight line when selecting them from n pool of objects. This can be done in nPr number of ways.

nPr = n!/(n-r)!

Selection of 6 people out of 8 people can therefore be done in 8C6 number of ways.

8P6 = 8!/(8-6)!

8P6 = 8!/2!

8P6 = 8*7*6*5*4*3*2!/2!

8P6 = 8*7*6*5*4*3

8P6 = 56*360

8P6 = 20,160

<em>Hence this can be done in 20,160 number of ways</em>

5 0
3 years ago
How many sides does a quadrillateral have
masya89 [10]

Answer: 4

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3 0
2 years ago
Tell me what i did wrong.
ser-zykov [4K]

Answer:

You forgot to post your mistake.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which is the simplified form of (9c^-9)-3
Orlov [11]

3[3c^(-9)-1]

hope this helps


5 0
3 years ago
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