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pogonyaev
3 years ago
12

How many different ways can a director select 4 actors from a group of 20 actors?

Mathematics
1 answer:
swat323 years ago
3 0
Number of ways = 20C4
Number of ways =  (20 x 19 x 18 x 17) ÷ (4 x 3 x 2 x 1)
Number of ways =  116280  ÷ 24 
Number of ways =  4845.

Answer: 4845
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Nitella [24]
The answer is D. 5.4
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3 years ago
Which expression can be used to find 532 divided by 4?
user100 [1]

C: (500 divided by 4)+(30 divided by 4)+2

Expanded form or expanded notation is a way of writing numbers to see the math value of individual digits. When numbers are separated into individual place values and decimal places they can also form a mathematical expression. 532 ÷ 4 in expanded notation form is (500 divided by 4)+(30 divided by 4)+2

4 0
2 years ago
A company wants to decrease their energy use by 16%.if their electric bill currently 2,2000 a month what will their be if they a
lyudmila [28]

The bill will be 18,480 if they are successful.

Step-by-step explanation:

Given,

Current bill of company = 22000

Energy usage to decrease = 16%

Amount of decreased usage = 16% of current bill

Amount of decreased usage = \frac{16}{100}*22000

Amount of decreased usage = 0.16*22000

Amount of decreased usage = 3520

Bill after decreased usage = Current bill - Amount of decreased usage

Bill after decreased usage = 22000 - 3520 = 18480

The bill will be 18,480 if they are successful.

Keywords: percentage, subtraction

Learn more about subtraction at:

  • brainly.com/question/10552347
  • brainly.com/question/10570041

#LearnwithBrainly

8 0
3 years ago
BRAINLYEST
Sedaia [141]

Answer:

2 \frac{1}{3}

Step-by-step explanation:

The absolute value of a number is the value of x (the number) without a negative, 2 and a third is already positive, so that is the answer :D

Hope this helps, good luck! :)

5 0
3 years ago
Read 2 more answers
Angles BAE and FAC are straight angles. What angle relationship best describes angles BAC and EAF?Adjacent anglesComplementary a
Natalka [10]

The best angle relationship that describes angles BAC and EAF is supplementary angles

The sum of angle on a straight line is supplementary i.e. they sum up to 180 degrees.

If Angles BAE and FAC are straight angles, it means they are linear pairs and their sum is 180 degrees. Mathematically;

m<BAE + m<FAC = 180degrees

Hence we can conclude that the best angle relationship that describes angles BAC and EAF is supplementary angles

Learn more here: brainly.com/question/22309882

8 0
3 years ago
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