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Travka [436]
3 years ago
15

10 POINTS!

Mathematics
1 answer:
Zepler [3.9K]3 years ago
4 0
I hope this helps you

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Evaluate the expression 18C4
erastovalidia [21]

Answer:

3,060

Step-by-step explanation:

Given:

18C4

nCr=n! / r!(n-r)!

=18! / 4!(18-4)!

18!=18*17*16*15*14*13*12*11*10*9*8*7*6*5*4*3*2*1

=6,402,373,705,728,000

4!=4*3*2*1

=24

(18-4)!=14!

=14*13*12*11*10*9*8*7*6*5*4*3*2*1

=87,178,291,200

18! / 4!(18-4)!

=6,402,373,705,728,000 / 24*87,178,291,200

=6,402,373,705,728,000 / 2,092,278,988,800

=3,060

4 0
4 years ago
HELP PLS‼️‼️‼️‼️‼️‼️‼️‼️
guajiro [1.7K]

Answer:

64 sq cm

Step-by-step explanation:

divide the shape into a 6x8 rectangle and a 4 x 8 triangle

6x8=48

.5x4x8=16

48+16=64

3 0
3 years ago
What is the solution for 4(x + 1) = 2(3x − 2)?
Schach [20]

Answer:

x = 4

Step-by-step explanation:

Distribute parenthesis on both sides of the equation

4x + 4 = 6x - 4 ( subtract 6x from both sides )

- 2x + 4 = - 4 ( subtract 4 from both sides )

- 2x = - 8 ( divide both sides by - 2 )

x = 4

3 0
3 years ago
Read 2 more answers
What is the image point of (-1,9) after a translation left 1 unit and down 1 unit
notka56 [123]

Answer

(-2,8)

Step-by-step explanation:

4 0
3 years ago
Hello I am asking this question What is 25% of £90
Rainbow [258]

Answer:

22.5 UK£

Step-by-step explanation:

i just searched it up on google.

6 0
3 years ago
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