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Artyom0805 [142]
3 years ago
12

a certain state the license plate has two digits, then two letters, and then two digits. How many different license plates are p

ossible if letters and digits cannot be repeated?
Mathematics
2 answers:
xxTIMURxx [149]3 years ago
7 0

Step-by-step explanation:

Choosing 4 digits out of 10 = 10C4 = 210.

Arranging the 4 digits in 4 places = 4!

Total number of ways to arrange digits

= 210 * 4! = 5040.

Choosing 2 letters out of 26 = 26C2 = 325

Arranging the 2 letters in 2 places = 2!

Total number of ways to arrange letters

= 325 * 2! = 650.

Total number of possible license plates

= 5040 * 650 = 3,276,000.

Evgesh-ka [11]3 years ago
3 0

Answer:

3,276,000

Step-by-step explanation:

10 x 9 x 26 x 25 x 8 x 7 = 3,276,000

the numbers 10, 9, 8, 7 are the spaces available for a non-duplicated digit

the numbers 26 and 25 are for two non-duplicated letters

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3 years ago
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Irina-Kira [14]
The only way to solve if it is equal to something
assuming that the teacher wanted you to make it equal to zero do
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remember if we can do
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so factor

0=-3x^2-21x-54
undistribute the -3
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remember 0 times anything=0 so
x^2+7x+18 must equal zero
use quadratice formula which is

if you have
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a=1
b=7
c=18

x=\frac{-7+/- \sqrt{7^{2}-4(1)(18)} }{2(1)}
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i=√-1
x=\frac{-7+/- i\sqrt{23} }{2}



the zerose would be
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4 0
3 years ago
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klasskru [66]
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Answer:

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Step-by-step explanation:

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6 0
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Answer:

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Step-by-step explanation:

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