3 years ago

HELP ME PLEASE,

Mathematics

2 answers:

jenyasd209 [6]3 years ago

6 0

Never is )4744$, $ :!83

bagirrra123 [75]3 years ago

6 0

I'm in K12 too, Those little things in the middle of the lesson do NOT need to be completed. You can skip over those. Also if you're on the grade level where you start having "discussions" those are not necessary either.

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A certain model car has a keypad with 5 numbers on the door. To open the door, 5 numbers must be entered in the correct

MrRissso [65]

Answer: A. $\dfrac{1}{120}$

Step-by-step explanation:

Total digits on keypad = 5

According to permutation,

If repetition of digits is not allowed then the number of 5-digits passwords can be formed = 5!

= 5 x 4 x 3 x 2 x 1 [n!=n x (n-1) x (n-2)x ... x 1]

=120

The probability that someone guesses the correct code = $\dfrac{\text{Number of correct codes}}{\text{Total possible codes}}$

$=\dfrac{1}{120}$

Hence, the correct option is A.

8 0

3 years ago

Round 1001 to the nearest thousand.

Zepler [3.9K]

1000 is the correct answer !

8 0

3 years ago

A k out of n system is one in which there is a group of n components, and the system will function if at least k of the componen

kotykmax [81]

Answer:

bbb

St bep-by-step explanation:

8 0

3 years ago

B) Select all expressions that can be used to find 85% of 280.

abruzzese [7]

Answer:

238

85%of 280 is 238

Step-by-step explanation:

hope this helps

4 0

3 years ago

I need help for bi dont get it

sergij07 [2.7K]

Answer:

EWWWWWWWWWWWWW UR BI???!!

Step-by-step explanation:

7 0

3 years ago

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