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weqwewe [10]
3 years ago
13

How many 4-digit combinations of numbers are there such that no digits repeat and all of the digits are from 0 through 9?

Mathematics
1 answer:
SashulF [63]3 years ago
3 0
10\cdot9\cdot8\cdot7
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PLEASE I NEED HELP
klemol [59]

Answer: 0.25 feet


Step-by-step explanation:

Given: Jonathon has paper strips that are all equal in length.

Let x be the length of each paper strip.

Since John lines them up end to end, the length of the line of paper strips= 3 feet

Also total strips used= 12

Therefore, length of line of strips=12x=3\ feet

\\\Rightarrow\ x=\frac{1}{4}\ feet\\\Rightarrow\ x= 0.25\ feet

hence, if Jonathan is correct then the length of each strip will be 0.25 feet.


8 0
3 years ago
The data shows the lengths in inches of 6 snakes
just olya [345]
The answer is b
Hope this helps
5 0
2 years ago
Naomi works in a music shop and earns $42 per day. She earns an extra $2 for each CD she sells. If Naomi wants to earn at least
KengaRu [80]

Answer:

42 + 2n  ≥ 80

Step-by-step explanation:

Given,

Naomi's earnings for one day = $ 42,

Also, she earns extra $2 for each CD she sells,

Thus, the extra earning for n CDs = 2n dollars,

So, her total earning for a day if she sells n CDs = ( 42 + 2n ) dollars,

If Naomi wants to earn at least $80 per day,

Her total earning ≥ 80 dollars,

⇒ 42 + 2n  ≥ 80

Which is the required inequality.

8 0
3 years ago
Read 2 more answers
−12 = 9 + 5v + 2v what is it
irga5000 [103]

Answer:

-3=v

Step-by-step explanation:

-12=9+7v

-9 from both sides

-21=7v

Divide both sides by 7

-3=v

Hope this helps:) Have a good day!

3 0
3 years ago
Read 2 more answers
25 pealties decreased by 35% is how many penalties
Harman [31]
16.25 penalties.
35% of 25 is 8.75. 
25-8.75=16.25
5 0
3 years ago
Read 2 more answers
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