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AURORKA [14]
3 years ago
8

Easy// need help please

Mathematics
1 answer:
ASHA 777 [7]3 years ago
6 0

Answer:

41

Step-by-step explanation:

Yes, it is easy.

Square root of (40*40+9*9) = 41

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Brut [27]
Common factors of 12 and 24 include 2,3,4,6, and 12
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How many three-digit phone prefixes that are used to represent a particular geographic area are possible that have no 0 or 1 in
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Answer:

The number of possible three-digit phone prefixes that are used to represent a particular geographic area is 640.

Step-by-step explanation:

The phone prefixes used to represent a particular geographic area are a 3 digit code consisting of numbers from 0 to 9.

The prefix code are of the form: <u>x</u> <u>x</u> <u>x</u>

Condition: The first or the second place cannot take values 0 or 1.

Then the first place can be occupied by the remaining 8 digits.

Similarly the second place can also be occupied by the remaining 8 digits.

And the third place can be occupied by any of the 10 digits.

So the number of ways to construct a phone prefix for any area is:

Possible\ number\ of\ phone\ prefixes=8\times8\times10=640

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4 0
3 years ago
(+1)+(+4) =
marishachu [46]

Answer:

5

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15

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Step-by-step explanation:

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Andreas93 [3]
S= R- 1/3R

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This is how it works

Use S-= R-1/3R
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8 0
3 years ago
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So the 4ft mailbox’s shadow was six feet. That 2ft longer. According to my logic if the tree had a showdown of 36ft we subtract 2ft. The trees actual size is 34ft.

I might be wrong don’t hate me :(

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