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SOVA2 [1]
3 years ago
15

Pls help I don't understand !! !!

Mathematics
2 answers:
KatRina [158]3 years ago
6 0
1/4 * ? = 5
Twenty lengths
NemiM [27]3 years ago
5 0
100cm is equivalent to 1m so 500cm is equivalent to 5m. What you need to do is divide 500cm (5metres) by 25cm (one quarter of a metre). So the number sentence using 'division' should look like 500cm divided by 25cm which equals 20. Don't forget to use proper symbols for division though. Let me know if this helps:)
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Divide 2,756 into 1,375,244​
alexgriva [62]

Answer:

499

Step-by-step explanation:

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3 0
3 years ago
Read 2 more answers
HCF(320, x) = 20, LCM(320, x) = 2240, then x =
HACTEHA [7]

Answer:

  140

Step-by-step explanation:

When working HCF and LCM problems, I like to think in terms of this little diagram:

  (a [ b ) c]

It shows me one of the numbers is ab, the other is bc, the HCF is b and the LCM is abc. "a" and "c" must be relatively prime for "b" to be the HCF.

__

Here, we're given ...

  b = 20

  ab = 320

  abc = 2240

Then ...

  c = abc/(ab) = 2240/320 = 7

  x = bc = 20(7) . . . . . . equivalently, x = (abc·b)/(ab) = (2240·20)/320

  x = 140

6 0
3 years ago
What's the exact amount of numbers that have been discovered in PI π?
bazaltina [42]

Answer:

It has an infinite amount as the decimal keeps going to over 1 million digits and beyond.

Step-by-step explanation:

3 0
3 years ago
Outside a​ home, there is aa 44​-key keypad numbered 11 through 44. The correct sixsix​-digit code will open the garage door. Th
olya-2409 [2.1K]

Answer:

a) 4,096

b) 0.000244

Step-by-step explanation:

a)  

By the Fundamental rule of counting, there are

4*4*4*4*4*4 = 4,096  

ways of forming six-digit arrangements where each position has 4 possibilities (1 to 4)

b)

The probability of entering the correct code on the first try, assuming that the owner does not remember the code is  

1/4096 = 0.000244

5 0
3 years ago
Help me and fast! And please show work!
tekilochka [14]

Answer:

171

Step-by-step explanation:

fbgetjmnryjnmyjnmryjnhm

6 0
2 years ago
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