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zzz [600]
1 year ago
7

NOT is coded as LKF and FLY is coded as TNA, then which of the following word/s has/have correct coding? (1) TOP – FKJ (2) RUN –

IFM (3) MUG – MES (4) HOT – RKG which one is correct answer​
Mathematics
1 answer:
AVprozaik [17]1 year ago
7 0

Answer:

  • (1) and (3) are correct options

Step-by-step explanation:

  • NOT is coded as LKF
  • FLY is coded as TNA

<u>Using alphabet, we can see that:</u>

NOT = 14, 15, 20  ⇔ 13+1, 13+2, 13+7 ⇒ LKF = 12,11,6 = 13-1, 13-2, 13-7

Coding for each letter is 13 + x ⇒ 13 - x

(1) TOP ⇒ FKJ

  • TOP = 20,15,16 ⇒ 13-7, 13-2, 13-3 =  6,11,10 = FKJ
  • Correct

(2) RUN ⇒ IFM

  • RUN = 18,21,14 ⇒ 13-5,13-8,13-1 = 8,5,12 = HEL ≠ IFM
  • Incorrect

(3) MUG ⇒ MES

  • MUG = 13,21,7 ⇒ 13+0, 13-8, 13+6 = 13,5,19 = MES
  • Correct

(4) HOT ⇒ RKG

  • HOT = 8,15,20  ⇒ 13+5,13-2, 13-7 = 18,11,6 = RKF ≠ RKG
  • Incorrect

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1 year ago
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2 years ago
Find a formula for the general term an of the sequence, assuming that the pattern of the first few terms continues. (Assume that
mezya [45]

Answer:

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is

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Step-by-step explanation:

The sequence is

-5, 10/3, -20/9, 40/27, -80/81, ...

By inspection, we see the following

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- The numerator of a number is twice the numerator of the preceding number. The first number is 5.

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Using these, we can write a formula for the sequence.

(-1)^n for n = 1, 2, 3, ... takes care of the alternation between + and -

5×2^(n-1) for n = 1, 2, 3, ... takes care of the numerators 5, 10, 20, 40, ...

3^(1-n) for n = 1, 2, 3, ... takes care of the denominators 1, 3, 9, 27, ...

Combining these, we have the formula to be

(-1)^n. 5×2^(n-1). 3^(1-n)

For n = 1, 2, 3, ...

8 0
1 year ago
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2 1/3 cups of sugar

5 3/4 - 2 1/2
3 1/4 - 2/3
24/ 7 - 8/7
16/7
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7 0
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FromTheMoon [43]

Solution:

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7 0
2 years ago
Read 2 more answers
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