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Otrada [13]
3 years ago
12

Find all possible values of the digits Y, E, A, R if YYYY - EEE + AA - R = 1234, and different letters represent different digit

s.
Mathematics
1 answer:
schepotkina [342]3 years ago
7 0

Answer:

Y:  2

E:  9

A:  1

R:  0

Step-by-step explanation:

If we used the value  Y = 2,   E = 9  , A = 1  and R = 0

in the given equation i.e

YYYY - EEE + AA - R = 1234.

From LHS,

Putting the value of Y,E, A and R in the given question we get

2222-999+11-0\\=\ 1223\ + 11\\=\ 1234

=RHS

Therefore\  the\  value\  of \   Y, E, A, R\  is\  2\ , \  9 , \ 1\   and\  0

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3 years ago
Need help on these questions.
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Step-by-step explanation:


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3 0
3 years ago
Plz read and answerrrrrrrrrrr
natulia [17]

Answer:

16.7%.

Step-by-step explanation:

There are initially 24 + 15 + 8 = 47 pencils in the bag.

Take a pencil out of this bag of 47 pencils. 15 out of the 47 pencils blue. Let A represent the event of getting a blue pencil on the first pick. The probability of getting a blue pencil is:

\displaystyle P(A) = \frac{15}{47}.

There are now 47 - 1 = 46 pencils left in the bag. However, given that the first pencil removed from the bag is blue, the number of red pencils in the bag will still be 24. Take another pencil out of this bag of 46 pencils. Let B represent the event of getting a red pencil on the second pick. The possibility that the second pencil is red given that the first pencil is blue will be:

\displaystyle P(B|A) = \frac{24}{46}.

The question is asking for the possibility that the first pencil is blue and the second pencil is red. That is:

\displaystyle P(A\cap B) = P(A) \cdot P(B|A) = \frac{15}{47}\times \frac{24}{46} = 0.166512 \approx 16.7\%.

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3 years ago
A Standard number is<br> tossed find each<br> Probability.<br> P (4 or less than 6)
Klio2033 [76]

the probability of rolling 4 or a number less than 6 is P = 5/6

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The standard number cube has the outcomes {1, 2, 3, 4, 5, 6}

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The outcomes that meet that condition are:

{1, 2, 3, 4, 5}

So 5 out of 6 outcomes meet the condition, then the probability is:

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If you want to learn more about probability:

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