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Elenna [48]
3 years ago
9

Two numbers total 42 and have a difference of 8 find the two numbers

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
5 0
X+y = 42
x-y = 8
x = 8+y

Substitute it in 1st equation,
8+y+y=42
2y = 34
y = 17

Substitute it in 1st eq.,
x = 42-17 = 25

So, the two numbers are 25 & 17

Hope this helps!

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Answer 20 are left

Step-by-step explanation:

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Firdavs [7]

Step-by-step explanation:

This is a probability related problem.

  Probability is the likelihood of an event to occur;

    Pr = \frac{number of possible outcomes}{Total sample space}

The sample space here is from 1 to 25 which is 25

A.

Pr of a card marked 8; we have just 1 possible outcome;

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B.

Pr  of drawing a card that is a multiple of 5;

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C.

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     Pr(odd numbers) = \frac{13}{25}

D.

Pr of drawing a number with square number on it;

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  Pr(square numbers) = \frac{5}{25}   = \frac{1}{5}

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3 years ago
........................
omeli [17]

it would be C i think hope this helps

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