There are 4 aces in a standard 52 card deck. So the probability of getting an ace on the first try is 4/52, or 1/13 (simplified). The probability of getting it the second time after you pulled one out is 3/51 because you removed one, or 1/17 (simplified). The probability of NOT getting a ace on the third go is 48/50, because there are 50 remaining cards and 2 of them remain to be aces. Simplified probability of not getting it is 24/25. Multiply these probabilities together to find the exact probability of getting exactly two aces.
1/13 * 1/17 * 24/25 = 24/5525 or 0.0043438914027149.
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Answer:
y = 5x - 5
Step-by-step explanation:
Since y = mx + b is the slope-intercept form, we’ll need to make y alone without any coefficient
15x - 3y = 15
To do this, divide all terms by 3
15x/3 - 3y/3 = 15/3
5x - y = 5
Then make y the subject
y = 5x - 5
Answer:
(−33)(−34) = 1122
n × ( n + 1 ) = 1122 This gives n 2 + 1 n = 1122 subtracting both sides by 1122 gives n 2 + 1 n − 1122 = 1122 − 1122 or n 2 + 1 n − 1122 = 0 1122 = 33 × 34 ( n − 33 ) × ( n + 34 ) = 0 n = 33 or n = − 34 Negative factors are asked for, so reject n = 33 The factors are − 33 and − 34
number of cupcakes lynn made = x
number of cupcakes santo baked = 2x - 4
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We can write <em>S</em> as
and expand it as
The first sum is geometric, nothing tricky:
For the second sum, you can use the same method employed in another question of yours (24494877) to find
So this sum comes out to
