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denis-greek [22]
3 years ago
9

A coin is tossed three times. (a) what is the probability that the coin will land tails at least twice

Mathematics
2 answers:
lilavasa [31]3 years ago
5 0
Sample Space =  {HHH, HHT, HTH, HTT, TTT, THH, TTH, THT}
So required probability = 4/8  = 1/2
raketka [301]3 years ago
3 0

\frac{1}{2}  \times  \frac{1}{2}  = 0.25
that's the probability
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3 years ago
Which sequence could be partially defined by the recursive formula f (n + 1) = f(n) + 2.5 for n ≥ 1?
Stells [14]
<span>–10, –7.5, –5, –2.5, …

Is defined by the formula because the next term can be obtained by adding 2.5 to the current one.</span>
3 0
3 years ago
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Which one is larger and why 12 x 3/7 or 6 x 3/7
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Answer:12 x 3/7 is larger than 6 x 3/7.

12x3/7=36/7 while 6x3/7=18/7 since both fractions 36/7 and 18/7 have the same denominators, to know which is larger we just check the numerator,the fraction with the largest numerator is largest which is 36/7

Step-by-step explanation:

12x3/7=(12x3)/7=36/7

6x3/7=(6x3)/7=18/7

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6 0
3 years ago
Two cars leave a town at the same time heading in opposite directions. One car is traveling 12 mph faster than the other. After
HACTEHA [7]
D = rt.  The first car's rate is r, and the other one, going faster, is r + 12.  The time they travel is 2 hours.  Since one is going faster than the other, he has gotten farther.  But, regardless of that, the distance between them is 232.  So the distance the first one travels, r*t, which 2r, plus the distance the second one travels, 2(r+12) = 232.  2r + 2r + 24 = 232.  Solve for r.  4r = 208 and r = 52.  The slower one goes 52 and the faster one goes 64
8 0
3 years ago
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Answer:

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Step-by-step explanation:

In order to find the mark up, we need to multiply the amount it originally costs by the percentage it is being marked up.

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Now that we have the mark up amount, we add it to the original cost to get the sale price.

$300 + $120 = $420

6 0
3 years ago
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