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yan [13]
3 years ago
12

A coin is tossed 100 times. Consider the following statements:

Mathematics
1 answer:
shusha [124]3 years ago
4 0

Answer:

1. and III.

Step-by-step explanation:

Option 1 and 3 are correct.

The probability of landing on heads would be 1/2, so 50 times in 100. This is the expected outcome, so option 1 is correct.

However, that is just the most probable outcome, probability is almost never 100% accurate. Therefore, the number of heads will most likely be 50, give or take 5 or so. Therefore, option 3 is also correct.

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If the roots of a quadratic equation are 1±√5, then the product of the roots is
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The plus-minus sign represents that there are two possible outcomes.

In this case, we have 1 \pm \sqrt{5}. When we branch out the possibilities we got 2 values: 1 + \sqrt{5} and 1 - \sqrt{5}

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When we multiply them: (1 + \sqrt{5}) \times( 1 - \sqrt{5})

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5 0
4 years ago
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Please help me solve this I need some help
Agata [3.3K]

Answer:

f = 8

Step-by-step explanation:

  1. Apply the distributed property, so it now looks like this: 2f - 10 = 6
  2. Add 10 to each side, so it now looks like this: 2f = 16
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I hope this helps!

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