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dmitriy555 [2]
2 years ago
6

Subtract and reduce: 2 2/3 - 1 1/2

Mathematics
1 answer:
babunello [35]2 years ago
5 0

Step-by-step explanation:

I used a calculator but the answer is 1 1/6

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How much water is needed to fill a cylinder? This question is asking you to calculate the _____.
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Answer:

volume

of course, how <u>much</u> water is asking about the capacity of cylinder, meaning it's volume in this case.

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2 years ago
Suppose that your data shows that Saturn orbits every 29.5 years. To the nearest hundredth of an au, how far is Saturn from the
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8 0
3 years ago
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In the following questions, look at different ways to represent the relation given by the equation y = x2 - 1. The table below s
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Answer:

a= 3

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Step-by-step explanation:

4 0
2 years ago
A number is selected, at random, from the set {1,2,3,4,5,6,7,8}.
Olegator [25]

Applying the formula, you have:

A = the number is prime

B = the number is odd

I assume that with "random" you imply that all numbers can be chosen with the same probability. So, we have

P(A) = \dfrac{4}{8} = \dfrac{1}{2}

because 4 out of 8 numbers are prime: 2, 3, 5 and 7.

Similarly, we have

P(B) = \dfrac{4}{8} = \dfrac{1}{2}

because 4 out of 8 numbers are odd: 1, 3, 5 and 7.

Finally,

P(A \land B) = \dfrac{3}{8}

because 3 out of 8 numbers are prime and odd: 3, 5 and 7.

So, applying the formula, we have

P(\text{prime } | \text{ odd}) = \dfrac{P(\text{prime and odd})}{P(\text{odd})} = \dfrac{\frac{3}{8}}{\frac{1}{2}} = \dfrac{3}{8}\cdot 2 = \dfrac{3}{4}

Note:

I think that it is important to have a clear understanding of what's happening from a conceptual point of you: conditional probability simply changes the space you're working with: you are not asking "what is the probability that a random number, taken from 1 to 8, is prime?"

Rather, you are adding a bit of information, because you are asking "what is the probability that a random number, taken from 1 to 8, is prime, knowing that it's odd?"

So, we're not working anymore with the space {1,2,3,4,5,6,7,8}, but rather with {1,3,5,7} (we already know that our number is odd).

Out of these 4 odd numbers, 3 are primes. This is why the probability of picking a prime number among the odd numbers in {1,2,3,4,5,6,7,8} is 3/4: they are literally 3 out of 4.

5 0
3 years ago
A red die is tossed and then a green die is tossed. what is the probability that the red die shows a six or the green die shows
andrey2020 [161]

Answer:

1/12 or 1/6

Step-by-step explanation:

I need a multiple choice to help but if you get 2 attempts it one of these answers.

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