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aleksklad [387]
2 years ago
7

If anybody could help me please :,) will give brainliest + 100 points

Mathematics
1 answer:
Alinara [238K]2 years ago
8 0

Answer:

P(B and D) = 0.35

Step-by-step explanation:

It is a probability tree diagram. Here to find P(B and D):

apply method:

P(A and B) = P(A) × P(B)

Here given:

  • P(B) = .5
  • P(D) = .7

So, P(B and D):

  • P(B) × P(D)
  • .5 × .7
  • .35 ≈ 0.35
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What is the value of this expression? 5/6−(1/8÷3/4)
Verizon [17]

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79/96

Step-by-step explanation:

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3 years ago
How many equal sections divide a directed line segment if it is to be partitioned with a 2:7 ratio? 2, the least number given in
Elodia [21]

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Answer:

  9, the sum of the numbers given in the ratio

Step-by-step explanation:

The reduced ratio 2 : 7 means that two parts correspond to one length and 7 parts correspond to the other length. That is, there are a total of 2+7 = 9 parts in the full length of the segment.

It is convenient to think of the line segment as being divided into 9 equal parts.

_____

<em>Additional comments</em>

It is often helpful to consider the total number of "ratio units" in a given ratio. For example, in this problem, the shorter segment is 2/9 of the whole, and the longer one is 7/9 of the whole.

It can also be useful to consider what a "ratio unit" represents. If the whole segment is 27 inches long, then each of the 9 ratio units will represent 3 inches, for example. This means the division 2:7 is 2(3 in):7(3 in) = 6 in : 21 in.

3 0
3 years ago
At the start of 2014, lucy's house was worth £200 000.
kobusy [5.1K]

Answer:

£230,000

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7 0
4 years ago
{x + 8y = -16<br> {x-3y = -5
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x=-8

8 0
2 years ago
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