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Tanzania [10]
2 years ago
11

Is 3π/9 irrational or rational​

Mathematics
1 answer:
iren2701 [21]2 years ago
6 0

Answer:

irrational

Step-by-step explanation:

Since π is an irrational number, it would make 3π/9 an irrational number too since multiplying or dividing by pi makes the answer an irrational number.

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Each of the 25 balls in a certain box is either red, blue or white and has a number from 1 to 10 painted on it. If one ball is t
Aneli [31]

Answer:

Not sufficient information

Step-by-step explanation:

Probability of white ball: P(W)

Probability of even number: P(E)

Probability of white ball or even number: P(W∨E) is asked

Considering case (1):

Probability of white ball and even number: P(W∧E) = 0

And we know that,

P(W∨E) = P(W) + P(E) - P(W∧E) = P(W) + P(E) - 0 = P(W) + P(E)

It is not sufficient to calculate the desired probability.

Considering case (2):

P(W) - P(E) = 0.2

Here, it is possible for P(W) and P(E) to get multiply values.

So P(W∨E) cannot be determined.

Considering cases (1) & (2):

P(W∧E) = 0 and P(W) - P(E) = 0.2

So, P(W∨E) = P(W) + P(E) = P(E) + 0.2 + P(E) = 2P(E) + 0.2

Again multiple answers are possible.

Such as, for P(E) = 0.4 (10 even balls) ⇒ P(W∨E) = 1

but for P(E) = 0.2 (5 even balls) ⇒ P(W∨E) = 0.6

So, the information are not sufficient.

3 0
3 years ago
Can you please help me!!
Molodets [167]
A is more because 1/4 is equal to 2/8 and 2/8 is less than 7/8 so you would have more than a minute
B is three minutes 2/8 goes into 7/8 three times
8 0
3 years ago
You order office supplies for your company every quarter. The invoices for the first three quarters are $615, $791, and $803. Wh
guapka [62]

Answer:

$2209

Step-by-step explanation:

Add all three numbers together

4 0
3 years ago
Read 2 more answers
30 points to answer this page and show work
hjlf
Answers to 1, 2, and 3 are in the picture

3 0
2 years ago
Read 2 more answers
Which expression represents the product of 3 and y? 3 + y 3 − y 3 over y 3y
Eva8 [605]

Answer:

3y is the expression that represents the product of 3 and y

5 0
3 years ago
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