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Inga [223]
3 years ago
12

3r+2b 1) 2 2) 2b 3) 3 4) 3r

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
4 0

Answer:

the answer is 3r + 2b

Step-by-step explanation:

because they are two completely different terms, they need to have both same terms like: 2r + 3r= 5r, you can do that because they are like terms, Let me know if I'm right

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According to the general equation for conditional probability, if P(A, B) =4/7
Neko [114]

Answer:

P(A|B) = \frac{32}{49}

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

P(A|B) = \frac{P(A \cap B)}{P(B)}

In which

P(A|B) is the probability of event A happening, given that B happened.

P(A \cap B) is the probability of both A and B happening.

P(B) is the probability of B happening.

We have that:

P(A \cap B) = \frac{4}{7}, P(B) = \frac{7}{8}

So

P(A|B) = \frac{P(A \cap B)}{P(B)} = \frac{\frac{4}{7}}{\frac{7}{8}} = \frac{4}{7}*\frac{8}{7} = \frac{32}{49}

Then

P(A|B) = \frac{32}{49}

8 0
3 years ago
3. Use Structure Shari is drawing a tree diagram
Alborosie

The sample space of Shari's tree diagram is the total possible outcomes of rolling the game piece and spinning the pointer.

It doesn't matter if Shari starts with the spinner or the game piece

<h3>How to determine the tree diagram</h3>

The experiment involves:

  • Rolling a 12-sided game piece
  • Spinning the pointer of a 4-section spinner

If Shari starts with the game piece, the sample size (n) would be:

n = 12 * 4

n = 48

If Shari starts with the spinner, the sample size (n) would be:

n = 4 * 12

n = 48

Notice that the sample size remains unchanged irrespective of what he starts with

Hence, it doesn't matter if Shari starts with the spinner or the game piece

Read more about tree diagram at:

brainly.com/question/2581880

3 0
2 years ago
Use the log table to estimate the value of log10 8.65. A. .9703 B. .9037 C. .9730 D. .9370
Alex_Xolod [135]
A common logarithmic provides the following value for the log10 of 8.65:
<span><span>0.9370161
Which number is closest to this one? 
The answer is D) 0.9370. 
This means that 8.65 = 10^(.9370). Note that that the number is less than 1, since 10^1 is 10, and 8.65 is less than 10. </span></span>
4 0
3 years ago
Read 2 more answers
What is the value of x?
Dafna1 [17]

Answer:

3x = 12x - 81(vertically opposite angles)

→3x - 12x =  - 81

→- 9x =  - 81

→x =  \frac{ - 81}{ - 9}

→x =  \frac{81}{9}

→x = 9

hope it helped you:)

5 0
3 years ago
Arithmetic Sequences:
lisov135 [29]
Início = 6 h
9 x 6 = 54 
6:54 passou o nono ônibus
próximo ônibus = 6:54 + 9 = 7:03
próximo = 7:03 + 9 = 7:12
próximo = 7:12 + 9 = 7:21
você chegou às 7:16 e vai esperar 21-16 = 5 minutos
3 0
3 years ago
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