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eimsori [14]
1 year ago
11

Sonia has completed 14 levels of a video game and has 9 points so far in her current level. If Sonia has a total of 331 points,

which equation can be used to find the number of points she earned for completing each level?
Mathematics
1 answer:
Valentin [98]1 year ago
6 0

The equation that can be used to find the number of points is 9 + (14 × x) = 331 and the value is 23.

<h3>How to illustrate the information?</h3>

From the information, Sonia has completed 14 levels of a video game and has 9 points so far in her current level and she has a total of 331 points.

Let the number of points earned be illustrated as x.

The equation that can be used to find the number of points she earned for completing each level will be:

9 + (14 × x) = 331

9 + 14x = 331

14x = 331 - 9

14x = 322

Divide

x = 322 / 14

x = 23

The number of points is 23.

Learn more about equations on:

brainly.com/question/13763238

#SPJ1

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Answer:

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Step-by-step explanation:

Step 1

The fist step is to define the probabilities.

The events are independent from each other. Each team wins with probability \frac{1}{2} and looses with probability \frac{1}{2}.  Let P(W_R) be probability that Roses win and P(L_R)  be the probability that Roses loose.

Step 2

The second step is to calculate the probabilities by multiplying the probabilities with the first 3 terms in the product being the probability of a win and the last term being the probability of a loss.

The calculation is shown below,

P(W_R)\times P(W_R)\times P(W_R)\times P(L_R)=\frac{1}{2} \times \frac{1}{2} \times\frac{1}{2} \times\frac{1}{2} =\frac{1}{16}

Step 3

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\frac{1}{16} \times 100\%=6.25\%.

Step 4

The next step is to round down the percentage . The value of 6.25% rounded down is 6%. The correct answer is 6%.


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