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Anna11 [10]
3 years ago
13

Kenneth and 3 friends visited the bowling alley.

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
5 0

Answer:

The shoe rental is a one-time expense for the day.  So that would be 3 * 2.5

The variable is the number of games.  As the question is written, I'm assuming you want the total # of games.  So, the formula for that part would be 5.3x

Putting it together:

(3 * 2.5) + 5.3x = 55.2

Step-by-step explanation:

i asked my pre-algebra teacher and she helped me with the question cuz she wants me to get good grades

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If an event has a 55% chance of happening in one trial, how do I determine the chances of it happening more than once in 4 trial
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The chances of it happening more than once in 4 trials is 13%

<h3>How to determine the number</h3>

From the information given, we have can deduce that;

Probability of 1 trial = 55%

= 55/ 100

Find the ratio

= 0. 55

We are to find the probability of it happening more than once in 4 different trials

If the probability of it happening in one trial is 555 which equals 0. 55

Then the probability of it happening in 1 in 4 trials is given as;

P(1/4 trials) = 1/ 4 × 55%

P(1/4 trials) = 1/ 4 × 0. 55

Put in decimal form

P(1/4 trials) = 0. 25 × 0. 55

P(1/4 trials) = 0. 138

But we have to know the percentage

= 0. 138 × 100

Multiply the values, we have

= 13. 8 %

Thus, the chances of it happening more than once in 4 trials is 13%

Learn more about probability here:

brainly.com/question/24756209

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6 0
2 years ago
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Answer:

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Step-by-step explanation:

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Combine like terms

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Subtract 157 from each side

157-157 +z = 180-157

z =23

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3 years ago
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Step-by-step explanation:

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