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zloy xaker [14]
3 years ago
8

Community Gym charges a $50 membership fee and a $70 monthly fee. Workout Gym charges a $170 membership fee and a $60 monthly fe

e. After how many months will the total amount of money paid to both gyms be the same? What will the amount be?

Mathematics
1 answer:
Greeley [361]3 years ago
3 0
The answer to the question is 12 months.

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Brianna received an overall IQ score of 117 on the Wechsler Scale. This means that Brianna has scored approximately____________
Tresset [83]

Using the normal distribution, it is found that the correct option is:

  • D. 1; 100

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.

In this problem:

  • The mean on the Wechsler Scale is of 100, hence \mu = 100.
  • The standard deviation is of 17, hence \sigma = 17.
  • Brianna had an score of 117, hence X = 117

Then:

Z = \frac{X - \mu}{\sigma}

Z = \frac{117 - 100}{17}

Z = 1

Hence, the option d is correct.

To learn more about the normal distribution, you can check brainly.com/question/24663213

7 0
2 years ago
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
The difference of x and 4, cubed, times 6
Yanka [14]
<h2>Answer:</h2>

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Which of these is a statistical question? I accidentally clicked an clicked an answer, but I want to know which one is the right
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Step-by-step explanation:

I think A is the answer to your question

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What is the relationship between the total number of stamps Ava has collected after each month and the total number of stamps Do
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Answer:

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Step-by-step explanation:

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