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ivanzaharov [21]
2 years ago
10

Ollie took his four freinds to the movies and the total cost was 65$. What was the price for each ticket.

Mathematics
2 answers:
klio [65]2 years ago
6 0

Answer:

16.25

Step-by-step explanation:

Serggg [28]2 years ago
4 0

Answer:

16.25 $

Step-by-step explanation:

Cost of 4 tickets is 65 $.

Cost of 1 ticket is (65÷4) $

                                16.25 $.

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A group of physical education majors was discussing the heights of female runners and whether female runners tended to be tall,
Anna11 [10]

Answer:

The 90% confidence interval for the mean µ of the population of female runners.

( 65.0328 , 66.5672)

Step-by-step explanation:

<u>Step(i)</u>

Given  A sample of 12 runners showed a sample mean height of 65.80 inches and a sample standard deviation of 1.95 inches.

Given sample size is n = 12 <30 so small sample

Given sample mean (x⁻) = 65.80 inches

sample standard deviation (S) = 1.95 inches.

<u>Step(ii)</u>

Assume the population is approximately normal.

The 90% confidence interval for the mean µ of the population of female runners.

(x^{-} - t_{\alpha } \frac{S}{\sqrt{n} } ,x^{-} +t_{\alpha } \frac{S}{\sqrt{n} } )

substitute  all above interval

(65.80 - t_{\alpha } \frac{1.95}{\sqrt{12} } ,65.80 +t_{\alpha } \frac{1.95}{\sqrt{12} } )

The degrees of freedom γ=n-1 = 12-1=11

From t- table = 1.363 at 90 % 0r 0.10 level of significance

(65.80 -1.363 \frac{1.95}{\sqrt{12} } ,65.80 +1.363 \frac{1.95}{\sqrt{12} } )

on calculation , we get

(65.80 -0.7672 ,65.80 + 0.7672)

( 65.0328 , 66.5672)

8 0
3 years ago
Using laws of exponents, explain how to simplify (x-2)3.
Allushta [10]

Answer:

The answer would be 3x-6

Step-by-step explanation:

3 times x equals 3x. 3 times -2 equals -6. So it would be 3x-6

5 0
3 years ago
X) 7.A.47
vodomira [7]

Answer:

You will gain $27

Step-by-step explanation:

Just multiply $63 times 0.42857142857

8 0
3 years ago
Pls help <br><br> Evaluate. [120 + (12 ÷ 3 • 30)] ÷ 20 + 102
sleet_krkn [62]
The answer is 114. Here’s what I did.

4 0
3 years ago
Help me please i need step by step explanation to please
boyakko [2]

Answer:

-80x + 24 (A)

Step-by-step explanation:

To solve this, we need to break the brackets. This is done by multiplying -8 to 10x and -3 to give us our final answer of -80x + 24.

So, the answer is A.

7 0
2 years ago
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