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dexar [7]
3 years ago
15

Item 10 Find the median, first quartile, third quartile, and interquartile range of the data. 38,55,61,56,46,67,59,75,65,58

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
3 0
I think the median is 58.5, the first quartile is 50.5, the third quartile is 66, and finally, the interquartile range is <span>12.75.</span>
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The slope of the line whose equation is 2x + 5y + 1 = 0 is<br> A: -2/5 <br> B -1/5<br> C 5/2
ArbitrLikvidat [17]
The answer would be C 5/2

8 0
2 years ago
Read 2 more answers
Find y so that (-2, y) is a solution to 3x + 5y=8​
podryga [215]

Answer:

y = \frac{14}{5}

Step-by-step explanation:

Substitute x = - 2 into the equation and solve for y

3(- 2) + 5y = 8, that is

- 6 + 5y = 8 ( add 6 to both sides )

5y = 14 ( divide both sides by 5 )

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3 years ago
Transform the given quadratic function into vertex form f(x) = quadratic function into vertex form f(x) = quadratic function int
melisa1 [442]

Answer:

Vertex form: f(x) =(x +\frac{7}{2})^2 -\frac{53}{4}

The vertex is (-\frac{7}{2},-\frac{53}{4})

Step-by-step explanation:

For a general quadratic function the form is:

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For the function

f(x) = x ^ 2+ 7x -1

The values of the coefficients for the function are the following: a = 1, b =7, c = -1

Take the value of b and divide it by 2. Then, the result obtained squares it.

\frac{b}{2}= \frac{7}{2}

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Add and subtract \frac{49}{4}

f(x) = (x ^ 2 +7x +\frac{49}{4}) -\frac{49}{4}- 1

Write the expression of the form

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The vertex is (-\frac{7}{2},-\frac{53}{4})

6 0
3 years ago
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Answer:

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This is the probability of having first time mother mean age 26.5 or greater <em>under the assumption of null hypothesis. </em>

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3 years ago
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