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Fittoniya [83]
3 years ago
8

Mr. Lew recorded the average length, in minutes, of phone calls received at work. He recorded the data in the box plots below. A

box plot titled Professional Call Length in Minutes. A number line goes from 0 to 11. The whiskers range from 2 to 10, and the box ranges from 3 to 8. A line divides the box at 4. Professional Call Length in Minutes A box plot titled Personal Call Length in Minutes. A number line goes from 0 to 11. The whiskers range from 1 to 11, and the box ranges from 4 to 6. A line divides the box at 5. Personal Call Length in Minutes Which is an accurate comparison of the two data sets? Time spent on professional calls is typically shorter and more consistent than time spent on personal calls. Time spent on professional calls is typically shorter but less consistent than time spent on personal calls. Time spent on professional calls is typically longer but more consistent than time spent on personal calls. Time spent on professional calls is typically longer and less consistent than time spent on personal calls.

Mathematics
1 answer:
satela [25.4K]3 years ago
6 0

Answer:

Time spent on professional calls is typically shorter but less consistent than time spent on personal calls.

Step-by-step explanation:

Professional calls are typically shorter (Median = 4 min) than personal calls (Median = 5 min).

However, they are less consistent (IQR = 5 min) than personal calls (IQR = 2 min).

 

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azamat

Answer:

\large \boxed{y = (x - 5)^{2} + 2 }

Step-by-step explanation:

y = x² - 10x + 27

y = ax² + bx + c

This is the general form of the equation for a parabola.

We must convert it to the vertex form

y = (x - h)² + k, where (h,k) are the coordinates of the vertex.

We can do this by completing the square.

\begin{array}{rcll}y & = & x^{2} - 10x + 27 & \\y - 27 & = & x^{2} - 10x & \text{Subtracted 27 from each side}\\y - 27&= & x^{2} - 10x + 25 - 25 & \text{Added and subtracted (b/2)}^{2}\\y - 27&= & (x - 5)^{2} - 25 & \text{Wrote the first three terms as the square of a binomial}\\y& = & \mathbf{(x - 5)^{2} + 2} & \text{Added 27 to each side}\\\end{array}\\\text{The vertex form of the parabola is $\large \boxed{\mathbf{y = (x - 5)^{2} + 2 }}$}The figure below shows that your parabola has its vertex at (5,2).

4 0
3 years ago
Write y=2x+3 using function notation
Travka [436]
F(x)=2x+3. easy as that, just replace y with f(x)
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3 years ago
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Find the value of x<br> A- 6<br> B-5<br> C-4<br> D-10
Snezhnost [94]

Answer:

x=4

Step-by-step explanation:

In triangle MLK

  • it is a equilateral triangle
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Now come to triangle MKJ

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MK=5

Hence

\longrightarrow\sf MJ=5

\longrightarrow\sf x+1=5

\longrightarrow\sf x=5-1

\longrightarrow\sf x=4

4 0
2 years ago
Sam has $400 in his bank account and plans to save $25 per week. Zoe has $250 in her bank account and plans to save $75 per week
elena-14-01-66 [18.8K]

Say x is the number of weeks until their money is equal. Then, we can set up an equation.

400 + 25x = 250 + 75x

Subtract 250 from both sides

150 + 25x = 75x

Subtract 25x from both sides

150 = 50x

Divide by 50 on both sides

3 = x

That means the answer is 3 weeks.

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3 years ago
Can someone help pls omg
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Answer:

see explanation

Step-by-step explanation:

Sum the sides of both polygons and equate.

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x + 4 + x + 2 + x + 5 = 2(x + 1) + 2(x + 3) ← distribute parenthesis

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11 = x + 8 ( subtract 8 from both sides )

3 = x

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60x = 8x + 26 ( subtract 8x from both sides )

52x = 26 ( divide both sides by 52 )

x = \frac{26}{52} = \frac{1}{2}

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