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Step2247 [10]
3 years ago
13

The hand spans, to the nearest cm, of some students in a class are shown below: 19, 22, 21, 15, 18, 22, 17, 19, 16, 21, 19, 18,

22, 20, 21, 22, 19, 15, 17, 21 Henry created the following incorrect dot plot to represent the data: Dot plot showing 2 dots over 15, 1 dot over 16, 2 dots over 17, 2 dots over 18, 4 dot over 19, 1 dot over 20, 5 dots over 21, and 4 dots over 22 What should Henry do to make the dot plot correct?
Mathematics
2 answers:
Greeley [361]3 years ago
7 0
Your Answer is D, delete 1 dot on 21.
docker41 [41]3 years ago
7 0
<h2>Answer:</h2>

He should remove one dot over 21 so that the actual data plot and his data plot matches.

<h2>Step-by-step explanation:</h2>

We are given a set of data points as:

19, 22, 21, 15, 18, 22, 17, 19, 16, 21, 19, 18, 22, 20, 21, 22, 19, 15, 17, 21

on making the frequency table of these data points.

             Hand span(cm)            Frequency

                     15                                2

                     16                                1

                     17                                2

                     18                                2

                     19                                4

                     20                               1

                     21                                4

                     22                               4

Hence, when we will make the dot plot of it then:

There must be:

2 dot over 15

1 dot over 16

2 dot over 17

2 dot over 18

4 dot over 19

1 dot over 20

4 dot over 21

and 4 dot over 22

<u>But according to Henry it was given:</u>

2 dots over 15

1 dot over 16

2 dots over 17

2 dots over 18

4 dot over 19

1 dot over 20

5 dots over 21

and 4 dots over 22

Hence, Henry should remove one dot over 21 in order to get the correct dot plot.

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Answer:

1.03 inches per minute

Step-by-step explanation:

8 0
3 years ago
Which one of the fractions is the smallest?<br><br> A) 1/2<br> B) 3/20<br> C) 3/8<br><br> pls help
marshall27 [118]
3/20


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1/2 is the largest
3/8 is the second largest
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3 0
3 years ago
Read 2 more answers
(3,10) and (6,13)Put in slope-intercept form
spayn [35]

ANSWER

y = x + 7

EXPLANATION

We want to use the two points to form a linear equation in slope-intercept form.

That is in the form:

y = mx + c

To do this, we first find the slope by using formula:

m\text{ = }\frac{y_2-y_1}{x_2-x_1}

where (x1, y1) = (3, 10)

(x2, y2) = (6, 13)

So, we have that:

\begin{gathered} m\text{ = }\frac{13\text{ - 10}}{6\text{ - 3}} \\ m\text{ = }\frac{3}{3} \\ m\text{ = 1} \end{gathered}

The slope, m, is 1.

Now, we use the point-slope formula to find the equation. That is:

\begin{gathered} y-y_1=m(x-x_1) \\ \Rightarrow\text{ y - 10 = 1(x - 3)} \\ y\text{ - 10 = x - 3} \\ =>\text{ y = x - 3 + 10} \\ y\text{ = x + 7} \end{gathered}

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4 0
1 year ago
Test worth 75 points ; test score of 96%
vfiekz [6]
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He missed 3 points. 
6 0
3 years ago
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A tortoise is walking in the desert. It walks at a speed of 2 meters per minute for 2.56 meters. For how many minutes does it wa
zaharov [31]

distance = rate * time

2.56 meters = 2meter/min * t

divide by 2 on each side

2.56/2 =t

1.28 minutes =t

8 0
3 years ago
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