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Ivenika [448]
3 years ago
10

Mr. Jacobs is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data

into a stem-and-leaf plot and then make the histogram from the stem-and-leaf plot. The test scores are listed below.
79, 82, 65, 61, 94, 97, 84, 77, 89, 91, 90, 83, 99, 71, 68, 77, 87, 85

How many bars will his histogram have?

A. 60-69

B. 70-79

C. 80-89

D. 90-99
Mathematics
2 answers:
DaniilM [7]3 years ago
6 0

Answer:

b 70-79

Step-by-step explanation:

larisa86 [58]3 years ago
5 0

Answer:

answer is B

Step-by-step explanation:

because there is more 70s numbers there then anything else

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A plumber charges $60 for a service call, plus $40 per hour for any work completed. Which graph below shows the total amount the
alexdok [17]

using slope intercept equation

\begin{gathered} y=mx+b \\ \text{where} \\ m=\text{slope} \\ b=y-\text{intercept} \end{gathered}

Therefore, the equation is

\begin{gathered} y=60+40x \\ x=\text{hour of work} \\ y=\text{charges in dollars} \\ y=40x+60 \end{gathered}

let us test the x values to know the graph

\begin{gathered} y=40x+60 \\ y=40(1)+60=100 \\ y=40(2)+60=140 \\ y=40(3)+60=180 \\ y=40(4)+60=220 \\ y=40(5)+60=260 \\ y=40(6)+60=300 \end{gathered}

The answer is B

6 0
1 year ago
Pls help no need for long explanations just a summary ​
mr Goodwill [35]

Answer:

<em>FG - it is midline. FG = 5.</em>

Explanation:

<em>A midline in a triangle is a line segment connecting the midpoints of two sides.</em>

<em>A midline is half the length of the side to which it is parallel.</em>

<em />\dfrac{CE}{FG} =2\\\\ \dfrac{9x-26}{7x-23} =2\\\\9x-26=2(7x-23)\\9x-26=14x-46\\14x-9x=46-26\\5x=20\\x=4<em />

<em>CE = 9 · 4 - 26 = 10</em>

<em>FG = 10/2 = 5</em>

8 0
3 years ago
Solve for me please thank you
hammer [34]
The answer to those options is of course C
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Jenna had fifteen dimes.
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3 years ago
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