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yuradex [85]
3 years ago
10

Does anyone know how to do Histogram work

Mathematics
1 answer:
KIM [24]3 years ago
5 0
75 employees are 60 and over

This is calculated by multiplying the class width by the frequency density

So 10x6 and 5x3

10x6=60
5x3=15

60+15=75

I cant figure out part b though. Sorry

Hope this has helped you though
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In the after school Dena, Shawn, and Amanda knit scarfs that are the same size with yellow, white, and blue yarn. Denas scarf is
jenyasd209 [6]

Answer:

\frac{8}{20}

Step-by-step explanation:

We have been given that in the after school Dena, Shawn, and Amanda knit scarfs that are the same size with yellow, white, and blue yarn. Denas scarf is 2/5 yellow, Shawn's scarf is 3/5 , and Amanda's scarf is 3/4 yellow.

To make Amanda's argument true, let us compare each fraction by making a common denominator.

We can see that least common denominator of each fraction would be 20.

\text{Dena's scarf}=\frac{2}{5}\Rightarrow\frac{2*4}{5*4}=\frac{8}{20}

\text{Shawn's scarf}=\frac{3}{5}\Rightarrow\frac{3*4}{5*4}=\frac{12}{20}

\text{Amanda's scarf}=\frac{3}{4}\Rightarrow\frac{3*5}{4*5}=\frac{15}{20}

Since \frac{8}{20} , therefore, Amanda's scarf has the most yellow.

8 0
3 years ago
Please help me how do i solve 0.75a = -9 using a two step equation
Harrizon [31]
You would divide both sides by 0.75, to get a=-12.

I think this is a one- step equation, but that is the only way I think you can solve it.
8 0
3 years ago
Read 2 more answers
Liang enlarged a photograph to 1 3/4 times it original size. The original photograph was 5 inches wide. What was the width of th
Alja [10]
8.75 inches
5 divided by 4 is 1.25
1.25 x 3 = 3.75
3.75 + 5 = 8.75
7 0
4 years ago
The width of a rectangle measures (2h-6) centimeters, and its length measures (7h+8) centimeters. Which expression represents th
dedylja [7]

Answer:

18h +4

Step-by-step explanation:

The perimeter of a rectangle is given by

P = 2(l+w)  where l is the length and w is the width

  =2( 7h+8 + 2h-6)

Combine like terms

  = 2( 9h+2)

Distribute

   = 18h +4

4 0
3 years ago
A circle has a circumfence of 3.14 units what is the diameter of this circle ?
Agata [3.3K]

Answer:

Step-by-step explanation:

4 0
3 years ago
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