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8090 [49]
3 years ago
5

In a histogram, are the lengths of the rectangles proportional to the width of the bars?​

Mathematics
2 answers:
mart [117]3 years ago
8 0

Answer:

No

Step-by-step explanation:

Length is the frequency density which is obtained by:

Frequency/width

Height is not proportional to width.

Frequency is proportional to the area of the rectangle

Orlov [11]3 years ago
5 0

Answer:

No

Step-by-step explanation:

In different scenarios, the data will be different. However, sometimes, it's impossible to draw a histogram with equal widths, so in order to maintain clarity and fairness, the area of the bars should actually be proportional to the frequency, which is usually the y-axis of the graph or height of the bars.

Hope this helps!

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In a race , Ram covers 5 km in 20 min. How much distance will he cover in 100 min ?
bulgar [2K]

Answer:

25 km

Step-by-step explanation:

1 km in 4m

so

100/4 = 25

25km

4 0
3 years ago
The formula d = rt. Find how long it takes an airplane to fly 375 at 500 miles per hour
8090 [49]
375=500t 375/500=t 0.75=t
8 0
3 years ago
I’m actually so dumb!!!<br> How???<br> Answer???
Pani-rosa [81]

Standard form: 2x - 16 = 0

Factorization: 2(x - 8) = 0

Solutions: x = 16/2 = 8

Hope this helps!

6 0
3 years ago
Read 2 more answers
M is proportional to the cube of r. when r=3m,m=216.when r=5 find the value of m
klio [65]

Answer:

The value of m is 1000 for r=5

Step-by-step explanation:

Given that m is proportional to the cube of r

It can be written as:

m \propto\ r^3

When the proportionality symbol is removed a proportionality constant is introduced in the equation.

Let k be the proportionality constant

m = kr^3

Given

r=3,m=216

Putting the values

216 = k(3)^3\\216 = k * 27\\k = \frac{216}{27}\\k = 8

The equation will now become

m = 8r^3

Putting r = 5

m = 8(5)^3\\m = 8 * 125\\m = 1000

Hence,

The value of m is 1000 for r=5

7 0
3 years ago
Help its for a gradeee
Fudgin [204]

Answer:

B

Step-by-step explanation:

Both of them have the same variable and are both raised to the 5th power (Like the example in the last sentence of the text)

5 0
2 years ago
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