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Ganezh [65]
3 years ago
12

A circle has a radius of. An arc in this circle has a central angle of

Mathematics
1 answer:
Inessa [10]3 years ago
4 0
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If you listen
So give me a like
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A steam engine for pulling trains has wheels of diameter 1.5 metres.
Dima020 [189]

Answer:

The wheel completed a total of 212 turns.

Step-by-step explanation:

A wheel has a circular form, therefore its length is given by the following formula:

length = 2*\pi*radius

Where radius is half the diameter. Applying the data from the problem to calculate the length of the wheel gives us:

length = 2*\pi*(\frac{1.5}{2})\\length = 1.5*\pi = 4.7124

Since the engine traveled a distance of 1000 metres and each turn of the wheel has 4.7124 metres, in order to calculate the number of turns the wheel made in that course we need to divide both numbers as shown below:

turns = \frac{1000}{4.7124} = 212.21

The wheel completed a total of 212 turns.

3 0
3 years ago
PLEASE HELP ASAPPP<br> which systems of equations represents the matrix shown below??
natka813 [3]

Answer:

The answer to your question is the last choice.

Step-by-step explanation:

The first column represents the x

The second column represents the y

The third column represents the z

The last column represents the independent term

The first line represents the first equation

The second line represents the second equation

The third line represents the last equation

From the previous information, we conclude that the answer is the last choice.

5 0
3 years ago
Read 2 more answers
Is y = 7/8x proportional or non-proportional??
kati45 [8]

Answer:

It is proportional

Step-by-step explanation:

May have brainllest I only need 39 more to get to genius

5 0
3 years ago
Lol can you help if you can
ratelena [41]

Answer:

y= (x - 12)^3

y= (x - 4)^3

Step-by-step explanation:

Shift to the right is a horizontal shift so it needs to be with x in the parenthesis. And negative because it is to the right.

y= (x - 12)^3

y= (x - 4)^3

are the two that fit those criteria

3 0
3 years ago
Read 2 more answers
23 20' 48" is the same as _____. <br><br> Round to the nearest hundredth of a degree.
pentagon [3]
23° 20' 48" in degrees

Minutes are 1/60 of a degree and seconds 1/60 of a minute.

Let's convert the 48" to minutes.
48/60 = 0.8

23° 20' 48" ⇒ 23° 20.8'

Let's convert the 20.8' to degrees.
20.8/60 ≈ 0.3466667

23° 20.8' ⇒ 23.35°
3 0
3 years ago
Read 2 more answers
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