WILL GIVE BRAINLIEST!!!!!! AND 40 POINTS
1 answer:
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Answer:
340 degrees
Step-by-step explanation:
So the key thing here is to notice that we are given the circumference which will allow us to find a value for the radius of the circle and hence the angle subtended by the arc (the central angle).
So the circumference of a circle = 2pi(r)
This means:
6 = 2pi(r)
Which means that
r = 6/2pi or r = 3/pi
Now we can use this value of r to find our angle in conjunction with the value of the arc length. So:
Arc length is defined by: length = θr
Where θ is our angle value.
So lets plug in:
Multiply by pi to get:
Divide by 3 to get that:
θ = 17pi/9
So if we convert that from radians to degrees we get 340 degrees.
Answer:
There were 440 Standard version of songs downloaded in Web music store.
Step-by-step explanation:
Given,
Total number of songs downloaded = 1310
Total size of the downloaded songs = 4752 MB
Size of standard version of song = 2.1 MB
Size of high quality version of song = 4.4 MB
Solution,
Let the number of standard version of song be 'x'.
And also let the number of high quality version of song be 'y'.
Now, total number of songs is the sum of total number of standard version of song and total number of high quality version of song.
On framing the above sentence in equation form, we get;
Now, Total size of the downloaded songs is the sum of total number of standard version of song multiplied with size of standard version of song and total number of high quality version of song multiplied with size of high quality version of song.
On framing the above sentence in equation form, we get;
Multiplying with 10 on both side, we get;
Now multiplying equation 1 by 21, we get;
Now subtract equation 3 from equation 2, we get;
On substituting the value of y in equation 1, we get the value of x;
Hence There were 440 Standard version of songs downloaded in Web music store.