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ira [324]
4 years ago
9

Let's Practice

Mathematics
1 answer:
ivolga24 [154]4 years ago
4 0

Answer:

42 it is

Step-by-step explanation:

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A Web music store offers two versions of a popular song. The size of the standard version is 2.1 megabytes (MB). The size of the
fiasKO [112]

Answer:

H=310

Step-by-step explanation:

This problem is a great systems of equations problem--you have two different variables: song size and number of songs.

Let's call the number of standard version downloads (S) and the high quality downloads (H).

You can make two statements:

For number of songs downloaded: S + H = 910

For download size: 2.8(S) + 4.4(H) = 3044.

S will be the same number in both equations and H will be the same number in both equations, so to find S, we can rearrange the first statement to H = 910 - S, then substitute or plug in (910 - S) wherever you see an H in the second equation so that you have only S's in your equation. Should look like this:

2.8(S) + 4.4(910 - S) = 3044

2.8S + 4004 - 4.4S = 3044

-1.6S = -960

s = 600

Your question only asks for the standard version downloads, but to help you out in future Systems situations-

You can also solve for H once you have S by plugging it into either of your equations like this:

600 + H = 910

-600

Hope this helps!

7 0
2 years ago
EXPERT HELP I'LL GIVE BRAINLIEST:
grin007 [14]

Answer:

answer is 75 square feet

Step-by-step explanation:

area is length time width

8×6=48

to find area of triangle is length time witdht/height divided by 2

6×4=24/2=12

5×6=30/2=15

15+12+48=75

5 0
3 years ago
Read 2 more answers
Which formula would be used to find the measure of angle 1?
Stels [109]
What’s angle 1? U need to post a pic
7 0
3 years ago
720 m/day = m/min <br> Show work.
geniusboy [140]
The answer is 30 because a day is 24 hours so all I did was divide 720 and 24 and it gave me 30. I’m glad that I helped
7 0
3 years ago
Is 7/11 a irrational number
frozen [14]

Answer: No, it’s rational number

5 0
4 years ago
Read 2 more answers
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