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liubo4ka [24]
2 years ago
9

A Web music store offers two versions of a popular song. The size of the standard version is 2.3 megabytes (MB). The size of the

high-quality version is 4.2 MB. Yesterday, there were 990 downloads of the song, for a total download size of 3427 MB. How many downloads of the standard version were there?
Mathematics
1 answer:
Tju [1.3M]2 years ago
8 0

Step-by-step explanation:

If there was 3427 MB, the lower quality would've gotten 1,490 sales alone.

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7 is the answer because 7 is great and is always the answer

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a craftsman drill is on sale for $99.99. If the sales tax rate is 7%, how much will molly have to pay for the drill?
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8 0
3 years ago
Which inequality is equivalent to 7x-2y>8?
Crazy boy [7]
7x-2y\ \textgreater \ 8  \\  7x-8 \ \textgreater \ 2y   /:2  \\   \frac{7}{2} x -4\ \textgreater \ y  \\  y\ \textless \  \frac{7}{2} x-4
4 0
3 years ago
A rectangular skateboard park has an area of x^2+15x+56 what are the possible dimensions
alexira [117]
For this case we have the following expression:
 x ^ 2 + 15x + 56
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 Factoring we have:
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7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7Br%7D%7B2%7D%2B%5Cfrac%7Bs%7D%7Br%7D%20-%5Cfrac%7Br%7D%7B4%7D%2B%5Cfrac%7B1%7D%7B5%7D
zloy xaker [14]

Answer:

-1/20

Step-by-step explanation:

r/2 + s/r - r/4 + 1/5 =

= -1/2 + 0/(-1) - (-1)/4 + 1/5

= -1/2 + 1/4 + 1/5

= -10/20 + 5/20 + 4/20

= -5/20 + 4/20

= -1/20

3 0
3 years ago
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