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brilliants [131]
3 years ago
15

Does anyone know the answer ?

Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0
The second one it's double.
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How many liters of 10% alcohol solution and 5% alcohol solution must be mixed to obtain 40 liters of 8%
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Answer:

x+y=40liters

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(2x+y)/20=8%×40

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A recipe for a blueberry dessert requires 5 cups of fresh blueberries for every 312cups of whipped cream. At this rate, how much
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3. A website allows users to download individual songs or whole albums.
victus00 [196]

Answer:

Each song costs $2 and each album costs $10.

Step-by-step explanation:

Since a website allows users to download individual songs or whole albums, and all songs cost the same price to download and all albums cost the same price to download, and Karim pays $ 30 to download 5 songs and 2 albums while Kimberlyn pays $ 26 for download 3 songs and 2 albums, to determine what is the cost to download 1 song and the cost to download 1 album, the following calculations must be made:

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Thus, to know the cost of each album (knowing that both downloaded the same amount, that is, 2), the following calculation must be performed:

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5 0
3 years ago
Round 4.8367 to<br> the thousandths place.
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Step-by-step explanation:

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the 7th grade class plans to collect at least 600 pairs of socks for people in need. so far, 135 pairs have been collected. how
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