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zavuch27 [327]
3 years ago
7

Will mark brainliest!!

Chemistry
1 answer:
olga2289 [7]3 years ago
6 0

Answer:

I think its B im not sure

but i hope this helps

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You need a 20% alcohol solution. on hand, you have a 240 ml of a 15% alcohol mixture. you also have 40% alcohol mixture. how muc
juin [17]
0.15*240=36 ml of alcohol in <span>240 ml of a 15% alcohol mixture
0.4x = </span>ml of alcohol in x ml of a 40% alcohol mixture
0.2(x+240)= ml of alcohol in (x+240) ml of a 20% alcohol mixture

0.15*240 + 0.4x = 0.2(x+240)
36+0.4x=0.2x+48
0.2x = 12
x=12/0.2=120/6=20 ml  of a 40% alcohol mixture
4 0
3 years ago
Please help both these answers use the graph . I will mark brainly !!
____ [38]

1 is 4

2 is d

hope it helps


3 0
3 years ago
based on the cause and effect relationship between the magnets, which phenomenon is the teacher modeling for her students.
faltersainse [42]

Answer:

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Explanation:

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2 years ago
Suppose you will fill a glass with ice cubes. When the ice cubes melt, is the glass still full
goblinko [34]
No. It will not still be full. The reason being is because when it melts, it's almost the same thing as compacting things down into another object (container). Therefore, you will have some room left i the glass. Like, if your trashcan was over-flowing, and you push it down to compact it so you can add more trash. So when the ice melts, it will not be full.
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Think about the clouds in the water cycle. Where does the water cycle begin?
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<span>The water cycle has no starting point. But, we'll begin in the oceans, since that is where most of Earth's water exists</span>
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Read 2 more answers
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