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3 years ago

10

When salt and water are combined, they form a salt or saline solution. How much ml of water must be added to 150 mL of an 80% sa

line solution to produce a 30% saline solution?

1 answer:

Karolina [17]3 years ago

3 0

50%. Might be wrong but all I did was reduce 30% from 80%

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Without measuring, how can you determine whether two sides of a polygon are congruent?

Alinara [238K]

Ow... this geometry is sure hard!!
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Wait a second. Nope.
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TWO SIDES!!
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ITT!!
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CONVERSE ITT!!
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Converse Isosceles Triangle Theorem!
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Look at the picture I attached.
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Two angles equal... THE SIDES ADJACENT TO IT EQUAL!!
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PERFECTO!!
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Hope I helped!!

Source: I am learning Honors Geometry, near end of course.

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3 years ago

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DochEvi [55]

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Simplified: 40

Step-by-step explanation:

To simplify this, we need to first separate the terms in this expression. There is a property of exponents that says: $x^{a+b} =x^ax^b$ We can do this same thing to simplify this expression. Next, we can simplify each of these terms. $2^2$ simply becomes 4. In the other term, the $2^{log_2}$ simply cancel each other and leave the 10. This means that we're left with 4*10, which is 40

$2^{2+log_210} \\\\2^2*2^{log_210} \\\\4*10\\\\40$

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2 years ago

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MrMuchimi

<span>83 as a sum of 8 tens and 3 ones
.....................................</span>

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3 years ago

Read 2 more answers