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DENIUS [597]
3 years ago
8

You need a 35% alcohol Solution on hand you have a 270 mL of a 30% alcohol mixture you also have 80% alcohol mixture how much of

the 80% mixture will you need to obtain the desired solution
you will need
_____mL of the 80% solution
_____mL of the desired 35% solution​
Mathematics
1 answer:
FinnZ [79.3K]3 years ago
4 0
Hdhdhdudbfbdjfndbfhhdhfud your welcom
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A city stretches for 480,000 meters in its greatest dimension. The mayor is having a model of the city created. The
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The diagram shows a triangle. What is the value of w?​
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(8m-3n)^2 - (4m+3n)^2​
natulia [17]

Answer:

48m^2-72mn

Step-by-step explanation:

We need to solve (8m-3n)^2 - (4m+3n)^2

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Using the above formula,

(8m-3n)^2 - (4m+3n)^2=(8m)^2+(3n)^2-2(8m)(3n)-[(4m)^2+(3n)^2+2(4m)(3n)]\\\\=64m^2+9n^2-48mn-(16m^2+9n^2+24mn)\\\\=64m^2+9n^2-48mn-16m^2-9n^2-24mn\\\\=48m^2-48mn-24mn\\\\=48m^2-72mn

So, the final answer is 48m^2-72mn.

4 0
3 years ago
I urgently need help!!!!!!
Lera25 [3.4K]

Answer:

You are given a right triangle. The sum of the two acute angles should add up to 90 degrees. Set up an equation using the expressions given and solve for x. Once you know the value of x plug it back into each expression to find the measure for each angle.

Step-by-step explanation:

Angle 1 + angle 2 = 90

solve for x = ____

Plug the value into each expression to find the measure of each angle.

5 0
3 years ago
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The midpoint is the middle, which is the average. So you would do 6.9+1.7 which is 8.6 then divide it by 2, giving you the answer 4.3.

4.3 inches of rainfall is the midpoint

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3 years ago
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