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Ilya [14]
4 years ago
11

Solution A is 30% alcohol and solution B is 60% alcohol. How much of each is needed to make 80 liters of a solution that is 45%

alcohol?
Mathematics
1 answer:
postnew [5]4 years ago
7 0
We need 80 liters of 45% alcohol
We have 30% alcohol and 60% alcohol.
This is relatively easy.  We need equal amounts of each.
There fore we mix 40 liters of 30% alcohol and 40 liters of 60% alcohol.

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expeople1 [14]
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5 0
3 years ago
Which is greater 0.5 liters or 400 millimeters
Lana71 [14]
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7 0
3 years ago
What is the image of 6, -7 after dilation by scale factor of 3 centered at the origin
earnstyle [38]

Answer:

(18,−21)

Step-by-step explanation:

Dilation: multiply each coordinate

(x,y)\rightarrow (3x,3y)

(x,y)→(3x,3y)

Dilations multiply by scale factor

(\color{red}{6},\color{blue}{-7}) \rightarrow (3\cdot \color{red}{6},3\cdot \color{blue}{-7})=\mathbf{(18,-21)}

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4 0
3 years ago
Please help me with the question. Will mark brainliest.
Inessa05 [86]

Step-by-step explanation:

A.) Ok, so the mean price for Southtown is 72,800.

And the mean price for middle town is 54,900

So Southtown has the higher mean price.

Explanation:

To find the mean. You must first add up all the numbers, then divide the total by how many numbers you added up.

72,000 + 50,000 + 68,000 + 93,000 + 81,000 = 364,000

Then,

364,000/ 5 = 72,800

B.) It is 17,900

Explanation:

72,800 - 54,900 = 17,900

Hope this helps you out!!! : )

6 0
3 years ago
The sales tax on a used car is​ $168168​, and the sales tax rate is 55​%. Find the purchase price ​(the price before taxes are​
Naily [24]

Answer:

$92492.40

Step-by-step explanation:

168168.00 - 55% (75675.60)= $92492.40

7 0
4 years ago
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