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stiv31 [10]
3 years ago
15

What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?

Mathematics
1 answer:
vodomira [7]3 years ago
6 0

Answer: C.V=C1.V1 +C2.V2

Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%

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What is the volume of a sphere with a radius of 3 inches?
Vilka [71]

Answer:

36π cubic inches

Step-by-step explanation:

V = 4/3 πr³

radius (r): 3

= 4/3π(3)³

= 4/3π (27)

= 36π

3 0
3 years ago
The estimated product of two numbers that are not multiples of 10 is 2800. what is the question?
Nitella [24]
You need to find the 2 numbers that will estimate to the nearest hundred.
here is your answer 13 x 213
4 0
3 years ago
If anyone can help with number 4
Klio2033 [76]
If you do 27-12 (which is 15) you add 15 to 13 and 20
3 0
3 years ago
What is the Point slope equation
anastassius [24]

Answer:

y - y1 = m(x - x1)

Step-by-step explanation:

The point slope form equation is [ y - y1 = m(x - x1) ]

(x1, y1) is any given point on the line.

m is the slope.

To solve this you would need these things:

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Best of Luck!

3 0
3 years ago
a manufacturer ships its product in boxes with edges 4inches. if 12 boxes Are put in a carton and completely fill the carton, wh
Soloha48 [4]
The volume of a box is equal to the product its width, length and height
V = whl
Since all of the sides are 4 inches, we end up with
V= 4*4*4
Simplify to V = 16*4 = 64.
If the volume of one box is 64:
V = 64
The volume of 12 boxes is 64 * 12.
12V = 768
Since the volume of 12 boxes is the same as the volume of the carton, the volume of the carton must be 768 cubic inches.
4 0
3 years ago
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