Answer:
10 kg
Step-by-step explanation:
In 3% concentration of 20 kg of seawater, there will be 
kg of salt.
So, if it is a 2% solution of seawater,
Then 2 kg salt will be there in 100 kg solution.
So, 0.6 kg salt will be there in 
kg of solution.
So, to make a solution from 3% to 2% we have to add (30 - 20) = 10 kg of water with a 20 kg solution. (Answer)
Polynomials are not closed under division. When you divide polynomials it is possible to get quotients with negative exponents or with fractions that have exponents in the denominator, and neither of these could be included in polynomials.
Answer:
In 3 - 5:
3 + (-5), and -5 + 3
In 5 - 3:
5 + (-3), and -3 + 5
Step-by-step explanation:
Category : 3 - 5
Values must equal -2
3 + (-5) = 3 - 5 = -2
-5 + 3 = -2
Category : 5 - 3
Values must equal 2
5 + (-3) = 5 - 3 = 2
-3 + 5 = 2
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-Chetan K
Answer:
The slope of the line is 1/2.
Step-by-step explanation:
2
x
−
4
y
=
10
(Subtract 2
x
from both sides.)
−
4
y
=
−
2
x
+
10
(Divide both sides by -4.)
y
=
−
2
x
−
4
+
10
−
4 (Simplify.)
y
=
1/2
x
−
5
/2
y=1/2
