Answer: Another way of looking at it!
y
=
10
Explanation: Explanation:
This is a ratio question in disguise.
By parts of the question:
"When y varies directly with x"
→
y
x
"
"if y=8 when x=4"
→
.
.
y
x
=
8
4
"how do you find y when x=5"
→
y
x
=
8
4
=
y
5
so
y
=
8
×
5
4
=
10
This is the same thing as using 'k' in the other solution
Answer:
Salt and water.
Explanation:
Neutralization is a chemical reaction in which acid and base are introduced together to form salt and water. In this reaction hydrogen + ions react with hydroxide - ions to form the salt. This is an exothermic reaction as heat is released during this chemical reaction.
Given that a directional hypothesis is a prediction made by a researcher regarding a positive or negative change, relationship, or difference between two variables of a population, a two-tailed test is the perfect tool to validate it because a two-tailed test is designed to examine both sides of a specified data range.
So the final answer to this question is:
True.
<span>The currents would only travel north, south, east, and west
</span>
