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:
As the pH rises, the concentration (toxicity) of the ammonia also increases. When the pH level increases above 9, most of the ammonium in the water is converted into toxic ammonia (NH3), which can kill fish. ... The Nitrobacter bacterium feeds on the nitrites in the water and converts them into nitrate (NO3).
Explanation:
test the ph balance.
A Margin Requirement is the percentage of marginable securities that an investor must pay for with his/her own cash. It can be further broken down into Initial Margin Requirement and Maintenance Margin Requirement.
False, the Moon's shadow is cast upon the Earth during a solar eclipse, not a lunar eclipse.
+ I just took the test so I can guarantee it's right.
Answer: False.
Women and others in the late 19th century were mostly underestimated due to their gender, or race. Beginning in the late 19th century, women worked for broad-based economic and political equality and for social reforms; They seek to fight for their suffrage to change the voting laws since the laws forbade them to be able to vote.
