Answer:
Step-by-step explanation:
subtract 12x from both sides, then divide by twelve.
On a number line, numbers always increase to the right and decrease to the left. Numbers to the right are greater than numbers to the left and numbers to the left are less than numbers to the right.
The hydronium ion is H₃O⁺ and its concentration is equivalent to the H⁺ ion concentration. The H⁺ ion concentration is given by:
pH = -log[H⁺]
[H⁺] = 10^(-8.2)
[H⁺] = 6.31 x 10⁻⁹ mole/dm³
The hydronium ion concentration is 6.31 x 10⁻⁹ mole/dm³
Answer:
A. m+7n+14
Step-by-step explanation:
Add parenthesis to help simplify.
(5m-4m)+(22-8)+7n
Simplify the expression.
m+7n+14
Answer: 98
Step-by-step explanation: 25+24+25+24
There are two parts to a rectangle. The opposite sides are the same. You add them all up to equal 98.
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