Answer: 3600 seconds
Step-by-step explanation:
60 seconds in a minute
60 minutes in an hour
(60)(60) = 3600
The system of equations have no solution.
Explanation:
The equations are
and 
To find the two numbers, let us solve the equations using substitution method.
From the equation
, let us determine the value of r,

Let us substitute the value of r in
, we get,

which is not possible.
This means that the system has no solution.
<em>The answer to your question would be 54</em>
<em />
<em>Work Shown:</em>
<em />
<em>5-2(5-27+5</em>
<em>Calculate with parenthesis (5-27): -22</em>
<em>5-2(-22)+5</em>
<em>Multiply and divide (left to right) 2(-22): -44</em>
<em>5-(-44)+5</em>
<em>Add and subtract (left to right) 5-(-44)+5</em>
<em>54</em>
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Answer:
concentration = 8/84 + 8 = 0.8696
Step-by-step explanation: