Write x^2-12+19 in the form (x+a)^2+b
1 answer:
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Answer:
The value of variable r in the equation is
Step-by-step explanation:
We need to find the value of variable r in the equation
Step 1: Write the equation
Step 2: Subtract 4 on both sides
Step 3: Divide both sides by 4
So, The value of variable r in the equation is
<u>Answer:</u>
<u>Step-by-step explanation:</u>
We know from the question that the student earned $12.50 <em>per hour</em>.
Using this information, we can say that if the student worked for <em>h </em>hours, they would make a total of 12.50 × <em>h </em>dollars.
We also know that the total money they earned is $2500.75.
∴ Therefore, we can set up the following equation:
From here, if we want to, we can find the number of hours worked by simply making <em>h</em> the subject of the equation and evaluating:
<em>h </em>=<em> </em>
= 200.6 hours