Solve the equation sqrt x+3+4 =5 for the variable. Show each step of your solution process.

1 answer:

3 0

$Domain:\\x+3\geq0\to x\geq-3\\\\\sqrt{x+3}+4=5\ \ \ \ |-4\\\\\sqrt{x+3}=1\ \ \ |^2\\\\(\sqrt{x+3})^2=\pm1^2\\\\x+3=\pm1\ \ \ \ |-3\\\\x=-4\notin D\ \vee\ x=-2\in D\\\\Answer:\ \boxed{x=-2}$

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Answer:

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Step-by-step explanation:

Find out how long it it between 5.30pm and 9am. This is 8 hours 30 minutes or 510 minutes.

Now, arrange them in the ratio of Lunch Break to Total office time

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Please check if the question is worded correctly, just in case. Because ratio questions are usually based on a part and the remaining parts of the same thing, and not part to whole.

Anyway. The answer given if for the question you have typed.

Hope this helps.

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