Answer:
answer my question when done thanks``
Step-by-step explanation:
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Answer:

Step-by-step explanation:
Let
h -----> the number of hours, Elon works during one 5-day work week
we know that

Elon’s break time must be equal to 1/2 of an hour multiplied by 5 days plus 1/5 multiplied by the total hours h
so

Solve for h
Multiply by 10 both sides to remove the fraction




Answer:
Four more than half a number is twelve
Step-by-step explanation:
Four more than half a number is twelve
Work backwards with pythagoras' theorem:
c^2=a^2+b^2
Here, a and b both equal to x. Therefore, you can write this as 8^2=2x^2. So 64=2x^2. Sqrt on both sides to give you 8=2x, hence x=4. However I must warn you that this working out may have a flaw, as I found that x actually equals to 5.66