An electronics store makes a profit of $30 for every portable DVD player sold and $60 for every DVD recorder sold. The manager’s
2 answers:
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Answer:
The focus is:
Step-by-step explanation:
Given
Required
Determine the focus
The focus of a parabola
is:
So, we have:
Cross multiply
Rewrite as:
Rewrite as:
Express 8 as 4 * 2
By comparison with:
So, the focus is:
<h3>Answer ↓</h3><h3>Calculations ↓</h3>
In order to make a the subject of this equation , we need to get a by itself .
The current equation is :
v = u + at
Subtract u on both sides :
v-u=at
Now, divide by t on both sides :
v-u/t=a
<h3>So the formula looks like ↓</h3>hope helpful ~
