Is - 5/12 equivalent to 5/-12
1 answer:
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Answer:
Step-by-step explanation:
Recall the vertex form of a quadratic equation:
Where (h,k) is the vertex.
We are told that the vertex is (0,0). Therefore:
Simplify:
So, to finish the equation, we need to find a.
We know that a point is (2,1). Thus, substitute 1 for f(x) and 2 for x:
Square:
Divide both sides by 4:
So, our a value is 1/4.
And we can thus complete our equation:
And we are done :)
Cara’s total earnings in a month in which she sells $40,000 worth of merchandise is $ 4200
<h3><u>Solution:</u></h3>Given that Cara earns a base pay of $1,800 per month at a car dealership plus a commission of 6% of her sales
Let us first calculate commission earned from selling $40,000 worth of merchandise
commission earned from selling $40,000 = 6 % of $ 40,000
Also given that Cara earns a base pay of $ 1800 per month
So Cara’s total earnings in a month in which she sells $40,000 worth of merchandise is calculated by adding commission earned $ 2400 to base pay $ 1800 per month
<em>Cara’s total earnings in a month = base pay + commission earned</em>
Cara’s total earnings in a month = $ 1800 + $ 2400 = $ 4200
Thus the total earning of Cara in that month is $ 4200