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WITCHER [35]
3 years ago
15

in an online media store,download songs cost $3 each and books cost $9 each. Taslimah paid $7 in sales tax when she purchased 15

songs and 3 books. Find how much taslimah spent in total, including sales tax.
Mathematics
2 answers:
ladessa [460]3 years ago
5 0
Tashlimah spent a total of $79
vfiekz [6]3 years ago
4 0

songs cost $3 each

15 songs cost 15 * $3 = $45

books cost $9 each

3 books cost 3 * $9 = $27

Taslimah paid $7 in sales tax

Add the cost of the songs, the books and the sales tax to find the total.

total = $45 + $27 + $7 = $79

Answer: $79

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h= \frac{-b}{2a}
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Now to find our second point, we are going to evaluate our parabola at x=0
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We can conclude that we can graph the parabola f(x)=2x^2-12x+19 using its vertex (3,1) and the point (0,19) as follows: 

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