How many children answered any adults?
2 answers:
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The equation of the parabola is:
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The <em>equation </em>of a parabola of vertex (h,k) and focus (0,f) is given by:
- Vertex at the origin means that
.
- Focus (0,6) means that
Thus, the equation of the parabola is:
A similar problem is given at brainly.com/question/15165354
Store A will be the better buy.
The price will be $53.70 after sales tax at store A.
Step-by-step explanation:
Price of Jacket at store A = $59.60
Discount = 15%
Discount Amount =
Discount Amount =
Price after discount = Original price - Discount amount
Price after discount = 59.60 - 8.94 = $50.66
Price of Jacket at store B = $50.99
The price at store A becomes less than store B after discount, therefore, buying from store A is better.
Sales tax = 6%
Sales tax amount =
Sales tax amount =
Price after sales tax = Discount price at store A + Sales tax amount
Price after sales tax = 50.66 + 3.0396 = $53.6996
Rounding off to nearest hundredth;
Price after sales tax = $53.70
The price will be $53.70 after sales tax at store A.
Keywords: percentage, addition
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