A shirt is regularly priced at $42. It is on sale for 15% off of the regular price. What is the sale price of the shirt?

Mathematics

2 answers:

agasfer [191]2 years ago

4 0

Answer:

$35.70

Step-by-step explanation:

15% of 42 = 6.3

42 - 6.3 = 35.7

Aleonysh [2.5K]2 years ago

4 0

Answer:

$35.7

Step-by-step explanation:

you can convert 15% to a decimal by dividing by 100.

15/100 = .15

if you multiply the decimal by the cost of the shirt you get how much the discount is.

0.15 * $42 = 6.30

so a 15% discount on a $42 shirt is $6.30 off. So you subtract the discount from the total cost.

$42 - $6.30 = $35.7 that is the sale price of the shirt.

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2 years ago

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coldgirl [10]

Answer:

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Step-by-step explanation:

Given y = (x - 5 ) * ( x + 1 )

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See attachment.

The vertex of the parabola is the Top.

The vertex of a parabola is the point where the parabola crosses its axis of symmetry.

If the coefficient of the x² term is positive, the vertex will be the lowest point on the graph, the point at the bottom of the “ U ”-shape. If the coefficient of the x² term is negative, the vertex will be the highest point on the graph, the point at the top of the “ U ”-shape.

The standard equation of a parabola is it

y = ax² + bx + c.

But the equation for a parabola can also be written in "vertex form": y = a(x−h)² + k

In this equation, the vertex of the parabola is the point (h,k) = (2, -9)