Randy ordered 3 T-shirts for $25.67 each and one skirt for $23.55 and an 8% tax. What is the total cost of the order?
2 answers:
Answer:
Find out the what is the total cost of the order .
To prove
As given
Randy ordered 3 T-shirts for $25.67 each and one skirt for $23.55 and an 8% tax.
Cost of the 3 T-shirts = 3 × 25.67
= $ 77.01
Cost of one skirt = $23.55
Total cost of the 3 T-shirts and one skirt = $ 77.01 + $23.55
= $ 100.56
8% is written in the decimal form
= 0.08
Tax price = 0.08 × 100.56
=$ 8.0448
Total cost of the order = Total cost of the 3 T-shirts and one skirt + Tax price
= $ 100.56 + $8.0448
= $ 108.0448
= $108.05 (Approx)
Therefore the total cost of the order is $108.05 (Approx) .
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Answer:
Step-by-step explanation:
we know that
The directrix of the parabola is perpendicular to the axis of symmetry of the parabola
In this problem the directrix is y=-3.5
so
The axis of symmetry is parallel to the y-axis
we have a vertical parabola
Also, the vertex is at the origin
That means-----> the parabola open upward
The equation of a vertical parabola can be written as
where
p is the distance between the vertex and the directrix
In this problem
the distance between the vertex and the directrix is 3.5
----> the value of p is positive because the parabola open upward
substitute
isolate the variable y