Answer:
$.65 (sixty five cents)
Step-by-step explanation:
We have that

we know that
Is the equation of a vertical parabola open down
so
the vertex is a maximum
step 1
convert the equation of the parabola in the vertex form

the vertex (h,k) is the point (0,36)
Part a) The point on the graph where the height of the tunnel is a maximum is (0,36)
Part b) The points on the graph where the height of the tunnel is zero feet is when y=0
so
for y=0

the points are (-6,0) and (6,0)
see the attached figure
Answer:
2 months
Step-by-step explanation:
started with 20, an added 30 each month so 30 plus 30 equals 60, 2 months add it to 20, 60 plus 20 is 80. other girl started with nothing and added 40 each month so 40 plus 40 equals 80. also 2 months
Hi Arod20061,
Step-by-step explanation:
5% = 0.05
0.05 * 65 = $3.25 (Sales Tax)
65 + 3.25 = 68.25 (Price After Tax)
Answer:
The sales tax is <u>$3.25</u> and the total cost of the shirt is <u>$68.25</u>
Hope This Helps :)