Answer:
69,78!!
Step-by-step explanation:
Espero te sirva
X decreased by the square of nine
x - 9^2 = x - 81
121- 88 = 33 miles traversed in 30 minutes.
d = r*t
33 = r* (.5 hr)
Solve for r.
Average speed will be in miles per hour.
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Answer:
Solve the equation for s by finding a , b , and c of the quadratic then applying the quadratic formula.
s
=
−
2
Double roots
First, you have to find<span> the axis of symmetry and vertex. Next, make a function to model a linear relationship between the two quantities. Finally, find the rate of change and </span>initial value<span> of the function from a description of a relationship or from 2 (x , y) </span>values<span>, including reading these from graph or a table.</span>
