Is the Square Root of 225 Rational or Irrational? 225 can be expressed as the ratio of two integers. As 225 can be expressed as 225 = 225/1. Thus 225 is rational.
Answer:
The directrix is negative so the equation will be
x^2=4ay
x=-3
y=-5
a=x^2/4y
a=(-3)^2 /4*(-5)
a=9/20
x^2=4*(9/20)*y
x^2=9/5y
Step-by-step explanation:
The directrix always determine the equation to use. It is also important to notice the sign(-+).
5 inspections in 4 hours
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Larry rides his bike 0.5 miles per hour
<em><u>Solution:</u></em>
Given that Larry rides his bike at a rate of 8.8 inches per second
To find: Speed in miles per hour
So we have to convert 8.8 inches per second to miles per hour
<em><u>Use the conversion factor</u></em>
<em><u>Convert 8.8 inches per second to miles per hour</u></em>
Thus Larry rides his bike 0.5 miles per hour
