Answer: First, write the equation,
t² - 15 = 0
Now, we shift the (-15) to RHS,
t² = 15
So, t = - √15 = -3.87 or + √15 = + 3.87
Miles per minute or miles per hour depending on how you did it.
Answer:
Not if you want it to be a positive number. You can but it will be a negative.
Step-by-step explanation:
Answer:
the third one
Step-by-step explanation:
area of a circle vs. it's diameter