Answer:
<h3> sum of the roots:From Vieta's formulas applied to quadratic polynomial we have:
if then
sum of roots:
product of the roots:
Two hundred teenagers were surveyed to see what kind of background noise they preferred while doing homework. Which table best r
2 answers:
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Answer: 1. 210 meters per second .
2. 756 kilometers per hour.
Step-by-step explanation:
Given : The formula to calculate the estimated speed, in meters per second of a tsunami.
1. If the disturbance occurred at an ocean depth of 4,500 meters.
Then put d= 4500 in the above formula , we get
Hence, if the disturbance occurred at an ocean depth of 4,500 meters , the estimated speed would be 210 meters per second .
Also, A meter per second is equal to 3.6 kilometers per hour.
i.e. 1 meter per second = 3.6 kilometers per hour
Then by unitary method ,
210 meters per second = kilometers per hour
=756 kilometers per hour.
Answer:
(-10,-40)
Step-by-step explanation:
Here is a picture of the way I did it.
