A speed skater covered 1500 meters in 106.43 seconds.Whats the unit rate in meters per second?CAN SOMEONE HELP ASAP
2 answers:
Answer:
unit rate in meters per second is, 14.094
Step-by-step explanation:
Unit rate states that when rates are expressed as a quantity of 1
such as 4 feet per second or 6 miles per hour
Given: A speed skater covered 1500 meters in 106.43 seconds.
then,
In 1 seconds a speed skater covered = meters
By definition of unit rate
unit rate = ≈ 14.094 meters per second.
Therefore, the unit rate in meters per second is, 14.094
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Answer:
15.9% of babies are born with birth weight under 6.3 pounds.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 6.8 pounds
Standard Deviation, σ = 0.5
We are given that the distribution of birth weights is a bell shaped distribution that is a normal distribution.
Formula:
P(birth weight under 6.3 pounds)
P(x < 6.3)
Calculation the value from standard normal z table, we have,
15.9% of babies are born with birth weight under 6.3 pounds.