It will take 0.556 seconds for an echo to reach one's ears
<h3>Calculating the time to hear an echo</h3>
From the question, we are to determine how long it would take an echo to reach one's ears
From the formula,
NOTE: To hear an echo, the sound will travel to and fro, hence, it will cover twice the distance
From the given information,
Distance = 92.0 m
NOTE: Speed of sound in air at 0 °C ≅ 331 m/s
Putting the parameters into the formula, we get
Time = 0.556 secs
Hence, it will take 0.556 seconds for an echo to reach one's ears.
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Answer: f(x) = 22x
Step-by-step explanation:
1.) Divide 132 by 6 weeks, to get the amount of time spent each week on homework.
<em>132 / 6 = 22</em>
2.) Create the equation. Because x represents the number of weeks and 22 minutes a week is spent on homework, the equation is as follows:
f(x) = 22x
A 180º rotation around the origin changes the coordinates from (x, y) to (-x, -y).
A translation 7 units up increases the y value by 7 units.
A reflection over the x-axis results in the y-values being opposites.
Answer:
Percentage rise in patients from 2004 to 2014 = 7.59%
Explanation:
The number of patients in 2004 = 39080
The number of patients in 2014 = 42045
Increase in the number of patients = (The number of patients in 2014) - (The number of patients in 2004)
Rise in the number of patients = 42045 - 39080
Rise in the number of patients = 2965
Percentage rise in patients from 2004 to 2014 = 7.59%
The equation can be:5*13=65
