A. 4 km
B. 6 km
C. 8 km
D. 16 km
Given the average speed of Serena during her trainingand the time elapsed, the total distance that she ran is 16km.
Option D) 16km is the correct answer.
Speed is simply referred to as distance traveled per unit of time.
It is expressed as;
Speed = distance ÷ time
Hence,
Distance = Speed × time; d = r × t
Given the data in the question;
From the given formula;
d = r × t
We substitute our given values into the expression above.
d = 8km/hr × 2hr
d = 16km
Given the average speed of Serena during her trainingand the time elapsed, the total distance that she ran is 16km.
Option D) 16km is the correct answer.
Learn more about average speed here: brainly.com/question/12322912
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Answer:
Period =
Step-by-step explanation:
The period of the function is the interval of x-values which represents the length of one cycle.
Another meaning The period of the function is the length between two similar points such as the length between two peaks of the function.
AS shown on the graph, the function has peak equal to 3 and repeated every (π/2)
So, the period of the function f(x) shown in the graph =
Answer:
pi/2
Step-by-step explanation:
i took the test :)
b(3x-2x+c) = 9 - 6x+15
Answer:
b=3
c=5
Step-by-step explanation:
b(3x^{2}-2x+c) = 9x^{2} - 6x+15
Distribute
3b x^2 -6x +bc = 9x^2 -6x +15
Each term must be equal
3bx^2 = 9x^2
3b = 9
Divide by 3
3b/3 = 9/3
b =3
bc = 15
3c =15
Divide by 3
3c/3 = 15/3
c =5