Answer:
x = 4
Step-by-step explanation:
Since the triangle is right, solve for x using Pythagoras' identity, that is
x² = 8² + 4² = 64 + 16 = 80
Take the square root of both sides
x = =
=
×
= 4
← exact value
Find the slope -intercept equation of the line containing (1,-4) and having slope m=3
1 answer:
You might be interested in
Answer:
The means for times for the first round of the 100 meter men’s swim is 52.64789 seconds
The satandar deviation for times for the first round of the 100 meter men’s swim is 7.60182 seconds
Step-by-step explanation:
The sample mean for a set of n data is given by:
In other words, the sample mean of the times for 71 times of the first round measured in seconds is:
seconds
The sample standard deviation for a set of n data is given by:
In other words, the sample standard deviation of the times for 71 times of the first round measured in seconds is:
seconds