Why did both of their names have to start with the same letter
x=jay hours
y=jamie huours
x=10+3y
x=43
so
43=10+3y
minus 10
33=3y
divide 3
11=y
jamies spent 11 hours
(-12)1 because of how you break it down
The standard deviation for the number of times an odd number is rolled is 15.8
<h3>How to determine the standard deviation?</h3>
The given parameters are:
Die = regular six-sided die
n = 1000
The probability of rolling an odd number is:
p = 1/2 = 0.5
The standard deviation is then calculated as;

This gives

Evaluate the products

Evaluate the root

Hence, the standard deviation is 15.8
Read more about standard deviation at:
brainly.com/question/16555520
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We want to simplify √(-48).
Note that
i² = -1 by definition.
Therefore

Answer: c.