Answer:
Step-by-step explanation:
Which properties of logarithms help you simplify log 200 + log 5 - log 100? (Select all that apply.)
a)quotient property
b)power property
c)change of base rule
d)product property
Answer:

Step-by-step explanation:
a = 3, b = 5, c = 1
plug into quadratic formula
Answer:
Willie will run 7 miles in 28 minutes.
Step-by-step explanation:
14 times 1 = 14
14 times 32 = 448
Barb exercised for 448 hours in 32 weeks.
The formula to calculate the z-score of a certain value is:
z = (x - (mean))/(standard deviation)
In this example, the x-value is 450, the S.D. is 100, and the mean is 500.
So, substitute these values into the formula.
z = (450-(500))/100
z=-50/100
z=-0.5
Therefore, the z-score is -0.5.