Answer:
a) 
, b) 
Step-by-step explanation:
a) The indicator is equal to the ratio of total time to travelled distance:
Alex
b) In the case of Josh, the ratio must be greater than x. Then:
Use sine, cosine or tangent of your calculator.
e.g. Q.7
Answer:
Step-by-step explanation:
This is a standard normal distribution which means it has a mean of 0 and a standard deviation of 1. To shade 1 and 2 standard deviations above the mean just color in the area under the curve between 1 and 2
The percent of data is equal to .9772-.8413= .1359= 13.59%
Answer:
20/3
Step-by-step explanation:
5/k=15/20
5/k=3/4
5 x 4/3 = k
k=20/3
Answer:
24 individuals
Step-by-step explanation:
Since we are given the actual costs as well as the final total then we can calculate the total number of people that attended the party by doing the following. We first subtract the fixed cost of $120 by the total cost of the party, and then we divide the remainder by the cost per person, which would give us the number of people who attended (x) ...
($480 - $120) / $15 = x
$360 / $15 = x
24 = x
Finally, we can see that a total number of 24 individuals attended the party
