Answer: 14y
Step-by-step explanation:
7 times 2 = 14
7 times 5 = 35
14y + 35z - 35z
35 - 35 = 0
You are left with 14y
Answer:
Step-by-step explanation:
the rate of change = difference in y / difference in x
for points (4, 2) and (6, 8)
the rate of change =( 2-8) /(4-6) = -4 / -2 = 2
Answer:
- 23 are on plan B
- 13 on plan B text
- 13/23 is the probability a customer on plan B will text
Step-by-step explanation:
Assuming the categorization is mutually exclusive (customers either text or internet, but not both), the total number of Plan B customers in the sample is the sum of those in each category:
.... 13 + 10 = 23 . . . . plan B customers
The problem statement tells you
... 23 plan B customers text
Since 13 out of 23 customers surveyed use the phone for text, the empirical probability that a plan B customer will use the phone for texting is ...
... 13/23 . . . . probability that text is used most
has degree 3, so it takes the general form
It has a root 
of multiplicity 2, which means 
divides exactly, and it has a root of 
of multiplicity 1 so that 
also is a factor. So
Expanding this gives
The 
-intercept occurs for 
, for which we have
Then
So we have
