The answer is: cosV=39/89=0,43
Answer:
Step-by-step explanation:
Amount paid by Joanne before promotion = 74 + 59 + 69 = $ 202
a) Amount saved if she switches to "3 for 129 plan" = 202 - 129 = $ 73
Percentage of saving = 
= 36.13 = 36%
b) Amount saved after the first year = 202 - 139 = $ 63
Percentage of saving = 
= 31.18 = 31%
Answer:
About 333000 times
Step-by-step explanation:
Answer:
a. the mean differences among the levels of one factor
Step-by-step explanation:
In statistics, a two-way analysis of variance (ANOVA), a main effect is defined as the mean differences among the levels of one factor.
The aim of a two-way analysis of variance (ANOVA) is to give the relationship or identify if there is an interaction between the two independent variables on the dependent variable.
Answer:
D
Step-by-step explanation:
If we look at the options and we pay attention to D,
Lets work this out Step By Step:
Part 1:
5/4(-2) = -2.5
-2.5 - 3 = -5.5 (Correct)
Part 2:
5/4(4) = 5
5 - 3 = 2 (Correct)
Both of these rows are correct.
Hope this helps!
:)
