Answer: 0.893
Step-by-step explanation:
Given : Sample size of residential water bills: n=100
Number of residences had reduced their water consumption over that of the previous year = 80
Then sample proportion: 
Critical value for 98% confidence= 
The upper bound for confidence interval for population proportion :


Hence, the 98% upper confidence bound for the proportion of residences that reduced their water consumption.=0.893
Answer:
The answer is 7
Step-by-step explanation:
We know than Tan45=1
Tanx=opp/adj
tan45=y/(7
)/2
Thus y=7
/2
We know by pythagoras theorem that hyp^2=side^2+side^2
=(
+
=(49(2)/4)+(49(2)/4)
=(49/2)+(49/2)
=(98/2)
=49
x=7
Since BCDEF is regular, we know right away that

because the measures of all exterior angles of any regular polygon add to 360 degrees; they are all of equal measure here, so we divide 360 by 5.
For the pentagon BCIHG, the same is true, which means we have the equation

So

.
The slope is 1.3. The whole equation is y=1.3x+4.9
Answer:
No, you didn't
Step-by-step explanation:
<u>20% of $1200 is:</u>
Since you saved $200 and its less than $240 you didn't reach your goal